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authorBoris Fomitchev <bfomitchev@nvidia.com>2016-05-13 03:17:07 (GMT)
committerBrad King <brad.king@kitware.com>2016-05-19 14:52:32 (GMT)
commitcc95001b1cc20367ea127ea09ea91960782e65a3 (patch)
treeefdd5356e029549ea24504a0c186f66de30de81f /Modules
parente0da6c3b562f7fd25b83b00c432f016439c24c22 (diff)
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FindCUDA: Detect and report FP16 support
Reviewed-by: James Bigler <jamesbigler@gmail.com>
Diffstat (limited to 'Modules')
-rw-r--r--Modules/FindCUDA.cmake7
1 files changed, 7 insertions, 0 deletions
diff --git a/Modules/FindCUDA.cmake b/Modules/FindCUDA.cmake
index 4f52d25..0718116 100644
--- a/Modules/FindCUDA.cmake
+++ b/Modules/FindCUDA.cmake
@@ -264,6 +264,7 @@
# CUDA_VERSION_MINOR -- The minor version.
# CUDA_VERSION
# CUDA_VERSION_STRING -- CUDA_VERSION_MAJOR.CUDA_VERSION_MINOR
+# CUDA_HAS_FP16 -- Whether a short float (float16,fp16) is supported.
#
# CUDA_TOOLKIT_ROOT_DIR -- Path to the CUDA Toolkit (defined if not set).
# CUDA_SDK_ROOT_DIR -- Path to the CUDA SDK. Use this to find files in the
@@ -683,6 +684,12 @@ find_path(CUDA_TOOLKIT_INCLUDE
find_path(CUDA_TOOLKIT_INCLUDE device_functions.h)
mark_as_advanced(CUDA_TOOLKIT_INCLUDE)
+if (CUDA_VERSION VERSION_GREATER "7.0" OR EXISTS "${CUDA_TOOLKIT_INCLUDE}/cuda_fp16.h")
+ set(CUDA_HAS_FP16 TRUE)
+else()
+ set(CUDA_HAS_FP16 FALSE)
+endif()
+
# Set the user list of include dir to nothing to initialize it.
set (CUDA_NVCC_INCLUDE_ARGS_USER "")
set (CUDA_INCLUDE_DIRS ${CUDA_TOOLKIT_INCLUDE})