X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/3c1eda61bc5b0d9c846abd9bb53b0bef26cb2880..6d4434a0ebdb34758d95faec8b47088a3f760df2:/src/smpi/smpi_global.c

diff --git a/src/smpi/smpi_global.c b/src/smpi/smpi_global.c
index 9a277df819..24e869c468 100644
--- a/src/smpi/smpi_global.c
+++ b/src/smpi/smpi_global.c
@@ -1,128 +1,254 @@
+/* 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"
+#include "simix/smx_private.h"
 
-XBT_LOG_NEW_CATEGORY(smpi, "All SMPI categories");
 
 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_kernel, smpi,
                                 "Logging specific to SMPI (kernel)");
 
 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;
+  smx_rdv_t mailbox_small;
   xbt_os_timer_t timer;
+  double simulated;
   MPI_Comm comm_self;
+  void *data; /* user data */
 } 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());
+MPI_Errhandler* MPI_ERRORS_RETURN = NULL;
+MPI_Errhandler* MPI_ERRORS_ARE_FATAL = NULL;
+MPI_Errhandler* MPI_ERRHANDLER_NULL = NULL;
+
+#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;
+}
+
+static char* get_mailbox_name_small(char* str, int index) {
+  snprintf(str, MAILBOX_NAME_MAXLEN, "small%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);
+    simcall_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;
+    simcall_rdv_set_receiver(data->mailbox_small, proc);// set the process attached to the mailbox
+    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);
+}
+
+/**
+ * @brief Prepares the current process for termination.
+ */
+void smpi_process_finalize(void)
+{
+  // wait for all pending asynchronous comms to finish
+  while (SIMIX_process_has_pending_comms(SIMIX_process_self())) {
+    simcall_process_sleep(0.01);
+  }
+}
+
+#ifdef SMPI_F2C
+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");
+     xbt_abort();
+   }
+   return atoi(value);
+}
+#endif
+
+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) {
+smpi_process_data_t smpi_process_remote_data(int index)
+{
   return process_data[index];
 }
 
-int smpi_process_count(void) {
+void smpi_process_set_user_data(void *data)
+{
+  smpi_process_data_t process_data = smpi_process_data();
+  process_data->data = data;
+}
+
+void* smpi_process_get_user_data(){
+  smpi_process_data_t process_data = smpi_process_data();
+  return process_data->data;
+}
+
+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;
 }
 
-MPI_Comm smpi_process_comm_self(void) {
+smx_rdv_t smpi_process_mailbox_small(void) {
   smpi_process_data_t data = smpi_process_data();
 
-  return data->comm_self;
+  return data->mailbox_small;
 }
 
-void print_request(const char* message, MPI_Request request) {
-  char* req = bprintf("[buf = %p, size = %zu, src = %d, dst = %d, tag= %d, complete = %d, flags = %u]",
-                      request->buf, request->size, request->src, request->dst, request->tag, request->complete, request->flags);
+smx_rdv_t smpi_process_remote_mailbox(int index) {
+  smpi_process_data_t data = smpi_process_remote_data(index);
 
-  DEBUG5("%s  (request %p with rdv %p and match %p) %s",
-         message, request, request->rdv, request->match, req);
-  free(req);
+  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_small(int index) {
   smpi_process_data_t data = smpi_process_remote_data(index);
-  xbt_fifo_item_t item;
-  MPI_Request req;
-
-  print_request("Isend", request);
-  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)){
-      print_request("Match found", req);
-      xbt_fifo_remove_item(data->pending_recv, item);
-      /* Materialize the *_ANY_* fields from corresponding irecv request */
-      req->src = request->src;
-      req->tag = request->tag;
-      req->match = request;
-      request->rdv = req->rdv;
-      request->match = req;
-      return;
-    }
-  }
-  request->rdv = SIMIX_rdv_create(NULL);
-  xbt_fifo_push(data->pending_sent, request);
+
+  return data->mailbox_small;
+}
+
+xbt_os_timer_t smpi_process_timer(void)
+{
+  smpi_process_data_t data = smpi_process_data();
+
+  return data->timer;
 }
 
-void smpi_process_post_recv(MPI_Request request) {
+void smpi_process_simulated_start(void) {
   smpi_process_data_t data = smpi_process_data();
-  xbt_fifo_item_t item;
-  MPI_Request req;
-
-  print_request("Irecv", request);
-  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)){
-      print_request("Match found", req);
-      xbt_fifo_remove_item(data->pending_sent, item);
-      /* Materialize the *_ANY_* fields from the irecv request */
-      req->match = request;
-      request->src = req->src;
-      request->tag = req->tag;
-      request->rdv = req->rdv;
-      request->match = req;
-      return;
-    }
+
+  data->simulated = SIMIX_get_clock();
+}
+
+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);
+}
+
+static void SMPI_comm_copy_buffer_callback(smx_action_t comm, void* buff, size_t buff_size)
+{
+  XBT_DEBUG("Copy the data over");
+  memcpy(comm->comm.dst_buff, buff, buff_size);
+  if (comm->comm.detached) { // if this is a detached send, the source buffer was duplicated by SMPI sender to make the original buffer available to the application ASAP
+    xbt_free(buff);
+    //It seems that the request is used after the call there this should
+    //be free somewhereelse  but where???
+    //xbt_free(comm->comm.src_data);// inside SMPI the request is keep
+    //inside the user data and should be free 
+    comm->comm.src_buff = NULL;
   }
-  request->rdv = SIMIX_rdv_create(NULL);
-  xbt_fifo_push(data->pending_recv, request);
 }
 
-void smpi_global_init(void) {
+void smpi_global_init(void)
+{
   int i;
   MPI_Group group;
+  char name[MAILBOX_NAME_MAXLEN];
 
-  SIMIX_network_set_copy_data_callback(&SIMIX_network_copy_buffer_callback);
+  SIMIX_comm_set_copy_data_callback(&SMPI_comm_copy_buffer_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 = simcall_rdv_create(get_mailbox_name(name, i));
+    process_data[i]->mailbox_small = simcall_rdv_create(get_mailbox_name_small(name, i));
     process_data[i]->timer = xbt_os_timer_new();
     group = smpi_group_new(1);
     process_data[i]->comm_self = smpi_comm_new(group);
@@ -130,58 +256,82 @@ void smpi_global_init(void) {
   }
   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_group_destroy(smpi_comm_group(MPI_COMM_WORLD));
   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);
+    simcall_rdv_destroy(process_data[i]->mailbox);
+    simcall_rdv_destroy(process_data[i]->mailbox_small);
     xbt_free(process_data[i]);
   }
   xbt_free(process_data);
   process_data = NULL;
+
+  smpi_free_static();
 }
 
-int main(int argc, char **argv)
-{
-  srand(SMPI_RAND_SEED);
+/* 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)) smpi_simulated_main(int argc, char** argv) {
+  xbt_die("Should not be in this smpi_simulated_main");
+  return 1;
+}
 
-  double default_reference_speed = 20000.0;
-  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);
+int __attribute__((weak)) main(int argc, char** argv) {
+   return MAIN__(smpi_simulated_main,argc,argv);
+}
 
-  int default_display_timing = 0;
-  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);
+int MAIN__(int (*realmain) (int argc, char *argv[]),int argc, char *argv[])
+{
+  srand(SMPI_RAND_SEED);
 
-  int default_display_smpe = 0;
-  xbt_cfg_register(&_surf_cfg_set, "smpi/log_events",
-                   "Boolean indicating whether we should display simulated time spent in MPI calls.",
-                   xbt_cfgelm_int, &default_display_smpe, 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;
+  }
 
-  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);
+  /* Connect log categories.  See xbt/log.c */
+  XBT_LOG_CONNECT(smpi);  /* Keep this line as soon as possible in this function: xbt_log_appender_file.c depends on it
+                             DO NOT connect this in XBT or so, or it will be useless to xbt_log_appender_file.c */
+  XBT_LOG_CONNECT(smpi_base);
+  XBT_LOG_CONNECT(smpi_bench);
+  XBT_LOG_CONNECT(smpi_coll);
+  XBT_LOG_CONNECT(smpi_comm);
+  XBT_LOG_CONNECT(smpi_group);
+  XBT_LOG_CONNECT(smpi_kernel);
+  XBT_LOG_CONNECT(smpi_mpi);
+  XBT_LOG_CONNECT(smpi_mpi_dt);
+  XBT_LOG_CONNECT(smpi_pmpi);
+  XBT_LOG_CONNECT(smpi_replay);
+
+#ifdef HAVE_TRACING
+  TRACE_global_init(&argc, argv);
+#endif
 
   SIMIX_global_init(&argc, argv);
 
+#ifdef HAVE_TRACING
+  TRACE_start();
+#endif
+
   // parse the platform file: get the host list
   SIMIX_create_environment(argv[1]);
 
-  SIMIX_function_register("smpi_simulated_main", smpi_simulated_main);
+  SIMIX_function_register_default(realmain);
   SIMIX_launch_application(argv[2]);
 
   smpi_global_init();
@@ -189,17 +339,20 @@ int main(int argc, char **argv)
   /* Clean IO before the run */
   fflush(stdout);
   fflush(stderr);
-  SIMIX_init();
 
-  while (SIMIX_solve(NULL, NULL) != -1.0);
+  if (MC_is_active())
+    MC_modelcheck();
+  else
+    SIMIX_run();
 
-  if (xbt_cfg_get_int(_surf_cfg_set, "smpi/display_timing"))
-    INFO1("simulation time %g", SIMIX_get_clock());
+  if (surf_cfg_get_int("smpi/display_timing"))
+    XBT_INFO("Simulation time: %g seconds.", SIMIX_get_clock());
 
   smpi_global_destroy();
 
-  SIMIX_message_sizes_output("toto.txt");
+#ifdef HAVE_TRACING
+  TRACE_end();
+#endif
 
-  SIMIX_clean();
   return 0;
 }