Mercurial > hg
view tests/test-template-engine.t @ 33799:05264fc9d8d6
util: make nogc effective for CPython
279cd80059d4 made `util.nogc` a no-op. It was to optimize PyPy. But it slows
down CPython if many objects (like 300k+) are created.
For example, running `hg log -r .` without extensions in `hg-committed` with
14k+ obsmarkers have the following times:
before | after
hg | chg | hg | chg
-----------------------------
1.262 | 0.860 | 1.077 | 0.619 (seconds, best of 20 runs)
Therefore let's re-enable nogc for CPython.
Differential Revision: https://phab.mercurial-scm.org/D402
author | Jun Wu <quark@fb.com> |
---|---|
date | Mon, 14 Aug 2017 22:28:59 -0700 |
parents | 511d6ae462f3 |
children | 32c278eb876f |
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$ cat > engine.py << EOF > > from mercurial import templater > > class mytemplater(object): > def __init__(self, loader, filters, defaults, aliases): > self.loader = loader > > def process(self, t, map): > tmpl = self.loader(t) > for k, v in map.iteritems(): > if k in ('templ', 'ctx', 'repo', 'revcache', 'cache', 'troubles'): > continue > if hasattr(v, '__call__'): > v = v(**map) > v = templater.stringify(v) > tmpl = tmpl.replace('{{%s}}' % k, v) > yield tmpl > > templater.engines['my'] = mytemplater > EOF $ hg init test $ echo '[extensions]' > test/.hg/hgrc $ echo "engine = `pwd`/engine.py" >> test/.hg/hgrc $ cd test $ cat > mymap << EOF > changeset = my:changeset.txt > EOF $ cat > changeset.txt << EOF > {{rev}} {{node}} {{author}} > EOF $ hg ci -Ama adding changeset.txt adding mymap $ hg log --style=./mymap 0 97e5f848f0936960273bbf75be6388cd0350a32b test $ cat > changeset.txt << EOF > {{p1rev}} {{p1node}} {{p2rev}} {{p2node}} > EOF $ hg ci -Ama $ hg log --style=./mymap 0 97e5f848f0936960273bbf75be6388cd0350a32b -1 0000000000000000000000000000000000000000 -1 0000000000000000000000000000000000000000 -1 0000000000000000000000000000000000000000 invalid engine type: $ echo 'changeset = unknown:changeset.txt' > unknownenginemap $ hg log --style=./unknownenginemap abort: invalid template engine: unknown [255] $ cd ..