dualfroz/kelindar-bitmap
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Upstream kelindar/bitmap state of the touched files before 7c356f442d

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upstream committed 2026-09-23 13:30:32 +02:00
1 parent 666c48ccf8
commit 58b05bdfdd
4 files changed
+12 -139
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bitmap_amd64.go
+8 -28
View File
@@ -83,26 +83,16 @@ func (dst *Bitmap) Or(other Bitmap, extra ...Bitmap) {
case 0:
_or(unsafe.Pointer(&(*dst)[0]), unsafe.Pointer(&other[0]), uint64(len(other)))
default:
// _or_many applies one word count to every input, so it only fits
// sources that share a length; ragged ones are folded in one by one.
if n := uniformLen(other, extra); n > 0 {
vx, _ := pointersOf(other, extra)
_or_many(unsafe.Pointer(&(*dst)[0]), vx, dimensionsOf(n, len(extra)+1))
} else {
foldEach(dst, _or, other, extra)
}
vx, max := pointersOf(other, extra)
_or_many(unsafe.Pointer(&(*dst)[0]), vx, dimensionsOf(max, len(extra)+1))
}
case isAVX512:
switch len(extra) {
case 0:
_or_avx512(unsafe.Pointer(&(*dst)[0]), unsafe.Pointer(&other[0]), uint64(len(other)))
default:
if n := uniformLen(other, extra); n > 0 {
vx, _ := pointersOf(other, extra)
_or_many_avx512(unsafe.Pointer(&(*dst)[0]), vx, dimensionsOf(n, len(extra)+1))
} else {
foldEach(dst, _or_avx512, other, extra)
}
vx, max := pointersOf(other, extra)
_or_many_avx512(unsafe.Pointer(&(*dst)[0]), vx, dimensionsOf(max, len(extra)+1))
}
default:
or(*dst, other, extra)
@@ -123,26 +113,16 @@ func (dst *Bitmap) Xor(other Bitmap, extra ...Bitmap) {
case 0:
_xor(unsafe.Pointer(&(*dst)[0]), unsafe.Pointer(&other[0]), uint64(len(other)))
default:
// _xor_many applies one word count to every input, so it only fits
// sources that share a length; ragged ones are folded in one by one.
if n := uniformLen(other, extra); n > 0 {
vx, _ := pointersOf(other, extra)
_xor_many(unsafe.Pointer(&(*dst)[0]), vx, dimensionsOf(n, len(extra)+1))
} else {
foldEach(dst, _xor, other, extra)
}
vx, max := pointersOf(other, extra)
_xor_many(unsafe.Pointer(&(*dst)[0]), vx, dimensionsOf(max, len(extra)+1))
}
case isAVX512:
switch len(extra) {
case 0:
_xor_avx512(unsafe.Pointer(&(*dst)[0]), unsafe.Pointer(&other[0]), uint64(len(other)))
default:
if n := uniformLen(other, extra); n > 0 {
vx, _ := pointersOf(other, extra)
_xor_many_avx512(unsafe.Pointer(&(*dst)[0]), vx, dimensionsOf(n, len(extra)+1))
} else {
foldEach(dst, _xor_avx512, other, extra)
}
vx, max := pointersOf(other, extra)
_xor_many_avx512(unsafe.Pointer(&(*dst)[0]), vx, dimensionsOf(max, len(extra)+1))
}
default:
xor(*dst, other, extra)