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Here adds two kernels for Arm SVE vector extensions. 1. a gemm kernel for double at sizes 8x8. 2. a packm kernel for double at dimension 8xk. To achive best performance, variable length agonostic programming is not used. Vector length (VL) of 256 bits is mandated in both kernels. Kernels to support other VLs can be added later. "SVE is a vector extension for AArch64 execution mode for the A64 instruction set of the Armv8 architecture. Unlike other SIMD architectures, SVE does not define the size of the vector registers, but constrains into a range of possible values, from a minimum of 128 bits up to a maximum of 2048 in 128-bit wide units. Therefore, any CPU vendor can implement the extension by choosing the vector register size that better suits the workloads the CPU is targeting. Instructions are provided specifically to query an implementation for its register size, to guarantee that the applications can run on different implementations of the ISA without the need to recompile the code." [1] [1] https://developer.arm.com/solutions/hpc/resources/hpc-white-papers/arm-scalable-vector-extensions-and-application-to-machine-learning Signed-off-by: Guodong Xu <guodong.xu@linaro.org>
38 lines
1.7 KiB
C
38 lines
1.7 KiB
C
/*
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BLIS
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An object-based framework for developing high-performance BLAS-like
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libraries.
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Copyright (C) 2014, The University of Texas at Austin
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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- Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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- Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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- Neither the name(s) of the copyright holder(s) nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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GEMM_UKR_PROT( double, d, gemm_armsve256_asm_8x8 )
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PACKM_KER_PROT( double, d, packm_armsve256_asm_8xk )
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