On 1/31/2013 8:22 AM, [email protected] wrote: > How separate the analysis phase from the optimization based on the collected > data? How are the results of the PGO runs stored? Can the optimization part > be run independently? If yes would it be possible to collect the data through > other means, let's say by doing a x86-64 build or only statically building > modules? > Any crazy toolchain hacks like this are virtually unworkable. The internals of the PGO optimizer and data it uses are a black box. Without a doubt it would be less hassle to simply disable PGO than to try to hack around a deficient closed-source toolchain in this much detail.
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