From 28e542dcdbb8a1187007b588c2b8f91f92870a24 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Marek=20Ol=C5=A1=C3=A1k?= Date: Sat, 1 Sep 2018 03:10:27 -0400 Subject: [PATCH] gallium/u_threaded: increase batch size to increase performance This reduces mutex overhead. radeonsi: +4.4% performance with piglit/drawoverhead, DrawElements, Ryzen X1700 iris_dri.so: +14% with piglit/drawoverhead, DrawArrays, i7 7700HQ. Acked-by: Kenneth Graunke --- src/gallium/auxiliary/util/u_threaded_context.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/gallium/auxiliary/util/u_threaded_context.h b/src/gallium/auxiliary/util/u_threaded_context.h index 53c5a7e..be6933d 100644 --- a/src/gallium/auxiliary/util/u_threaded_context.h +++ b/src/gallium/auxiliary/util/u_threaded_context.h @@ -220,7 +220,7 @@ struct tc_unflushed_batch_token; * The idea is to have batches as small as possible but large enough so that * the queuing and mutex overhead is negligible. */ -#define TC_CALLS_PER_BATCH 192 +#define TC_CALLS_PER_BATCH 768 /* Threshold for when to use the queue or sync. */ #define TC_MAX_STRING_MARKER_BYTES 512 -- 2.7.4