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Posted to commits@subversion.apache.org by hw...@apache.org on 2011/10/19 05:55:45 UTC

svn commit: r1185958 - in /subversion/branches/1.7.x: ./ STATUS subversion/libsvn_subr/mergeinfo.c

Author: hwright
Date: Wed Oct 19 03:55:45 2011
New Revision: 1185958

URL: http://svn.apache.org/viewvc?rev=1185958&view=rev
Log:
Merge r1167681 from trunk:

 * r1167681
   Don't invoke quicksort unnecessarily when combining mergeinfo rangelists.
   Justification:
     This speeds up --reintegrate merges, especially the pathological case
     described here: http://svn.haxx.se/dev/archive-2011-09/0247.shtml
   Votes:
     +1: stsp, rhuijben, pburba

Modified:
    subversion/branches/1.7.x/   (props changed)
    subversion/branches/1.7.x/STATUS
    subversion/branches/1.7.x/subversion/libsvn_subr/mergeinfo.c

Propchange: subversion/branches/1.7.x/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Wed Oct 19 03:55:45 2011
@@ -64,4 +64,4 @@
 /subversion/branches/tree-conflicts:868291-873154
 /subversion/branches/tree-conflicts-notify:873926-874008
 /subversion/branches/uris-as-urls:1060426-1064427
-/subversion/trunk:1146013,1146121,1146219,1146222,1146274,1146492,1146555,1146606,1146620,1146684,1146781,1146832,1146834,1146870,1146899,1146904,1147293,1147299,1147309,1147882,1148071,1148083,1148094,1148131,1148374,1148424,1148566,1148588,1148652,1148662,1148699,1148853,1148877,1148882,1148936,1149103,1149105,1149135,1149141,1149160,1149228,1149240,1149343,1149371-1149372,1149377,1149398,1149401,1149539,1149572,1149627,1149675,1149701,1149713,1150242,1150254,1150260-1150261,1150266,1150302,1150327,1150368,1150372,1150441,1150506,1150812,1150853,1151036,1151177,1151610,1151854,1151906,1151911,1152129,1152140,1152189-1152190,1152267,1152282,1152286,1152726,1152809,1153138,1153141,1153416,1153540,1153566,1153799,1153807,1153968,1154009,1154023,1154115,1154119,1154121,1154144,1154155,1154159,1154165,1154215,1154225,1154273,1154278,1154379,1154382,1154461,1154717-1154718,1154733,1154908,1154982,1155015,1155044,1155124,1155131,1155160,1155313,1155334,1155391,1155404,1156085,115
 6098,1156216,1156218,1156312,1156527,1156717,1156721,1156750,1156827,1156838,1157416,1158187,1158193-1158194,1158196,1158201,1158207,1158209-1158210,1158217,1158285,1158288,1158303,1158309,1158407,1158419,1158421,1158436,1158455,1158616-1158617,1158634,1158854,1158875,1158886,1158893,1158896,1158919,1158924,1158963,1159093,1159098,1159101,1159132,1159136,1159148,1159230,1159275,1159400,1159686,1159760,1159772,1160605,1160671,1160682,1160704-1160705,1160756,1161063,1161080,1161185,1161210,1161683,1161721,1162024,1162033,1162201,1162516,1162880,1162974,1162995,1163557,1163792,1163953,1164027,1164386,1164517,1164535,1164554,1164580,1164645,1164760,1164765,1166500,1166555,1166678,1167062,1167173,1167209,1167269,1167503,1167659,1169524,1169531,1169650,1171708,1173111,1173425,1173639,1174051,1174060,1174652,1174761,1174797-1174798,1174806,1175888,1176915,1176949,1177001,1177492,1179680,1179767,1181155,1181666,1182115,1182904,1182909,1183054,1183263,1183347,1185730
+/subversion/trunk:1146013,1146121,1146219,1146222,1146274,1146492,1146555,1146606,1146620,1146684,1146781,1146832,1146834,1146870,1146899,1146904,1147293,1147299,1147309,1147882,1148071,1148083,1148094,1148131,1148374,1148424,1148566,1148588,1148652,1148662,1148699,1148853,1148877,1148882,1148936,1149103,1149105,1149135,1149141,1149160,1149228,1149240,1149343,1149371-1149372,1149377,1149398,1149401,1149539,1149572,1149627,1149675,1149701,1149713,1150242,1150254,1150260-1150261,1150266,1150302,1150327,1150368,1150372,1150441,1150506,1150812,1150853,1151036,1151177,1151610,1151854,1151906,1151911,1152129,1152140,1152189-1152190,1152267,1152282,1152286,1152726,1152809,1153138,1153141,1153416,1153540,1153566,1153799,1153807,1153968,1154009,1154023,1154115,1154119,1154121,1154144,1154155,1154159,1154165,1154215,1154225,1154273,1154278,1154379,1154382,1154461,1154717-1154718,1154733,1154908,1154982,1155015,1155044,1155124,1155131,1155160,1155313,1155334,1155391,1155404,1156085,115
 6098,1156216,1156218,1156312,1156527,1156717,1156721,1156750,1156827,1156838,1157416,1158187,1158193-1158194,1158196,1158201,1158207,1158209-1158210,1158217,1158285,1158288,1158303,1158309,1158407,1158419,1158421,1158436,1158455,1158616-1158617,1158634,1158854,1158875,1158886,1158893,1158896,1158919,1158924,1158963,1159093,1159098,1159101,1159132,1159136,1159148,1159230,1159275,1159400,1159686,1159760,1159772,1160605,1160671,1160682,1160704-1160705,1160756,1161063,1161080,1161185,1161210,1161683,1161721,1162024,1162033,1162201,1162516,1162880,1162974,1162995,1163557,1163792,1163953,1164027,1164386,1164517,1164535,1164554,1164580,1164645,1164760,1164765,1166500,1166555,1166678,1167062,1167173,1167209,1167269,1167503,1167659,1167681,1169524,1169531,1169650,1171708,1173111,1173425,1173639,1174051,1174060,1174652,1174761,1174797-1174798,1174806,1175888,1176915,1176949,1177001,1177492,1179680,1179767,1181155,1181666,1182115,1182904,1182909,1183054,1183263,1183347,1185730

Modified: subversion/branches/1.7.x/STATUS
URL: http://svn.apache.org/viewvc/subversion/branches/1.7.x/STATUS?rev=1185958&r1=1185957&r2=1185958&view=diff
==============================================================================
--- subversion/branches/1.7.x/STATUS (original)
+++ subversion/branches/1.7.x/STATUS Wed Oct 19 03:55:45 2011
@@ -148,14 +148,6 @@ Veto-blocked changes:
 Approved changes:
 =================
 
- * r1167681
-   Don't invoke quicksort unnecessarily when combining mergeinfo rangelists.
-   Justification:
-     This speeds up --reintegrate merges, especially the pathological case
-     described here: http://svn.haxx.se/dev/archive-2011-09/0247.shtml
-   Votes:
-     +1: stsp, rhuijben, pburba
-
  * r1181609
    Fill in the repos_* fields of svn_wc_status3_t for nodes that only exist
    in the repository.

Modified: subversion/branches/1.7.x/subversion/libsvn_subr/mergeinfo.c
URL: http://svn.apache.org/viewvc/subversion/branches/1.7.x/subversion/libsvn_subr/mergeinfo.c?rev=1185958&r1=1185957&r2=1185958&view=diff
==============================================================================
--- subversion/branches/1.7.x/subversion/libsvn_subr/mergeinfo.c (original)
+++ subversion/branches/1.7.x/subversion/libsvn_subr/mergeinfo.c Wed Oct 19 03:55:45 2011
@@ -300,6 +300,7 @@ combine_with_lastrange(const svn_merge_r
              intersect but have differing inheritability.  Check for the
              first case as that is easy to handle. */
           intersection_type_t intersection_type;
+          svn_boolean_t sorted = FALSE;
 
           SVN_ERR(get_type_of_intersection(new_range, lastrange,
                                            &intersection_type));
@@ -311,12 +312,15 @@ combine_with_lastrange(const svn_merge_r
                        just push NEW_RANGE only RANGELIST. */
                     APR_ARRAY_PUSH(rangelist, svn_merge_range_t *) =
                       svn_merge_range_dup(new_range, result_pool);
+                    sorted = (svn_sort_compare_ranges(&lastrange,
+                                                      &new_range) < 0);
                     break;
 
                   case svn__equal_intersection:
                     /* They range are equal so all we do is force the
                        inheritability of lastrange to true. */
                     lastrange->inheritable = TRUE;
+                    sorted = TRUE;
                     break;
 
                   case svn__adjoining_intersection:
@@ -324,6 +328,8 @@ combine_with_lastrange(const svn_merge_r
                        onto RANGELIST. */
                     APR_ARRAY_PUSH(rangelist, svn_merge_range_t *) =
                       svn_merge_range_dup(new_range, result_pool);
+                    sorted = (svn_sort_compare_ranges(&lastrange,
+                                                      &new_range) < 0);
                     break;
 
                   case svn__overlapping_intersection:
@@ -358,8 +364,11 @@ combine_with_lastrange(const svn_merge_r
 
                       /* Push everything back onto RANGELIST. */
                       APR_ARRAY_PUSH(rangelist, svn_merge_range_t *) = r1;
+                      sorted = (svn_sort_compare_ranges(&lastrange,
+                                                        &r1) < 0);
                       APR_ARRAY_PUSH(rangelist, svn_merge_range_t *) = r2;
-
+                      if (sorted)
+                        sorted = (svn_sort_compare_ranges(&r1, &r2) < 0);
                       break;
                     }
 
@@ -424,19 +433,35 @@ combine_with_lastrange(const svn_merge_r
 
                       /* Push everything back onto RANGELIST. */
                       APR_ARRAY_PUSH(rangelist, svn_merge_range_t *) = r1;
+                      sorted = (svn_sort_compare_ranges(&lastrange, &r1) < 0);
                       if (r2)
-                        APR_ARRAY_PUSH(rangelist, svn_merge_range_t *) = r2;
+                        {
+                          APR_ARRAY_PUSH(rangelist, svn_merge_range_t *) = r2;
+                          if (sorted)
+                            sorted = (svn_sort_compare_ranges(&r1, &r2) < 0);
+                        }
                       if (r3)
-                        APR_ARRAY_PUSH(rangelist, svn_merge_range_t *) = r3;
-
+                        {
+                          APR_ARRAY_PUSH(rangelist, svn_merge_range_t *) = r3;
+                          if (sorted)
+                            {
+                              if (r2)
+                                sorted = (svn_sort_compare_ranges(&r2,
+                                                                  &r3) < 0);
+                              else
+                                sorted = (svn_sort_compare_ranges(&r1,
+                                                                  &r3) < 0);
+                            }
+                        }
                       break;
                     }
                 }
 
               /* Some of the above cases might have put *RANGELIST out of
                  order, so re-sort.*/
-              qsort(rangelist->elts, rangelist->nelts, rangelist->elt_size,
-                    svn_sort_compare_ranges);
+              if (!sorted)
+                qsort(rangelist->elts, rangelist->nelts, rangelist->elt_size,
+                      svn_sort_compare_ranges);
         }
     }