Changeset fa6ca1a for doc/theses/mike_brooks_MMath/benchmarks/list/driver.c

Timestamp:

Apr 3, 2023, 4:35:57 PM (15 months ago)

Author:

Mike Brooks <mlbrooks@…>

Branches:

ADT, ast-experimental, master

Children:

34b6a7b6

Parents:

90a3a89

Message:

LL perf: reduce frequency of using volatile variables.

Significantly improves stability across reruns.
5-rep extreme outcomes are within 5% of each other, on 46 out of 51 test programs.
3 of those 5 exceptions, and the only ones more than 7% apart, are uC++.

File:

• doc/theses/mike_brooks_MMath/benchmarks/list/driver.c (modified) (1 diff)

doc/theses/mike_brooks_MMath/benchmarks/list/driver.c

@@ -135 +135 @@
                 BOP_INIT(lst, ui, listedItems, 0);
             TRACE('b')
-            for ( bobs_prog_inserting = 1; bobs_prog_inserting < NumNodes; bobs_prog_inserting += 1 ) { 
+            for ( int privateCurInsert = 1;
+                  (bobs_prog_inserting = privateCurInsert, privateCurInsert < NumNodes);
+                  privateCurInsert += 1
+                ) {
                 TRACE('-')
-                listedItems[bobs_prog_inserting] =
-                    BOP_INSERT( lst, ui, listedItems, bobs_prog_inserting );
+                listedItems[privateCurInsert] =
+                    BOP_INSERT( lst, ui, listedItems, privateCurInsert );
                 TRACE('+')
             }
             TRACE('c')
-            for ( bobs_prog_removing = 1; bobs_prog_removing < NumNodes; bobs_prog_removing += 1 ) { 
+            for ( int privateCurRemove = 1;
+                  (bobs_prog_removing = privateCurRemove, privateCurRemove < NumNodes);
+                  privateCurRemove += 1
+                ) {
                 TRACE('-')
-                BOP_REMOVE( lst, ui, listedItems, bobs_prog_removing-1 );
+                BOP_REMOVE( lst, ui, listedItems, privateCurRemove-1 );
                 TRACE('+')
             }