mirror of
https://github.com/ggml-org/llama.cpp.git
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c5d91a7400
* ggml-cpu: Add CPU backend support for KleidiAI library * Add environmental variable GGML_KLEIDIAI_SME * Add support for multithread LHS conversion * Switch kernel selection order to dotprod and i8mm * updates for review comments * More updates for review comments * Reorganize and rename KleidiAI files * Move ggml-cpu-traits.h to source file * Update cmake for SME build and add alignment for SME * Remove append GGML_USE_CPU_KLEIDIAI to the GGML_CDEF_PUBLIC list
62 lines
2.4 KiB
C
62 lines
2.4 KiB
C
// SPDX-FileCopyrightText: Copyright 2025 Arm Limited and/or its affiliates <open-source-office@arm.com>
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// SPDX-License-Identifier: MIT
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//
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#pragma once
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enum cpu_feature {
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CPU_FEATURE_NONE = 0,
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CPU_FEATURE_DOTPROD = 1,
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CPU_FEATURE_I8MM = 2,
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CPU_FEATURE_SVE = 4,
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CPU_FEATURE_SME = 8
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};
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inline cpu_feature& operator|=(cpu_feature& lhs, cpu_feature rhs) {
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lhs = static_cast<cpu_feature>(lhs | rhs);
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return lhs;
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}
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inline cpu_feature operator|(cpu_feature lhs, cpu_feature rhs) {
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return static_cast<cpu_feature>(static_cast<int>(lhs) | static_cast<int>(rhs));
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}
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struct kernel_info {
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size_t (*get_m_step)(void);
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size_t (*get_n_step)(void);
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size_t (*get_mr)(void);
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size_t (*get_nr)(void);
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size_t (*get_kr)(void);
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size_t (*get_sr)(void);
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size_t (*get_lhs_offset)(size_t m_idx, size_t k, size_t bl);
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size_t (*get_rhs_packed_offset)(size_t n_idx, size_t k, size_t bl);
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size_t (*get_dst_offset)(size_t m_idx, size_t n_idx, size_t stride);
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size_t (*get_dst_size)(size_t m, size_t n);
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void (*run_kernel)(size_t m, size_t n, size_t k, size_t bl, const void* lhs_packed, const void* rhs_packed,
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float* dst, size_t dst_stride_row, size_t dst_stride_col, float scalar_min, float scalar_max);
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};
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struct lhs_packing_info {
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size_t (*get_offset)(size_t m_idx, size_t lhs_stride);
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size_t (*get_packed_offset)(size_t m_idx, size_t k, size_t bl, size_t mr, size_t kr, size_t sr);
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size_t (*packed_size)(size_t m, size_t k, size_t bl, size_t mr, size_t kr, size_t sr);
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void (*pack_func)(size_t m, size_t k, size_t bl, size_t mr, size_t kr, size_t sr, size_t m_idx_start, const float* lhs,
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size_t lhs_stride, void* lhs_packed);
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bool require_aligned_m_idx;
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};
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struct rhs_packing_info {
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size_t (*packed_size)(size_t n, size_t k, size_t nr, size_t kr, size_t bl);
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void (*pack_func)(size_t num_groups, size_t n, size_t k, size_t nr, size_t kr, size_t sr, size_t bl, const uint8_t* rhs,
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const float* bias, void* rhs_packed, size_t extra_bytes, const struct kai_rhs_pack_qs4cxs1s0_param* params);
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};
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struct ggml_kleidiai_kernels {
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kernel_info gemm;
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kernel_info gemv;
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lhs_packing_info lhs_info;
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rhs_packing_info rhs_info;
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cpu_feature required_cpu;
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};
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ggml_kleidiai_kernels * ggml_kleidiai_select_kernels(cpu_feature cpu_features);
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