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| author | Bill Wendling <isanbard@gmail.com> | 2013-05-03 22:06:41 +0000 |
|---|---|---|
| committer | Bill Wendling <isanbard@gmail.com> | 2013-05-03 22:06:41 +0000 |
| commit | 346e348af5740db3660c84490d2c1bbba7c570e5 (patch) | |
| tree | 7a524ac0ca86c4d74430f7c3a1925ab8d0d54a20 /lib/profile/GCDAProfiling.c | |
| parent | d83a6d8bafbf2afa3ebcf9e006bf0c7414f9b2dc (diff) | |
I was wrong in my testing.
There isn't a speedup when using unbuffered I/O. It slows it down in fact.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@181060 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/profile/GCDAProfiling.c')
| -rw-r--r-- | lib/profile/GCDAProfiling.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/lib/profile/GCDAProfiling.c b/lib/profile/GCDAProfiling.c index 3e0fff25f..653f641f7 100644 --- a/lib/profile/GCDAProfiling.c +++ b/lib/profile/GCDAProfiling.c @@ -194,9 +194,6 @@ void llvm_gcda_start_file(const char *orig_filename, const char version[4]) { } } - /* Make the file I/O unbuffered. */ - setbuf(output_file, (char*)NULL); - /* gcda file, version, stamp LLVM. */ fwrite("adcg", 4, 1, output_file); fwrite(version, 4, 1, output_file); |