From: drh <drh@noemail.net>
Date: Sat, 27 May 2017 22:42:36 +0000 (+0000)
Subject: Smaller and faster vdbeSorterCompareText().
X-Git-Tag: version-3.20.0~243
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=ae2ac854b3606bde67974902eca9dc71be05358c;p=thirdparty%2Fsqlite.git

Smaller and faster vdbeSorterCompareText().

FossilOrigin-Name: 542dc4c5eb87017fe03b6c181e779993aa84564785e1177ccf937d52f985593b
---

diff --git a/manifest b/manifest
index f6c4969a9b..76765e5f75 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Small\sperformance\sincrease\sand\ssize\sdecrease\sin\sthe\sbtreeInitPage()\sroutine.
-D 2017-05-25T21:35:56.813
+C Smaller\sand\sfaster\svdbeSorterCompareText().
+D 2017-05-27T22:42:36.583
 F Makefile.in 1cc758ce3374a32425e4d130c2fe7b026b20de5b8843243de75f087c0a2661fb
 F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434
 F Makefile.msc 8eeb80162074004e906b53d7340a12a14c471a83743aab975947e95ce061efcc
@@ -478,7 +478,7 @@ F src/vdbeapi.c dc904b3c5e459727993c2421e653e29d63223846d129fae98adc782b0a996481
 F src/vdbeaux.c 8416e4e5cf7b32cc3898cf3a28d05d5a3270c620513b46197f22bd24ca922539
 F src/vdbeblob.c 359891617358deefc85bef7bcf787fa6b77facb9
 F src/vdbemem.c 2c70f8f5de6c71fb99a22c5b83be9fab5c47cdd8e279fa44a8c00cfed06d7e89
-F src/vdbesort.c e72fe02a2121386ba767ede8942e9450878b8fc873abf3d1b6824485f092570c
+F src/vdbesort.c f26595dfcc342f4ea8b2e703686c2352638ed578e20acfc3e6534d30bbd4f555
 F src/vdbetrace.c 41963d5376f0349842b5fc4aaaaacd7d9cdc0834
 F src/vtab.c 35b9bdc2b41de32a417141d12097bcc4e29a77ed7cdb8f836d1d2305d946b61b
 F src/vxworks.h d2988f4e5a61a4dfe82c6524dd3d6e4f2ce3cdb9
@@ -1581,7 +1581,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 6513e4a121e32df7e5cd95f47cdf8049b85bdbcb378cf23db29838fb1143d3ce
-R 9e082c4766b6279c798cfde2a46bb457
+P 6f415833e0554706dcf04f68ecba4ca2e54c08f3bbf6a1dba182bb132c912a2e
+R 676446376962a7566200486a47c0a1a8
 U drh
-Z d87e792c8c154c6048ea55d079b4cb9c
+Z d53eb1928c4e27333143da904b4871ef
diff --git a/manifest.uuid b/manifest.uuid
index 8237c98750..407c418377 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-6f415833e0554706dcf04f68ecba4ca2e54c08f3bbf6a1dba182bb132c912a2e
\ No newline at end of file
+542dc4c5eb87017fe03b6c181e779993aa84564785e1177ccf937d52f985593b
\ No newline at end of file
diff --git a/src/vdbesort.c b/src/vdbesort.c
index 7dbb1b063f..51636c9fa1 100644
--- a/src/vdbesort.c
+++ b/src/vdbesort.c
@@ -815,9 +815,9 @@ static int vdbeSorterCompareText(
   int n2;
   int res;
 
-  getVarint32(&p1[1], n1); n1 = (n1 - 13) / 2;
-  getVarint32(&p2[1], n2); n2 = (n2 - 13) / 2;
-  res = memcmp(v1, v2, MIN(n1, n2));
+  getVarint32(&p1[1], n1);
+  getVarint32(&p2[1], n2);
+  res = memcmp(v1, v2, (MIN(n1, n2) - 13)/2);
   if( res==0 ){
     res = n1 - n2;
   }