Bug#1051801: document DEB_BUILD_OPTIONS value nopgo
On Mon, Sep 11, 2023 at 09:25:11AM +0200, Helmut Grohne wrote:
> Package: debian-policy
> Version: 4.6.2.0
> Severity: wishlist
> X-Debbugs-Cc: debian-cross@lists.debian.org,rb-general@lists.reproducible-builds.org
>
> Hi,
>
> more and more packages implement a technique called profile guided
> optimization. The general idea is that it performs a build that is
> instrumented for profiling first. It then runs a reasonable workload to
> collect profiling data, which in turn is used to guide the optimizer of
> a second build which is not thus instrumented. The idea is that this
> second build probably is faster than a regular build.
Hi!
Is it possible to save the profile data to reperform the second build later ?
Cheers,
--
Bill. <ballombe@debian.org>
Imagine a large red swirl here.
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