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ADMS

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1503.17 (323,938th) 		Reputation
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Title Δ
How to measure the elapsead time below nanosecond for x86? +4.34
How to count number of avx and avx2 instruction set +4.06
Why O3 optimization does not improve the performance when using flo... +4.06
What does +-# after percent of cache misses mean in perf stat? -3.51
Why gcc compile _mm256_permute2f128_ps to Vinsertf128 instruction? -1.84
Why the speedup is lower than expected by using AVX2? -3.94