1 | /******************************************************************************* |
2 | * Copyright 2020-2022 Intel Corporation |
3 | * |
4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
5 | * you may not use this file except in compliance with the License. |
6 | * You may obtain a copy of the License at |
7 | * |
8 | * http://www.apache.org/licenses/LICENSE-2.0 |
9 | * |
10 | * Unless required by applicable law or agreed to in writing, software |
11 | * distributed under the License is distributed on an "AS IS" BASIS, |
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
13 | * See the License for the specific language governing permissions and |
14 | * limitations under the License. |
15 | *******************************************************************************/ |
16 | |
17 | #ifndef CPU_X64_PRELU_JIT_PRELU_REDUCTION_HPP |
18 | #define CPU_X64_PRELU_JIT_PRELU_REDUCTION_HPP |
19 | |
20 | #include <memory> |
21 | |
22 | #include "cpu/cpu_prelu_pd.hpp" |
23 | #include "cpu/x64/cpu_isa_traits.hpp" |
24 | #include "cpu/x64/jit_generator.hpp" |
25 | #include "cpu/x64/utils/jit_io_helper.hpp" |
26 | |
27 | namespace dnnl { |
28 | namespace impl { |
29 | namespace cpu { |
30 | namespace x64 { |
31 | |
32 | class jit_prelu_reduction_kernel_t : public jit_generator { |
33 | public: |
34 | static jit_prelu_reduction_kernel_t *create(const cpu_prelu_bwd_pd_t *pd); |
35 | |
36 | struct call_params_t { |
37 | size_t reduction_blocks = 0; |
38 | const void *weights_diff_scratch = nullptr; |
39 | void *weights_diff = nullptr; |
40 | bool tail = false; |
41 | bool is_last_c_blk = false; |
42 | }; |
43 | |
44 | void generate() override; |
45 | size_t simd_w() const; |
46 | DECLARE_CPU_JIT_AUX_FUNCTIONS(jit_prelu_reduction_kernel_t) |
47 | |
48 | void operator()(jit_prelu_reduction_kernel_t::call_params_t *params) { |
49 | jit_generator::operator()(params); |
50 | } |
51 | |
52 | private: |
53 | void load_kernel_call_params(); |
54 | virtual size_t get_unrolling_factor(bool tail) const = 0; |
55 | virtual void compute_dst(int unrolling_factor, bool tail) = 0; |
56 | virtual void prepare_kernel_const_vars(bool tail) = 0; |
57 | virtual void finalize(bool tail) = 0; |
58 | void generate(bool tail); |
59 | |
60 | const Xbyak::Reg64 ®_reduction_blocks_ = r8; |
61 | const Xbyak::Reg64 ®_weights_diff_scratch_ = r10; |
62 | const Xbyak::Reg8 ®_tail_ = r12b; |
63 | |
64 | const size_t scratchpad_c_block_offset_ = 0; |
65 | |
66 | protected: |
67 | jit_prelu_reduction_kernel_t(const cpu_prelu_bwd_pd_t *pd, int simd_w); |
68 | Xbyak::Address diff_scratch_ptr(int unrolling_group) const; |
69 | int reserve_vmm(); |
70 | |
71 | const size_t simd_w_ = 0; |
72 | const data_type_t data_type_; |
73 | const size_t tail_size_ = 0; |
74 | const Xbyak::Reg64 ®_offset_ = r9; |
75 | const Xbyak::Reg64 ®_weights_diff_ = r11; |
76 | const Xbyak::Reg8 ®_last_c_blk_byte_ = r13b; |
77 | size_t number_reserved_vmms_ = 0; |
78 | size_t tail_block_size_ = 0; |
79 | size_t c_blk_nelems_ = 0; |
80 | }; |
81 | |
82 | template <typename Vmm> |
83 | class jit_uni_prelu_reduction_kernel_t : public jit_prelu_reduction_kernel_t { |
84 | public: |
85 | jit_uni_prelu_reduction_kernel_t( |
86 | const cpu_prelu_bwd_pd_t *pd, const cpu_isa_t &isa); |
87 | |
88 | private: |
89 | size_t get_unrolling_factor(bool tail) const override; |
90 | void prepare_kernel_const_vars(bool tail) override; |
91 | void finalize(bool tail) override; |
92 | void compute_dst(int unrolling_factor, bool tail) override; |
93 | |
94 | const cpu_isa_t isa_; |
95 | const bool saturation_needed_; |
96 | const Vmm tail_vmm_mask_; // Keep it higher to preserve idx=0 tail register |
97 | const Vmm accumulator_; |
98 | const Vmm saturation_lower_bound_; |
99 | const Vmm saturation_upper_bound_; |
100 | |
101 | const Xbyak::Opmask &tail_opmask_ = k1; |
102 | const Xbyak::Reg64 ®_tmp_ = r15; |
103 | |
104 | io::jit_io_helper_t<Vmm> io_; |
105 | }; |
106 | |
107 | } // namespace x64 |
108 | } // namespace cpu |
109 | } // namespace impl |
110 | } // namespace dnnl |
111 | |
112 | #endif |
113 | |