Outside of linking, if you compile 4 files on 4 cores you get a near 4 times speedup.
Compiling 1 file 2.52 times faster doesn't sound so promising, if those 4 cores could otherwise give you a larger speedup?
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Parallelizing GCC's Internals Continues To Be Worked On & Showing Promising Potential
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Originally posted by jacob View Post1.6x speedup is something that users will certainly notice. This is great news; compilation speed is one area where GCC has always been lagging behind Clang.
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Originally posted by jacob View Post1.6x speedup is something that users will certainly notice. This is great news; compilation speed is one area where GCC has always been lagging behind Clang.
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Welcome in the multi-core world, GCC. I don't know if I should rant about software not making good use of already available hardware ressources or compliment the GSoC developer to do something meaningful for a lot of people with his project which should have been done by more seasoned GCC developers in the first place a long time ago. I guess I should do both. So congrats on this achievement!
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1.6x speedup is something that users will certainly notice. This is great news; compilation speed is one area where GCC has always been lagging behind Clang.
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Parallelizing GCC's Internals Continues To Be Worked On & Showing Promising Potential
Phoronix: Parallelizing GCC's Internals Continues To Be Worked On & Showing Promising Potential
One of the most interesting Google Summer of Code projects this year was the student effort to work on better parallelizing GCC's internals to deal with better performance particularly when dealing with very large source files. Fortunately -- given today's desktop CPUs even ramping up their core counts -- this parallel GCC effort is being continued...
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