IVGCVSW-3595 Implement the LoadDynamicBackends function in the Runtime class
* Changed the way the handle is acquired, loaded symbols are now kept local
* Updated the makefiles to add more test files for the dynamic backends
* Fixed the GetSharedObjects method so that the files are parsed in
alphabetical order
* Updated the unit tests to make them more strict wrt the order of the
files
* Created a new CreateDynamicBackends method in the utils class
* Added new unit tests for the new function
* Added LoadDynamicBackends in the Runtime class
!android-nn-driver:1707
Change-Id: I1ef9ff3d5455ca6a7fd51cb7cfb3819686234f70
Signed-off-by: Matteo Martincigh <matteo.martincigh@arm.com>
diff --git a/src/armnn/Runtime.cpp b/src/armnn/Runtime.cpp
index f8b2462..3505030 100644
--- a/src/armnn/Runtime.cpp
+++ b/src/armnn/Runtime.cpp
@@ -5,8 +5,11 @@
#include "Runtime.hpp"
#include <armnn/Version.hpp>
+
#include <backendsCommon/BackendRegistry.hpp>
#include <backendsCommon/IBackendContext.hpp>
+#include <backendsCommon/DynamicBackendUtils.hpp>
+#include <backendsCommon/DynamicBackend.hpp>
#include <iostream>
@@ -134,6 +137,10 @@
{
BOOST_LOG_TRIVIAL(info) << "ArmNN v" << ARMNN_VERSION << "\n";
+ // Load any available/compatible dynamic backend before the runtime
+ // goes through the backend registry
+ LoadDynamicBackends(options.m_DynamicBackendsPath);
+
for (const auto& id : BackendRegistryInstance().GetBackendIds())
{
// Store backend contexts for the supported ones
@@ -237,4 +244,16 @@
loadedNetwork->RegisterDebugCallback(func);
}
+void Runtime::LoadDynamicBackends(const std::string& overrideBackendPath)
+{
+ // Get the paths where to load the dynamic backends from
+ std::vector<std::string> backendPaths = DynamicBackendUtils::GetBackendPaths(overrideBackendPath);
+
+ // Get the shared objects to try to load as dynamic backends
+ std::vector<std::string> sharedObjects = DynamicBackendUtils::GetSharedObjects(backendPaths);
+
+ // Create a list of dynamic backends
+ DynamicBackendUtils::CreateDynamicBackends(sharedObjects);
}
+
+} // namespace armnn