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dbms: Server: performance optimizations. [#METR-15210]

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This commit is contained in:
Alexey Arno 2015-05-20 17:00:40 +03:00
parent 903a498ffb
commit 793d1accfc
1 changed files with 4 additions and 14 deletions
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18
dbms/include/DB/Functions/FunctionsRound.h
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@ -113,16 +113,11 @@ namespace DB
static inline void compute(const Data & in, const Scale & mm_scale, Data & out)
{
Float32 input[4] __attribute__((aligned(16))) = {in[0], in[1], in[2], in[3]};
__m128 mm_value = _mm_load_ps(input);
__m128 mm_value = _mm_loadu_ps(reinterpret_cast<const Float32 *>(&in));
mm_value = _mm_mul_ps(mm_value, mm_scale);
mm_value = _mm_round_ps(mm_value, rounding_mode);
mm_value = _mm_div_ps(mm_value, mm_scale);
Float32 res[4] __attribute__((aligned(16)));
_mm_store_ps(res, mm_value);
out = {res[0], res[1], res[2], res[3]};
_mm_storeu_ps(reinterpret_cast<Float32 *>(&out), mm_value);
}
};
@ -140,16 +135,11 @@ namespace DB
static inline void compute(const Data & in, const Scale & mm_scale, Data & out)
{
Float64 input[2] __attribute__((aligned(16))) = { in[0], in[1] };
__m128d mm_value = _mm_load_pd(input);
__m128d mm_value = _mm_loadu_pd(reinterpret_cast<const Float64 *>(&in));
mm_value = _mm_mul_pd(mm_value, mm_scale);
mm_value = _mm_round_pd(mm_value, rounding_mode);
mm_value = _mm_div_pd(mm_value, mm_scale);
Float64 res[2] __attribute__((aligned(16)));
_mm_store_pd(res, mm_value);
out = {res[0], res[1]};
_mm_storeu_pd(reinterpret_cast<Float64 *>(&out), mm_value);
}
};