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Minor performance improvement in binary fuse build #53

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RaduBerinde wants to merge 1 commit into from
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Minor performance improvement in binary fuse build #53

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12 changes: 6 additions & 6 deletions binaryfusefilter.go
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Original file line number Diff line number Diff line change
Expand Up @@ -206,12 +206,12 @@ func buildBinaryFuse[T Unsigned](b *BinaryFuseBuilder, keys []uint64) (_ BinaryF

index1, index2, index3 := filter.getHashFromHash(hash)

h012[1] = index2
h012[2] = index3
h012[3] = index1
h012[4] = h012[1]
// We set h012[i] = []uint32{index1, index2, index3}[(found+1)%3]
h012[0] = index2
h012[1] = index3
h012[2] = index1

other_index1 := h012[found+1]
other_index1 := h012[found]
alone[Qsize] = other_index1
if (t2count[other_index1] >> 2) == 2 {
Qsize++
Expand All @@ -220,7 +220,7 @@ func buildBinaryFuse[T Unsigned](b *BinaryFuseBuilder, keys []uint64) (_ BinaryF
t2count[other_index1] ^= filter.mod3(found + 1) // could use this instead: tabmod3[found+1]
t2hash[other_index1] ^= hash

other_index2 := h012[found+2]
other_index2 := index1 ^ index2 ^ index3 ^ index ^ other_index1
alone[Qsize] = other_index2
if (t2count[other_index2] >> 2) == 2 {
Qsize++
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