IVGCVSW-5335 Documentation for fast_math

 * Changed documentation for fast_math to add warning about possibly reduction in precision.

Signed-off-by: Mike Kelly <mike.kelly@arm.com>
Change-Id: If954471efc6aef702e8490585571815d9e19b3fc

diff --git a/tests/ExecuteNetwork/ExecuteNetwork.cpp b/tests/ExecuteNetwork/ExecuteNetwork.cpp
index c15e33f..58f1bd3 100644 (file)
--- a/tests/ExecuteNetwork/ExecuteNetwork.cpp
+++ b/tests/ExecuteNetwork/ExecuteNetwork.cpp
@@ -139,7 +139,8 @@ int main(int argc, const char* argv[])
                 "Infers output tensor shape from input tensor shape and validate where applicable (where supported by "
                 "parser)")
             ("enable-fast-math", po::bool_switch()->default_value(false),
-             "Enable fast_math computation of Convolution2D operator where applicable (where supported by backend)");
+             "Enables fast_math options in backends that support it. Using the fast_math flag can lead to "
+             "performance improvements but may result in reduced or different precision.");
     }
     catch (const std::exception& e)
     {