diff options
| -rw-r--r-- | src/sort.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/src/sort.c b/src/sort.c index 9cfc8144f..36e3b19fb 100644 --- a/src/sort.c +++ b/src/sort.c @@ -3149,10 +3149,7 @@ compare_nodes (void const *a, void const *b) return nodea->level < nodeb->level; } -/* Lock a merge tree NODE. - Spin locks were seen to perform better than mutexes when the number - of threads is limited to the number of processors, assuming 'sort' - never waits when writing to stdout. */ +/* Lock a merge tree NODE. */ static inline void lock_node (struct merge_node *node) @@ -4567,8 +4564,6 @@ main (int argc, char **argv) } else { - /* If NTHREADS > number of cores on the machine, spinlocking - could be wasteful. */ unsigned long int np2 = num_processors (NPROC_CURRENT_OVERRIDABLE); if (!nthreads || nthreads > np2) nthreads = np2; |