The GNU make parallel jobs flgs (-j or --jobs) can significantly (~30%) improve the edk2 build time in Linux. This patch enable the GNU make parallel jobs by default. Below the OVMF test result on GCC5 and CLANGPDB toolchains:
GCC5 build without patch: jshi19@ub2-uefi-b01:~/wksp_efi/edk2-2$ time build -p OvmfPkg/OvmfPkgIa32X64.dsc -a IA32 -a X64 -t GCC5 -DSECURE_BOOT_ENABLE=TRUE real 0m58.784s user 5m18.820s sys 0m46.337s GCC5 build with patch: jshi19@ub2-uefi-b01:~/wksp_efi/edk2-2$ time build -p OvmfPkg/OvmfPkgIa32X64.dsc -a IA32 -a X64 -t GCC5 -DSECURE_BOOT_ENABLE=TRUE real 0m41.547s user 5m23.617s sys 0m47.397s GCC5 build time improved by +29% CLANGPDB build without patch: jshi19@ub2-uefi-b01:~/wksp_efi/edk2-2$ time build -p OvmfPkg/OvmfPkgIa32X64.dsc -a IA32 -a X64 -t CLANGPDB -DSECURE_BOOT_ENABLE=TRUE real 1m4.162s user 4m15.025s sys 0m30.480s CLANGPDB build with patch: jshi19@ub2-uefi-b01:~/wksp_efi/edk2-2$ time build -p OvmfPkg/OvmfPkgIa32X64.dsc -a IA32 -a X64 -t CLANGPDB -DSECURE_BOOT_ENABLE=TRUE real 0m31.307s user 4m21.952s sys 0m30.641s CLANGPDB build time improved by +51% Steven Shi (1): BaseTools: Enable GNU make parallel jobs by default BaseTools/Conf/tools_def.template | 4 ++++ BaseTools/Source/Python/AutoGen/GenMake.py | 5 +++-- BaseTools/Source/Python/AutoGen/PlatformAutoGen.py | 12 +++++++++++- 3 files changed, 18 insertions(+), 3 deletions(-) -- 2.22.0.windows.1 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#85757): https://edk2.groups.io/g/devel/message/85757 Mute This Topic: https://groups.io/mt/88484952/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
