# Benchmarking lapack/blas libraries and compilers with nix

**URL:** https://discourse.nixos.org/t/benchmarking-lapack-blas-libraries-and-compilers-with-nix/1176
**Category:** Help
**Created:** [October 18, 2018, 4:58pm UTC](https://discourse.nixos.org/t/benchmarking-lapack-blas-libraries-and-compilers-with-nix/1176 "2018-10-18T16:58:01Z")
**Posts on this page:** 1
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### Author: ![costrouc](https://discourse.nixos.org/user_avatar/discourse.nixos.org/costrouc/32/367_2.png) [@costrouc](https://discourse.nixos.org/u/costrouc)
#### Post date: [October 18, 2018, 7:43pm UTC](https://discourse.nixos.org/t/benchmarking-lapack-blas-libraries-and-compilers-with-nix/1176/3 "2018-10-18T19:43:14Z")

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Those are great ideas. I did not know how to override the compiler and that looks very simple. Once I get it working I plan to benchmark `numpy` with different linear algebra libraries. Currently I am wanting to get [`mkl` working with `numpy`](https://github.com/NixOS/nixpkgs/pull/48676).

I will probably create a benchmark derivation that can form a matrix of the possible combinations. Nix seems like a perfect platform for these types of tests.

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