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3 Commits (d2cfcb80651b5d2d6180c145715e0a4dc01be583)

Author SHA1 Message Date
Klaus Post d2cfcb8065
Add commandline arg to disable asm for tests. (#116) 
* Add commandline test args
 2020-04-22 15:38:21 +02:00
Klaus Post 101092fa3b
Make AVX512 short tests (#114) 
Tests are timing out. Use shorter tests for -short.
 2020-01-18 14:50:31 +01:00
Frank Wessels 79aee05119 AVX512 accelerated version resulting in a 4x speed improvement over AVX2 (#91) 
The performance on AVX512 has been accelerated for Intel CPUs. This gives speedups on a per-core basis of up to 4x compared to AVX2 as can be seen in the following table:

```
$ benchcmp avx2.txt avx512.txt
benchmark                      AVX2 MB/s    AVX512 MB/s   speedup
BenchmarkEncode8x8x1M-72       1681.35      4125.64       2.45x
BenchmarkEncode8x4x8M-72       1529.36      5507.97       3.60x
BenchmarkEncode8x8x8M-72        791.16      2952.29       3.73x
BenchmarkEncode8x8x32M-72       573.26      2168.61       3.78x
BenchmarkEncode12x4x12M-72     1234.41      4912.37       3.98x
BenchmarkEncode16x4x16M-72     1189.59      5138.01       4.32x
BenchmarkEncode24x8x24M-72      690.68      2583.70       3.74x
BenchmarkEncode24x8x48M-72      674.20      2643.31       3.92x
```
 2019-02-10 11:17:23 +01:00