no changes were observed when running cairo trimmed benchmarks. Running "lowlevel-blt-bench src_8_8888" on POWER8, 8 cores, 3.4GHz, RHEL 7.1 ppc64le gave the following results:
reference memcpy speed = 25197.2MB/s (6299.3MP/s for 32bpp fills) Before After Change -------------------------------------------- L1 965.34 3936 +307.73% L2 942.99 3436.29 +264.40% M 902.24 2757.77 +205.66% HT 448.46 784.99 +75.04% VT 430.05 819.78 +90.62% R 412.9 717.04 +73.66% RT 168.93 220.63 +30.60% Kops/s 1025 1303 +27.12% It was benchmarked against commid id e2d211a from pixman/master Siarhei Siamashka reported that on playstation3, it shows the following results: == before == src_8_8888 = L1: 194.37 L2: 198.46 M:155.90 (148.35%) HT: 59.18 VT: 36.71 R: 38.93 RT: 12.79 ( 106Kops/s) == after == src_8_8888 = L1: 373.96 L2: 391.10 M:245.81 (233.88%) HT: 80.81 VT: 44.33 R: 48.10 RT: 14.79 ( 122Kops/s) Signed-off-by: Oded Gabbay <oded.gab...@gmail.com> Acked-by: Siarhei Siamashka <siarhei.siamas...@gmail.com> --- pixman/pixman-vmx.c | 46 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) diff --git a/pixman/pixman-vmx.c b/pixman/pixman-vmx.c index ec39c81..3349657 100644 --- a/pixman/pixman-vmx.c +++ b/pixman/pixman-vmx.c @@ -3137,6 +3137,49 @@ vmx_fetch_x8r8g8b8 (pixman_iter_t *iter, const uint32_t *mask) return iter->buffer; } +static uint32_t * +vmx_fetch_a8 (pixman_iter_t *iter, const uint32_t *mask) +{ + int w = iter->width; + uint32_t *dst = iter->buffer; + uint8_t *src = iter->bits; + vector unsigned int vmx0, vmx1, vmx2, vmx3, vmx4, vmx5, vmx6; + + iter->bits += iter->stride; + + while (w && (((uintptr_t)dst) & 15)) + { + *dst++ = *(src++) << 24; + w--; + } + + while (w >= 16) + { + vmx0 = load_128_unaligned((uint32_t *) src); + + unpack_128_2x128((vector unsigned int) AVV(0), vmx0, &vmx1, &vmx2); + unpack_128_2x128_16((vector unsigned int) AVV(0), vmx1, &vmx3, &vmx4); + unpack_128_2x128_16((vector unsigned int) AVV(0), vmx2, &vmx5, &vmx6); + + save_128_aligned(dst, vmx6); + save_128_aligned((dst + 4), vmx5); + save_128_aligned((dst + 8), vmx4); + save_128_aligned((dst + 12), vmx3); + + dst += 16; + src += 16; + w -= 16; + } + + while (w) + { + *dst++ = *(src++) << 24; + w--; + } + + return iter->buffer; +} + #define IMAGE_FLAGS \ (FAST_PATH_STANDARD_FLAGS | FAST_PATH_ID_TRANSFORM | \ FAST_PATH_BITS_IMAGE | FAST_PATH_SAMPLES_COVER_CLIP_NEAREST) @@ -3146,6 +3189,9 @@ static const pixman_iter_info_t vmx_iters[] = { PIXMAN_x8r8g8b8, IMAGE_FLAGS, ITER_NARROW, _pixman_iter_init_bits_stride, vmx_fetch_x8r8g8b8, NULL }, + { PIXMAN_a8, IMAGE_FLAGS, ITER_NARROW, + _pixman_iter_init_bits_stride, vmx_fetch_a8, NULL + }, { PIXMAN_null }, }; -- 2.4.3 _______________________________________________ Pixman mailing list Pixman@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/pixman