X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/e01617e0cf654cb8f49f40baf572d9801e3da1e9..20f2291e7c83e26eebe9aeb61a91b76b5aed5a64:/src/simdag/private.h diff --git a/src/simdag/private.h b/src/simdag/private.h index 0ef4402ddb..e4025a39d3 100644 --- a/src/simdag/private.h +++ b/src/simdag/private.h @@ -1,68 +1,111 @@ +/* Copyright (c) 2006, 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. */ + #ifndef SIMDAG_PRIVATE_H #define SIMDAG_PRIVATE_H #include "xbt/dict.h" #include "xbt/dynar.h" +#include "xbt/fifo.h" #include "simdag/simdag.h" #include "simdag/datatypes.h" #include "surf/surf.h" - -#define SD_CHECK_INIT_DONE() xbt_assert0(sd_global != NULL, "Call SD_init() first") +#include "xbt/swag.h" +#include "xbt/mallocator.h" +#include /* Global variables */ typedef struct SD_global { - xbt_dict_t workstations; /* workstation list */ - int workstation_count; /* number of workstations */ - xbt_dict_t links; /* link list */ - int watch_point_reached; /* has a task just reached a watch point? */ - + SD_workstation_t *workstation_list; /* array of workstations, created only if + necessary in SD_workstation_get_list */ + SD_link_t *link_list; /* array of links, created only if + necessary in SD_link_get_list */ + SD_link_t *recyclable_route; /* array returned by SD_route_get_list + and mallocated only once */ + + xbt_mallocator_t task_mallocator; /* to not remalloc new tasks */ + + int watch_point_reached; /* has a task just reached a watch point? */ + /* task state sets */ xbt_swag_t not_scheduled_task_set; + xbt_swag_t schedulable_task_set; xbt_swag_t scheduled_task_set; - xbt_swag_t ready_task_set; + xbt_swag_t runnable_task_set; + xbt_swag_t in_fifo_task_set; xbt_swag_t running_task_set; xbt_swag_t done_task_set; xbt_swag_t failed_task_set; + xbt_swag_t return_set; + int task_number; + } s_SD_global_t, *SD_global_t; extern SD_global_t sd_global; /* Link */ typedef struct SD_link { - void *surf_link; /* surf object */ - void *data; /* user data */ + void *surf_link; /* surf object */ + void *data; /* user data */ + e_SD_link_sharing_policy_t sharing_policy; } s_SD_link_t; /* Workstation */ +typedef s_xbt_dictelm_t s_SD_workstation_t; typedef struct SD_workstation { - void *surf_workstation; /* surf object */ - void *data; /* user data */ -} s_SD_workstation_t; + void *data; /* user data */ + e_SD_workstation_access_mode_t access_mode; + + xbt_fifo_t task_fifo; /* only used in sequential mode */ + SD_task_t current_task; /* only used in sequential mode */ +} s_SD_workstation_priv_t, *SD_workstation_priv_t; + +static inline SD_workstation_priv_t SD_workstation_priv(SD_workstation_t host){ + return xbt_lib_get_level(host, SD_HOST_LEVEL); +} /* Task */ typedef struct SD_task { s_xbt_swag_hookup_t state_hookup; + s_xbt_swag_hookup_t return_hookup; xbt_swag_t state_set; - void *data; /* user data */ + e_SD_task_state_t state; + void *data; /* user data */ char *name; + int kind; double amount; + double alpha; /* used by typed parallel tasks */ + double remains; + double start_time; + double finish_time; surf_action_t surf_action; - unsigned short watch_points; - int state_changed; /* used only by SD_simulate, to make sure we put - the task only once in the returning array */ + unsigned short watch_points; /* bit field xor()ed with masks */ + + int fifo_checked; /* used by SD_task_just_done to make sure we evaluate + the task only once */ + int marked; /* used to check if the task DAG has some cycle*/ /* dependencies */ xbt_dynar_t tasks_before; xbt_dynar_t tasks_after; + int unsatisfied_dependencies; + unsigned int is_not_ready; /* scheduling parameters (only exist in state SD_SCHEDULED) */ int workstation_nb; - void **workstation_list; /* surf workstations */ + SD_workstation_t *workstation_list; /* surf workstations */ double *computation_amount; double *communication_amount; double rate; + +#ifdef HAVE_TRACING + char *category; /* sd task category for instrumentation */ +#endif } s_SD_task_t; /* Task dependencies */ @@ -75,42 +118,84 @@ typedef struct SD_dependency { } s_SD_dependency_t, *SD_dependency_t; /* SimDag private functions */ +XBT_PUBLIC(xbt_swag_t) SD_simulate_swag(double how_long); /* could be public, but you need to see the internals of the SD_task_t to use it */ + SD_link_t __SD_link_create(void *surf_link, void *data); -void __SD_link_destroy(void *link); +#define __SD_link_destroy xbt_free_f -SD_workstation_t __SD_workstation_create(void *surf_workstation, void *data); +SD_workstation_t __SD_workstation_create(void *surf_workstation, + void *data); void __SD_workstation_destroy(void *workstation); +int __SD_workstation_is_busy(SD_workstation_t workstation); void __SD_task_set_state(SD_task_t task, e_SD_task_state_t new_state); -surf_action_t __SD_task_run(SD_task_t task); +void __SD_task_really_run(SD_task_t task); +int __SD_task_try_to_run(SD_task_t task); +void __SD_task_just_done(SD_task_t task); +bool acyclic_graph_detail(xbt_dynar_t dag); + +/* Task mallocator functions */ +void* SD_task_new_f(void); +void SD_task_recycle_f(void *t); +void SD_task_free_f(void *t); -/* Functions to test if the task is in a given state. - These functions are faster than using SD_task_get_state() */ +/* Functions to test if the task is in a given state. */ -/* Returns whether the given task is scheduled or ready. */ -static _XBT_INLINE int __SD_task_is_scheduled_or_ready(SD_task_t task) { +/* Returns whether the given task is scheduled or runnable. */ +static XBT_INLINE int __SD_task_is_scheduled_or_runnable(SD_task_t task) +{ return task->state_set == sd_global->scheduled_task_set || - task->state_set == sd_global->ready_task_set; + task->state_set == sd_global->runnable_task_set; +} + +/* Returns whether the given task is scheduled or runnable. */ +static XBT_INLINE int __SD_task_is_schedulable_or_done(SD_task_t task) +{ + return task->state_set == sd_global->schedulable_task_set || + task->state_set == sd_global->done_task_set; } /* Returns whether the state of the given task is SD_NOT_SCHEDULED. */ -static _XBT_INLINE int __SD_task_is_not_scheduled(SD_task_t task) { +static XBT_INLINE int __SD_task_is_not_scheduled(SD_task_t task) +{ return task->state_set == sd_global->not_scheduled_task_set; } /* Returns whether the state of the given task is SD_SCHEDULED. */ -static _XBT_INLINE int __SD_task_is_scheduled(SD_task_t task) { +static XBT_INLINE int __SD_task_is_schedulable(SD_task_t task) +{ + return task->state_set == sd_global->schedulable_task_set; +} + +/* Returns whether the state of the given task is SD_SCHEDULED. */ +static XBT_INLINE int __SD_task_is_scheduled(SD_task_t task) +{ return task->state_set == sd_global->scheduled_task_set; } -/* Returns whether the state of the given task is SD_READY. */ -static _XBT_INLINE int __SD_task_is_ready(SD_task_t task) { - return task->state_set == sd_global->ready_task_set; +/* Returns whether the state of the given task is SD_RUNNABLE. */ +static XBT_INLINE int __SD_task_is_runnable(SD_task_t task) +{ + return task->state_set == sd_global->runnable_task_set; +} + +/* Returns whether the state of the given task is SD_IN_FIFO. */ +static XBT_INLINE int __SD_task_is_in_fifo(SD_task_t task) +{ + return task->state_set == sd_global->in_fifo_task_set; +} + +/* Returns whether the state of the given task is SD_RUNNABLE or SD_IN_FIFO. */ +static XBT_INLINE int __SD_task_is_runnable_or_in_fifo(SD_task_t task) +{ + return task->state_set == sd_global->runnable_task_set || + task->state_set == sd_global->in_fifo_task_set; } /* Returns whether the state of the given task is SD_RUNNING. */ -static _XBT_INLINE int __SD_task_is_running(SD_task_t task) { +static XBT_INLINE int __SD_task_is_running(SD_task_t task) +{ return task->state_set == sd_global->running_task_set; }