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Date: Wed, 12 Nov 2014 22:48:16 +0900
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From: Masaru Oki <m-oki@stratosphere.co.jp>
To: Yaron Illouz <yaroni@radcom.com>
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Cc: "<dev@dpdk.org>" <dev@dpdk.org>
Subject: Re: [dpdk-dev] compile dpdk with no avx
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Hi,

Some libraries need AVX instruction, but if you don't use, it can disable.
  e.g. CONFIG_RTE_LIBRTE_IXGBE_PMD=n in config file.


2014-11-12 21:45 GMT+09:00 Yaron Illouz <yaroni@radcom.com>:
> Hi
>
>
>
> I use dpdk in my product. I can't change my dpdk version.
>
> I compile it on a server that have avx.
>
> Most of the time, it run on machine that have avx, but not always.
>
>
>
> When running the product on a machine with no avx, it crash on illegal
> instruction.
>
> The current solution is to build it on a computer with no avx.
>
>
>
> Is there a compilation flag to disable avx? So it doesn't matter on
> which computer I compiled it.
>
>
>
> Compile flag
>
> defconfig_x86_64-default-linuxapp-gcc
>
>
>
> Dpdk version
>
> PACKAGE_VERSION_MAJOR_NUMBER=1
>
> PACKAGE_VERSION_MINOR_NUMBER=6
>
> PACKAGE_VERSION_PATCH_NUMBER=0
>
> PACKAGE_VERSION_BUILD_NUMBER=18
>
>
>
> Gcc version
>
> gcc (GCC) 4.4.6 20120305 (Red Hat 4.4.6-4)
>
>
>
> OS
>
> CentOS release 6.3 (Final)
>
>
>
>
>
>
>
>
>