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author | telsoa01 <telmo.soares@arm.com> | 2018-03-09 14:13:49 +0000 |
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committer | telsoa01 <telmo.soares@arm.com> | 2018-03-09 14:13:49 +0000 |
commit | 4fcda0101ec3d110c1d6d7bee5c83416b645528a (patch) | |
tree | c9a70aeb2887006160c1b3d265c27efadb7bdbae /src/armnn/Optimizer.cpp | |
download | armnn-4fcda0101ec3d110c1d6d7bee5c83416b645528a.tar.gz |
Release 18.02
Change-Id: Id3c11dc5ee94ef664374a988fcc6901e9a232fa6
Diffstat (limited to 'src/armnn/Optimizer.cpp')
-rw-r--r-- | src/armnn/Optimizer.cpp | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/src/armnn/Optimizer.cpp b/src/armnn/Optimizer.cpp new file mode 100644 index 0000000000..85b9f2803c --- /dev/null +++ b/src/armnn/Optimizer.cpp @@ -0,0 +1,55 @@ +// +// Copyright © 2017 Arm Ltd. All rights reserved. +// See LICENSE file in the project root for full license information. +// +#include "Optimizer.hpp" +#include "optimizations/All.hpp" + +namespace armnn +{ + +const Optimizer& Optimizer::Get() +{ + // Add optimizations here + static optimizations::SquashEqualPermuteSiblings squashEqualPermuteSiblings; + static optimizations::SquashEqualReshapeSiblings squashEqualReshapeSiblings; + static optimizations::OptimizeInversePermutes optimizeInversePermutes; + static optimizations::MovePermuteUp movePermuteUp; + static optimizations::PermuteAsReshape permuteAsReshape; + static optimizations::OptimizeConsecutiveReshapes optimizeConsecutiveReshapes; + + // Set optimizations in desired order + static const Optimizer optimizer({ + &squashEqualPermuteSiblings, + &squashEqualReshapeSiblings, + &optimizeInversePermutes, + &movePermuteUp, + &permuteAsReshape, + &optimizeConsecutiveReshapes, + }); + + return optimizer; +} + +void Optimizer::Optimize(Graph& graph) const +{ + auto it = graph.TopologicalSort().end(); + // Call TopologicalSort() in every iteration to re-order the list in case layers where added/removed. + while (it != graph.TopologicalSort().begin()) + { + --it; + for (auto&& optimization : m_Optimizations) + { + optimization->Run(graph, it); + + if ((*it)->IsOutputUnconnected()) + { + it = graph.EraseLayer(it); + break; + } + } + } +} + + +} // namespace armnn |