Change denseMatrixLimit heuristic

pratikashar · sys_zuul · commit a0a8f2bcd688 · 2020-07-02T12:16:56.000-07:00
Change-Id: Ib0ccf91af72ff29c867ff145571cddab4048e1bf
diff --git a/visa/GraphColor.h b/visa/GraphColor.h
@@ -361,7 +361,7 @@ namespace vISA
         // like dense matrix, interference is not symmetric (that is, if v1 and v2 interfere and v1 < v2,
         // we insert (v1, v2) but not (v2, v1)) for better cache behavior
         std::vector<std::unordered_set<uint32_t> > sparseMatrix;
-        const uint32_t denseMatrixLimit = 65536;
+        const uint32_t denseMatrixLimit = 0x20000;
 
         void updateLiveness(BitSet& live, uint32_t id, bool val)
         {

Original file line number	Diff line number	Diff line change
`@@ -361,7 +361,7 @@ namespace vISA`
`361`	`361`	`// like dense matrix, interference is not symmetric (that is, if v1 and v2 interfere and v1 < v2,`
`362`	`362`	`// we insert (v1, v2) but not (v2, v1)) for better cache behavior`
`363`	`363`	`std::vector<std::unordered_set<uint32_t> > sparseMatrix;`
`364`		`- const uint32_t denseMatrixLimit = 65536;`
	`364`	`+ const uint32_t denseMatrixLimit = 0x20000;`
`365`	`365`
`366`	`366`	`void updateLiveness(BitSet& live, uint32_t id, bool val)`
`367`	`367`	`{`