Add quantized support for unary elementwise in CPU
* Add quantized unary elementwise in CPU using LUT.
* Widen the input data range of the test suite.
- Fix CPU exponential function overflow/underflow range.
- Fix saturation issue of CL round operator.
Resolves: COMPMID-5763
Signed-off-by: Viet-Hoa Do <viet-hoa.do@arm.com>
Change-Id: I41445de2b4a33ec6b01e0ab701516c240c852d0b
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/9367
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Jakub Sujak <jakub.sujak@arm.com>
Reviewed-by: Pablo Marquez Tello <pablo.tello@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Benchmark: Arm Jenkins <bsgcomp@arm.com>
diff --git a/src/cpu/kernels/CpuElementwiseUnaryKernel.h b/src/cpu/kernels/CpuElementwiseUnaryKernel.h
index 138049a..00188f0 100644
--- a/src/cpu/kernels/CpuElementwiseUnaryKernel.h
+++ b/src/cpu/kernels/CpuElementwiseUnaryKernel.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2018-2022 Arm Limited.
+ * Copyright (c) 2018-2023 Arm Limited.
*
* SPDX-License-Identifier: MIT
*
@@ -42,7 +42,8 @@
class CpuElementwiseUnaryKernel : public ICpuKernel<CpuElementwiseUnaryKernel>
{
private:
- using ElementwiseUnaryUkernelPtr = std::add_pointer<void(const ITensor *, ITensor *, const Window &, ElementWiseUnary)>::type;
+ using ElementwiseUnaryUkernelPtr = std::add_pointer<void(const ITensor *, ITensor *, const Window &, ElementWiseUnary, const uint8_t *)>::type;
+ using ElementwiseUnaryPreparePtr = std::add_pointer<std::unique_ptr<uint8_t[]>(ElementWiseUnary op, const ITensorInfo *, const ITensorInfo *)>::type;
public:
CpuElementwiseUnaryKernel() = default;
@@ -72,6 +73,7 @@
const char *name;
const DataTypeISASelectorPtr is_selected;
ElementwiseUnaryUkernelPtr ukernel;
+ ElementwiseUnaryPreparePtr prepare_func;
};
static const std::vector<ElementwiseUnaryKernel> &get_available_kernels();
@@ -80,6 +82,7 @@
ElementWiseUnary _op{};
ElementwiseUnaryUkernelPtr _run_method{ nullptr };
std::string _name{};
+ std::unique_ptr<uint8_t[]> _lut{};
};
} // namespace kernels
} // namespace cpu