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On valgrind and tcmalloc
I already wrote about tcmalloc, and how it helped with memory fragmentation. This time had some experience with extended features - memory profiling and leak checker. With tcmalloc it is possible to get an overview as well as detailed reports of what areas of memory are allocated for what uses. Even more, it can detect and report any memory that leaked. Of course, valgrind does that too. With one slight difference:
- valgrind slows down applications 20-40 times (my tests ran 4s instead of 14ms)
- tcmalloc does not. Same 14ms.
I wrote some MySQL UDFs for profiling and heap checking management, so can extract per-thread single-test stuff. Will try to clean up and release. Would be shame not to.
Christopher Blizzard " Blog Archive " Firefox 3 beta 1
"Overy 300 memory leak fixes, the XPCOM Cycle Collector which removes an entire class of leaks, ongoing work on memory fragmentation, improvements to rendering performance and better reliability in preserving user data." - my #1 feature request
Improve Your Firefox Experience With These Little Known Tweaks
Make Firefox download web pages faster, reduce its memory leaks, recover accidentally closed tabs and more...
Problematic extensions - MozillaZine Knowledge Base
nsions will not install. Also occu
Get Firefox Memory Leaks Under Control
Who is in charge of your computer, you or Firefox? It really seems that Firefox has the reins when it begins to leak memory out the wahzoo. When its memory use climbs well over 100Mb, sometimes rising to over 200Mb, it is time to get it back under control
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