> I'm doing some tests comparing the performance of 32 and 64 versions of my > code and surprisingly, the 64 version is much slower. My code basically > compute tons of shortest paths. Is that reasonable for you? No, it isn't, but I have no idea why it could happen -- I think that the performance should not be wildly different. If you can send us a small self-contained benchmark code that we could compile and execute on 32-bit and 64-bit platforms as well, I could take a closer look at it to see if there's some obvious bottleneck.
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