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davmon01 avatar davmon01 commented on May 27, 2024 1

Hey Stawiski,
Thank you for your bug report we will take a look at it but unfortunately ArmNN and ACL are not actively being developed for Armv7 anymore.

Also just to let you know it's highly unlikely that the current version of ArmNN and ACL will provide a performance increase over the default TensorFlow implementation on a CPU which is this old.

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stawiski avatar stawiski commented on May 27, 2024 1

Hey Stawiski, Thank you for your bug report we will take a look at it but unfortunately ArmNN and ACL are not actively being developed for Armv7 anymore.

Also just to let you know it's highly unlikely that the current version of ArmNN and ACL will provide a performance increase over the default TensorFlow implementation on a CPU which is this old.

Thanks! You're right. Even though unit tests were failing I was able to build my own app using ArmNN API, and indeed the performance was poor. Switching to Tensorflow helped. 👍

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stawiski avatar stawiski commented on May 27, 2024

After building a debug version I can see that _arm_gemm isn't created for some reason.

===============================================================================
/cortex-a5/source/armnn/src/backends/neon/test/NeonEndToEndTests.cpp:151:
TEST SUITE: NeonEndToEnd
TEST CASE:  NeonBatchMatMulEndToEndInt8Test

/cortex-a5/source/armnn/src/backends/backendsCommon/test/EndToEndTestImpl.hpp:150: ERROR: CHECK( loadingStatus == Status::Success ) is NOT correct!
  values: CHECK( 1 == 0 )
  logged: An error occurred when preparing the network workloads:  in workspace src/cpu/operators/internal/CpuGemmAssemblyDispatch.cpp:890: _arm_gemm == nullptr

/cortex-a5/source/armnn/src/backends/neon/test/NeonEndToEndTests.cpp:151: ERROR: test case THREW exception: _Map_base::at

===============================================================================
/cortex-a5/source/armnn/src/backends/neon/test/NeonLayerTests.cpp:79:
TEST SUITE: Compute_ArmComputeNeon
TEST CASE:  BatchMatMul2DSimpleInt8

/cortex-a5/source/armnn/src/backends/neon/test/NeonLayerTests.cpp:79: ERROR: test case THREW exception: in workspace src/cpu/operators/internal/CpuGemmAssemblyDispatch.cpp:890: _arm_gemm == nullptr

===============================================================================

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