added doc for cudftestutil_compilation method

rapidsai · Oct 16, 2024 · f306a6e · f306a6e
1 parent 991f157
commit f306a6e
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/cpp/tests/CMakeLists.txt b/cpp/tests/CMakeLists.txt
@@ -17,6 +17,10 @@
 ###################################################################################################
 # - compiler function -----------------------------------------------------------------------------
 
+# cudftestutil_impl is an interface source library, this empty object 
+# library is used to speed-up compilation and linking against it, 
+# otherwise we pay the non-trivial compilation cost repeatedly for each
+# test executable
 add_library(cuspatial_test_common OBJECT test_common.cpp)
 
 target_compile_features(cuspatial_test_common PUBLIC cxx_std_17 cuda_std_17)