What are the best practices for using ccache?
To optimize build times with ccache, consider the following best practices: 1. Set a proper cache size, 2. Use ccache with a distributed build system, 3. Regularly clean the cache, and 4. Monitor cache hit rates.
How do I set the cache size?
You can set the cache size by using the command ccache -m <size>
where <size>
is the maximum size in bytes. For example, ccache -m 5G
sets the cache size to 5 gigabytes.
What should I do if my cache hit rate is low?
If your cache hit rate is low, consider checking your compiler flags, ensuring that the same compiler version is used, and verifying that the source files haven't changed significantly.
Can I use ccache with multiple projects?
Yes, ccache can be used with multiple projects. Just ensure that the cache is shared and that the projects use compatible compiler settings.
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