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Add testing for CDP seq fallbacks when RDC is disabled.
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alliepiper committed May 10, 2022
1 parent c4eadef commit 09d98e7
Showing 1 changed file with 10 additions and 6 deletions.
16 changes: 10 additions & 6 deletions testing/cuda/CMakeLists.txt
Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,10 @@ file(GLOB test_srcs

# These tests always build with RDC, so make sure that the sm_XX flags are
# compatible. See note in ThrustCudaConfig.cmake.
# TODO once we're using CUDA_ARCHITECTURES, we can setup non-rdc fallback
# tests to build for non-rdc arches. But for now, all files in a given directory
# must build with the same `CMAKE_CUDA_FLAGS` due to CMake constraints around
# how CUDA_FLAGS works.
set(CMAKE_CUDA_FLAGS "${THRUST_CUDA_FLAGS_BASE} ${THRUST_CUDA_FLAGS_RDC}")

foreach(thrust_target IN LISTS THRUST_TARGETS)
Expand All @@ -18,11 +22,11 @@ foreach(thrust_target IN LISTS THRUST_TARGETS)
get_filename_component(test_name "${test_src}" NAME_WLE)
string(PREPEND test_name "cuda.")

thrust_add_test(test_target ${test_name} "${test_src}" ${thrust_target})

# All in testing/cuda will test device-side launch (aka calling parallel
# algorithms from device code), which requires the CUDA device-side runtime,
# which requires RDC, so these always need to be built with RDC.
thrust_enable_rdc_for_cuda_target(${test_target})
# Create two targets, one with RDC enabled, the other without. This tests
# both device-side behaviors -- the CDP kernel launch with RDC, and the
# serial fallback path without RDC.
thrust_add_test(seq_test_target ${test_name}.cdp_0 "${test_src}" ${thrust_target})
thrust_add_test(cdp_test_target ${test_name}.cdp_1 "${test_src}" ${thrust_target})
thrust_enable_rdc_for_cuda_target(${cdp_test_target})
endforeach()
endforeach()

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