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c333c2ce65
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René Scharfe c333c2ce65 test-mergesort: use mem_pool for sort input 
The previous patch almost halved the number of heap allocations for the
sort subcommand.  Reduce it further by using a mem_pool for the line
objects.

Note that t/perf/run can't be used directly to compare two versions of
test-mergesort because it always runs the helpers from the checked-out
version.  So I hand-merged the results of separate runs before and with
this patch:

macOS 12.5.1 on M1:
0071.12: DEFINE_LIST_SORT unsorted     0.22(0.20+0.01)     0.21(0.19+0.01)
0071.14: DEFINE_LIST_SORT sorted       0.10(0.08+0.01)     0.10(0.08+0.01)
0071.16: DEFINE_LIST_SORT reversed     0.10(0.08+0.01)     0.10(0.08+0.01)

Git SDK 64-bit on Windows 11 21H2 on Ryzen 7 5800H:
0071.12: DEFINE_LIST_SORT unsorted     0.54(0.00+0.06)     0.44(0.01+0.06)
0071.14: DEFINE_LIST_SORT sorted       0.21(0.03+0.03)     0.19(0.04+0.01)
0071.16: DEFINE_LIST_SORT reversed     0.21(0.01+0.04)     0.19(0.04+0.04)

Debian bullseye on WSL2 on the same system:
0071.12: DEFINE_LIST_SORT unsorted     0.29(0.27+0.01)     0.22(0.19+0.02)
0071.14: DEFINE_LIST_SORT sorted       0.07(0.06+0.01)     0.06(0.04+0.02)
0071.16: DEFINE_LIST_SORT reversed     0.07(0.04+0.03)     0.06(0.04+0.02)

Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-28 13:10:22 -07:00
..
.gitignore
test-advise.c
test-bitmap.c
test-bloom.c test-tool bloom: fix memory leaks 2022-07-01 13:38:50 -07:00
test-chmtime.c t/helper/test-chmtime: skip directories on Windows 2022-03-25 16:04:17 -07:00
test-config.c
test-crontab.c
test-csprng.c wrapper: add a helper to generate numbers from a CSPRNG 2022-01-17 14:17:48 -08:00
test-ctype.c
test-date.c date API: add and use a date_mode_release() 2022-02-16 09:40:00 -08:00
test-delta.c test-tool delta: fix a memory leak 2022-07-01 13:38:50 -07:00
test-dir-iterator.c
test-drop-caches.c lazyload: use correct calling conventions 2022-01-09 10:34:53 -08:00
test-dump-cache-tree.c test-tool {dump,scrap}-cache-tree: fix memory leaks 2022-07-01 13:38:49 -07:00
test-dump-fsmonitor.c
test-dump-split-index.c
test-dump-untracked-cache.c
test-example-decorate.c
test-fake-ssh.c
test-fast-rebase.c test-fast-rebase helper: use release_revisions() (again) 2022-08-03 10:13:50 -07:00
test-fsmonitor-client.c t/helper/fsmonitor-client: create stress test 2022-05-26 15:59:26 -07:00
test-genrandom.c
test-genzeros.c test-tool genzeros: generate large amounts of data more efficiently 2021-11-03 11:22:26 -07:00
test-getcwd.c
test-hash-speed.c
test-hash.c test-tool test-hash: fix a memory leak 2022-07-01 13:38:49 -07:00
test-hashmap.c
test-hexdump.c t/helper/hexdump: add helper to print hexdump of stdin 2022-05-26 15:59:27 -07:00
test-index-version.c
test-json-writer.c test-tool json-writer: fix memory leaks 2022-07-01 13:38:50 -07:00
test-lazy-init-name-hash.c
test-match-trees.c
test-mergesort.c test-mergesort: use mem_pool for sort input 2022-08-28 13:10:22 -07:00
test-mktemp.c
test-oid-array.c
test-oidmap.c
test-oidtree.c
test-online-cpus.c
test-pack-mtimes.c t/helper: add 'pack-mtimes' test-tool 2022-05-26 15:48:26 -07:00
test-parse-options.c
test-parse-pathspec-file.c
test-partial-clone.c
test-path-utils.c test-tool path-utils: fix a memory leak 2022-07-01 13:38:49 -07:00
test-pcre2-config.c
test-pkt-line.c
test-prio-queue.c
test-proc-receive.c
test-progress.c progress.c tests: make start/stop commands on stdin 2022-02-03 15:39:55 -08:00
test-reach.c
test-read-cache.c test-read-cache: remove --table, --expand options 2021-12-22 11:42:40 -08:00
test-read-graph.c test-read-graph: include extra post-parse info 2022-03-01 12:09:55 -08:00
test-read-midx.c t/helper/test-read-midx.c: free MIDX within read_midx_file() 2021-10-27 16:26:37 -07:00
test-ref-store.c test-tool ref-store: fix a memory leak 2022-07-01 13:38:50 -07:00
test-reftable.c reftable: order unittests by complexity 2022-01-20 11:31:53 -08:00
test-regex.c test-tool regex: call regfree(), fix memory leaks 2022-07-01 13:38:50 -07:00
test-repository.c
test-revision-walking.c revisions API users: add straightforward release_revisions() 2022-04-13 23:56:08 -07:00
test-run-command.c Merge branch 'ab/hooks-regression-fix' 2022-06-13 15:53:41 -07:00
test-scrap-cache-tree.c test-tool {dump,scrap}-cache-tree: fix memory leaks 2022-07-01 13:38:49 -07:00
test-serve-v2.c
test-sha1.c
test-sha1.sh
test-sha256.c
test-sigchain.c
test-simple-ipc.c
test-strcmp-offset.c
test-string-list.c
test-submodule-config.c
test-submodule-nested-repo-config.c
test-subprocess.c run-command API users: use strvec_pushv(), not argv assignment 2021-11-25 22:15:07 -08:00
test-tool.c Merge branch 'jh/builtin-fsmonitor-part3' 2022-06-10 15:04:15 -07:00
test-tool.h Merge branch 'jh/builtin-fsmonitor-part3' 2022-06-10 15:04:15 -07:00
test-trace2.c bug_fl(): correctly initialize trace2 va_list 2022-06-16 13:28:22 -07:00
test-urlmatch-normalization.c test-tool urlmatch-normalization: fix a memory leak 2022-07-01 13:38:49 -07:00
test-userdiff.c
test-wildmatch.c
test-windows-named-pipe.c
test-write-cache.c
test-xml-encode.c