Michael Grimm wrote:
Hi,
I am following FreeBSD 12.1-STABLE.
Clang has been upgraded to version 10.0.0 on May, 1st, and ever since that
time, I do observe a dramatic increase in compilation times of building world,
kernel and ports. I didn't benchmark the exact times, but compilation times are
at least increased by a factor of 1.5. Nothing has changed of the last month
besides upgrading 12.1-Stable every other week.
Not seeing this after clang update to 10 on both stable/12 and head.
I'd check if you are excessively swapping now as (not sure about that,
just guessing) newer clang/llvm could consume more memory during
compilation, and possibly reducing the make jobs number.
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