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5 to 10 times speedup in common compilations with ccache

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发表于 2007-11-6 03:16:11 | 显示全部楼层 |阅读模式

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http://ccache.samba.org/
ccache is a compiler cache. It acts as a caching pre-processor to C/C++ compilers, using the -E compiler switch and a hash to detect when a compilation can be satisfied from cache. This often results in a 5 to 10 times speedup in common compilations.
how to use it. Add ccache to Makefile
CC       = ccache gcc
CXX      = ccache g++
in makefile
If you have multi-core CPU, compile with
    make -j 4 (if you 2 cores)
    make -j 6 (if you have 4 cores)
It can speed-up a lot
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