i965: Bump the initial program cache size from 4kB to 16kB.

Our initial size of 4kB is way too small to do anything useful, so we
end up growing it at least a few times.  We may as well start it larger.

Some data points:

- Dinoshade (from Mesa Demos): hit 8kB.
- Chromium 60: hit 16kB after browsing a few things in Google Docs.
- GFXBench4 TRex/Manhattan 3.1: hit 128kB
- Unigine Valley 1.0: hit 512kB

It might make sense to start it even larger.

Acked-by: Matt Turner <mattst88@gmail.com>

diff --git a/src/mesa/drivers/dri/i965/brw_program_cache.c b/src/mesa/drivers/dri/i965/brw_program_cache.c
index 907150f507eb4f67a1066a7dc29bde827e778177..adb0cd5a23b744288cc53a4f0eafd5112a52c52c 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_program_cache.c
+++ b/src/mesa/drivers/dri/i965/brw_program_cache.c
@@ -387,7 +387,7 @@ brw_init_caches(struct brw_context *brw)
    cache->items =
       calloc(cache->size, sizeof(struct brw_cache_item *));
 
-   cache->bo = brw_bo_alloc(brw->bufmgr, "program cache",  4096, 64);
+   cache->bo = brw_bo_alloc(brw->bufmgr, "program cache", 16384, 64);
    if (can_do_exec_capture(brw->screen))
       cache->bo->kflags = EXEC_OBJECT_CAPTURE;