+/* Copyright (c) 2007, 2008, 2009, 2010. The SimGrid Team.
+ * All rights reserved. */
+
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the license (GNU LGPL) which comes with this package. */
+
#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
#include "private.h"
#include "smpi_mpi_dt_private.h"
+#include "mc/mc.h"
+#include "surf/surf.h"
XBT_LOG_NEW_CATEGORY(smpi, "All SMPI categories");
typedef struct s_smpi_process_data {
int index;
- xbt_fifo_t pending_sent;
- xbt_fifo_t pending_recv;
+ int* argc;
+ char*** argv;
+ smx_rdv_t mailbox;
xbt_os_timer_t timer;
+ double simulated;
+ MPI_Comm comm_self;
} s_smpi_process_data_t;
-static smpi_process_data_t* process_data = NULL;
+static smpi_process_data_t *process_data = NULL;
static int process_count = 0;
MPI_Comm MPI_COMM_WORLD = MPI_COMM_NULL;
-smpi_process_data_t smpi_process_data(void) {
- return SIMIX_process_get_data(SIMIX_process_self());
+#define MAILBOX_NAME_MAXLEN (5 + sizeof(int) * 2 + 1)
+
+static char* get_mailbox_name(char* str, int index) {
+ snprintf(str, MAILBOX_NAME_MAXLEN, "SMPI-%0*x", (int)(sizeof(int) * 2), index);
+ return str;
+}
+
+void smpi_process_init(int *argc, char ***argv)
+{
+ int index;
+ smpi_process_data_t data;
+ smx_process_t proc;
+
+ if(argc && argv) {
+ proc = SIMIX_process_self();
+ index = atoi((*argv)[1]);
+ data = smpi_process_remote_data(index);
+ SIMIX_req_process_set_data(proc, data);
+ if (*argc > 2) {
+ free((*argv)[1]);
+ memmove(&(*argv)[1], &(*argv)[2], sizeof(char *) * (*argc - 2));
+ (*argv)[(*argc) - 1] = NULL;
+ }
+ (*argc)--;
+ data->argc = argc;
+ data->argv = argv;
+ XBT_DEBUG("<%d> New process in the game: %p", index, proc);
+ }
+}
+
+void smpi_process_destroy(void)
+{
+ int index = smpi_process_index();
+
+ XBT_DEBUG("<%d> Process left the game", index);
+}
+
+int smpi_process_argc(void) {
+ smpi_process_data_t data = smpi_process_data();
+
+ return data->argc ? *(data->argc) - 1 : 0;
+}
+
+int smpi_process_getarg(integer* index, char* dst, ftnlen len) {
+ smpi_process_data_t data = smpi_process_data();
+ char* arg;
+ ftnlen i;
+
+ if(!data->argc || !data->argv
+ || *index < 1 || *index >= *(data->argc)) {
+ return -1;
+ }
+ arg = (*data->argv)[*index];
+ for(i = 0; i < len && arg[i] != '\0'; i++) {
+ dst[i] = arg[i];
+ }
+ for(; i < len; i++) {
+ dst[i] = ' ';
+ }
+ return 0;
+}
+
+int smpi_global_size(void) {
+ char* value = getenv("SMPI_GLOBAL_SIZE");
+
+ if(!value) {
+ fprintf(stderr, "Please set env var SMPI_GLOBAL_SIZE to expected number of processes.\n");
+ abort();
+ }
+ return atoi(value);
}
-smpi_process_data_t smpi_process_remote_data(int index) {
+smpi_process_data_t smpi_process_data(void)
+{
+ return SIMIX_process_self_get_data(SIMIX_process_self());
+}
+
+smpi_process_data_t smpi_process_remote_data(int index)
+{
return process_data[index];
}
-int smpi_process_count(void) {
+int smpi_process_count(void)
+{
return process_count;
}
-int smpi_process_index(void) {
+int smpi_process_index(void)
+{
smpi_process_data_t data = smpi_process_data();
return data->index;
}
-xbt_os_timer_t smpi_process_timer(void) {
+smx_rdv_t smpi_process_mailbox(void) {
smpi_process_data_t data = smpi_process_data();
- return data->timer;
+ return data->mailbox;
}
-void smpi_process_post_send(MPI_Comm comm, MPI_Request request) {
- int index = smpi_group_index(smpi_comm_group(comm), request->dst);
+smx_rdv_t smpi_process_remote_mailbox(int index) {
smpi_process_data_t data = smpi_process_remote_data(index);
- xbt_fifo_item_t item;
- MPI_Request req;
-
- DEBUG4("isend for request %p [src = %d, dst = %d, tag = %d]",
- request, request->src, request->dst, request->tag);
- xbt_fifo_foreach(data->pending_recv, item, req, MPI_Request) {
- if(req->comm == request->comm
- && (req->src == MPI_ANY_SOURCE || req->src == request->src)
- && (req->tag == MPI_ANY_TAG || req->tag == request->tag)){
- DEBUG4("find matching request %p [src = %d, dst = %d, tag = %d]",
- req, req->src, req->dst, req->tag);
- xbt_fifo_remove_item(data->pending_recv, item);
- /* Materialize the *_ANY_* fields from corresponding irecv request */
- req->src = request->src;
- req->tag = request->tag;
- request->rdv = req->rdv;
- return;
- } else {
- DEBUG4("not matching request %p [src = %d, dst = %d, tag = %d]",
- req, req->src, req->dst, req->tag);
- }
- }
- request->rdv = SIMIX_rdv_create(NULL);
- xbt_fifo_push(data->pending_sent, request);
+
+ return data->mailbox;
}
-void smpi_process_post_recv(MPI_Request request) {
+xbt_os_timer_t smpi_process_timer(void)
+{
smpi_process_data_t data = smpi_process_data();
- xbt_fifo_item_t item;
- MPI_Request req;
-
- DEBUG4("irecv for request %p [src = %d, dst = %d, tag = %d]",
- request, request->src, request->dst, request->tag);
- xbt_fifo_foreach(data->pending_sent, item, req, MPI_Request) {
- if(req->comm == request->comm
- && (request->src == MPI_ANY_SOURCE || req->src == request->src)
- && (request->tag == MPI_ANY_TAG || req->tag == request->tag)){
- DEBUG4("find matching request %p [src = %d, dst = %d, tag = %d]",
- req, req->src, req->dst, req->tag);
- xbt_fifo_remove_item(data->pending_sent, item);
- /* Materialize the *_ANY_* fields from the irecv request */
- request->src = req->src;
- request->tag = req->tag;
- request->rdv = req->rdv;
- return;
- } else {
- DEBUG4("not matching request %p [src = %d, dst = %d, tag = %d]",
- req, req->src, req->dst, req->tag);
- }
- }
- request->rdv = SIMIX_rdv_create(NULL);
- xbt_fifo_push(data->pending_recv, request);
+
+ return data->timer;
+}
+
+void smpi_process_simulated_start(void)
+{
+ smpi_process_data_t data = smpi_process_data();
+
+ data->simulated = SIMIX_get_clock();
}
-void smpi_global_init(void) {
+double smpi_process_simulated_elapsed(void)
+{
+ smpi_process_data_t data = smpi_process_data();
+
+ return SIMIX_get_clock() - data->simulated;
+}
+
+MPI_Comm smpi_process_comm_self(void)
+{
+ smpi_process_data_t data = smpi_process_data();
+
+ return data->comm_self;
+}
+
+void print_request(const char *message, MPI_Request request)
+{
+ XBT_DEBUG("%s request %p [buf = %p, size = %zu, src = %d, dst = %d, tag = %d, flags = %x]",
+ message, request, request->buf, request->size,
+ request->src, request->dst, request->tag, request->flags);
+}
+
+void smpi_global_init(void)
+{
int i;
MPI_Group group;
+ char name[MAILBOX_NAME_MAXLEN];
+ SIMIX_comm_set_copy_data_callback(&smpi_comm_copy_data_callback);
process_count = SIMIX_process_count();
process_data = xbt_new(smpi_process_data_t, process_count);
- for(i = 0; i < process_count; i++) {
+ for (i = 0; i < process_count; i++) {
process_data[i] = xbt_new(s_smpi_process_data_t, 1);
process_data[i]->index = i;
- process_data[i]->pending_sent = xbt_fifo_new();
- process_data[i]->pending_recv = xbt_fifo_new();
+ process_data[i]->argc = NULL;
+ process_data[i]->argv = NULL;
+ process_data[i]->mailbox = SIMIX_req_rdv_create(get_mailbox_name(name, i));
process_data[i]->timer = xbt_os_timer_new();
+ group = smpi_group_new(1);
+ process_data[i]->comm_self = smpi_comm_new(group);
+ smpi_group_set_mapping(group, i, 0);
}
group = smpi_group_new(process_count);
MPI_COMM_WORLD = smpi_comm_new(group);
- for(i = 0; i < process_count; i++) {
+ for (i = 0; i < process_count; i++) {
smpi_group_set_mapping(group, i, i);
}
}
-void smpi_global_destroy(void) {
+void smpi_global_destroy(void)
+{
int count = smpi_process_count();
int i;
+ smpi_bench_destroy();
smpi_comm_destroy(MPI_COMM_WORLD);
MPI_COMM_WORLD = MPI_COMM_NULL;
- for(i = 0; i < count; i++) {
+ for (i = 0; i < count; i++) {
+ smpi_comm_destroy(process_data[i]->comm_self);
xbt_os_timer_free(process_data[i]->timer);
- xbt_fifo_free(process_data[i]->pending_recv);
- xbt_fifo_free(process_data[i]->pending_sent);
+ SIMIX_req_rdv_destroy(process_data[i]->mailbox);
xbt_free(process_data[i]);
}
xbt_free(process_data);
process_data = NULL;
}
-int main(int argc, char **argv)
+/* Fortran specific stuff */
+/* With smpicc, the following weak symbols are used */
+/* With smpiff, the following weak symbols are replaced by those in libf2c */
+int __attribute__((weak)) xargc;
+char** __attribute__((weak)) xargv;
+
+int __attribute__((weak)) main(int argc, char** argv) {
+ xargc = argc;
+ xargv = argv;
+ return MAIN__();
+}
+
+int MAIN__(void)
{
srand(SMPI_RAND_SEED);
double default_reference_speed = 20000.0;
- xbt_cfg_register(&_surf_cfg_set, "reference_speed",
+ xbt_cfg_register(&_surf_cfg_set, "smpi/running_power",
"Power of the host running the simulation (in flop/s). Used to bench the operations.",
- xbt_cfgelm_double, &default_reference_speed, 1, 1, NULL, NULL);
+ xbt_cfgelm_double, &default_reference_speed, 1, 1, NULL,
+ NULL);
int default_display_timing = 0;
- xbt_cfg_register(&_surf_cfg_set, "display_timing",
+ xbt_cfg_register(&_surf_cfg_set, "smpi/display_timing",
"Boolean indicating whether we should display the timing after simulation.",
- xbt_cfgelm_int, &default_display_timing, 1, 1, NULL, NULL);
+ xbt_cfgelm_int, &default_display_timing, 1, 1, NULL,
+ NULL);
+
+ double default_threshold = 1e-6;
+ xbt_cfg_register(&_surf_cfg_set, "smpi/cpu_threshold",
+ "Minimal computation time (in seconds) not discarded.",
+ xbt_cfgelm_double, &default_threshold, 1, 1, NULL,
+ NULL);
+
+ if(getenv("SMPI_PRETEND_CC") != NULL) {
+ /* Hack to ensure that smpicc can pretend to be a simple compiler. Particularly handy to pass it to the configuration tools */
+ return 0;
+ }
- SIMIX_global_init(&argc, argv);
+#ifdef HAVE_TRACING
+ TRACE_global_init(&xargc, xargv);
+#endif
+
+ SIMIX_global_init(&xargc, xargv);
+
+#ifdef HAVE_TRACING
+ TRACE_smpi_start();
+#endif
// parse the platform file: get the host list
- SIMIX_create_environment(argv[1]);
+ SIMIX_create_environment(xargv[1]);
- SIMIX_function_register("smpi_simulated_main", smpi_simulated_main);
- SIMIX_launch_application(argv[2]);
+ SIMIX_function_register_default(smpi_simulated_main);
+ SIMIX_launch_application(xargv[2]);
smpi_global_init();
/* Clean IO before the run */
fflush(stdout);
fflush(stderr);
- SIMIX_init();
- while (SIMIX_solve(NULL, NULL) != -1.0);
-
- if (xbt_cfg_get_int(_surf_cfg_set, "display_timing"))
- INFO1("simulation time %g", SIMIX_get_clock());
+ if (MC_IS_ENABLED)
+ MC_modelcheck();
+ else
+ SIMIX_run();
+
+ if (xbt_cfg_get_int(_surf_cfg_set, "smpi/display_timing"))
+ XBT_INFO("Simulation time: %g seconds.", SIMIX_get_clock());
smpi_global_destroy();
+#ifdef HAVE_TRACING
+ TRACE_smpi_release();
+#endif
+
SIMIX_clean();
return 0;
}
