On 12/1/2020 9:47 PM, Jeff King wrote: > Subject: [PATCH] t7900: speed up expensive test > > A test marked with EXPENSIVE creates two 2.5GB files and adds them to > the repository. This takes 194s to run on my machine, versus 2s when the > EXPENSIVE prereq isn't set. We can trim this down a bit by doing two > things: > > - use "git commit --quiet" to avoid spending time generating a diff > summary (this actually only helps for the second commit, but I've > added it here to both for consistency). This shaves off 8s. > > - set core.compression to 0. We know these files are full of random > bytes, and so won't compress (that's the point of the test!). > Spending cycles on zlib is pointless. This shaves off 122s. > > After this, my total time to run the script is 64s. That won't help > normal runs without GIT_TEST_LONG set, of course, but it's easy enough > to do. I'm happy with these easy fixes to make the test faster without changing any of the important behavior. Thanks! > Signed-off-by: Jeff King <peff@xxxxxxxx> > --- > t/t7900-maintenance.sh | 6 ++++-- > 1 file changed, 4 insertions(+), 2 deletions(-) > > diff --git a/t/t7900-maintenance.sh b/t/t7900-maintenance.sh > index d9e68bb2bf..d9a02df686 100755 > --- a/t/t7900-maintenance.sh > +++ b/t/t7900-maintenance.sh > @@ -239,13 +239,15 @@ test_expect_success 'incremental-repack task' ' > ' > > test_expect_success EXPENSIVE 'incremental-repack 2g limit' ' > + test_config core.compression 0 && > + > for i in $(test_seq 1 5) > do > test-tool genrandom foo$i $((512 * 1024 * 1024 + 1)) >>big || > return 1 > done && > git add big && > - git commit -m "Add big file (1)" && > + git commit -qm "Add big file (1)" && > > # ensure any possible loose objects are in a pack-file > git maintenance run --task=loose-objects && > @@ -257,7 +259,7 @@ test_expect_success EXPENSIVE 'incremental-repack 2g limit' ' > return 1 > done && > git add big && > - git commit -m "Add big file (2)" && > + git commit -qm "Add big file (2)" && > > # ensure any possible loose objects are in a pack-file > git maintenance run --task=loose-objects && >
