Hi On Fri, Sep 19, 2025 at 5:50 PM Daniel P. Berrangé <[email protected]> wrote:
> On Fri, Sep 19, 2025 at 05:32:56PM +0400, [email protected] > wrote: > > From: Marc-André Lureau <[email protected]> > > > > Running meson on each subproject is quite slow. > > Why is this faster ? Does it make meson do parallel downloads > if you list then all at once ? > It doesn't look like it does it in paralllel, yet it is x times faster... time sh -c 'for s in keycodemapdb libvfio-user berkeley-softfloat-3 berkeley-testfloat-3 anyhow-1-rs arbitrary-int-1-rs bilge-0.2-rs bilge-impl-0.2-rs either-1-rs foreign-0.3-rs itertools-0.11-rs libc-0.2-rs proc-macro2-1-rs proc-macro-error-1-rs proc-macro-error-attr-1-rs quote-1-rs syn-2-rs unicode-ident-1-rs; do meson subprojects download $s >/dev/null done' sh -c 5.27s user 0.33s system 99% cpu 5.613 total time sh -c 'meson subprojects download keycodemapdb libvfio-user berkeley-softfloat-3 berkeley-testfloat-3 anyhow-1-rs arbitrary-int-1-rs bilge-0.2-rs bilge-impl-0.2-rs either-1-rs foreign-0.3-rs itertools-0.11-rs libc-0.2-rs proc-macro2-1-rs proc-macro-error-1-rs proc-macro-error-attr-1-rs quote-1-rs syn-2-rs unicode-ident-1-rs' sh -c 0.32s user 0.01s system 99% cpu 0.339 total > > > > > Signed-off-by: Marc-André Lureau <[email protected]> > > --- > > scripts/archive-source.sh | 5 +++-- > > 1 file changed, 3 insertions(+), 2 deletions(-) > > > > diff --git a/scripts/archive-source.sh b/scripts/archive-source.sh > > index 035828c532..85cd0a63a0 100755 > > --- a/scripts/archive-source.sh > > +++ b/scripts/archive-source.sh > > @@ -77,9 +77,10 @@ function subproject_dir() { > > git archive --format tar "$(tree_ish)" > "$tar_file" > > test $? -ne 0 && error "failed to archive qemu" > > > > +meson subprojects download $subprojects > > +test $? -ne 0 && error "failed to download subprojects $subprojects" > > + > > for sp in $subprojects; do > > - meson subprojects download $sp > > - test $? -ne 0 && error "failed to download subproject $sp" > > tar --append --file "$tar_file" --exclude=.git > subprojects/"$(subproject_dir $sp)" > > test $? -ne 0 && error "failed to append subproject $sp to > $tar_file" > > done > > -- > > 2.51.0 > > > > With regards, > Daniel > -- > |: https://berrange.com -o- > https://www.flickr.com/photos/dberrange :| > |: https://libvirt.org -o- > https://fstop138.berrange.com :| > |: https://entangle-photo.org -o- > https://www.instagram.com/dberrange :| > >
