diff options
| author | Marek Olšák <[email protected]> | 2016-07-17 13:23:53 +0200 |
|---|---|---|
| committer | Marek Olšák <[email protected]> | 2016-07-19 23:45:06 +0200 |
| commit | dea6fdadca56a5bef507d6a5818707eb8b135ef2 (patch) | |
| tree | 76baffc9d53e0318c5bc72ec4e06d6ab8d77ebc3 /src/gallium | |
| parent | 8d5944199d0d76ef506529e9b13c2e223756a53e (diff) | |
winsys/radeon: use pb_cache buckets for fewer pb_cache misses
This makes Bioshock Infinite with deferred flushing 2.2% faster.
Reviewed-by: Nicolai Hähnle <[email protected]>
Diffstat (limited to 'src/gallium')
| -rw-r--r-- | src/gallium/winsys/radeon/drm/radeon_drm_bo.c | 29 |
1 files changed, 22 insertions, 7 deletions
diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_bo.c b/src/gallium/winsys/radeon/drm/radeon_drm_bo.c index 82dec8ed981..897b5367092 100644 --- a/src/gallium/winsys/radeon/drm/radeon_drm_bo.c +++ b/src/gallium/winsys/radeon/drm/radeon_drm_bo.c @@ -503,7 +503,8 @@ static struct radeon_bo *radeon_create_bo(struct radeon_drm_winsys *rws, unsigned size, unsigned alignment, unsigned usage, unsigned initial_domains, - unsigned flags) + unsigned flags, + unsigned pb_cache_bucket) { struct radeon_bo *bo; struct drm_radeon_gem_create args; @@ -551,7 +552,8 @@ static struct radeon_bo *radeon_create_bo(struct radeon_drm_winsys *rws, bo->va = 0; bo->initial_domain = initial_domains; pipe_mutex_init(bo->map_mutex); - pb_cache_init_entry(&rws->bo_cache, &bo->cache_entry, &bo->base, 0); + pb_cache_init_entry(&rws->bo_cache, &bo->cache_entry, &bo->base, + pb_cache_bucket); if (rws->info.has_virtual_memory) { struct drm_radeon_gem_va va; @@ -723,7 +725,7 @@ radeon_winsys_bo_create(struct radeon_winsys *rws, { struct radeon_drm_winsys *ws = radeon_drm_winsys(rws); struct radeon_bo *bo; - unsigned usage = 0; + unsigned usage = 0, pb_cache_bucket; /* Only 32-bit sizes are supported. */ if (size > UINT_MAX) @@ -742,19 +744,32 @@ radeon_winsys_bo_create(struct radeon_winsys *rws, if (domain == RADEON_DOMAIN_VRAM_GTT) usage = 1 << 2; else - usage = domain >> 1; + usage = (unsigned)domain >> 1; assert(flags < sizeof(usage) * 8 - 3); usage |= 1 << (flags + 3); - bo = radeon_bo(pb_cache_reclaim_buffer(&ws->bo_cache, size, alignment, usage, 0)); + /* Determine the pb_cache bucket for minimizing pb_cache misses. */ + pb_cache_bucket = 0; + if (size <= 4096) /* small buffers */ + pb_cache_bucket += 1; + if (domain & RADEON_DOMAIN_VRAM) /* VRAM or VRAM+GTT */ + pb_cache_bucket += 2; + if (flags == RADEON_FLAG_GTT_WC) /* WC */ + pb_cache_bucket += 4; + assert(pb_cache_bucket < ARRAY_SIZE(ws->bo_cache.buckets)); + + bo = radeon_bo(pb_cache_reclaim_buffer(&ws->bo_cache, size, alignment, + usage, pb_cache_bucket)); if (bo) return &bo->base; - bo = radeon_create_bo(ws, size, alignment, usage, domain, flags); + bo = radeon_create_bo(ws, size, alignment, usage, domain, flags, + pb_cache_bucket); if (!bo) { /* Clear the cache and try again. */ pb_cache_release_all_buffers(&ws->bo_cache); - bo = radeon_create_bo(ws, size, alignment, usage, domain, flags); + bo = radeon_create_bo(ws, size, alignment, usage, domain, flags, + pb_cache_bucket); if (!bo) return NULL; } |