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Diffstat (limited to 'src/backends/README.md')
| -rw-r--r-- | src/backends/README.md | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/src/backends/README.md b/src/backends/README.md index 60e4d0baa7..c269ea08da 100644 --- a/src/backends/README.md +++ b/src/backends/README.md @@ -116,8 +116,12 @@ The interface functions to be implemented are: virtual IBackendContextPtr CreateBackendContext(const IRuntime::CreationOptions&) const = 0; virtual Optimizations GetOptimizations() const = 0; virtual ILayerSupportSharedPtr GetLayerSupport() const = 0; + virtual SubGraphUniquePtr OptimizeSubGraph(const SubGraph& subGraph, bool& optimizationAttempted) const = 0; ``` +Note that ```GetOptimizations()``` has been deprecated. +The method ```OptimizeSubGraph(...)``` should be used instead to specific optimizations to a given sub-graph. + The ArmNN framework then creates instances of the IBackendInternal interface with the help of the [BackendRegistry](backendsCommon/BackendRegistry.hpp) singleton. @@ -186,9 +190,12 @@ mechanism: ## The Optimizations -The backends may choose to implement backend-specific optimizations. This is supported through the ```GetOptimizations()``` -method of the IBackendInternal interface. This function may return a vector of optimization objects and the optimizer -runs these after all general optimization is performed on the network. +The backends may choose to implement backend-specific optimizations. +This is supported through the method ```OptimizeSubGraph(...)``` to the backend interface +that allows the backends to apply their specific optimizations to a given sub-grah. + +The way backends had to provide a list optimizations to the Optimizer (through the ```GetOptimizations()``` method) +is still in place for backward compatibility, but it's now considered deprecated and will be remove in a future release. ## The IBackendContext interface |