| 1 | /* |
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| 2 | * (C) 2001 Clemson University and The University of Chicago |
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| 3 | * |
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| 4 | * See COPYING in top-level directory. |
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| 5 | */ |
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| 6 | |
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| 7 | /* |
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| 8 | * PVFS2 server state machine for driving read/write I/O operations. |
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| 9 | */ |
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| 10 | #define _ISOC99_SOURCE /* log2() */ |
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| 11 | |
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| 12 | #include <string.h> |
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| 13 | #include <assert.h> |
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| 14 | #include <stdlib.h> |
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| 15 | #include <math.h> /* log2() */ |
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| 16 | |
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| 17 | #include "server-config.h" |
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| 18 | #include "pvfs2-server.h" |
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| 19 | #include "pvfs2-attr.h" |
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| 20 | #include "pvfs2-request.h" |
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| 21 | #include "pint-distribution.h" |
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| 22 | #include "pvfs2-dist-simple-stripe.h" |
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| 23 | #include "pint-request.h" |
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| 24 | #include "pvfs2-internal.h" |
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| 25 | #include "trove.h" |
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| 26 | #include "pint-util.h" |
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| 27 | #include "pint-cached-config.h" |
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| 28 | |
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| 29 | #define LOOP 101 |
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| 30 | #define UNALIGNED 102 |
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| 31 | #define DO_COMP 103 |
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| 32 | #define DO_ALLREDUCE 104 |
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| 33 | #define DO_KMEANS 105 |
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| 34 | |
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| 35 | static int s2s_comp_fn( |
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| 36 | void *v_p, struct PVFS_server_resp *resp_p, int index); |
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| 37 | |
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| 38 | %% |
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| 39 | |
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| 40 | nested machine pvfs2_pipeline_sm |
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| 41 | { |
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| 42 | state fetch |
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| 43 | { |
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| 44 | run fetch_data; |
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| 45 | success => dispatch; |
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| 46 | } |
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| 47 | |
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| 48 | state dispatch |
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| 49 | { |
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| 50 | run dispatch_data; |
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| 51 | DO_COMP => check_align; |
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| 52 | default => check_pipeline; |
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| 53 | } |
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| 54 | |
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| 55 | state check_align |
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| 56 | { |
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| 57 | run check_align_fn; |
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| 58 | UNALIGNED => setup_s2s; |
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| 59 | success => do_comp; |
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| 60 | } |
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| 61 | |
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| 62 | state setup_s2s |
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| 63 | { |
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| 64 | run setup_s2s_msg; |
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| 65 | success => s2s_exchange; |
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| 66 | } |
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| 67 | |
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| 68 | state s2s_exchange |
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| 69 | { |
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| 70 | jump pvfs2_msgpairarray_sm; |
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| 71 | success => do_comp; |
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| 72 | } |
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| 73 | |
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| 74 | state do_comp |
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| 75 | { |
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| 76 | run do_comp_fn; |
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| 77 | DO_KMEANS => setup_kmeans; |
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| 78 | success => check_pipeline; |
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| 79 | } |
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| 80 | |
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| 81 | state setup_kmeans |
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| 82 | { |
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| 83 | run setup_kmeans_fn; |
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| 84 | success => run_kmeans; |
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| 85 | } |
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| 86 | |
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| 87 | state run_kmeans |
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| 88 | { |
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| 89 | jump pvfs2_kmeans_sm; |
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| 90 | success => cleanup_kmeans; |
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| 91 | } |
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| 92 | |
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| 93 | state cleanup_kmeans |
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| 94 | { |
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| 95 | run cleanup_kmeans_fn; |
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| 96 | success => check_pipeline; |
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| 97 | } |
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| 98 | |
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| 99 | state check_pipeline |
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| 100 | { |
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| 101 | run check_pipeline_done; |
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| 102 | LOOP => fetch; |
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| 103 | success => return; |
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| 104 | } |
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| 105 | } |
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| 106 | |
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| 107 | %% |
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| 108 | |
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| 109 | /* |
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| 110 | * fetch data from either TROVE (in case of READ) or BMI (in case of WRITE) |
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| 111 | * |
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| 112 | * PINT_segpool_take_segments() |
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| 113 | * => READ: job_trove_bstream_read_list() |
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| 114 | * => WRITE: job_bmi_recv() |
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| 115 | */ |
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| 116 | static PINT_sm_action fetch_data(struct PINT_smcb *smcb, job_status_s *js_p) |
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| 117 | { |
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| 118 | struct PINT_server_op *s_op = PINT_sm_frame(smcb, PINT_FRAME_CURRENT); |
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| 119 | PINT_segpool_handle_t seg_handle = s_op->u.pipeline.seg_handle; |
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| 120 | PINT_segpool_unit_id id = s_op->u.pipeline.id; |
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| 121 | struct server_configuration_s *user_opts = get_server_config_struct(); |
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| 122 | int count, ret, i; |
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| 123 | PVFS_offset *offsets; |
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| 124 | PVFS_size *sizes; |
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| 125 | PVFS_size bytes; |
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| 126 | job_id_t tmp_id; |
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| 127 | |
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| 128 | gossip_debug(GOSSIP_IO_DEBUG, "smcb->base_frame=%d, frame_count=%d\n", |
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| 129 | smcb->base_frame, smcb->frame_count); |
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| 130 | s_op->u.pipeline.buffer_used = 0; |
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| 131 | bytes = s_op->u.pipeline.buffer_size; |
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| 132 | |
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| 133 | PINT_segpool_take_segments(seg_handle, id, &bytes, &count, |
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| 134 | &offsets, &sizes); |
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| 135 | gossip_debug(GOSSIP_IO_DEBUG, "%s: %s: bytes=%lld, count=%d\n", |
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| 136 | __func__, |
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| 137 | (s_op->u.pipeline.io_type==PVFS_IO_READ?"READ":"WRITE"), |
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| 138 | lld(bytes), count); |
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| 139 | |
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| 140 | for(i=0; i<count; i++) { |
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| 141 | gossip_debug(GOSSIP_IO_DEBUG, "offsets[%d]=%lld, sizes[%d]=%lld\n", |
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| 142 | i, lld(offsets[i]), i, lld(sizes[i])); |
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| 143 | } |
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| 144 | |
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| 145 | if(count == 0) { |
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| 146 | js_p->error_code = 0; |
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| 147 | //gossip_debug(GOSSIP_IO_DEBUG, "%s: count==0?\n", __func__); |
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| 148 | return SM_ACTION_COMPLETE; |
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| 149 | } |
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| 150 | |
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| 151 | s_op->u.pipeline.buffer_used = bytes; |
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| 152 | s_op->u.pipeline.offsets = offsets; |
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| 153 | s_op->u.pipeline.sizes = sizes; |
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| 154 | s_op->u.pipeline.segs = count; |
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| 155 | |
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| 156 | if(s_op->u.pipeline.io_type == PVFS_IO_READ) { |
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| 157 | |
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| 158 | ret = job_trove_bstream_read_list |
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| 159 | (s_op->u.pipeline.fs_id, |
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| 160 | s_op->u.pipeline.handle, |
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| 161 | (char **)&s_op->u.pipeline.buffer, |
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| 162 | (PVFS_size *)&s_op->u.pipeline.buffer_used, |
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| 163 | 1, |
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| 164 | offsets, |
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| 165 | sizes, |
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| 166 | count, |
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| 167 | &s_op->u.pipeline.out_size, |
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| 168 | s_op->u.pipeline.trove_sync_flag, |
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| 169 | NULL, |
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| 170 | smcb, |
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| 171 | 0, |
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| 172 | js_p, |
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| 173 | &tmp_id, |
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| 174 | server_job_context, |
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| 175 | s_op->u.pipeline.hints); |
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| 176 | } |
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| 177 | else if (s_op->u.pipeline.io_type == PVFS_IO_WRITE) { |
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| 178 | ret = job_bmi_recv(s_op->u.pipeline.address, |
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| 179 | (void *)s_op->u.pipeline.buffer, |
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| 180 | s_op->u.pipeline.buffer_size, |
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| 181 | s_op->u.pipeline.tag, |
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| 182 | BMI_PRE_ALLOC, |
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| 183 | smcb, |
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| 184 | 0, /* unsigned long status_user_tag = 0 */ |
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| 185 | js_p, |
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| 186 | &tmp_id, |
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| 187 | server_job_context, |
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| 188 | user_opts->server_job_flow_timeout, |
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| 189 | (bmi_hint)s_op->u.pipeline.hints); |
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| 190 | } |
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| 191 | |
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| 192 | if(ret < 0) { |
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| 193 | gossip_err("%s: I/O error occurred\n", __func__); |
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| 194 | /* FIXME */ |
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| 195 | //handle_io_error(ret, q_item, flow_data); |
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| 196 | js_p->error_code = -PVFS_EIO; |
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| 197 | return SM_ACTION_COMPLETE; |
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| 198 | } |
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| 199 | |
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| 200 | /* immediate return */ |
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| 201 | if(ret == 1) { |
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| 202 | js_p->error_code = 1; |
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| 203 | return SM_ACTION_COMPLETE; |
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| 204 | } |
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| 205 | |
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| 206 | if(ret == 0) { |
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| 207 | js_p->error_code = 0; |
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| 208 | return SM_ACTION_DEFERRED; |
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| 209 | } |
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| 210 | |
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| 211 | return SM_ACTION_COMPLETE; |
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| 212 | } |
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| 213 | |
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| 214 | /* |
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| 215 | * Dispatch data to either BMI (in case of READ) or TROVE (in case of WRITE) |
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| 216 | * |
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| 217 | * => READ: job_bmi_send() |
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| 218 | * => WRITE: job_trove_bstream_write_list() |
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| 219 | */ |
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| 220 | static PINT_sm_action dispatch_data(struct PINT_smcb *smcb, job_status_s *js_p) |
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| 221 | { |
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| 222 | struct PINT_server_op *s_op = PINT_sm_frame(smcb, PINT_FRAME_CURRENT); |
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| 223 | int ret; |
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| 224 | job_id_t tmp_id; |
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| 225 | struct server_configuration_s *user_opts = get_server_config_struct(); |
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| 226 | |
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| 227 | if(s_op->u.pipeline.segs == 0) { |
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| 228 | js_p->error_code = 0; |
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| 229 | gossip_debug(GOSSIP_IO_DEBUG, "%s: count==0?\n", __func__); |
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| 230 | return SM_ACTION_COMPLETE; |
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| 231 | } |
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| 232 | |
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| 233 | gossip_debug(GOSSIP_IO_DEBUG, "%s: %s: buffer_used=%lld\n", __func__, |
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| 234 | (s_op->u.pipeline.io_type==PVFS_IO_READ?"READ":"WRITE"), |
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| 235 | lld(s_op->u.pipeline.buffer_used)); |
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| 236 | #if 0 |
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| 237 | gossip_debug(GOSSIP_IO_DEBUG, "%s: buffer[0]=%s\n", __func__, |
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| 238 | (char *)s_op->u.pipeline.buffer); |
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| 239 | #endif |
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| 240 | |
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| 241 | |
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| 242 | if(s_op->u.pipeline.io_type == PVFS_IO_READ) { |
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| 243 | assert(s_op->u.pipeline.buffer_used); |
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| 244 | |
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| 245 | if(s_op->u.pipeline.op != 0) { /* AS: when op is specified */ |
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| 246 | ret = DO_COMP; /* AS: skip sending if op is specified */ |
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| 247 | gossip_debug(GOSSIP_IO_DEBUG, "%s: parent->op != 0\n", __func__); |
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| 248 | js_p->error_code = ret; |
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| 249 | return SM_ACTION_COMPLETE; |
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| 250 | } |
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| 251 | else |
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| 252 | ret = job_bmi_send(s_op->u.pipeline.address, |
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| 253 | s_op->u.pipeline.buffer, |
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| 254 | js_p->actual_size, |
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| 255 | s_op->u.pipeline.tag, |
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| 256 | BMI_PRE_ALLOC, |
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| 257 | 0, /* send_unexpected */ |
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| 258 | smcb, /* user_ptr */ |
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| 259 | 0, /* status_user_tag */ |
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| 260 | js_p, |
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| 261 | &tmp_id, |
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| 262 | server_job_context, |
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| 263 | user_opts->server_job_bmi_timeout, |
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| 264 | (bmi_hint)s_op->u.pipeline.hints); |
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| 265 | |
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| 266 | } |
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| 267 | else if(s_op->u.pipeline.io_type == PVFS_IO_WRITE) { |
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| 268 | ret = job_trove_bstream_write_list |
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| 269 | (s_op->u.pipeline.fs_id, |
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| 270 | s_op->u.pipeline.handle, |
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| 271 | (char **)&s_op->u.pipeline.buffer, |
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| 272 | (TROVE_size *)&js_p->actual_size, |
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| 273 | 1, |
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| 274 | s_op->u.pipeline.offsets, |
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| 275 | s_op->u.pipeline.sizes, |
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| 276 | s_op->u.pipeline.segs, |
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| 277 | &s_op->u.pipeline.out_size, |
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| 278 | s_op->u.pipeline.trove_sync_flag, |
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| 279 | NULL, |
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| 280 | smcb, |
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| 281 | 0, |
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| 282 | js_p, |
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| 283 | &tmp_id, |
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| 284 | server_job_context, |
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| 285 | s_op->u.pipeline.hints); |
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| 286 | } |
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| 287 | |
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| 288 | if(ret < 0) { |
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| 289 | gossip_err("%s: I/O error occurred\n", __func__); |
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| 290 | /* FIXME !!!!!!! */ |
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| 291 | /* handle_io_error(ret, q_item, flow_data); */ |
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| 292 | js_p->error_code = ret; |
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| 293 | return SM_ACTION_COMPLETE; |
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| 294 | } |
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| 295 | |
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| 296 | /* immediate return */ |
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| 297 | if(ret == 1) { |
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| 298 | js_p->error_code = ret; |
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| 299 | return SM_ACTION_COMPLETE; |
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| 300 | } |
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| 301 | |
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| 302 | if(ret == 0) { |
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| 303 | js_p->error_code = ret; |
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| 304 | return SM_ACTION_DEFERRED; |
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| 305 | } |
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| 306 | |
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| 307 | return SM_ACTION_COMPLETE; |
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| 308 | } |
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| 309 | |
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| 310 | |
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| 311 | static PINT_sm_action check_align_fn(struct PINT_smcb *smcb, job_status_s *js_p) |
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| 312 | { |
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| 313 | struct PINT_server_op *s_op = PINT_sm_frame(smcb, PINT_FRAME_CURRENT); |
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| 314 | js_p->error_code = 0; |
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| 315 | PVFS_size file_req_offset = s_op->u.pipeline.file_req_offset; |
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| 316 | PINT_request_file_data fdata = s_op->u.pipeline.file_data; |
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| 317 | PVFS_simple_stripe_params *dparam = |
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| 318 | (PVFS_simple_stripe_params*)fdata.dist->params; |
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| 319 | PVFS_size count; |
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| 320 | PVFS_offset strip_boundary; |
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| 321 | |
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| 322 | PVFS_offset loff = fdata.dist->methods->physical_to_logical_offset(fdata.dist->params, &fdata, s_op->u.pipeline.offsets[0]); |
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| 323 | |
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| 324 | s_op->u.pipeline.loff = loff; |
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| 325 | gossip_debug(GOSSIP_IO_DEBUG, "loff=%lld, file_req_offset=%lld\n", lld(loff), lld(file_req_offset)); |
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| 326 | |
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| 327 | switch(s_op->u.pipeline.datatype) { |
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| 328 | case ((int)0x4c000405): /* MPI_INT */ |
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| 329 | count = (PVFS_size)(s_op->u.pipeline.buffer_used - |
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| 330 | file_req_offset)/((*PVFS_INT).ub); |
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| 331 | gossip_debug(GOSSIP_IO_DEBUG, "count=%lld\n", lld(count)); |
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| 332 | strip_boundary = ((int)(loff/(dparam->strip_size)))*(dparam->strip_size); |
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| 333 | s_op->u.pipeline.unaligned_size = loff-strip_boundary; |
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| 334 | |
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| 335 | if (loff == strip_boundary && file_req_offset != 0) { |
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| 336 | s_op->u.pipeline.unaligned_size = file_req_offset; |
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| 337 | } |
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| 338 | |
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| 339 | if (s_op->u.pipeline.unaligned_size != 0 && count != 0) { |
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| 340 | js_p->error_code = UNALIGNED; |
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| 341 | gossip_debug(GOSSIP_IO_DEBUG, "unaligned_size=%lld\n", |
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| 342 | lld(s_op->u.pipeline.unaligned_size)); |
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| 343 | } |
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| 344 | break; |
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| 345 | case ((int)0x4c00040a): /* MPI_FLOAT */ |
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| 346 | count = (PVFS_size)(s_op->u.pipeline.buffer_used)/((*PVFS_FLOAT).ub); |
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| 347 | if(s_op->u.pipeline.op == 0x5800000f) { /* KMEANS */ |
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| 348 | count = (PVFS_size)(s_op->u.pipeline.buffer_used)/((*PVFS_FLOAT).ub)/18; /* FIXME: 18 is numCoords */ |
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| 349 | s_op->u.pipeline.unaligned_size = 0; /* FIXME */ |
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| 350 | gossip_debug(GOSSIP_IO_DEBUG, "FLOAT: count=%lld\n", lld(count)); |
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| 351 | } |
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| 352 | gossip_debug(GOSSIP_IO_DEBUG, "strip_size=%ld, count=%lld\n", |
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| 353 | dparam->strip_size, lld(count)); |
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| 354 | //strip_boundary = ((int)(loff/(dparam->strip_size)))*(dparam->strip_size); |
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| 355 | //s_op->u.pipeline.unaligned_size = loff-strip_boundary; |
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| 356 | if(dparam->strip_size > (count*(*PVFS_FLOAT).ub)) { |
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| 357 | s_op->u.pipeline.unaligned_size = dparam->strip_size - |
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| 358 | (count*((*PVFS_FLOAT).ub)); |
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| 359 | if(s_op->u.pipeline.op == 0x5800000f) |
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| 360 | s_op->u.pipeline.unaligned_size = dparam->strip_size |
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| 361 | - (count*((*PVFS_FLOAT).ub)*18); |
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| 362 | } |
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| 363 | #if 0 |
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| 364 | if (loff == strip_boundary && file_req_offset != 0) { |
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| 365 | s_op->u.pipeline.unaligned_size = file_req_offset; |
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| 366 | } |
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| 367 | #endif |
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| 368 | if (s_op->u.pipeline.unaligned_size != 0 && count != 0) { |
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| 369 | js_p->error_code = UNALIGNED; |
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| 370 | gossip_debug(GOSSIP_IO_DEBUG, "unaligned_size=%lld\n", |
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| 371 | lld(s_op->u.pipeline.unaligned_size)); |
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| 372 | } |
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| 373 | break; |
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| 374 | case ((int)0x4c00080b): /* MPI_DOUBLE */ |
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| 375 | count = (PVFS_size)(s_op->u.pipeline.buffer_used - |
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| 376 | file_req_offset)/((*PVFS_DOUBLE).ub); |
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| 377 | gossip_debug(GOSSIP_IO_DEBUG, "count=%lld\n", lld(count)); |
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| 378 | strip_boundary = ((int)(loff/(dparam->strip_size)))*(dparam->strip_size); /* FIXME */ |
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| 379 | s_op->u.pipeline.unaligned_size = loff-strip_boundary; |
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| 380 | |
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| 381 | if (loff == strip_boundary && file_req_offset != 0) { |
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| 382 | s_op->u.pipeline.unaligned_size = file_req_offset; |
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| 383 | } |
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| 384 | |
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| 385 | if (s_op->u.pipeline.unaligned_size != 0 && count != 0) { |
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| 386 | js_p->error_code = UNALIGNED; |
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| 387 | gossip_debug(GOSSIP_IO_DEBUG, "unaligned_size=%lld\n", |
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| 388 | lld(s_op->u.pipeline.unaligned_size)); |
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| 389 | } |
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| 390 | break; |
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| 391 | } |
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| 392 | |
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| 393 | return SM_ACTION_COMPLETE; |
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| 394 | } |
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| 395 | |
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| 396 | |
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| 397 | static PINT_sm_action setup_s2s_msg(struct PINT_smcb *smcb, job_status_s *js_p) |
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| 398 | { |
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| 399 | struct PINT_server_op *s_op = PINT_sm_frame(smcb, PINT_FRAME_CURRENT); |
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| 400 | PINT_sm_msgpair_state *msg_p = NULL; |
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| 401 | struct server_configuration_s *user_opts = get_server_config_struct(); |
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| 402 | int regions; |
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| 403 | int ret; |
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| 404 | PVFS_credentials creds; |
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| 405 | int next_server_index; |
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| 406 | PVFS_handle next_server_handle; |
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| 407 | |
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| 408 | /* init msgpair */ |
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| 409 | PINT_msgpair_init(&s_op->msgarray_op); |
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| 410 | msg_p = &s_op->msgarray_op.msgpair; |
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| 411 | |
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| 412 | s_op->msgarray_op.params.job_timeout = user_opts->client_job_bmi_timeout; |
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| 413 | s_op->msgarray_op.params.retry_delay = user_opts->client_retry_delay_ms; |
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| 414 | s_op->msgarray_op.params.retry_limit = user_opts->client_retry_limit; |
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| 415 | s_op->msgarray_op.params.quiet_flag = 1; |
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| 416 | |
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| 417 | PINT_util_gen_credentials(&creds); |
|---|
| 418 | gossip_debug(GOSSIP_IO_DEBUG, "loff=%lld, buffer_used=%lld\n", lld(s_op->u.pipeline.loff), lld(s_op->u.pipeline.buffer_used)); |
|---|
| 419 | |
|---|
| 420 | /* determine which server we need to talk to */ |
|---|
| 421 | next_server_index = (s_op->u.pipeline.dfile_index + 1)%(s_op->u.pipeline.dfile_count); |
|---|
| 422 | next_server_handle = s_op->u.pipeline.dfile_array[next_server_index]; |
|---|
| 423 | |
|---|
| 424 | /* build a request */ |
|---|
| 425 | ret = PVFS_Request_contiguous(s_op->u.pipeline.unaligned_size, |
|---|
| 426 | PVFS_BYTE, &s_op->u.pipeline.file_req); |
|---|
| 427 | |
|---|
| 428 | s_op->u.pipeline.file_req_offset = (((int)(s_op->u.pipeline.loff/262144))+1)*262144; /* FIXME */ |
|---|
| 429 | |
|---|
| 430 | regions = 1; |
|---|
| 431 | gossip_debug(GOSSIP_IO_DEBUG, "s_op->u.pipeline.file_req_offset=%lld\n", lld(s_op->u.pipeline.file_req_offset)); |
|---|
| 432 | |
|---|
| 433 | PINT_SERVREQ_SMALL_IO_FILL(msg_p->req, |
|---|
| 434 | creds, |
|---|
| 435 | s_op->u.pipeline.fs_id, |
|---|
| 436 | next_server_handle, |
|---|
| 437 | s_op->u.pipeline.io_type, |
|---|
| 438 | next_server_index, |
|---|
| 439 | s_op->u.pipeline.dfile_count, |
|---|
| 440 | s_op->u.pipeline.dist, |
|---|
| 441 | s_op->u.pipeline.file_req, |
|---|
| 442 | s_op->u.pipeline.file_req_offset, |
|---|
| 443 | regions, |
|---|
| 444 | s_op->u.pipeline.unaligned_size, |
|---|
| 445 | NULL /* s_op->hints */); |
|---|
| 446 | |
|---|
| 447 | msg_p->fs_id = s_op->u.pipeline.fs_id; |
|---|
| 448 | msg_p->handle = next_server_handle; |
|---|
| 449 | msg_p->retry_flag = PVFS_MSGPAIR_RETRY; |
|---|
| 450 | msg_p->comp_fn = s2s_comp_fn; |
|---|
| 451 | |
|---|
| 452 | ret = PINT_cached_config_map_to_server(&msg_p->svr_addr, |
|---|
| 453 | next_server_handle, //s_op->u.pipeline.handle, |
|---|
| 454 | s_op->u.pipeline.fs_id); |
|---|
| 455 | gossip_debug(GOSSIP_IO_DEBUG, "%s: msg_p->svr_addr=%llu\n", __func__, |
|---|
| 456 | llu(msg_p->svr_addr)); |
|---|
| 457 | if(ret < 0) { |
|---|
| 458 | gossip_err("Failed to map meta server address\n"); |
|---|
| 459 | js_p->error_code = ret; |
|---|
| 460 | return SM_ACTION_COMPLETE; |
|---|
| 461 | } |
|---|
| 462 | |
|---|
| 463 | js_p->error_code = 0; |
|---|
| 464 | |
|---|
| 465 | PINT_sm_push_frame(smcb, 0, &s_op->msgarray_op); |
|---|
| 466 | return SM_ACTION_COMPLETE; |
|---|
| 467 | } |
|---|
| 468 | |
|---|
| 469 | static int s2s_comp_fn(void *v_p, struct PVFS_server_resp *resp_p, |
|---|
| 470 | int index) |
|---|
| 471 | { |
|---|
| 472 | PINT_smcb *smcb = v_p; |
|---|
| 473 | struct PINT_server_op *s_op = PINT_sm_frame(smcb, PINT_MSGPAIR_PARENT_SM); |
|---|
| 474 | |
|---|
| 475 | gossip_debug(GOSSIP_IO_DEBUG, "%s called\n", __func__); |
|---|
| 476 | gossip_debug(GOSSIP_IO_DEBUG, "resp_p->status=%d\n", resp_p->status); |
|---|
| 477 | gossip_debug(GOSSIP_IO_DEBUG, "small_io: result_size=%lld\n", |
|---|
| 478 | lld(resp_p->u.small_io.result_size)); |
|---|
| 479 | |
|---|
| 480 | assert(resp_p->op == PVFS_SERV_SMALL_IO); |
|---|
| 481 | |
|---|
| 482 | if (resp_p->status != 0) { |
|---|
| 483 | return resp_p->status; |
|---|
| 484 | } |
|---|
| 485 | |
|---|
| 486 | if(resp_p->u.small_io.result_size != 0) { |
|---|
| 487 | memcpy(s_op->u.pipeline.tmp_buf, resp_p->u.small_io.buffer, |
|---|
| 488 | resp_p->u.small_io.result_size); |
|---|
| 489 | } |
|---|
| 490 | |
|---|
| 491 | return 0; |
|---|
| 492 | } |
|---|
| 493 | |
|---|
| 494 | static PINT_sm_action do_comp_fn(struct PINT_smcb *smcb, job_status_s *js_p) |
|---|
| 495 | { |
|---|
| 496 | struct PINT_server_op *s_op = PINT_sm_frame(smcb, PINT_FRAME_CURRENT); |
|---|
| 497 | struct PINT_server_op *parent_s_op = PINT_sm_frame(smcb->parent_smcb, 0); |
|---|
| 498 | js_p->error_code = 0; |
|---|
| 499 | |
|---|
| 500 | if(s_op->u.pipeline.buffer) { |
|---|
| 501 | PVFS_size i; |
|---|
| 502 | gossip_debug(GOSSIP_FLOW_PROTO_DEBUG, |
|---|
| 503 | "%s: buffer_used=%lld, op=0x%x, datatype=0x%x, actual_size=%lld\n", |
|---|
| 504 | __func__, lld(s_op->u.pipeline.buffer_used), |
|---|
| 505 | s_op->u.pipeline.op, |
|---|
| 506 | s_op->u.pipeline.datatype, |
|---|
| 507 | lld(js_p->actual_size)); /* AS */ |
|---|
| 508 | |
|---|
| 509 | switch(s_op->u.pipeline.datatype) { |
|---|
| 510 | case ((int)0x4c000405): /* MPI_INT */ |
|---|
| 511 | { |
|---|
| 512 | int *a = (int*)s_op->u.pipeline.buffer; |
|---|
| 513 | int result; |
|---|
| 514 | PVFS_size count = (s_op->u.pipeline.buffer_used-s_op->u.pipeline.unaligned_size)/((*PVFS_INT).ub); |
|---|
| 515 | int *tmp; |
|---|
| 516 | |
|---|
| 517 | if(count == 0) |
|---|
| 518 | return SM_ACTION_COMPLETE; |
|---|
| 519 | /* data is not aligned perfectly, so adjust it */ |
|---|
| 520 | if(s_op->u.pipeline.unaligned_size != 0) { |
|---|
| 521 | memcpy(((char*)&a[count])+(((*PVFS_INT).ub)-s_op->u.pipeline.unaligned_size), s_op->u.pipeline.tmp_buf, s_op->u.pipeline.unaligned_size); |
|---|
| 522 | count++; |
|---|
| 523 | } |
|---|
| 524 | |
|---|
| 525 | if (parent_s_op->u.io.total_transferred == 0) { |
|---|
| 526 | if (parent_s_op->u.io.tmp_buffer == NULL) |
|---|
| 527 | parent_s_op->u.io.tmp_buffer = (void *)malloc(1*sizeof(int)); |
|---|
| 528 | memset(parent_s_op->u.io.tmp_buffer, 0, sizeof(int)); |
|---|
| 529 | parent_s_op->u.io.count = 0; |
|---|
| 530 | } |
|---|
| 531 | tmp = parent_s_op->u.io.tmp_buffer; |
|---|
| 532 | gossip_debug(GOSSIP_FLOW_PROTO_DEBUG, "total_transferred=%lld\n", lld(parent_s_op->u.io.total_transferred)); |
|---|
| 533 | gossip_debug(GOSSIP_FLOW_PROTO_DEBUG, "count=%lld, tmp=%d\n", lld(count), *tmp); |
|---|
| 534 | |
|---|
| 535 | switch(s_op->u.pipeline.op) { |
|---|
| 536 | case 0x58000001: /* MAX */ |
|---|
| 537 | result = *a; |
|---|
| 538 | for (i=1; i<count; i++ ) { |
|---|
| 539 | if (a[i] > result) { |
|---|
| 540 | result = a[i]; |
|---|
| 541 | } |
|---|
| 542 | } |
|---|
| 543 | a[0] = result; |
|---|
| 544 | if (parent_s_op->u.io.total_transferred == 0 || |
|---|
| 545 | result > *tmp) |
|---|
| 546 | *tmp = result; |
|---|
| 547 | break; |
|---|
| 548 | case 0x58000002: /* MIN */ |
|---|
| 549 | result = *a; |
|---|
| 550 | for (i=1; i<count; i++ ) { |
|---|
| 551 | if (a[i] < result) { |
|---|
| 552 | result = a[i]; |
|---|
| 553 | } |
|---|
| 554 | } |
|---|
| 555 | a[0] = result; |
|---|
| 556 | if (parent_s_op->u.io.total_transferred == 0 || |
|---|
| 557 | result < *tmp) |
|---|
| 558 | *tmp = result; |
|---|
| 559 | break; |
|---|
| 560 | case 0x58000003: /* SUM */ |
|---|
| 561 | result = 0; |
|---|
| 562 | for (i=0; i<count; i++ ) { |
|---|
| 563 | if (i<10) |
|---|
| 564 | gossip_debug(GOSSIP_FLOW_PROTO_DEBUG, "a[%lld]=%d\n", |
|---|
| 565 | lld(i), a[i]); |
|---|
| 566 | result += a[i]; |
|---|
| 567 | } |
|---|
| 568 | a[0] = result; |
|---|
| 569 | *tmp += result; |
|---|
| 570 | gossip_debug(GOSSIP_FLOW_PROTO_DEBUG, "sum=%d\n", |
|---|
| 571 | *tmp); |
|---|
| 572 | break; |
|---|
| 573 | case (0x5800000e): /* MEAN */ |
|---|
| 574 | result = 0; |
|---|
| 575 | for (i=0; i<count; i++) { |
|---|
| 576 | result += a[i]; |
|---|
| 577 | } |
|---|
| 578 | result = result/count; |
|---|
| 579 | a[0] = result; |
|---|
| 580 | |
|---|
| 581 | if (parent_s_op->u.io.count == 0) |
|---|
| 582 | *tmp = result; |
|---|
| 583 | else { |
|---|
| 584 | int tmp_sum = (*tmp)*(parent_s_op->u.io.count); |
|---|
| 585 | tmp_sum = tmp_sum + result*count; |
|---|
| 586 | *tmp = (tmp_sum)/(parent_s_op->u.io.count+count); |
|---|
| 587 | } |
|---|
| 588 | parent_s_op->u.io.count += count; |
|---|
| 589 | gossip_debug(GOSSIP_IO_DEBUG, "mean=%d\n", *tmp); |
|---|
| 590 | break; |
|---|
| 591 | default: |
|---|
| 592 | break; |
|---|
| 593 | } |
|---|
| 594 | s_op->u.pipeline.buffer = (void *)a; |
|---|
| 595 | parent_s_op->u.io.tmp_buffer = (void *)tmp; |
|---|
| 596 | } |
|---|
| 597 | break; |
|---|
| 598 | |
|---|
| 599 | case ((int)0x4c00040a): /* MPI_FLOAT */ |
|---|
| 600 | { |
|---|
| 601 | float *a = (float*)s_op->u.pipeline.buffer; |
|---|
| 602 | float result; |
|---|
| 603 | PVFS_size count = (s_op->u.pipeline.buffer_used - |
|---|
| 604 | s_op->u.pipeline.unaligned_size)/((*PVFS_FLOAT).ub); |
|---|
| 605 | switch(s_op->u.pipeline.op) { |
|---|
| 606 | case 0x58000001: /* MAX */ |
|---|
| 607 | break; |
|---|
| 608 | case 0x58000002: /* MIN */ |
|---|
| 609 | break; |
|---|
| 610 | case 0x58000003: /* SUM */ |
|---|
| 611 | break; |
|---|
| 612 | case (0x5800000e): /* MEAN */ |
|---|
| 613 | break; |
|---|
| 614 | case (0x5800000f): /* KMEANS */ |
|---|
| 615 | js_p->error_code = DO_KMEANS; |
|---|
| 616 | break; |
|---|
| 617 | default: |
|---|
| 618 | break; |
|---|
| 619 | } |
|---|
| 620 | } |
|---|
| 621 | break; |
|---|
| 622 | |
|---|
| 623 | case ((int)0x4c00080b): /* MPI_DOUBLE */ |
|---|
| 624 | { |
|---|
| 625 | double *a = (double*)s_op->u.pipeline.buffer; |
|---|
| 626 | double result; |
|---|
| 627 | PVFS_size count = (s_op->u.pipeline.buffer_used-s_op->u.pipeline.unaligned_size)/((*PVFS_DOUBLE).ub); |
|---|
| 628 | double *tmp; |
|---|
| 629 | PVFS_offset strip_boundary = (int)(s_op->u.pipeline.loff/262144)*262144; /* FIXME */ |
|---|
| 630 | |
|---|
| 631 | if (s_op->u.pipeline.buffer_used < 262144 && |
|---|
| 632 | s_op->u.pipeline.loff != strip_boundary) { /* FIXME */ |
|---|
| 633 | count = (s_op->u.pipeline.buffer_used)/((*PVFS_DOUBLE).ub); |
|---|
| 634 | } |
|---|
| 635 | gossip_debug(GOSSIP_IO_DEBUG, "count=%lld\n", lld(count)); |
|---|
| 636 | if(count < 1) |
|---|
| 637 | return SM_ACTION_COMPLETE; |
|---|
| 638 | |
|---|
| 639 | /* data is not aligned perfectly, so adjust it within the memory*/ |
|---|
| 640 | if(s_op->u.pipeline.unaligned_size != 0) { |
|---|
| 641 | PVFS_size adj_sz = s_op->u.pipeline.unaligned_size; |
|---|
| 642 | PVFS_size tmp_sz = ((*PVFS_DOUBLE).ub) - adj_sz; |
|---|
| 643 | |
|---|
| 644 | if(s_op->u.pipeline.loff == strip_boundary) { |
|---|
| 645 | memcpy(a, (char*)&a[0]+adj_sz, |
|---|
| 646 | s_op->u.pipeline.buffer_used-adj_sz); |
|---|
| 647 | } |
|---|
| 648 | |
|---|
| 649 | memcpy(((char*)&a[count])+tmp_sz, s_op->u.pipeline.tmp_buf, |
|---|
| 650 | s_op->u.pipeline.unaligned_size); |
|---|
| 651 | |
|---|
| 652 | |
|---|
| 653 | count++; |
|---|
| 654 | |
|---|
| 655 | if(s_op->u.pipeline.buffer_used < (262144-((*PVFS_DOUBLE).ub))) |
|---|
| 656 | count--; |
|---|
| 657 | } |
|---|
| 658 | |
|---|
| 659 | if (parent_s_op->u.io.total_transferred == 0) { |
|---|
| 660 | if (parent_s_op->u.io.tmp_buffer == NULL) |
|---|
| 661 | parent_s_op->u.io.tmp_buffer = (void *)malloc(1*sizeof(double)); |
|---|
| 662 | memset( parent_s_op->u.io.tmp_buffer, 0, sizeof(double)); |
|---|
| 663 | parent_s_op->u.io.count = 0; |
|---|
| 664 | } |
|---|
| 665 | tmp = parent_s_op->u.io.tmp_buffer; |
|---|
| 666 | gossip_debug(GOSSIP_FLOW_PROTO_DEBUG, |
|---|
| 667 | "total_transferred=%lld\n", |
|---|
| 668 | lld(parent_s_op->u.io.total_transferred)); |
|---|
| 669 | gossip_debug(GOSSIP_FLOW_PROTO_DEBUG, "count=%lld, tmp=%lf\n", |
|---|
| 670 | lld(count), *tmp); |
|---|
| 671 | switch(s_op->u.pipeline.op) { |
|---|
| 672 | case 0x58000001: /* MAX */ |
|---|
| 673 | result = *a; |
|---|
| 674 | for (i=1; i<count; i++ ) { |
|---|
| 675 | if (a[i] > result) { |
|---|
| 676 | result = a[i]; |
|---|
| 677 | } |
|---|
| 678 | } |
|---|
| 679 | a[0] = result; |
|---|
| 680 | if (parent_s_op->u.io.total_transferred == 0 || |
|---|
| 681 | result > *tmp) |
|---|
| 682 | *tmp = result; |
|---|
| 683 | gossip_debug(GOSSIP_FLOW_PROTO_DEBUG, "max=%lf\n", *tmp); |
|---|
| 684 | break; |
|---|
| 685 | case 0x58000002: /* MIN */ |
|---|
| 686 | result = *a; |
|---|
| 687 | for (i=1; i<count; i++ ) { |
|---|
| 688 | if (a[i] < result) { |
|---|
| 689 | result = a[i]; |
|---|
| 690 | } |
|---|
| 691 | } |
|---|
| 692 | |
|---|
| 693 | a[0] = result; |
|---|
| 694 | if (parent_s_op->u.io.total_transferred == 0 || |
|---|
| 695 | result < *tmp) |
|---|
| 696 | *tmp = result; |
|---|
| 697 | gossip_debug(GOSSIP_FLOW_PROTO_DEBUG, "min=%lf\n", |
|---|
| 698 | *tmp); |
|---|
| 699 | break; |
|---|
| 700 | case 0x58000003: /* SUM */ |
|---|
| 701 | result = 0; |
|---|
| 702 | for (i=0; i<count; i++ ) { |
|---|
| 703 | if (i<10 || i== (count-1) || i == count) gossip_debug(GOSSIP_FLOW_PROTO_DEBUG, "a[%lld]=%lf\n", lld(i), a[i]); |
|---|
| 704 | result += a[i]; |
|---|
| 705 | } |
|---|
| 706 | |
|---|
| 707 | a[0] = result; |
|---|
| 708 | *tmp += result; |
|---|
| 709 | gossip_debug(GOSSIP_FLOW_PROTO_DEBUG, "sum=%lf\n", |
|---|
| 710 | *tmp); |
|---|
| 711 | break; |
|---|
| 712 | case (0x5800000e): /* MEAN */ |
|---|
| 713 | result = 0; |
|---|
| 714 | for (i=0; i<count; i++) { |
|---|
| 715 | result += a[i]; |
|---|
| 716 | } |
|---|
| 717 | result = result/count; |
|---|
| 718 | a[0] = result; |
|---|
| 719 | |
|---|
| 720 | gossip_debug(GOSSIP_IO_DEBUG, "count=%lld\n", lld(parent_s_op->u.io.count)); |
|---|
| 721 | |
|---|
| 722 | if (parent_s_op->u.io.count == 0) |
|---|
| 723 | *tmp = result; |
|---|
| 724 | else { |
|---|
| 725 | double tmp_sum = (*tmp)*(parent_s_op->u.io.count); |
|---|
| 726 | tmp_sum = tmp_sum + result*count; |
|---|
| 727 | *tmp = (tmp_sum)/(parent_s_op->u.io.count+count); |
|---|
| 728 | } |
|---|
| 729 | parent_s_op->u.io.count += count; |
|---|
| 730 | gossip_debug(GOSSIP_IO_DEBUG, "mean=%lf\n", result); |
|---|
| 731 | break; |
|---|
| 732 | case (0x5800000f): /* KMEANS */ { |
|---|
| 733 | #if 0 |
|---|
| 734 | int index, numObjs, j; |
|---|
| 735 | int numClusters=2, numCoords=4; |
|---|
| 736 | double delta; |
|---|
| 737 | |
|---|
| 738 | for(i=0; i<numObjs; i++) { |
|---|
| 739 | //result = a[i]; |
|---|
| 740 | index = find_nearest_cluster(numClusters, numCoords, a[i], clusters); |
|---|
| 741 | if(membership[i] != index) delta += 1.0; |
|---|
| 742 | membership[i] = index; |
|---|
| 743 | |
|---|
| 744 | newClusterSize[index]++; |
|---|
| 745 | for(j=0; j<numCoords; j++) |
|---|
| 746 | newClusters[index][j] += objects[i][j]; |
|---|
| 747 | } |
|---|
| 748 | #endif |
|---|
| 749 | js_p->error_code = DO_ALLREDUCE; |
|---|
| 750 | break; |
|---|
| 751 | } |
|---|
| 752 | default: |
|---|
| 753 | break; |
|---|
| 754 | } /* end inner switch */ |
|---|
| 755 | s_op->u.pipeline.buffer = (void *)a; |
|---|
| 756 | parent_s_op->u.io.tmp_buffer = (void *)tmp; |
|---|
| 757 | } |
|---|
| 758 | |
|---|
| 759 | break; |
|---|
| 760 | default: |
|---|
| 761 | break; |
|---|
| 762 | } /* end switch() */ |
|---|
| 763 | } /* end if() */ |
|---|
| 764 | |
|---|
| 765 | return SM_ACTION_COMPLETE; |
|---|
| 766 | } |
|---|
| 767 | |
|---|
| 768 | static PINT_sm_action setup_kmeans_fn(struct PINT_smcb *smcb, job_status_s *js_p) |
|---|
| 769 | { |
|---|
| 770 | struct PINT_server_op *s_op = PINT_sm_frame(smcb, PINT_FRAME_CURRENT); |
|---|
| 771 | int ret, i, j; |
|---|
| 772 | struct PINT_server_op *kmeans_op; |
|---|
| 773 | int numClusters = 20; /* FIXME: should come from client? */ |
|---|
| 774 | int numCoords = 18; /* FIXME: should come from client? */ |
|---|
| 775 | |
|---|
| 776 | kmeans_op = malloc(sizeof(*kmeans_op)); |
|---|
| 777 | memset(kmeans_op, 0, sizeof(*kmeans_op)); |
|---|
| 778 | |
|---|
| 779 | kmeans_op->u.kmeans.myRank = s_op->u.pipeline.dfile_index; |
|---|
| 780 | kmeans_op->u.kmeans.dfile_array = s_op->u.pipeline.dfile_array; |
|---|
| 781 | kmeans_op->u.kmeans.dfile_count = s_op->u.pipeline.dfile_count; |
|---|
| 782 | kmeans_op->u.kmeans.fs_id = s_op->u.pipeline.fs_id; |
|---|
| 783 | kmeans_op->u.kmeans.allreduce_step = 0; |
|---|
| 784 | |
|---|
| 785 | kmeans_op->u.kmeans.numClusters = numClusters; |
|---|
| 786 | kmeans_op->u.kmeans.numCoords = numCoords; |
|---|
| 787 | |
|---|
| 788 | kmeans_op->u.kmeans.threshold = 0.001; /* FIXME */ |
|---|
| 789 | kmeans_op->u.kmeans.totalNumObjs = 17695; /* FIXME: should be obtained from allreduce(numObjs, SUM) */ |
|---|
| 790 | kmeans_op->u.kmeans.numObjs = s_op->u.pipeline.buffer_used/sizeof(float)/numCoords; |
|---|
| 791 | gossip_debug(GOSSIP_IO_DEBUG, "numObjs=%d\n", kmeans_op->u.kmeans.numObjs); |
|---|
| 792 | |
|---|
| 793 | /* allocate space for data points */ |
|---|
| 794 | kmeans_op->u.kmeans.objects = (float**)malloc((kmeans_op->u.kmeans.numObjs) * sizeof(float*)); |
|---|
| 795 | assert(kmeans_op->u.kmeans.objects != NULL); |
|---|
| 796 | kmeans_op->u.kmeans.objects[0] = (float*) malloc((kmeans_op->u.kmeans.numObjs)*(numCoords) * sizeof(float)); |
|---|
| 797 | assert(kmeans_op->u.kmeans.objects[0] != NULL); |
|---|
| 798 | for (i=1; i<kmeans_op->u.kmeans.numObjs; i++) |
|---|
| 799 | kmeans_op->u.kmeans.objects[i] = kmeans_op->u.kmeans.objects[i-1] + (numCoords); |
|---|
| 800 | |
|---|
| 801 | /* allocate a 2D space for clusters[] (coordinates of cluster centers) |
|---|
| 802 | this array should be the same across all processes */ |
|---|
| 803 | kmeans_op->u.kmeans.clusters = (float **)malloc(numClusters*sizeof(float*)); |
|---|
| 804 | assert(kmeans_op->u.kmeans.clusters != NULL); |
|---|
| 805 | kmeans_op->u.kmeans.clusters[0] = (float *)malloc(numClusters*numCoords*sizeof(float)); |
|---|
| 806 | assert(kmeans_op->u.kmeans.clusters[0] != NULL); |
|---|
| 807 | |
|---|
| 808 | for(i=1; i<numClusters; i++) |
|---|
| 809 | kmeans_op->u.kmeans.clusters[i] = kmeans_op->u.kmeans.clusters[i-1] + numCoords; |
|---|
| 810 | |
|---|
| 811 | /* FIXME: better way to copy the read data to objects[][]?? */ |
|---|
| 812 | for(i=0; i<kmeans_op->u.kmeans.numObjs; i++) |
|---|
| 813 | memcpy(kmeans_op->u.kmeans.objects[i], |
|---|
| 814 | s_op->u.pipeline.buffer+(i*kmeans_op->u.kmeans.numCoords*sizeof(float)), |
|---|
| 815 | kmeans_op->u.kmeans.numCoords*sizeof(float)); |
|---|
| 816 | |
|---|
| 817 | /* pick first numClusters elements in feature[] as initial cluster centers*/ |
|---|
| 818 | if(s_op->u.pipeline.dfile_index == 0) { |
|---|
| 819 | for (i=0; i<numClusters; i++) |
|---|
| 820 | for (j=0; j<numCoords; j++) { |
|---|
| 821 | kmeans_op->u.kmeans.clusters[i][j] = kmeans_op->u.kmeans.objects[i][j]; |
|---|
| 822 | gossip_debug(GOSSIP_IO_DEBUG, "clusters[%d][%d]=%lf\n", i, j, kmeans_op->u.kmeans.clusters[i][j]); |
|---|
| 823 | } |
|---|
| 824 | } |
|---|
| 825 | |
|---|
| 826 | kmeans_op->u.kmeans.allreduce_step = 0; |
|---|
| 827 | |
|---|
| 828 | ret = PINT_sm_push_frame(smcb, 0, kmeans_op); |
|---|
| 829 | |
|---|
| 830 | js_p->error_code = 0; |
|---|
| 831 | return SM_ACTION_COMPLETE; |
|---|
| 832 | } |
|---|
| 833 | |
|---|
| 834 | static PINT_sm_action cleanup_kmeans_fn(struct PINT_smcb *smcb, job_status_s *js_p) |
|---|
| 835 | { |
|---|
| 836 | struct PINT_server_op *s_op = PINT_sm_frame(smcb, PINT_FRAME_CURRENT); |
|---|
| 837 | int task_id; |
|---|
| 838 | int remaining; |
|---|
| 839 | PVFS_error tmp_err; |
|---|
| 840 | struct PINT_server_op *kmeans_op; |
|---|
| 841 | |
|---|
| 842 | kmeans_op = PINT_sm_pop_frame(smcb, &task_id, &tmp_err, |
|---|
| 843 | &remaining); |
|---|
| 844 | gossip_debug(GOSSIP_SERVER_DEBUG, |
|---|
| 845 | "pipeline: nested sm (kmeans) returned error code: %d\n", tmp_err); |
|---|
| 846 | //memcpy(s_op->u.pipeline.buffer, kmeans_op->u.kmeans.send_buf, FIXME); |
|---|
| 847 | //free(kmeans_op->u.kmeans.clusters[0]); |
|---|
| 848 | free(kmeans_op->u.kmeans.clusters); |
|---|
| 849 | free(kmeans_op); |
|---|
| 850 | |
|---|
| 851 | js_p->error_code = 0; |
|---|
| 852 | return SM_ACTION_COMPLETE; |
|---|
| 853 | } |
|---|
| 854 | |
|---|
| 855 | static PINT_sm_action check_pipeline_done(struct PINT_smcb *smcb, job_status_s *js_p) |
|---|
| 856 | { |
|---|
| 857 | struct PINT_server_op *s_op = PINT_sm_frame(smcb, PINT_FRAME_CURRENT); |
|---|
| 858 | struct PINT_server_op *parent_s_op = PINT_sm_frame(smcb->parent_smcb, 0); |
|---|
| 859 | PINT_segpool_handle_t h = s_op->u.pipeline.seg_handle; |
|---|
| 860 | js_p->error_code = 0; |
|---|
| 861 | |
|---|
| 862 | /* FIMXE: do we really need this lock? */ |
|---|
| 863 | gen_mutex_lock(&parent_s_op->u.io.mutex); |
|---|
| 864 | //parent_s_op->u.io.total_transferred += js_p->actual_size; |
|---|
| 865 | parent_s_op->u.io.total_transferred += s_op->u.pipeline.buffer_used; |
|---|
| 866 | gen_mutex_unlock(&parent_s_op->u.io.mutex); |
|---|
| 867 | |
|---|
| 868 | gossip_debug(GOSSIP_IO_DEBUG, "%s: total_transferred=%lld\n", __func__, |
|---|
| 869 | lld(parent_s_op->u.io.total_transferred)); |
|---|
| 870 | gossip_debug(GOSSIP_IO_DEBUG, "%s: actual_size=%lld\n", __func__, |
|---|
| 871 | lld(js_p->actual_size)); |
|---|
| 872 | |
|---|
| 873 | /* FIXME: */ |
|---|
| 874 | /* unless the second condition is set, the server starts |
|---|
| 875 | a new read request that is already done, and falls into |
|---|
| 876 | infinite trove_read->bmi_send->check_done loop */ |
|---|
| 877 | if(!segpool_done(h) && s_op->u.pipeline.segs != 0) { |
|---|
| 878 | gossip_debug(GOSSIP_IO_DEBUG, "%s: LOOP\n", __func__); |
|---|
| 879 | js_p->error_code = LOOP; |
|---|
| 880 | } |
|---|
| 881 | else { |
|---|
| 882 | #if 0 |
|---|
| 883 | if(s_op->u.pipeline.op == (0x5800000f)) { /* KMEANS */ |
|---|
| 884 | memcpy(parent_s_op->u.io.tmp_buffer, |
|---|
| 885 | s_op->u.pipeline.buffer, sizeof(double)); |
|---|
| 886 | } |
|---|
| 887 | #endif |
|---|
| 888 | gossip_debug(GOSSIP_IO_DEBUG, "%s: DONE\n", __func__); |
|---|
| 889 | } |
|---|
| 890 | |
|---|
| 891 | return SM_ACTION_COMPLETE; |
|---|
| 892 | } |
|---|
| 893 | |
|---|
| 894 | /* |
|---|
| 895 | * Local variables: |
|---|
| 896 | * mode: c |
|---|
| 897 | * c-indent-level: 4 |
|---|
| 898 | * c-basic-offset: 4 |
|---|
| 899 | * End: |
|---|
| 900 | * |
|---|
| 901 | * vim: ft=c ts=8 sts=4 sw=4 expandtab |
|---|
| 902 | */ |
|---|