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Hi Steven- Nice, but will this not break Windows? From an initial glance over your patch, it seems to assume the existence of mmap() in some form or other. Alistair On 8 Aug 2010, at 03:05, Steven Noonan wrote: > Hi folks, > > I've been doing work on memory reduction in Unladen Swallow, and > during testing, LiveRanges seemed to be consuming one of the largest > chunks of

Hi folks, I've been doing work on memory reduction in Unladen Swallow, and during testing, LiveRanges seemed to be consuming one of the largest chunks of memory. I wrote a replacement allocator for use by BumpPtrAllocator which uses mmap()/munmap() in place of malloc()/free(). It has worked flawlessly in testing, and reduces memory usage quite nicely in Unladen Swallow. The code is available