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KhronosGroup · Oct 12, 2023 · 76b03b9 · 76b03b9
1 parent b0103be
commit 76b03b9
Showing 1 changed file with 5 additions and 3 deletions.
diff --git a/tests/range/CMakeLists.txt b/tests/range/CMakeLists.txt
@@ -1,9 +1,11 @@
 file(GLOB test_cases_list *.cpp)
 
 if(SYCL_IMPLEMENTATION STREQUAL "DPCPP")
-  # For DPCPP, range rounding is disabled globally. However,
-  # the range_api test needs range rounding enabled to pass,
-  # so renable it here.
+  # in FindDPCPP.cmake, range rounding is disabled globally to reduce
+  # the number of kernels generated per range parallel_for. However,
+  # range rounding enables launching of kernels over >32bit ranges,
+  # and the range_api test in full conformance such kernel launches
+  # over large ranges, so we renable it here.
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -U__SYCL_DISABLE_PARALLEL_FOR_RANGE_ROUNDING__")
 endif()