Laszlo: Yes. We will analyze cProfile data and optimize the parse logic.
Thanks Liming >-----Original Message----- >From: Laszlo Ersek [mailto:[email protected]] >Sent: Wednesday, May 31, 2017 7:21 PM >To: Gao, Liming <[email protected]>; [email protected] >Cc: Kinney, Michael D <[email protected]> >Subject: Re: [edk2] [edk2-staging/BaseToolsOpt]: Add new branch >BaseToolsOpt > >On 05/31/17 06:57, Gao, Liming wrote: >> Hi All, >> I would like to add new branch BaseToolsOpt in edk2-staging for BaseTools >build performance optimization. Here is its Readme.MD. Please help review. >> >> Readme.MD: >> This branch is used to optimize BaseTools build performance. It bases on >edk2 repo UDK2017 branch. >> >> The branch owner: >> Gao, Liming <[email protected]> >> Zhu, Yonghong <[email protected]> >> >> ## Feature Introduction >> BaseTools supports more and more features. They will take more build time. >To reduce build overhead, some points have been >> identified to be optimized. POC code will be added in this branch for >evaluation. >> 1) Enable the multiple thread in GenFds phase. >> 2) Support to merge multiple drivers into one. It should save the link time. >But, it doesn't save much in the multiple build. >> Besides, this feature can save the image size when the image is not >compressed, such as PEI images. >> 3) Reduce the extra copy actions in build process. >> 4) Analyze cProfile data and enhance the parser logic. >https://bugzilla.tianocore.org/show_bug.cgi?id=42 >> >> ## Timeline >> Target for 2017 Q3 >> >> ### NOTES >> Most changes in this branch are BaseTools. To apply them, user needs to run >BaseTools >> from sources. In Linux, BaseTools run from source. In Windows, BaseTools >can run from source. And, Reconfig option is also >> required to apply new config settings in BaseTools\Conf. The step is like >below: >> 1. enter into edk2 >> 2. set PYTHON_HOME=C:\Python27 >> 3. type edksetup.bat --nt32 Reconfig >> 4. nmake -f BaseTools\Makefile >> 5. type build command to build platform. > >This looks very valuable to me. > >Another spot where "build" spends quite a bit of time is the initial >metadata parsing. Perhaps there are some gains to be made there. I guess >the profile data referenced under point (4) above, and in BZ#42, will >help analyze that step. > >Thanks! >Laszlo _______________________________________________ edk2-devel mailing list [email protected] https://lists.01.org/mailman/listinfo/edk2-devel

