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> It's also the type of compiler that defaults to -ffast-math to look good in benchmarks Not sure if they're still doing that, but in the early days of Clear L
by Twirrim 3y ago
> It's also the type of compiler that defaults to -ffast-math to look good in benchmarks
Not sure if they're still doing that, but in the early days of Clear Linux they were using -ffast-math on everything they compiled, as a way to give their distro a big performance boost over competition, too.
- stabbles 3y agoI think they do a lot of good stuff, like LTO and PGO. But in benchmarks you sometimes see like a 4x speedup compared to ubuntu, which is obviously not due to superior compilers. For example: https://github.com/phoronix-test-suite/phoronix-test-suite/issues/633 https://github.com/phoronix-test-suite/phoronix-test-suite/i...