-/* Copyright (c) 2009, 2010. The SimGrid Team.
+/* Copyright (c) 2009-2013. The SimGrid Team.
* All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
#include "xbt/misc.h"
#include "xbt/log.h"
#include <stdbool.h>
+#include <string.h>
+#include <libgen.h>
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(sd_dotparse, sd, "Parsing DOT files");
#include <graphviz/cgraph.h>
#elif HAVE_AGRAPH_H
#include <graphviz/agraph.h>
+#define agnxtnode(dot, node) agnxtnode(node)
+#define agfstin(dot, node) agfstin(node)
+#define agnxtin(dot, edge) agnxtin(edge)
+#define agfstout(dot, node) agfstout(node)
+#define agnxtout(dot, edge) agnxtout(edge)
#endif
+typedef enum {
+ sequential =0,
+ parallel
+} seq_par_t;
+
void dot_add_task(Agnode_t * dag_node);
-void dot_add_input_dependencies(SD_task_t current_job, Agedge_t * edge);
-void dot_add_output_dependencies(SD_task_t current_job, Agedge_t * edge);
+void dot_add_parallel_task(Agnode_t * dag_node);
+void dot_add_input_dependencies(SD_task_t current_job, Agedge_t * edge,
+ seq_par_t seq_or_par);
+void dot_add_output_dependencies(SD_task_t current_job, Agedge_t * edge,
+ seq_par_t seq_or_par);
xbt_dynar_t SD_dotload_generic(const char * filename);
static double dot_parse_double(const char *string)
{
- if (string == NULL)
- return -1;
- double value = -1;
- char *err;
-
- //ret = sscanf(string, "%lg", &value);
- errno = 0;
- value = strtod(string,&err);
- if(errno)
- {
- XBT_WARN("Failed to convert string to double: %s\n",strerror(errno));
- return -1;
- }
- return value;
+ if (string == NULL)
+ return -1;
+ double value = -1;
+ char *err;
+
+ //ret = sscanf(string, "%lg", &value);
+ errno = 0;
+ value = strtod(string,&err);
+ if(errno)
+ {
+ XBT_WARN("Failed to convert string to double: %s\n",strerror(errno));
+ return -1;
+ }
+ return value;
}
SD_task_destroy(t);
}
+static void dot_task_p_free(void *task)
+{
+ SD_task_t *t = task;
+ SD_task_destroy(*t);
+}
+
static void TRACE_sd_dotloader (SD_task_t task, const char *category)
{
if (category){
}else{
XBT_WARN("The scheduling is ignored");
}
+ SD_task_t task;
+ unsigned int count;
+ xbt_dynar_t computer = NULL;
+ xbt_dict_cursor_t dict_cursor;
+ char *computer_name;
+ xbt_dict_foreach(computers,dict_cursor,computer_name,computer){
+ xbt_dynar_free(&computer);
+ }
+ xbt_dict_free(&computers);
+ xbt_dynar_foreach(result,count,task){
+ SD_task_destroy(task);
+ }
return NULL;
}
+xbt_dynar_t SD_PTG_dotload(const char * filename)
+{
+ xbt_assert(filename, "Unable to use a null file descriptor\n");
+ FILE *in_file = fopen(filename, "r");
+ dag_dot = agread(in_file, NIL(Agdisc_t *));
+
+ result = xbt_dynar_new(sizeof(SD_task_t), dot_task_p_free);
+ files = xbt_dict_new_homogeneous(&dot_task_free);
+ jobs = xbt_dict_new_homogeneous(NULL);
+ computers = xbt_dict_new_homogeneous(NULL);
+ root_task = SD_task_create_comp_par_amdahl("root", NULL, 0., 0.);
+ /* by design the root task is always SCHEDULABLE */
+ __SD_task_set_state(root_task, SD_SCHEDULABLE);
+
+ xbt_dict_set(jobs, "root", root_task, NULL);
+ xbt_dynar_push(result, &root_task);
+ end_task = SD_task_create_comp_par_amdahl("end", NULL, 0., 0.);
+ xbt_dict_set(jobs, "end", end_task, NULL);
+
+ Agnode_t *dag_node = NULL;
+ for (dag_node = agfstnode(dag_dot); dag_node; dag_node = agnxtnode(dag_dot, dag_node)) {
+ dot_add_parallel_task(dag_node);
+ }
+ agclose(dag_dot);
+ xbt_dict_free(&jobs);
+
+ /* And now, post-process the files.
+ * We want a file task per pair of computation tasks exchanging the file. Duplicate on need
+ * Files not produced in the system are said to be produced by root task (top of DAG).
+ * Files not consumed in the system are said to be consumed by end task (bottom of DAG).
+ */
+ xbt_dict_cursor_t cursor;
+ SD_task_t file;
+ char *name;
+ xbt_dict_foreach(files, cursor, name, file) {
+ unsigned int cpt1, cpt2;
+ SD_task_t newfile = NULL;
+ SD_dependency_t depbefore, depafter;
+ if (xbt_dynar_is_empty(file->tasks_before)) {
+ xbt_dynar_foreach(file->tasks_after, cpt2, depafter) {
+ SD_task_t newfile =
+ SD_task_create_comm_par_mxn_1d_block(file->name, NULL, file->amount);
+ SD_task_dependency_add(NULL, NULL, root_task, newfile);
+ SD_task_dependency_add(NULL, NULL, newfile, depafter->dst);
+ xbt_dynar_push(result, &newfile);
+ }
+ } else if (xbt_dynar_is_empty(file->tasks_after)) {
+ xbt_dynar_foreach(file->tasks_before, cpt2, depbefore) {
+ SD_task_t newfile =
+ SD_task_create_comm_par_mxn_1d_block(file->name, NULL, file->amount);
+ SD_task_dependency_add(NULL, NULL, depbefore->src, newfile);
+ SD_task_dependency_add(NULL, NULL, newfile, end_task);
+ xbt_dynar_push(result, &newfile);
+ }
+ } else {
+ xbt_dynar_foreach(file->tasks_before, cpt1, depbefore) {
+ xbt_dynar_foreach(file->tasks_after, cpt2, depafter) {
+ if (depbefore->src == depafter->dst) {
+ XBT_WARN
+ ("File %s is produced and consumed by task %s. This loop dependency will prevent the execution of the task.",
+ file->name, depbefore->src->name);
+ }
+ newfile =
+ SD_task_create_comm_par_mxn_1d_block(file->name, NULL, file->amount);
+ SD_task_dependency_add(NULL, NULL, depbefore->src, newfile);
+ SD_task_dependency_add(NULL, NULL, newfile, depafter->dst);
+ xbt_dynar_push(result, &newfile);
+ }
+ }
+ }
+ }
+
+ /* Push end task last */
+ xbt_dynar_push(result, &end_task);
+
+ /* Free previous copy of the files */
+ xbt_dict_free(&files);
+ xbt_dict_free(&computers);
+ fclose(in_file);
+ if (!acyclic_graph_detail(result)) {
+ XBT_ERROR("The DOT described in %s is not a DAG. It contains a cycle.",
+ basename((char*)filename));
+ xbt_dynar_free(&result);
+ /* (result == NULL) here */
+ }
+ return result;
+}
+
+
xbt_dynar_t SD_dotload_generic(const char * filename)
{
xbt_assert(filename, "Unable to use a null file descriptor\n");
-//dag_dot = agopen((char*)filename,Agstrictdirected,0);
+ //dag_dot = agopen((char*)filename,Agstrictdirected,0);
FILE *in_file = fopen(filename, "r");
dag_dot = agread(in_file, NIL(Agdisc_t *));
- result = xbt_dynar_new(sizeof(SD_task_t), dot_task_free);
+ result = xbt_dynar_new(sizeof(SD_task_t), dot_task_p_free);
files = xbt_dict_new_homogeneous(&dot_task_free);
jobs = xbt_dict_new_homogeneous(NULL);
computers = xbt_dict_new_homogeneous(NULL);
xbt_dict_set(jobs, "end", end_task, NULL);
Agnode_t *dag_node = NULL;
- for (dag_node = agfstnode(dag_dot); dag_node;
-#ifdef HAVE_CGRAPH_H
- dag_node = agnxtnode(dag_dot, dag_node)
-#elif HAVE_AGRAPH_H
- dag_node = agnxtnode(dag_node)
-#endif
- ) {
-
- dot_add_task(dag_node);
+ for (dag_node = agfstnode(dag_dot); dag_node; dag_node = agnxtnode(dag_dot, dag_node)) {
+ dot_add_task(dag_node);
}
agclose(dag_dot);
xbt_dict_free(&jobs);
/* Free previous copy of the files */
xbt_dict_free(&files);
fclose(in_file);
- if(acyclic_graph_detail(result))
- return result;
- acyclic_graph_detail(result);
- free(dag_dot);
- return NULL;
+ if (!acyclic_graph_detail(result)) {
+ XBT_ERROR("The DOT described in %s is not a DAG. It contains a cycle.",
+ basename((char*)filename));
+ xbt_dynar_free(&result);
+ /* (result == NULL) here */
+ }
+ return result;
+}
+
+/* dot_add_parallel_task create a sd_task of SD_TASK_COMP_PAR_AMDHAL type and
+ * all transfers required for this task. The execution time of the task is
+ * given by the attribute size. The unit of size is the Flop.*/
+void dot_add_parallel_task(Agnode_t * dag_node)
+{
+ char *name = agnameof(dag_node);
+ SD_task_t current_job;
+ double amount = dot_parse_double(agget(dag_node, (char *) "size"));
+ double alpha = dot_parse_double(agget(dag_node, (char *) "alpha"));
+
+ if (alpha == -1.)
+ alpha = 0.0;
+
+ XBT_DEBUG("See <job id=%s amount=%s %.0f alpha=%.2f>", name,
+ agget(dag_node, (char *) "size"), amount, alpha);
+ current_job = xbt_dict_get_or_null(jobs, name);
+ if (current_job == NULL) {
+ current_job =
+ SD_task_create_comp_par_amdahl(name, NULL , amount, alpha);
+#ifdef HAVE_TRACING
+ TRACE_sd_dotloader (current_job, agget (dag_node, (char*)"category"));
+#endif
+ xbt_dict_set(jobs, name, current_job, NULL);
+ xbt_dynar_push(result, ¤t_job);
+ }
+ Agedge_t *e;
+ int count = 0;
+
+ for (e = agfstin(dag_dot, dag_node); e; e = agnxtin(dag_dot, e)) {
+ dot_add_input_dependencies(current_job, e, parallel);
+ count++;
+ }
+ if (count == 0 && current_job != root_task) {
+ SD_task_dependency_add(NULL, NULL, root_task, current_job);
+ }
+ count = 0;
+ for (e = agfstout(dag_dot, dag_node); e; e = agnxtout(dag_dot, e)) {
+ dot_add_output_dependencies(current_job, e, parallel);
+ count++;
+ }
+ if (count == 0 && current_job != end_task) {
+ SD_task_dependency_add(NULL, NULL, current_job, end_task);
+ }
}
/* dot_add_task create a sd_task and all transfers required for this
Agedge_t *e;
int count = 0;
-#ifdef HAVE_CGRAPH_H
- for (e = agfstin(dag_dot, dag_node); e; e = agnxtin(dag_dot, e))
-#elif HAVE_AGRAPH_H
- for (e = agfstin(dag_node); e; e = agnxtin(e))
-#endif
- {
- dot_add_input_dependencies(current_job, e);
- count++;
+ for (e = agfstin(dag_dot, dag_node); e; e = agnxtin(dag_dot, e)) {
+ dot_add_input_dependencies(current_job, e, sequential);
+ count++;
}
if (count == 0 && current_job != root_task) {
SD_task_dependency_add(NULL, NULL, root_task, current_job);
}
count = 0;
-#ifdef HAVE_CGRAPH_H
- for (e = agfstout(dag_dot, dag_node); e; e = agnxtout(dag_dot, e))
-#elif HAVE_AGRAPH_H
- for (e = agfstout(dag_node); e; e = agnxtout(e))
-#endif
- {
-
- dot_add_output_dependencies(current_job, e);
+ for (e = agfstout(dag_dot, dag_node); e; e = agnxtout(dag_dot, e)) {
+ dot_add_output_dependencies(current_job, e, sequential);
count++;
}
if (count == 0 && current_job != end_task) {
* and a transfers. This is given by the edges in the dot file.
* The amount of data transfers is given by the attribute size on the
* edge. */
-void dot_add_input_dependencies(SD_task_t current_job, Agedge_t * edge)
+void dot_add_input_dependencies(SD_task_t current_job, Agedge_t * edge,
+ seq_par_t seq_or_par)
{
- SD_task_t file;
+ SD_task_t file = NULL;
char *name_tail=agnameof(agtail(edge));
char *name_head=agnameof(aghead(edge));
- char *name = malloc((strlen(name_head)+strlen(name_tail)+3)*sizeof(char));
+ char *name = xbt_malloc((strlen(name_head)+strlen(name_tail)+6)*sizeof(char));
sprintf(name, "%s->%s", name_tail, name_head);
double size = dot_parse_double(agget(edge, (char *) "size"));
XBT_DEBUG("size : %e, get size : %s", size, agget(edge, (char *) "size"));
if (size > 0) {
file = xbt_dict_get_or_null(files, name);
if (file == NULL) {
- file = SD_task_create_comm_e2e(name, NULL, size);
+ if (seq_or_par == sequential){
+ file = SD_task_create_comm_e2e(name, NULL, size);
+ } else {
+ file = SD_task_create_comm_par_mxn_1d_block(name, NULL, size);
+ }
#ifdef HAVE_TRACING
TRACE_sd_dotloader (file, agget (edge, (char*)"category"));
#endif
}
SD_task_dependency_add(NULL, NULL, file, current_job);
} else {
- file = xbt_dict_get_or_null(jobs, agnameof(agtail(edge)));
+ file = xbt_dict_get_or_null(jobs, name_tail);
if (file != NULL) {
SD_task_dependency_add(NULL, NULL, file, current_job);
}
* transfers and a task. This is given by the edges in the dot file.
* The amount of data transfers is given by the attribute size on the
* edge. */
-void dot_add_output_dependencies(SD_task_t current_job, Agedge_t * edge)
-{
+void dot_add_output_dependencies(SD_task_t current_job, Agedge_t * edge,
+ seq_par_t seq_or_par){
SD_task_t file;
char *name_tail=agnameof(agtail(edge));
char *name_head=agnameof(aghead(edge));
- char *name = malloc((strlen(name_head)+strlen(name_tail)+3)*sizeof(char));
+ char *name = xbt_malloc((strlen(name_head)+strlen(name_tail)+6)*sizeof(char));
sprintf(name, "%s->%s", name_tail, name_head);
double size = dot_parse_double(agget(edge, (char *) "size"));
XBT_DEBUG("size : %e, get size : %s", size, agget(edge, (char *) "size"));
if (size > 0) {
file = xbt_dict_get_or_null(files, name);
if (file == NULL) {
- file = SD_task_create_comm_e2e(name, NULL, size);
+ if (seq_or_par == sequential){
+ file = SD_task_create_comm_e2e(name, NULL, size);
+ } else {
+ file = SD_task_create_comm_par_mxn_1d_block(name, NULL, size);
+ }
#ifdef HAVE_TRACING
TRACE_sd_dotloader (file, agget (edge, (char*)"category"));
#endif
XBT_WARN("File %s created at more than one location...", file->name);
}
} else {
- file = xbt_dict_get_or_null(jobs, agnameof(aghead(edge)));
+ file = xbt_dict_get_or_null(jobs, name_head);
if (file != NULL) {
SD_task_dependency_add(NULL, NULL, current_job, file);
}
