Date: Sun, 21 Jun 2020 15:19:59 +0300 From: Yuri Pankov <yuripv@yuripv.dev> To: Michael Grimm <trashcan@ellael.org>, FreeBSD-STABLE Mailing List <freebsd-stable@freebsd.org> Subject: Re: Buildworld and buildkernel with very slow compilation, recently Message-ID: <1dcc9b3a-9d03-887c-3b21-e05820992a3c@yuripv.dev> In-Reply-To: <2D4CD117-99D0-4A03-8FBC-002CDFFE64F9@ellael.org>
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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.help
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