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Re: Add a cooperative FS lock to lilypond-book. (issue 555360043 by addr

From: thomasmorley65
Subject: Re: Add a cooperative FS lock to lilypond-book. (issue 555360043 by address@hidden)
Date: Sat, 07 Mar 2020 07:08:24 -0800

On 2020/03/07 12:39:31, dak wrote:
> Han-Wen Nienhuys <mailto:address@hidden> writes:
> > On Fri, Mar 6, 2020 at 11:18 PM <mailto:address@hidden> wrote:
> >>
> >> Sigh.  I just noticed that opposed to the patch title, this does
> >> just introduce a file lock for lilypond-book but _also_ changes the
> >> build system such that now almost double the number of allocated
> >> get used.  It would be good if different topics weren't conflated
> >> single issues so that it's easier to discuss what one is actually
> >> dealing with and make decisions based on the respective merits of
> >> individual parts.
> >>
> >> "It doesn't actually work well as a job control measure in
> >> with parallel Make" should likely have been an indicator of what I
> >> thought I was talking about.
> >
> > Can you tell me what problem you are currently experiencing?
> Harm has a system with memory pressure.  That means that he so far has
> only been able to work with
> CPU_COUNT=2 make -j2 doc

  CPU_COUNT=3 make -j3 doc
is mostly no problem

> Since now lilypond-doc is no longer serialised, he'd need to reduce to
> CPU_COUNT=1 make -j2 doc
> or
> CPU_COUNT=2 make -j1 doc

Let me check, putting this patch on top of current master, right?
With guile-1 or guile-2?

I've little time atm, thus I'm not sure when I'm able to start

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