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## Benchmarks
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For the benchmarks I am using Windows 7 64bit on my Laptop which has the following Hardware:
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- Intel i7-3632QM, limited to 2,2GHz, 16GB RAM, disabled swap space
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- the compression benchmark is read / written to an 4 GiB [ImDisk]
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- the decompression benchmark is also done in RAM via: `7z t archiv.7z`
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- the tool for measuring the times is [wtime](https://github.com/mcmilk/wtime), together with some [scripts](https://github.com/mcmilk/7-Zip-Benchmarking)
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- the testfile is generated via [generate-mcorpus](https://github.com/mcmilk/7-Zip-Benchmarking/blob/master/generate-mcorpus)
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- please note, that the benchmarks are outdated now (new one will come, but it needs some time)
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For benchmarking, I started using the Linux binary `7zz` in 2026.
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The test system is an idle Dell PowerEdge R6615 with the following hardware:
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-**CPU:** AMD EPYC 9354P (32 cores)
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-**Memory:** 128 GB DDR5 (8x 16GB)
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-**OS:** AlmaLinux 9 (x86_64)
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For the tests, the [Silesia compression corpus](https://sun.aei.polsl.pl/~sdeor/index.php?page=silesia) is used.
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Compression tests are performed by running a single-threaded compression for each method: `7z a test.7z -mmt=1 -m0=MethodX`.
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Decompression is tested on the freshly created archive using: `7z t test.7z`.
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Memory usage and execution times are measured using a [modified GNU time](https://github.com/mcmilk/7-Zip-Benchmarking/blob/master/linux/time-1.9.tr.diff).
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The benchmarks themselves are executed via a [shell script](https://github.com/mcmilk/7-Zip-Benchmarking/blob/master/linux/runtests.sh).
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Results:
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