tests/test-template-engine.t
author Gregory Szorc <gregory.szorc@gmail.com>
Sun, 20 Nov 2016 16:56:21 -0800
changeset 30461 d195fa651b51
parent 28957 d813132ea361
child 33709 511d6ae462f3
permissions -rw-r--r--
bdiff: don't check border condition in loop This is pretty much a copy of d500ddae7494, just to a different loop. The condition `p == plast` (`plast == a + len - 1`) was only true on the final iteration of the loop. So it was wasteful to check for it on every iteration. We decrease the iteration count by 1 and add an explicit check for `p == plast` after the loop. Again, we see modest wins. From the mozilla-unified repository: $ perfbdiff -m 3041e4d59df2 ! wall 0.035502 comb 0.040000 user 0.040000 sys 0.000000 (best of 100) ! wall 0.030480 comb 0.030000 user 0.030000 sys 0.000000 (best of 100) $ perfbdiff 0e9928989e9c --alldata --count 100 ! wall 4.097394 comb 4.100000 user 4.100000 sys 0.000000 (best of 3) ! wall 3.597798 comb 3.600000 user 3.600000 sys 0.000000 (best of 3) The 2nd example throws a total of ~3.3GB of data at bdiff. This change increases the throughput from ~811 MB/s to ~924 MB/s.
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d8c5a7f25a40 templater: make the templating engine pluggable to some extent
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  $ cat > engine.py << EOF
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  > 
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  > from mercurial import templater
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  > 
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  > class mytemplater(object):
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  >     def __init__(self, loader, filters, defaults, aliases):
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  >         self.loader = loader
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  > 
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  >     def process(self, t, map):
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  >         tmpl = self.loader(t)
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  >         for k, v in map.iteritems():
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  >             if k in ('templ', 'ctx', 'repo', 'revcache', 'cache'):
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  >                 continue
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  >             if hasattr(v, '__call__'):
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  >                 v = v(**map)
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  >             v = templater.stringify(v)
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  >             tmpl = tmpl.replace('{{%s}}' % k, v)
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  >         yield tmpl
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  > 
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  > templater.engines['my'] = mytemplater
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  > EOF
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  $ hg init test
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  $ echo '[extensions]' > test/.hg/hgrc
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  $ echo "engine = `pwd`/engine.py" >> test/.hg/hgrc
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  $ cd test
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  $ cat > mymap << EOF
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  > changeset = my:changeset.txt
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  > EOF
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  $ cat > changeset.txt << EOF
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  > {{rev}} {{node}} {{author}}
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  > EOF
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  $ hg ci -Ama
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  adding changeset.txt
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  adding mymap
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  $ hg log --style=./mymap
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  0 97e5f848f0936960273bbf75be6388cd0350a32b test
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  $ cat > changeset.txt << EOF
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  > {{p1rev}} {{p1node}} {{p2rev}} {{p2node}}
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  > EOF
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  $ hg ci -Ama
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  $ hg log --style=./mymap
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  0 97e5f848f0936960273bbf75be6388cd0350a32b -1 0000000000000000000000000000000000000000
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  -1 0000000000000000000000000000000000000000 -1 0000000000000000000000000000000000000000
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invalid engine type:
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  $ echo 'changeset = unknown:changeset.txt' > unknownenginemap
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  $ hg log --style=./unknownenginemap
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  abort: invalid template engine: unknown
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  [255]
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  $ cd ..