On 4/22/21 9:58 PM, Eugene Rozenfeld via Gcc wrote: > GCC documentation for AutoFDO points to create_gcov tool that converts > perf.data file into gcov format that can be consumed by gcc with > -fauto-profile (https://gcc.gnu.org/onlinedocs/gcc/Optimize-Options.html, > https://gcc.gnu.org/wiki/AutoFDO/Tutorial). > > I noticed that the source code for create_gcov has been deleted from > https://github.com/google/autofdo on April 7. I asked about that change in > that repo and got the following reply: > > https://github.com/google/autofdo/pull/107#issuecomment-819108738 > > "Actually we didn't use create_gcov and havn't updated create_gcov for years, > and we also didn't have enough tests to guarantee it works (It was gcc-4.8 > when we used and verified create_gcov). If you need it, it is welcomed to > update create_gcov and add it to the respository." > > Does this mean that AutoFDO is currently dead in gcc?
Hello. Yes. I know that even basic test cases have been broken for years in the GCC. It's new to me that create_gcov was removed. I tend to send patch to GCC that will remove AutoFDO from GCC. I known Bin spent some time working on AutoFDO, has he came up to something? Martin > > Thanks, > > Eugene >
