Performance Engineering: Being Friendly to Your Hardware*>(dst + size - 16), _mm_loadu_si128(reinterpret_cast(src + size - 16))); Factual Clickhouse implementation as an exampleExample – memcpy: handcrafted 88 void *memcpy_ch(void * __restrict __m128i*>(src) + 6); c7 = _mm_loadu_si128(reinterpret_cast (src) + 7); src += 128; Factual Clickhouse implementation as an exampleExample – memcpy: handcrafted 89 void *memcpy_ch(void * __restrict return ret; } Factual Clickhouse implementation as an exampleExample – memcpy: handcrafted 90 Re-autovectorized, loops unrolled Still predominantly unaligned Factual Clickhouse implementation as an 0 码力 | 111 页 | 2.23 MB | 6 月前3
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