# Ideal number of BLAS threads

**URL:** <https://discourse.julialang.org/t/ideal-number-of-blas-threads/79197>\
**Category:** General Usage\
**Tags:** blas, multithreading, linearalgebra\
**Created:** [April 7, 2022, 10:30pm UTC](https://discourse.julialang.org/t/ideal-number-of-blas-threads/79197 "2022-04-07T22:30:16Z")\
**Posts on this page:** 1\
**Showing post:** 3

<div class="post-metadata">

**Author:** ![photor](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/photor/32/14343_2.png) [@photor](https://discourse.julialang.org/u/photor)\
**Post date:** [April 8, 2022, 3:49am UTC](https://discourse.julialang.org/t/ideal-number-of-blas-threads/79197/3 "2022-04-08T03:49:04Z")

</div>

Just use

```julia
julia -t (number of physical cores)

```

to start julia for Octavian.jl

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