Mercurial > hg
view tests/test-dispatch.t @ 31467:08ecec297521
bdiff: use Python memory allocator in fixws
Python has its own memory allocation APIs. For allocations
<= 512 bytes, it allocates memory from arenas. This means that
average small allocations don't call the system allocator, which
makes them faster. Also, arena allocations cut down on memory
fragmentation, which can matter for performance in long-running
processes.
Another advantage of using the Python memory allocator is that
allocations are tracked by Python. This is a bigger deal in
Python 3, as modern versions of Python have some decent built-in
tools for examining memory usage, leaks, etc.
This patch converts a trivial malloc() + free() in the bdiff code
to use the Python allocator APIs. Since the object being
operated on is a line, chances are it will use an arena. So,
this could have a net positive impact on performance (although
I didn't measure it).
author | Gregory Szorc <gregory.szorc@gmail.com> |
---|---|
date | Thu, 09 Mar 2017 11:54:25 -0800 |
parents | d65e246100ed |
children | f42dec9c976e |
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test command parsing and dispatch $ hg init a $ cd a Redundant options used to crash (issue436): $ hg -v log -v $ hg -v log -v x $ echo a > a $ hg ci -Ama adding a Missing arg: $ hg cat hg cat: invalid arguments hg cat [OPTION]... FILE... output the current or given revision of files options ([+] can be repeated): -o --output FORMAT print output to file with formatted name -r --rev REV print the given revision --decode apply any matching decode filter -I --include PATTERN [+] include names matching the given patterns -X --exclude PATTERN [+] exclude names matching the given patterns (use 'hg cat -h' to show more help) [255] [defaults] $ hg cat a a $ cat >> $HGRCPATH <<EOF > [defaults] > cat = -r null > EOF $ hg cat a a: no such file in rev 000000000000 [1] $ cd "$TESTTMP" OSError "No such file or directory" / "The system cannot find the path specified" should include filename even when it is empty $ hg -R a archive '' abort: *: '' (glob) [255] #if no-outer-repo No repo: $ hg cat abort: no repository found in '$TESTTMP' (.hg not found)! [255] #endif