X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/2657f0d53f89585441beaa8979213b46d0b865ff..09b711da5625559594d63e9f2f0ff8bebf133548:/src/simdag/sd_daxloader.c diff --git a/src/simdag/sd_daxloader.c b/src/simdag/sd_daxloader.c index f37b375f0c..6a523ea615 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. */ @@ -44,26 +45,15 @@ static YY_BUFFER_STATE input_buffer; static xbt_dynar_t result; static xbt_dict_t files; static SD_task_t current_job; +static SD_task_t root_task,end_task; -typedef struct { - xbt_dynar_t inputs; - xbt_dynar_t outputs; -} dax_comp_task; - -typedef struct { - double size; -} dax_comm_task; - -typedef struct { - short int is_comm_task; - union { - dax_comp_task comp; - dax_comm_task comm; - }; -} *dax_task_t; - -static void dax_task_rmdata(SD_task_t t) { - +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 dax_task_free(void*task){ @@ -71,8 +61,12 @@ static void dax_task_free(void*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) { - SD_task_t task; FILE* in_file = fopen(filename,"r"); xbt_assert1(in_file, "Unable to open \"%s\"\n", filename); input_buffer = dax__create_buffer(in_file, 10); @@ -81,13 +75,61 @@ xbt_dynar_t SD_daxload(const char*filename) { result = xbt_dynar_new(sizeof(SD_task_t),dax_task_free); files=xbt_dict_new(); - task = SD_task_create("top",NULL,0); - xbt_dynar_push(result,&task); + 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); - xbt_dict_free(&files); fclose(in_file); + + /* 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_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); + } + 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,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; } @@ -98,10 +140,13 @@ void STag_dax__adag(void) { } 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(A_dax__job_id,NULL,runtime); - xbt_dynar_push(result,current_job); +// INFO3("See ",A_dax__job_id,A_dax__job_runtime,runtime); + current_job = SD_task_create_comp_seq(name,NULL,runtime); + free(name); + xbt_dynar_push(result,¤t_job); + } void STag_dax__child(void) { // INFO0("See "); @@ -114,11 +159,11 @@ void STag_dax__uses(void) { 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")); +// 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(A_dax__uses_file,NULL,size); - xbt_dict_set(files,A_dax__uses_file,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", @@ -128,7 +173,10 @@ void STag_dax__uses(void) { if (is_input) { SD_task_dependency_add(NULL,NULL,file,current_job); } else { - SD_task_dependency_add(NULL,NULL,file,current_job); + 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); + } } } void ETag_dax__adag(void) {