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On Nov 3 07:59, Jim Reisert AD1C wrote: > In another thread, I wrote (and Corinna replied): > > >> I have tried 64-bit Cygwin in the past. I do a lot of file I/O and > >> sorting/searching on largish test-based data sets, and 64-bit was > >> noticeably slower than 32-bit Cygwin, > > > > Hmm, I usually have the opposite impression... > > I'm using malloc/calloc, is there a different memory allocator I > should be using for Cygwin64? There is none. While Cygwin's malloc is slow in multi-threading scenarios due to dumb locking (which I really hope to fix at one point), it shouldn't be any slower on 64 bit compared to 32 bit. Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Maintainer cygwin AT cygwin DOT com Red Hat
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