better memory report

capped vector allocations at u32::MAX in rust simulator

src/PIM/Dialect/Spatial/Transforms/MergeComputeNodes/MergeComputeNodesPass.cpp

@@ -663,7 +663,7 @@ public:
         return;
       }
       emitMergeIrCounts("final-post-merge", func);
-      dumpModule(cast<ModuleOp>(func->getParentOp()), "spatial1_dcp_merged");
+      dumpModule(cast<ModuleOp>(func->getParentOp()), "spatial1_merged");
       generateReport(func, "spatial_merge_report", analysisResult->cpuToLastComputeMap.size());
     }
   }