MyouProject/pixie
2
0
Fork 0
Code Issues Pull requests Actions Packages Projects Releases Wiki Activity

faster

Browse source
This commit is contained in:
Ryan Oldenburg 2022-07-27 00:18:49 -05:00
parent 06cc48267c
commit bf15e44b4f
1 changed files with 3 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
src/pixie/simd/sse2.nim
View file

@ -386,10 +386,9 @@ proc minifyBy2Sse2*(image: Image, power = 1): Image {.simd.} =
# index 0 and 2 so mask the others out and shift 0 and 2 into
# position and store
masked = mm_and_si128(merged, mergedMask)
mm_storeu_si128(
result.data[result.dataIndex(x, y)].addr,
mm_shuffle_epi32(masked, MM_SHUFFLE(3, 3, 2, 0))
)
shuffled = mm_shuffle_epi32(masked, MM_SHUFFLE(3, 3, 2, 0))
lower = mm_cvtsi128_si64(shuffled)
copyMem(result.data[result.dataIndex(x, y)].addr, lower.unsafeAddr, 8)
x += 2
for x in x ..< resultEvenWidth: