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The wall clock timer (implementing using the RTC or cycle counter on x86) is

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so much more accurate than the per process timers that we get better results
(less noise) by sorting according to wall time than process time.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4034 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2002-10-03 21:08:20 +00:00
parent 62d928eac1
commit b0d0f5b473
2 changed files with 2 additions and 14 deletions
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8
include/Support/Timer.h
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@ -64,13 +64,7 @@ public:
// operator< - Allow sorting...
bool operator<(const Timer &T) const {
// Primary sort key is User+System time
if (UserTime+SystemTime < T.UserTime+T.SystemTime)
return true;
if (UserTime+SystemTime > T.UserTime+T.SystemTime)
return false;
// Secondary sort key is Wall Time
// Sort by Wall Time elapsed, as it is the only thing really accurate
return Elapsed < T.Elapsed;
}
bool operator>(const Timer &T) const { return T.operator<(*this); }

8
include/llvm/Support/Timer.h
View File

@ -64,13 +64,7 @@ public:
// operator< - Allow sorting...
bool operator<(const Timer &T) const {
// Primary sort key is User+System time
if (UserTime+SystemTime < T.UserTime+T.SystemTime)
return true;
if (UserTime+SystemTime > T.UserTime+T.SystemTime)
return false;
// Secondary sort key is Wall Time
// Sort by Wall Time elapsed, as it is the only thing really accurate
return Elapsed < T.Elapsed;
}
bool operator>(const Timer &T) const { return T.operator<(*this); }