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by lbenes
2953 days ago
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> GNU Make, just using hashes instead of timestamps Sounds like you're describing make on a system with ccashe installed. Hashing incurs a significant performance hit. The first build with ccashe is 20% slower than building without it[1]. Your modern make would likely be slower for people who just build something from source once and aren't doing incremental development. https://ccache.samba.org/performance.html |
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Did you consider that it could be other things with ccache that makes it slow? E.g., the need to fully expand C headers and turn it into a text stream (NOT needed for a build tool).
Everything with git is lightning fast including operations that require a full directory tree diff / hash.