commit 7ed56dd5808d483ab8e294f36e3ecf8e8ddd84f1
author Mike Kelly <mike.kelly@arm.com> Wed Sep 30 20:22:56 2020 +0100
committer mike.kelly <mike.kelly@arm.com> Wed Sep 30 19:41:56 2020 +0000
tree b53d5499204280f539e17e7f66d0d4e7790863c2
parent 9b088d9c275ed11ca39f8b035e02a68f681c5d45

MLCE-233 Added ability to enable fast_math through the NNAPI driver

 * Added -a command line option to enable fast_math on Neon/CL when launching the NNAPI driver
 * The invocation will look something like:
   /vendor/bin/hw/android.hardware.neuralnetworks@1.3-service-armnn -v -c GpuAcc -n arm-armnn -a
 * Enabling fast_math may cause an increase in VTS or CTS test failures due to a change in precision

Signed-off-by: Mike Kelly <mike.kelly@arm.com>
Change-Id: Ifd8931f95efd65d3ae3aca9d9d61bd381e4e24a5

DriverOptions.cpp

diff --git a/DriverOptions.cpp b/DriverOptions.cpp
index 1f534b6..d179d65 100644
--- a/DriverOptions.cpp
+++ b/DriverOptions.cpp
@@ -35,6 +35,7 @@
     , m_ClTuningLevel(armnn::IGpuAccTunedParameters::TuningLevel::Rapid)
     , m_EnableGpuProfiling(false)
     , m_fp16Enabled(fp16Enabled)
+    , m_FastMathEnabled(false)
 {
 }
 
@@ -45,6 +46,7 @@
     , m_ClTuningLevel(armnn::IGpuAccTunedParameters::TuningLevel::Rapid)
     , m_EnableGpuProfiling(false)
     , m_fp16Enabled(fp16Enabled)
+    , m_FastMathEnabled(false)
 {
 }
 
@@ -54,6 +56,7 @@
     , m_ClTuningLevel(armnn::IGpuAccTunedParameters::TuningLevel::Rapid)
     , m_EnableGpuProfiling(false)
     , m_fp16Enabled(false)
+    , m_FastMathEnabled(false)
 {
     namespace po = boost::program_options;
 
@@ -104,6 +107,10 @@
          "exhaustive approach "
          "rapid: only 3 lws values should be tested for each kernel ")
 
+        ("fast-math,a",
+         po::bool_switch(&m_FastMathEnabled),
+         "Turns FastMath on")
+
         ("gpu-profiling,p",
          po::bool_switch(&m_EnableGpuProfiling),
          "Turns GPU profiling on")