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README.md

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@@ -21,25 +21,26 @@ Matt Mahoney, Dmitry Shkarin, Eugene D. Shelwien, Florin Ghido, Grzegorz Ulacha
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Sac uses fp64 for many internal calculations. The change of compiler options or (cpu-)platform might effect the output. Use at your own risk and for testing purposes only.
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## Benchmarks
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**Sac v0.7.13**
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**Sac v0.7.18**
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16 files (44.1Khz, stereo) - 51.014.742 bytes - parallel on i7-13700H
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**Asymmetric encoding profiles** - bits per sample (bps) is mean bps over all files
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|Profile||Size|Enc-time|Dec-time|bps|
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|:-|-:|:-|:-|:-|:-|
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|FLAC -8|100.0%|29.793.060|00:00:00|00:00:00|9.385|
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|--normal|89.6%|26.692.524|00:00:32|00:00:27|8.401|
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|--high|89.2%|26.561.562|00:05:24|00:00:50|8.359|
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|--veryhigh|88.9%|26.499.219|00:31:06|00:00:57|8.337|
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|--best|88.7%|26.424.040|07:35:00|00:01:19|8.313|
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|--normal|89.6%|26.691.217|00:00:22|00:00:20|8.401|
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|--high|89.1%|26.546.317|00:03:42|00:00:50|8.352|
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|--veryhigh|88.9%|26.480.793|00:17:38|00:00:53|8.330|
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|--extrahigh|88.8%|26.453.344|00:48:46|00:00:52|8.322|
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|--best|88.6%|26.397.759|04:37:00|00:01:00|8.303|
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**Comparison with other lossless audio codecs**
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|Program|Parameters|Source|
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|:-|:-|:-|
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|Sac v0.7.13|--best|open|
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|Sac v0.7.18|--best|open|
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|OFR v5.100|--preset max|closed|
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|paq8px_v208fix1|-6|open|
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|MP4ALS RM23|-b -p -z3|open|
@@ -49,24 +50,24 @@ Sac uses fp64 for many internal calculations. The change of compiler options or
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Numbers are bits per sample (bps)
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| Name | Sac | OFR | paq8px | MP4ALS | MAC | FLAC |
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|:---|---:|---:|---:|---:|---:|---:|
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|ATrain|6.994|7.156|7.353|7.232|7.269|7.962|
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|BeautySlept|7.109|7.790|7.826|8.305|8.464|10.134|
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|ATrain|6.991|7.156|7.353|7.232|7.269|7.962|
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|BeautySlept|7.089|7.790|7.826|8.305|8.464|10.134|
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|chanchan|9.658|9.778|9.723|9.886|9.951|10.206|
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|death2|5.040|5.465|5.215|6.660|6.213|6.092|
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|experiencia|10.824|10.915|10.963|10.992|11.005|11.428|
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|female_speech|4.363|4.498|4.708|4.711|5.190|5.364|
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|FloorEssence|9.051|9.409|9.488|9.509|9.537|10.201|
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|ItCouldBeSweet|8.183|8.310|8.330|8.396|8.531|9.064|
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|Layla|9.467|9.571|9.725|9.691|9.783|10.415|
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|LifeShatters|10.751|10.808|10.868|10.836|10.838|11.194|
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|macabre|8.971|9.026|9.249|9.076|9.172|10.043|
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|male_speech|4.230|4.256|4.509|4.813|5.255|5.674|
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|SinceAlways|10.327|10.409|10.455|10.473|10.522|11.254|
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|thear1|11.364|11.400|11.474|11.425|11.451|11.783|
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|TomsDiner|6.990|7.108|7.057|7.268|7.432|8.572|
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|velvet|9.687|9.990|10.030|10.212|10.461|10.770|
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|*Mean*|**8.313**|8.493|8.561|8.718|8.817|9.385|
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|death2|5.036|5.465|5.215|6.660|6.213|6.092|
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|experiencia|10.825|10.915|10.963|10.992|11.005|11.428|
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|female_speech|4.356|4.498|4.708|4.711|5.190|5.364|
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|FloorEssence|9.034|9.409|9.488|9.509|9.537|10.201|
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|ItCouldBeSweet|8.182|8.310|8.330|8.396|8.531|9.064|
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|Layla|9.454|9.571|9.725|9.691|9.783|10.415|
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|LifeShatters|10.748|10.808|10.868|10.836|10.838|11.194|
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|macabre|8.968|9.026|9.249|9.076|9.172|10.043|
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|male_speech|4.229|4.256|4.509|4.813|5.255|5.674|
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|SinceAlways|10.329|10.409|10.455|10.473|10.522|11.254|
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|thear1|11.362|11.400|11.474|11.425|11.451|11.783|
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|TomsDiner|6.991|7.108|7.057|7.268|7.432|8.572|
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|velvet|9.595|9.990|10.030|10.212|10.461|10.770|
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|*Mean*|**8.303**|8.493|8.561|8.718|8.817|9.385|
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|||||||
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|Enc-time|07:35:00|00:00:09|00:05:37|00:00:15|00:00:01|00:00:00|
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|Dec-time|00:01:19|00:00:02|00:05:40|00:00:13|00:00:01|00:00:00|
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|Enc-time|04:37:00|00:00:09|00:05:37|00:00:15|00:00:01|00:00:00|
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|Dec-time|00:01:00|00:00:02|00:05:40|00:00:13|00:00:01|00:00:00|
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