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sna: Tweak threading thresholds 

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2013-08-04 12:50:41 +01:00
parent 2cdd57c804
commit 2536ad044b
2 changed files with 9 additions and 6 deletions
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7
src/sna/sna_threads.c
View File

@ -208,7 +208,10 @@ int sna_use_threads(int width, int height, int threshold)
if (max_threads <= 0)
return 1;
num_threads = height / (128/width + 1) / threshold-1;
if (width < 128)
height /= 128/width;
num_threads = height * max_threads / threshold - 1;
if (num_threads <= 0)
return 1;
@ -251,7 +254,7 @@ void sna_image_composite(pixman_op_t op,
{
int num_threads;
num_threads = sna_use_threads(width, height, 16);
num_threads = sna_use_threads(width, height, 32);
if (num_threads <= 1) {
pixman_image_composite(op, src, mask, dst,
src_x, src_y,

8
src/sna/sna_trapezoids.c
View File

@ -2556,7 +2556,7 @@ trapezoids_fallback(struct sna *sna,
if (!scratch)
return;
num_threads = sna_use_threads(width, height, 4);
num_threads = sna_use_threads(width, height, 8);
if (num_threads == 1) {
if (depth < 8) {
image = pixman_image_create_bits(format, width, height,
@ -4280,7 +4280,7 @@ mono_trapezoids_span_converter(struct sna *sna,
!unbounded)
num_threads = sna_use_threads(mono.clip.extents.x2 - mono.clip.extents.x1,
mono.clip.extents.y2 - mono.clip.extents.y1,
16);
32);
if (num_threads > 1) {
struct mono_span_thread threads[num_threads];
int y, h;
@ -5795,7 +5795,7 @@ trapezoid_span_inplace__x8r8g8b8(CARD8 op,
num_threads = sna_use_threads(4*(region.extents.x2 - region.extents.x1),
region.extents.y2 - region.extents.y1,
8);
16);
DBG(("%s: %dx%d, format=%x, op=%d, lerp?=%d, num_threads=%d\n",
__FUNCTION__,
@ -6166,7 +6166,7 @@ trapezoid_span_inplace(struct sna *sna,
num_threads = sna_use_threads(region.extents.x2 - region.extents.x1,
region.extents.y2 - region.extents.y1,
8);
16);
if (num_threads == 1) {
struct tor tor;