| 1 | # Helper functions for testing bitmap performance; see p5310. |
| 2 | |
| 3 | test_full_bitmap () { |
| 4 | test_perf 'simulated clone' ' |
| 5 | git pack-objects --stdout --all </dev/null >/dev/null |
| 6 | ' |
| 7 | |
| 8 | test_perf 'simulated fetch' ' |
| 9 | have=$(git rev-list HEAD~100 -1) && |
| 10 | { |
| 11 | echo HEAD && |
| 12 | echo ^$have |
| 13 | } | git pack-objects --revs --stdout >/dev/null |
| 14 | ' |
| 15 | |
| 16 | test_perf 'pack to file (bitmap)' ' |
| 17 | git pack-objects --use-bitmap-index --all pack1b </dev/null >/dev/null |
| 18 | ' |
| 19 | |
| 20 | test_perf 'rev-list (commits)' ' |
| 21 | git rev-list --all --use-bitmap-index >/dev/null |
| 22 | ' |
| 23 | |
| 24 | test_perf 'rev-list (objects)' ' |
| 25 | git rev-list --all --use-bitmap-index --objects >/dev/null |
| 26 | ' |
| 27 | |
| 28 | test_perf 'rev-list with tag negated via --not --all (objects)' ' |
| 29 | git rev-list perf-tag --not --all --use-bitmap-index --objects >/dev/null |
| 30 | ' |
| 31 | |
| 32 | test_perf 'rev-list with negative tag (objects)' ' |
| 33 | git rev-list HEAD --not perf-tag --use-bitmap-index --objects >/dev/null |
| 34 | ' |
| 35 | |
| 36 | test_perf 'rev-list count with blob:none' ' |
| 37 | git rev-list --use-bitmap-index --count --objects --all \ |
| 38 | --filter=blob:none >/dev/null |
| 39 | ' |
| 40 | |
| 41 | test_perf 'rev-list count with blob:limit=1k' ' |
| 42 | git rev-list --use-bitmap-index --count --objects --all \ |
| 43 | --filter=blob:limit=1k >/dev/null |
| 44 | ' |
| 45 | |
| 46 | test_perf 'rev-list count with tree:0' ' |
| 47 | git rev-list --use-bitmap-index --count --objects --all \ |
| 48 | --filter=tree:0 >/dev/null |
| 49 | ' |
| 50 | |
| 51 | test_perf 'simulated partial clone' ' |
| 52 | git pack-objects --stdout --all --filter=blob:none </dev/null >/dev/null |
| 53 | ' |
| 54 | } |
| 55 | |
| 56 | test_partial_bitmap () { |
| 57 | test_perf 'clone (partial bitmap)' ' |
| 58 | git pack-objects --stdout --all </dev/null >/dev/null |
| 59 | ' |
| 60 | |
| 61 | test_perf 'pack to file (partial bitmap)' ' |
| 62 | git pack-objects --use-bitmap-index --all pack2b </dev/null >/dev/null |
| 63 | ' |
| 64 | |
| 65 | test_perf 'rev-list with tree filter (partial bitmap)' ' |
| 66 | git rev-list --use-bitmap-index --count --objects --all \ |
| 67 | --filter=tree:0 >/dev/null |
| 68 | ' |
| 69 | } |
| 70 | |
| 71 | test_pack_bitmap () { |
| 72 | test_perf "repack to disk" ' |
| 73 | git repack -ad |
| 74 | ' |
| 75 | |
| 76 | test_full_bitmap |
| 77 | |
| 78 | test_expect_success "create partial bitmap state" ' |
| 79 | # pick a commit to represent the repo tip in the past |
| 80 | cutoff=$(git rev-list HEAD~100 -1) && |
| 81 | orig_tip=$(git rev-parse HEAD) && |
| 82 | |
| 83 | # now kill off all of the refs and pretend we had |
| 84 | # just the one tip |
| 85 | rm -rf .git/logs .git/refs/* .git/packed-refs && |
| 86 | git update-ref HEAD $cutoff && |
| 87 | |
| 88 | # and then repack, which will leave us with a nice |
| 89 | # big bitmap pack of the "old" history, and all of |
| 90 | # the new history will be loose, as if it had been pushed |
| 91 | # up incrementally and exploded via unpack-objects |
| 92 | git repack -Ad && |
| 93 | |
| 94 | # and now restore our original tip, as if the pushes |
| 95 | # had happened |
| 96 | git update-ref HEAD $orig_tip |
| 97 | ' |
| 98 | |
| 99 | test_partial_bitmap |
| 100 | } |