# BLAS thread count vs Julia thread count

**URL:** https://discourse.julialang.org/t/blas-thread-count-vs-julia-thread-count/57197
**Category:** General Usage
**Tags:** question, performance, linearalgebra
**Created:** [March 15, 2021, 3:44am UTC](https://discourse.julialang.org/t/blas-thread-count-vs-julia-thread-count/57197 "2021-03-15T03:44:19Z")
**Posts on this page:** 1
**Showing post:** 11

<div class="post-metadata">

### Author: ![mbauman](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/mbauman/32/31082_2.png) [@mbauman](https://discourse.julialang.org/u/mbauman)
#### Post date: [March 15, 2021, 2:24pm UTC](https://discourse.julialang.org/t/blas-thread-count-vs-julia-thread-count/57197/11 "2021-03-15T14:24:10Z")

</div>

It does max out at 8 though.

```julia
julia> BLAS.get_num_threads()
8

julia> Hwloc.num_physical_cores()
20

```

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