[Rpm-maint] [rpm-software-management/rpm] Does not the rpmbuild command execute (de)compression of files in parallel? (#113)
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Fri Feb 17 11:51:08 UTC 2017
I've yet to see any evidence that parallel *decompression* speeds up anything at all. In fact, that none of the p* variants implement that seems to suggest it doesn't. So speculating on how to best change the macros to use the parallel versions is totally moot because they're only used for decompression.
As for parallel compression, we already have that for XZ which is the most widely used format by distros these days since it offers the best compression. Switching to XZ as upstream default could be discussed (in a separate ticket/PR) but enabling parallel compression by default is not going to happen because it's a tradeoff to the worse in many common usecases.
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