# Calling FFTW on other processes resulting ProcessExitException()

**URL:** <https://discourse.julialang.org/t/calling-fftw-on-other-processes-resulting-processexitexception/14798>\
**Category:** General Usage\
**Tags:** question, fftw, distributed\
**Created:** [September 11, 2018, 4:30am UTC](https://discourse.julialang.org/t/calling-fftw-on-other-processes-resulting-processexitexception/14798 "2018-09-11T04:30:33Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![stevengj](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/stevengj/32/71_2.png) [@stevengj](https://discourse.julialang.org/u/stevengj)\
**Post date:** [September 11, 2018, 11:06am UTC](https://discourse.julialang.org/t/calling-fftw-on-other-processes-resulting-processexitexception/14798/2 "2018-09-11T11:06:58Z")

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> [@shipengcheng1230](#):
>
> how may I call FFT other than on master processes?

> [@FFTW with @parallel seg faults](https://discourse.julialang.org/t/fftw-with-parallel-seg-faults/10590/2):
>
> You have to create the plan on every worker; there’s no way to send an FFTW plan over the network. (Would be better if this gave a sensible error rather than segfaulting. Maybe if it threw an error during serialization, or serialized to an object that threw an error?)

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