C/C++ using tcmalloc

Question

I've been trying to compile my application using tcmalloc. Therefore I append, as recommended in the usage instructions, -ltcmalloc to my compiler flags. After rerunning my application I could not see any performance differences.

How can I check if the calls to malloc have been replaced like the author of this question mentions. I had a look at the compiled assembler code but there were still calls to malloc.

Thanks in advance

score 2 · Accepted Answer · answered Mar 18 '15 at 12:52

2

The simplest way is to check if heap checker is working or not, by setting env HEAPCHECK, e.g. HEAPCHECK=normal

See https://gperftools.googlecode.com/git/doc/heap_checker.html for details

answered Mar 18 '15 at 12:52

Mine

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And if this results in `WARNING: Perftools heap leak checker is active -- Performance may suffer` everything works as expected? – aQuip Mar 18 '15 at 13:28
Yes, it means tcmalloc is being used. – Mine Mar 19 '15 at 03:21

C/C++ using tcmalloc

1 Answers1