X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/3c9feb6ee162497152386c3b5d193a500604e414..6a09e6076188e3de9637c24d4ae74839fb03b33f:/src/simdag/sd_daxloader.c diff --git a/src/simdag/sd_daxloader.c b/src/simdag/sd_daxloader.c index 2e580ee5c8..6d6c0d9d7e 100644 --- a/src/simdag/sd_daxloader.c +++ b/src/simdag/sd_daxloader.c @@ -1,4 +1,5 @@ -/* Copyright (c) 2009 Da SimGrid Team. All rights reserved. */ +/* Copyright (c) 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. */ @@ -14,50 +15,196 @@ XBT_LOG_NEW_DEFAULT_SUBCATEGORY(sd_daxparse, sd,"Parsing DAX files"); #include "dax_dtd.h" #include "dax_dtd.c" + +/* Parsing helpers */ +static void dax_parse_error(char *msg) { + fprintf(stderr, "Parse error on line %d: %s\n", dax_lineno, msg); + abort(); +} +static double dax_parse_double(const char *string) { + int ret = 0; + double value; + + ret = sscanf(string, "%lg", &value); + if (ret != 1) + dax_parse_error(bprintf("%s is not a double", string)); + return value; +} +static int dax_parse_int(const char *string) { + int ret = 0; + int value; + + ret = sscanf(string, "%d", &value); + if (ret != 1) + dax_parse_error(bprintf("%s is not an integer", string)); + return value; +} + static YY_BUFFER_STATE input_buffer; static xbt_dynar_t result; +static xbt_dict_t jobs; +static xbt_dict_t files; +static SD_task_t current_job; +static SD_task_t root_task,end_task; + +static void dump_res() { + unsigned int cursor; + SD_task_t task; + xbt_dynar_foreach(result,cursor,task) { + INFO1("Task %d",cursor); + SD_task_dump(task); + } +} -static void SD_task_free(void*t){ +static void dax_task_free(void*task){ + SD_task_t t=task; SD_task_destroy(t); } +/** @brief loads a DAX file describing a DAG + * + * See https://confluence.pegasus.isi.edu/display/pegasus/WorkflowGenerator + * for more details. + */ xbt_dynar_t SD_daxload(const char*filename) { + xbt_dict_cursor_t cursor; + SD_task_t file; + char *name; FILE* in_file = fopen(filename,"r"); xbt_assert1(in_file, "Unable to open \"%s\"\n", filename); - input_buffer = - dax__create_buffer(in_file, 10); + input_buffer = dax__create_buffer(in_file, 10); dax__switch_to_buffer(input_buffer); dax_lineno = 1; - result = xbt_dynar_new(sizeof(SD_task_t),SD_task_free); - xbt_assert1(dax_lex(),"Parse error in %s",filename); + result = xbt_dynar_new(sizeof(SD_task_t),dax_task_free); + files=xbt_dict_new(); + jobs=xbt_dict_new(); + root_task = SD_task_create_comp_seq("root",NULL,0); + xbt_dynar_push(result,&root_task); + end_task = SD_task_create_comp_seq("end",NULL,0); + + xbt_assert2(!dax_lex(),"Parse error in %s: %s",filename,dax__parse_err_msg()); dax__delete_buffer(input_buffer); fclose(in_file); + 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_foreach(files,cursor,name,file) { + unsigned int cpt1,cpt2; + SD_task_t newfile = NULL; + SD_dependency_t depbefore,depafter; + if (xbt_dynar_length(file->tasks_before) == 0) { + xbt_dynar_foreach(file->tasks_after,cpt2,depafter) { + SD_task_t newfile = SD_task_create_comm_e2e(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_length(file->tasks_after) == 0) { + xbt_dynar_foreach(file->tasks_before,cpt2,depbefore) { + SD_task_t newfile = SD_task_create_comm_e2e(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) { + WARN2("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_e2e(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); + return result; } void STag_dax__adag(void) { + double version = dax_parse_double(A_dax__adag_version); + xbt_assert1((version == 2.1), "Expected version 2.1 in tag, got %f. Fix the parser or your file",version); } void STag_dax__job(void) { - + double runtime = dax_parse_double(A_dax__job_runtime); + char *name=bprintf("%s@%s",A_dax__job_id,A_dax__job_name); + runtime*=4200000000.; /* Assume that timings were done on a 4.2GFlops machine. I mean, why not? */ +// INFO3("See ",A_dax__job_id,A_dax__job_runtime,runtime); + current_job = SD_task_create_comp_seq(name,NULL,runtime); + xbt_dict_set(jobs,A_dax__job_id,current_job,NULL); + free(name); + xbt_dynar_push(result,¤t_job); } +void STag_dax__uses(void) { + SD_task_t file; + double size = dax_parse_double(A_dax__uses_size); + int is_input = (A_dax__uses_link == A_dax__uses_link_input); + +// INFO2("See ",A_dax__uses_file,(is_input?"in":"out")); + file = xbt_dict_get_or_null(files,A_dax__uses_file); + if (file==NULL) { + file = SD_task_create_comm_e2e(A_dax__uses_file,NULL,size); + xbt_dict_set(files,A_dax__uses_file,file,&dax_task_free); + } else { + if (SD_task_get_amount(file)!=size) { + WARN3("Ignoring file %s size redefinition from %.0f to %.0f", + A_dax__uses_file,SD_task_get_amount(file),size); + } + } + if (is_input) { + SD_task_dependency_add(NULL,NULL,file,current_job); + } else { + SD_task_dependency_add(NULL,NULL,current_job,file); + if (xbt_dynar_length(file->tasks_before)>1) { + WARN1("File %s created at more than one location...",file->name); + } + } +} +static SD_task_t current_child; void STag_dax__child(void) { - + current_child = xbt_dict_get_or_null(jobs,A_dax__child_ref); + if (current_child==NULL) + dax_parse_error(bprintf("Asked to add dependencies to the non-existent %s task",A_dax__child_ref)); +} +void ETag_dax__child(void) { + current_child=NULL; } void STag_dax__parent(void) { - + SD_task_t parent = xbt_dict_get_or_null(jobs,A_dax__parent_ref); + if (parent == NULL) + dax_parse_error(bprintf("Asked to add a dependency from %s to %s, but %s does not exist", + current_child->name,A_dax__parent_ref,A_dax__parent_ref)); + SD_task_dependency_add(NULL,NULL,parent,current_child); + DEBUG2("Control-flow dependency from %s to %s", current_child->name,parent->name); } void ETag_dax__adag(void) { - +// INFO0("See "); } void ETag_dax__job(void) { - -} -void ETag_dax__child(void) { - + current_job = NULL; +// INFO0("See "); } void ETag_dax__parent(void) { - +// INFO0("See "); +} +void ETag_dax__uses(void) { +// INFO0("See "); }