Move source/matrix_free up in build order #15413
Merged
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When compiling with a moderate number of threads, say between 10 and 30, the files taking a long time to compile inside the
source/matrix_free
can lead to a loss of parallelism when invoked towards the end of the build. These were initially added rather recently before the 9.3 release with dc4efca. This PR makes sure that thematrix_free
folder is among the first targets, making sure the long-running tasks get started early enough. (This is formake
;ninja
likely does this on its own.)