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Our contrib build graph was already expressed in contrib/Makefile, so ASDF wasn't doing anything to determine an execution schedule. The new make-contrib.lisp script can parse '.asd' files more-or-less as-is, removing ASDF from the critical path. With blocklist=sb-simd, this change decreased the time in parallelized make-target-contrib to under 5 seconds for me (down from >10) when run on as many cores as there are contrib dirs. All defsystems are treated as if containing ":serial t", and there are two invented keywords to bind/assign special variables around compilation. We still install '.asd' files in $SBCL_HOME/contrib, and build uiop and asdf so there should be no observable difference to users. |
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| rt.lisp | ||
| sb-rt.asd | ||