Revert "include/oneapi/dpl/pstl/hetero/dpcpp/parallel_backend_sycl_me…

…rge.h - increate chunk size on GPU to 8" This reverts commit 1b5f0a7.
uxlfoundation · Nov 19, 2024 · fde1797 · fde1797
1 parent 3ec199d
commit fde1797
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/include/oneapi/dpl/pstl/hetero/dpcpp/parallel_backend_sycl_merge.h b/include/oneapi/dpl/pstl/hetero/dpcpp/parallel_backend_sycl_merge.h
@@ -299,7 +299,7 @@ struct __parallel_merge_submitter_large<_IdType, _CustomName,
         _PRINT_INFO_IN_DEBUG_MODE(__exec);
 
         // Empirical number of values to process per work-item
-        const _IdType __chunk = __exec.queue().get_device().is_cpu() ? 128 : 8;
+        const _IdType __chunk = __exec.queue().get_device().is_cpu() ? 128 : 4;
         assert(__chunk > 0);
 
         // Pessimistically only use half of the memory to take into account memory used by compiled kernel