Author: Laurence Tratt <lau...@tratt.net>
Branch:
Changeset: r298:2a17a0177782
Date: 2014-12-11 14:50 +0000
http://bitbucket.org/pypy/benchmarks/changeset/2a17a0177782/
Log: Don't read/write from a cache file.
Without this, the benchmark's behaviour is (even more) non-
deterministic from one run to another.
diff --git a/own/krakatau/Krakatau/Krakatau/stdcache.py
b/own/krakatau/Krakatau/Krakatau/stdcache.py
--- a/own/krakatau/Krakatau/Krakatau/stdcache.py
+++ b/own/krakatau/Krakatau/Krakatau/stdcache.py
@@ -6,11 +6,14 @@
self.env = env
self.filename = filename
- try:
- with open(self.filename, 'rb') as f:
- fdata = f.read()
- except IOError:
- fdata = ''
+ # XXX for a benchmark, we don't ever want to use a cache, so we simply
+ # don't load data from a cache file (even if it exists)
+ fdata = ''
+ #try:
+ # with open(self.filename, 'rb') as f:
+ # fdata = f.read()
+ #except IOError:
+ # fdata = ''
#Note, we assume \n will never appear in a class name. This should be
true for classes in the Java package,
#but isn't necessarily true for user defined classes (Which we don't
cache anyway)
@@ -24,8 +27,8 @@
newvals = class_.getSuperclassHierarchy(), class_.flags
self.data[class_.name] = newvals
writedata = ';'.join(','.join(x) for x in newvals)
- with open(self.filename, 'ab') as f:
- f.write(writedata + '\n')
+ #with open(self.filename, 'ab') as f:
+ # f.write(writedata + '\n')
print class_.name, 'cached'
def isCached(self, name): return name in self.data
@@ -46,4 +49,4 @@
class_ = self.env.getClass(name, partial=True)
if shouldCache(name):
self._cache_info(class_)
- return class_.flags
\ No newline at end of file
+ return class_.flags
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