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Implement RleBpDecoder::next() using fast bitunpacking #3000

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Implement RleBpDecoder::next() using fast bitunpacking #3000

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9 changes: 5 additions & 4 deletions velox/dwio/common/BitPackDecoder.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -21,7 +21,7 @@ namespace facebook::velox::dwio::common {
using int128_t = __int128_t;

#if XSIMD_WITH_AVX2
// Bit unpacking using BMI2 and AVX2.

typedef int32_t __m256si __attribute__((__vector_size__(32), __may_alias__));

typedef int32_t __m256si_u
Expand Down Expand Up @@ -165,14 +165,15 @@ int32_t decode1To24(
return i;
}

} // namespace
#endif

#define WIDTH_CASE(width) \
case width: \
i = decode1To24<width>(bits, bitOffset, rows.data(), numSafeRows, result); \
break;

} // namespace

#endif

template <typename T>
void unpack(
const uint64_t* bits,
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