From: Jordan Lee <jordan@transmissionbt.com>
Date: Sun, 9 Dec 2012 19:08:06 +0000 (+0000)
Subject: in bitfield.c, speed up countArray() by about 15%
X-Git-Tag: 2.74~10
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=0846d3f2abdd93b67ee1173110b0eed67c2b195e;p=transmission

in bitfield.c, speed up countArray() by about 15%
---

diff --git a/libtransmission/bitfield.c b/libtransmission/bitfield.c
index 54b0461ba..6032d05ba 100644
--- a/libtransmission/bitfield.c
+++ b/libtransmission/bitfield.c
@@ -47,10 +47,10 @@ static const int8_t trueBitCount[256] =
 static size_t
 countArray (const tr_bitfield * b)
 {
-  size_t i;
   size_t ret = 0;
+  ssize_t i = b->alloc_count;
 
-  for (i=0; i<b->alloc_count; ++i)
+  while (--i >= 0)
     ret += trueBitCount[b->bits[i]];
 
   return ret;