inference-engine/thirdparty/mkl-dnn/src/cpu/jit_avx512_core_bf16_1x1_conv_kernel.hpp

   1 /*******************************************************************************
   2 * Copyright 2019 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 JIT_AVX512_CORE_BF16_1x1_CONV_KERNEL_HPP
  18 #define JIT_AVX512_CORE_BF16_1x1_CONV_KERNEL_HPP
  19
  20 #include "c_types_map.hpp"
  21 #include "jit_generator.hpp"
  22 #include "jit_primitive_conf.hpp"
  23 #include "jit_uni_eltwise.hpp"
  24 #include "jit_avx512_core_bf16cvt.hpp"
  25
  26 //#define BF16_CONV_1x1_BWD_W_JIT_KER_USES_PERMW_TRANSPOSITION
  27
  28 namespace mkldnn {
  29 namespace impl {
  30 namespace cpu {
  31
  32 namespace { const size_t code_size_bf16_bwd_w = 1024 * 1024; }
  33
  34 struct jit_avx512_core_bf16_1x1_conv_kernel : public jit_generator {
  35     jit_avx512_core_bf16_1x1_conv_kernel(jit_1x1_conv_conf_t ajcp,
  36             const primitive_attr_t &attr) :
  37     jit_generator(nullptr, ker_code_size),
  38     jcp(ajcp), attr_(attr)
  39     , eltwise_injector_(nullptr)
  40     , bf16_emu_(nullptr)
  41     {
  42         if (jcp.with_eltwise)
  43             eltwise_injector_ = new jit_uni_eltwise_injector_f32<avx512_common>(
  44                     this, jcp.eltwise);
  45
  46         if (!mayiuse(avx512_core_bf16))
  47             bf16_emu_ = new bf16_emulation_t(this,
  48                     bf16_emu_reserv_1, bf16_emu_reserv_2,
  49                     bf16_emu_reserv_3, bf16_emu_reserv_4,
  50                     bf16_emu_reserv_5, bf16_emu_reserv_6);
  51
  52         this->generate();
  53         jit_ker = (void (*)(jit_1x1_conv_call_s *)) this->getCode();
  54     }
  55
  56     ~jit_avx512_core_bf16_1x1_conv_kernel() {
  57         delete eltwise_injector_;
  58         delete bf16_emu_;
  59     }
  60
  61     DECLARE_CPU_JIT_AUX_FUNCTIONS(jit_avx512_core_bf16_1x1_conv_kernel)
  62
  63     static bool post_ops_ok(jit_1x1_conv_conf_t &jcp,
  64                                 const primitive_attr_t &attr);
  65
  66     static status_t init_conf(jit_1x1_conv_conf_t &jcp,
  67             const convolution_desc_t &cd,
  68             const memory_desc_wrapper &src_d,
  69             const memory_desc_wrapper &weights_d,
  70             const memory_desc_wrapper &dst_d,
  71             const primitive_attr_t &attr,
  72             int nthreads, bool reduce_src);
  73
  74     static void init_scratchpad(memory_tracking::registrar_t &scratchpad,
  75             const jit_1x1_conv_conf_t &jcp);
  76
  77     jit_1x1_conv_conf_t jcp;
  78     const primitive_attr_t &attr_;
  79     void (*jit_ker)(jit_1x1_conv_call_s *);
  80
  81   private:
  82     using reg64_t = const Xbyak::Reg64;
  83     using zmm_t = const Xbyak::Zmm;
  84     using mask_t = const Xbyak::Opmask;
  85     enum {
  86         ker_code_size = 1024 * 1024,
  87     };
  88
  89     reg64_t reg_bcast_data = r8;
  90     reg64_t reg_load_data = r10;
  91     reg64_t reg_output_data = r9;
  92     reg64_t aux_reg_bcast_data = r14;
  93     reg64_t aux1_reg_bcast_data = rbx;
  94     reg64_t aux_reg_load_data = r15;
  95     reg64_t imm_addr64 = aux_reg_load_data;
  96     reg64_t aux_reg_output_data = abi_not_param1;
  97     reg64_t reg_load_loop_work = rsi;
  98     reg64_t reg_reduce_loop_work = r11;
  99     reg64_t bcast_loop_iter = rdx;
 100     reg64_t reduce_loop_iter = abi_param1;
 101     reg64_t reg_reduce_pos_flag = rax;
 102     reg64_t reg_output_stride = r13;
 103     reg64_t reg_bias_data = r12;
 104     reg64_t reg_bcast_loop_work = aux1_reg_bcast_data;
 105     reg64_t reg_trans_tmp = rax;
 106
 107     mask_t vmask = k7;
 108
 109     Xbyak::Xmm xmm_relu_ns = Xbyak::Xmm(30);
 110     Xbyak::Zmm zmm_relu_ns = Xbyak::Zmm(30);
 111     Xbyak::Zmm zmm_zero = Xbyak::Zmm(31);
 112     Xbyak::Zmm vreg_bcast = Xbyak::Zmm(31);
 113
 114     Xbyak::Zmm bf16_emu_reserv_1 = Xbyak::Zmm(25);
 115     Xbyak::Zmm bf16_emu_reserv_2 = Xbyak::Zmm(26);
 116     Xbyak::Zmm bf16_emu_reserv_3 = Xbyak::Zmm(27);
 117     reg64_t bf16_emu_reserv_4 = imm_addr64;
 118     Xbyak::Zmm bf16_emu_reserv_5 = Xbyak::Zmm(28);
 119     Xbyak::Zmm bf16_emu_reserv_6 = Xbyak::Zmm(29);
 120
 121     Xbyak::Zmm zmm_tmp2 = Xbyak::Zmm(30);
 122
 123     Xbyak::Label dst_prm_table;
 124
 125     jit_uni_eltwise_injector_f32<avx512_common> *eltwise_injector_;
 126
 127     int bcast_loop_work_offt = 0;
 128 #ifdef BF16_CONV_1x1_BWD_W_JIT_KER_USES_PERMW_TRANSPOSITION
 129     int perm_reg_offset = 8;
 130     int broadcast_space = 24;
 131 #endif
 132     int stack_space_needed = 96;
 133
 134     void bcast_loop(int load_loop_blk);
 135     void reduce_loop(int load_loop_blk, int ur, int substep, bool wraparound);
 136
 137     void generate();
 138     static void balance(jit_1x1_conv_conf_t &jcp, int nthreads);
 139
 140     bf16_emulation_t *bf16_emu_;
 141 };
 142 }
 143 }
 144 }
 145
 146 #endif