POWER8, 8 cores, 3.4GHz, RHEL 7.1 ppc64le.
reference memcpy speed = 24764.8MB/s (6191.2MP/s for 32bpp fills)
Before After Change
---------------------------------------------
L1 61.92 244.91 +295.53%
L2 62.74 243.3 +287.79%
M 63.03 241.94 +283.85%
HT 59.91 144.22 +140.73%
VT 59.4 174.39 +193.59%
R 53.6 111.37 +107.78%
RT 37.99 46.38 +22.08%
Kops/s 436 506 +16.06%
cairo trimmed benchmarks :
Speedups
========
t-xfce4-terminal-a1 1540.37 -> 1226.14 : 1.26x
t-firefox-talos-gfx 1488.59 -> 1209.19 : 1.23x
Slowdowns
=========
t-evolution 553.88 -> 581.63 : 1.05x
t-poppler 364.99 -> 383.79 : 1.05x
t-firefox-scrolling 1223.65 -> 1304.34 : 1.07x
Signed-off-by: Oded Gabbay <[email protected]>
---
pixman/pixman-vmx.c | 112 ++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 112 insertions(+)
diff --git a/pixman/pixman-vmx.c b/pixman/pixman-vmx.c
index e69d530..966219f 100644
--- a/pixman/pixman-vmx.c
+++ b/pixman/pixman-vmx.c
@@ -2871,6 +2871,114 @@ vmx_composite_over_8888_8888 (pixman_implementation_t
*imp,
}
static void
+vmx_composite_over_n_8888_8888_ca (pixman_implementation_t *imp,
+ pixman_composite_info_t *info)
+{
+ PIXMAN_COMPOSITE_ARGS (info);
+ uint32_t src;
+ uint32_t *dst_line, d;
+ uint32_t *mask_line, m;
+ uint32_t pack_cmp;
+ int dst_stride, mask_stride;
+
+ vector unsigned int vsrc, valpha, vmask, vdest;
+
+ vector unsigned int vmx_dst, vmx_dst_lo, vmx_dst_hi;
+ vector unsigned int vmx_mask, vmx_mask_lo, vmx_mask_hi;
+
+ src = _pixman_image_get_solid (imp, src_image, dest_image->bits.format);
+
+ if (src == 0)
+ return;
+
+ PIXMAN_IMAGE_GET_LINE (
+ dest_image, dest_x, dest_y, uint32_t, dst_stride, dst_line, 1);
+ PIXMAN_IMAGE_GET_LINE (
+ mask_image, mask_x, mask_y, uint32_t, mask_stride, mask_line, 1);
+
+ vsrc = unpacklo_128_16x8(create_mask_1x32_128 (&src),
+ (vector unsigned int) AVV(0));
+
+ valpha = expand_alpha_1x128(vsrc);
+
+ while (height--)
+ {
+ int w = width;
+ const uint32_t *pm = (uint32_t *)mask_line;
+ uint32_t *pd = (uint32_t *)dst_line;
+
+ dst_line += dst_stride;
+ mask_line += mask_stride;
+
+ while (w && (uintptr_t)pd & 15)
+ {
+ m = *pm++;
+
+ if (m)
+ {
+ d = *pd;
+ vmask = unpack_32_1x128(m);
+ vdest = unpack_32_1x128(d);
+
+ *pd = pack_1x128_32(in_over (vsrc, valpha, vmask, vdest));
+ }
+
+ pd++;
+ w--;
+ }
+
+ while (w >= 4)
+ {
+ /* pm is NOT necessarily 16-byte aligned */
+ vmx_mask = load_128_unaligned (pm);
+
+ pack_cmp = vec_all_eq(vmx_mask, (vector unsigned int) AVV(0));
+
+ /* if all bits in mask are zero, pack_cmp is not 0 */
+ if (pack_cmp == 0)
+ {
+ /* pd is 16-byte aligned */
+ vmx_dst = load_128_aligned (pd);
+
+ unpack_128_2x128 (vmx_mask, (vector unsigned int) AVV(0),
+ &vmx_mask_lo, &vmx_mask_hi);
+
+ unpack_128_2x128 (vmx_dst, (vector unsigned int) AVV(0),
+ &vmx_dst_lo, &vmx_dst_hi);
+
+ in_over_2x128 (&vsrc, &vsrc,
+ &valpha, &valpha,
+ &vmx_mask_lo, &vmx_mask_hi,
+ &vmx_dst_lo, &vmx_dst_hi);
+
+ save_128_aligned(pd, pack_2x128_128(vmx_dst_lo, vmx_dst_hi));
+ }
+
+ pd += 4;
+ pm += 4;
+ w -= 4;
+ }
+
+ while (w)
+ {
+ m = *pm++;
+
+ if (m)
+ {
+ d = *pd;
+ vmask = unpack_32_1x128(m);
+ vdest = unpack_32_1x128(d);
+
+ *pd = pack_1x128_32(in_over (vsrc, valpha, vmask, vdest));
+ }
+
+ pd++;
+ w--;
+ }
+ }
+}
+
+static void
vmx_composite_add_8_8 (pixman_implementation_t *imp,
pixman_composite_info_t *info)
{
@@ -2953,6 +3061,10 @@ static const pixman_fast_path_t vmx_fast_paths[] =
PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, null, x8r8g8b8,
vmx_composite_over_8888_8888),
PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, null, a8b8g8r8,
vmx_composite_over_8888_8888),
PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, null, x8b8g8r8,
vmx_composite_over_8888_8888),
+ PIXMAN_STD_FAST_PATH_CA (OVER, solid, a8r8g8b8, a8r8g8b8,
vmx_composite_over_n_8888_8888_ca),
+ PIXMAN_STD_FAST_PATH_CA (OVER, solid, a8r8g8b8, x8r8g8b8,
vmx_composite_over_n_8888_8888_ca),
+ PIXMAN_STD_FAST_PATH_CA (OVER, solid, a8b8g8r8, a8b8g8r8,
vmx_composite_over_n_8888_8888_ca),
+ PIXMAN_STD_FAST_PATH_CA (OVER, solid, a8b8g8r8, x8b8g8r8,
vmx_composite_over_n_8888_8888_ca),
PIXMAN_STD_FAST_PATH (OVER, x8r8g8b8, null, x8r8g8b8,
vmx_composite_copy_area),
PIXMAN_STD_FAST_PATH (OVER, x8b8g8r8, null, x8b8g8r8,
vmx_composite_copy_area),
--
2.4.3
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