# Its possible to use all cores or parallel cores to do some project/calculations?

**URL:** <https://discourse.julialang.org/t/its-possible-to-use-all-cores-or-parallel-cores-to-do-some-project-calculations/46639>\
**Category:** Performance\
**Created:** [September 15, 2020, 2:17pm UTC](https://discourse.julialang.org/t/its-possible-to-use-all-cores-or-parallel-cores-to-do-some-project-calculations/46639 "2020-09-15T14:17:07Z")\
**Posts on this page:** 2\
**Page:** 3

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**Author:** ![Lucas\_Pollito](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/lucas_pollito/32/14518_2.png) [@Lucas\_Pollito](https://discourse.julialang.org/u/Lucas_Pollito)\
**Post date:** [September 19, 2020, 1:03am UTC](https://discourse.julialang.org/t/its-possible-to-use-all-cores-or-parallel-cores-to-do-some-project-calculations/46639/41 "2020-09-19T01:03:36Z")

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I am testing … but for one calculation, the old code takes 350 minutes … the new code, using fastmath and threads, take only 10 minutes.  
Thanks a lot … tell your e-mail for me …

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**Author:** ![leaoshark](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/leaoshark/32/11462_2.png) [@leaoshark](https://discourse.julialang.org/u/leaoshark)\
**Post date:** [September 19, 2020, 4:05pm UTC](https://discourse.julialang.org/t/its-possible-to-use-all-cores-or-parallel-cores-to-do-some-project-calculations/46639/42 "2020-09-19T16:05:58Z")

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i have some problems in array, vector or the interpolate fuction  
can you again help me with:

[https://discourse.julialang.org/t/problem-to-created-a-plot-because-interpolate-are-using-vector-or-error-in-dimensions/46919](https://discourse.julialang.org/t/problem-to-created-a-plot-because-interpolate-are-using-vector-or-error-in-dimensions/46919)

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