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Diffstat (limited to 'FAQ.in')
| -rw-r--r-- | FAQ.in | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/FAQ.in b/FAQ.in index 7a0d1a087d..495e30c6af 100644 --- a/FAQ.in +++ b/FAQ.in @@ -1278,6 +1278,15 @@ When compiling new programs against glibc 2.1, you've got to specify the correct paths to the compiler (option -I with gcc) and linker (options --dynamic-linker, -L and --rpath). +? bonnie reports that char i/o with glibc 2 is much slower than with + libc5. What can be done? + +{AJ} The GNU C library uses thread safe functions by default and libc5 used +non thread safe versions. The non thread safe functions have in glibc the +suffix `_unlocked', for details check <stdio.h>. Using `putc_unlocked' etc. +instead of `putc' should give nearly the same speed with bonnie (bonnie is a +benchmark program for measuring disk access). + ? Miscellaneous |