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llvmpipe: compute shaders work better with all the threads.

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I got to benchmarking some vulkan compute benchmark and wondered
why my CPUs weren't being saturated, helps if you actually wake up
all the threads in the threadpool.

Fixes: 1b24e3ba75 (llvmpipe: add compute threadpool + mutex)

Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5138>
(cherry picked from commit 22554e1fbc)
This commit is contained in:
Dave Airlie 2020-05-21 13:38:03 +10:00 • committed by Dylan Baker
parent 0e9812d0ec
commit a771dd8f25
2 changed files with 2 additions and 2 deletions
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2
.pick_status.json
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@ -2704,7 +2704,7 @@
"description": "llvmpipe: compute shaders work better with all the threads.",
"nominated": true,
"nomination_type": 1,
"resolution": 0,
"resolution": 1,
"master_sha": null,
"because_sha": "1b24e3ba756ba4951086d0b1b351364acbd3af1d"
},

2
src/gallium/drivers/llvmpipe/lp_cs_tpool.c
View file

@ -137,7 +137,7 @@ lp_cs_tpool_queue_task(struct lp_cs_tpool *pool,
list_addtail(&task->list, &pool->workqueue);
cnd_signal(&pool->new_work);
cnd_broadcast(&pool->new_work);
mtx_unlock(&pool->m);
return task;
}