[Bf-blender-cvs] [f0cf15b5c6] master: Task scheduler: Remove counter of done tasks
Sergey Sharybin
noreply at git.blender.org
Wed Mar 1 12:49:23 CET 2017
Commit: f0cf15b5c68a1332707fe88985d21e238736ab40
Author: Sergey Sharybin
Date: Wed Mar 1 12:45:51 2017 +0100
Branches: master
https://developer.blender.org/rBf0cf15b5c68a1332707fe88985d21e238736ab40
Task scheduler: Remove counter of done tasks
This was only used for progress report, and it's wrong because:
- Pool might in theory be re-used by different tasks
- We should not make any decision based on scheduling stats
Proper way is to take care of progress by the task itself.
===================================================================
M source/blender/blenlib/BLI_task.h
M source/blender/blenlib/intern/task.c
M source/blender/render/CMakeLists.txt
M source/blender/render/intern/source/volume_precache.c
===================================================================
diff --git a/source/blender/blenlib/BLI_task.h b/source/blender/blenlib/BLI_task.h
index 967e0be6d0..08b9629610 100644
--- a/source/blender/blenlib/BLI_task.h
+++ b/source/blender/blenlib/BLI_task.h
@@ -113,9 +113,6 @@ void *BLI_task_pool_userdata(TaskPool *pool);
/* optional mutex to use from run function */
ThreadMutex *BLI_task_pool_user_mutex(TaskPool *pool);
-/* number of tasks done, for stats, don't use this to make decisions */
-size_t BLI_task_pool_tasks_done(TaskPool *pool);
-
/* Parallel for routines */
typedef void (*TaskParallelRangeFunc)(void *userdata, const int iter);
typedef void (*TaskParallelRangeFuncEx)(void *userdata, void *userdata_chunk, const int iter, const int thread_id);
diff --git a/source/blender/blenlib/intern/task.c b/source/blender/blenlib/intern/task.c
index fc2d9674c2..c4761e9f7e 100644
--- a/source/blender/blenlib/intern/task.c
+++ b/source/blender/blenlib/intern/task.c
@@ -106,7 +106,6 @@ struct TaskPool {
TaskScheduler *scheduler;
volatile size_t num;
- volatile size_t done;
size_t num_threads;
size_t currently_running_tasks;
ThreadMutex num_mutex;
@@ -238,7 +237,6 @@ static void task_pool_num_decrease(TaskPool *pool, size_t done)
pool->num -= done;
atomic_sub_and_fetch_z(&pool->currently_running_tasks, done);
- pool->done += done;
if (pool->num == 0)
BLI_condition_notify_all(&pool->num_cond);
@@ -504,7 +502,6 @@ static TaskPool *task_pool_create_ex(TaskScheduler *scheduler, void *userdata, c
pool->scheduler = scheduler;
pool->num = 0;
- pool->done = 0;
pool->num_threads = 0;
pool->currently_running_tasks = 0;
pool->do_cancel = false;
@@ -743,11 +740,6 @@ ThreadMutex *BLI_task_pool_user_mutex(TaskPool *pool)
return &pool->user_mutex;
}
-size_t BLI_task_pool_tasks_done(TaskPool *pool)
-{
- return pool->done;
-}
-
/* Parallel range routines */
/**
diff --git a/source/blender/render/CMakeLists.txt b/source/blender/render/CMakeLists.txt
index 9e40ab02ee..569b207c96 100644
--- a/source/blender/render/CMakeLists.txt
+++ b/source/blender/render/CMakeLists.txt
@@ -35,6 +35,7 @@ set(INC
../makesdna
../makesrna
../physics
+ ../../../intern/atomic
../../../intern/guardedalloc
../../../intern/mikktspace
../../../intern/smoke/extern
diff --git a/source/blender/render/intern/source/volume_precache.c b/source/blender/render/intern/source/volume_precache.c
index 5377d0eba0..752a9df0b7 100644
--- a/source/blender/render/intern/source/volume_precache.c
+++ b/source/blender/render/intern/source/volume_precache.c
@@ -60,6 +60,8 @@
#include "volumetric.h"
#include "volume_precache.h"
+#include "atomic_ops.h"
+
/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
/* defined in pipeline.c, is hardcopy of active dynamic allocated Render */
@@ -509,7 +511,8 @@ static void *vol_precache_part_test(void *data)
*/
typedef struct VolPrecacheState {
double lasttime;
- int totparts;
+ unsigned int doneparts;
+ unsigned int totparts;
} VolPrecacheState;
static void vol_precache_part(TaskPool * __restrict pool, void *taskdata, int UNUSED(threadid))
@@ -574,13 +577,15 @@ static void vol_precache_part(TaskPool * __restrict pool, void *taskdata, int UN
}
}
+ unsigned int doneparts = atomic_add_and_fetch_u(&state->doneparts, 1);
+
time = PIL_check_seconds_timer();
if (time - state->lasttime > 1.0) {
ThreadMutex *mutex = BLI_task_pool_user_mutex(pool);
if (BLI_mutex_trylock(mutex)) {
char str[64];
- float ratio = (float)BLI_task_pool_tasks_done(pool)/(float)state->totparts;
+ float ratio = (float)doneparts/(float)state->totparts;
BLI_snprintf(str, sizeof(str), IFACE_("Precaching volume: %d%%"), (int)(100.0f * ratio));
re->i.infostr = str;
re->stats_draw(re->sdh, &re->i);
@@ -631,6 +636,7 @@ static void precache_launch_parts(Render *re, RayObject *tree, ShadeInput *shi,
/* setup task scheduler */
memset(&state, 0, sizeof(state));
+ state.doneparts = 0;
state.totparts = parts[0]*parts[1]*parts[2];
state.lasttime = PIL_check_seconds_timer();
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