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refactor: opt simd perf.

This commit is contained in:
Haojun Liao 2023-11-27 14:59:12 +08:00
parent e6a024bcb1
commit 2bf4382968
1 changed files with 4 additions and 4 deletions
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8
source/util/src/tdecompress.c
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@ -299,10 +299,10 @@ int32_t tsDecompressTimestampAvx2(const char *const input, const int32_t nelemen
_mm_storeu_si128((__m128i *)&ostream[opos], val);
// keep the previous value
prevVal = _mm_set1_epi64x(val[1]);
prevVal = _mm_shuffle_epi32 (val, 0xEE);
// keep the previous delta of delta, for the first item
prevDelta = _mm_set1_epi64x(deltaOfDelta[1]);
prevDelta = _mm_shuffle_epi32(deltaOfDelta, 0xEE);
opos += 2;
ipos += nbytes1 + nbytes2;
@ -354,11 +354,11 @@ int32_t tsDecompressTimestampAvx2(const char *const input, const int32_t nelemen
_mm_storeu_si128((__m128i *)&ostream[opos], val);
// keep the previous value
prevVal = _mm_set1_epi64x(val[1]);
prevVal = _mm_shuffle_epi32 (val, 0xEE);
// keep the previous delta of delta
__m128i delta = _mm_add_epi64(_mm_slli_si128(deltaOfDelta, 8), deltaOfDelta);
prevDelta = _mm_set1_epi64x(_mm_add_epi64(delta, prevDelta)[1]);
prevDelta = _mm_shuffle_epi32(_mm_add_epi64(delta, prevDelta), 0xEE);
opos += 2;
ipos += nbytes1 + nbytes2;