lower parallel prefix sum threshold (#58)

utcs-scea · Apr 23, 2024 · 0ae8100 · 0ae8100
1 parent 3cff9f5
commit 0ae8100
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/libgalois/include/galois/graphs/LS_LC_CSR_Graph.h b/libgalois/include/galois/graphs/LS_LC_CSR_Graph.h
@@ -94,7 +94,7 @@ class LS_LC_CSR_Graph : private boost::noncopyable {
   /*
    * Prefix Sum utilities
    */
-  static constexpr uint64_t PARALLEL_PREFIX_SUM_VERTEX_THRESHOLD = 1ul << 25;
+  static constexpr uint64_t PARALLEL_PREFIX_SUM_VERTEX_THRESHOLD = 1ul << 12;
   std::vector<uint64_t> m_pfx_sum_cache;
   static uint64_t transmute(const VertexMetadata& vertex_meta) {
     return vertex_meta.degree();