Linked by ebasconp on Fri 10th Jun 2011 22:22 UTC
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Member since:
2010-03-08
Thanks for the clarification.
I think I can understand the rationale behind that decision : loop unrolling sounds like a rather costly optimization if mindlessly applied to all loops without PGO coming into play. But in this case, where PGO is not used, it indeed reduces the performance of the GCC binary.