[edk2-devel] [PATCH] OvmfPkg: enable multiprocessor builds when using build.sh

[rebecca at bsdio.com]

On 2019-07-21 18:58, rebecca at bsdio.com wrote:
> When building both BaseTools and OvmfPkg, enable multiprocessor builds,
> using up to the number of cores available in the system. This can
> drastically reduce build times.
> For example, on a modern ThreadRipper system the
> time required to build decreases from 3 minutes to 1 minute.
>
> Signed-off-by: Rebecca Cran <rebecca at bsdio.com>
> ---
>  OvmfPkg/build.sh | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/OvmfPkg/build.sh b/OvmfPkg/build.sh
> index 4fcbdd2bc9..5d3a672bd2 100755
> --- a/OvmfPkg/build.sh
> +++ b/OvmfPkg/build.sh
> @@ -40,7 +40,7 @@ ARCH_X64=no
>  BUILDTARGET=DEBUG
>  BUILD_OPTIONS=
>  PLATFORMFILE=
> -THREADNUMBER=1
> +THREADNUMBER=$(getconf _NPROCESSORS_ONLN)
>  LAST_ARG=
>  RUN_QEMU=no
>  ENABLE_FLASH=no


I tested this on Linux (KUbuntu 18.10), macOS Mojave and FreeBSD
13-CURRENT. All of those support "getconf _NPROCESSORS_ONLN".


-- 
Rebecca Cran


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