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/*******************************************************************************
* Copyright 2017-2018 Intel Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*******************************************************************************/
#ifndef CPU_JIT_UNI_ELTWISE_HPP
#define CPU_JIT_UNI_ELTWISE_HPP
#include <assert.h>
#include "c_types_map.hpp"
#include "type_helpers.hpp"
#include "utils.hpp"
#include "cpu_eltwise_pd.hpp"
#include "cpu_primitive.hpp"
#include "jit_generator.hpp"
namespace mkldnn {
namespace impl {
namespace cpu {
template <cpu_isa_t isa>
struct jit_uni_eltwise_injector_f32 {
using Vmm = typename utils::conditional3<isa == sse42, Xbyak::Xmm,
isa == avx2, Xbyak::Ymm, Xbyak::Zmm>::type;
jit_uni_eltwise_injector_f32(jit_generator *host, alg_kind_t alg,
float alpha, float beta, bool save_state = true,
Xbyak::Reg64 p_table = Xbyak::util::rax,
Xbyak::Opmask k_mask = Xbyak::Opmask(1))
: alg_(alg), alpha_(alpha), beta_(beta), h(host)
, save_state_(save_state), p_table(p_table), k_mask(k_mask)
{
using namespace alg_kind;
assert(utils::one_of(isa, sse42, avx2, avx512_common));
assert(utils::one_of(alg_, eltwise_relu, eltwise_tanh, eltwise_elu,
eltwise_square, eltwise_abs, eltwise_sqrt, eltwise_linear,
eltwise_bounded_relu, eltwise_soft_relu, eltwise_logistic));
}
// note that eltwise.scale is ignored
jit_uni_eltwise_injector_f32(jit_generator *host,
const post_ops_t::entry_t::eltwise_t &eltwise,
bool save_state = true, Xbyak::Reg64 p_table = Xbyak::util::rax,
Xbyak::Opmask k_mask = Xbyak::Opmask(1))
: jit_uni_eltwise_injector_f32(host, eltwise.alg, eltwise.alpha,
eltwise.beta, save_state, p_table, k_mask) {}
void compute_vector_range(size_t start_idx, size_t end_idx);
void compute_vector(size_t idx) { compute_vector_range(idx, idx + 1); }
void prepare_table(bool gen_table=true);
void load_table_addr() { h->mov(p_table, l_table); }
const alg_kind_t alg_;
const float alpha_;
const float beta_;
jit_generator * const h;
const bool save_state_;
const Xbyak::Reg64 p_table;
const Xbyak::Opmask k_mask;
Xbyak::Label l_table;
private:
// if only the injector was inherited from jit_generator...
enum {
_cmp_le_os = jit_generator::_cmp_le_os,
_cmp_nle_us = jit_generator::_cmp_nle_us,
_op_floor = jit_generator::_op_floor,
};
size_t vlen = cpu_isa_traits<isa>::vlen;
const static size_t preserved_vecs_max = 5;
size_t vecs_to_preserve = 0;
size_t vecs_count = isa == avx512_common ? 32 : 16;
size_t preserved_vecs_count = 0;
size_t preserved_vec_idxs[preserved_vecs_max] = {0};
size_t start_idx_tail = 0;
Vmm vmm_mask, vmm_aux0, vmm_aux1, vmm_aux2, vmm_aux3, vmm_aux4;
Xbyak::Address table_val(int index)
{ return h->ptr[p_table + index * vlen]; }
int aux_vecs_count(alg_kind_t alg);
void compute_body(size_t start_idx, size_t end_idx);
void injector_preamble(size_t start_idx, size_t end_idx);
void injector_preamble_tail(size_t start_idx);
void injector_postamble();
void assign_regs();
void exp_compute_vector(const Vmm &vmm_src);
void relu_compute_vector(const Vmm &vmm_src);
void relu_zero_ns_compute_vector(const Vmm &vmm_src);
void elu_compute_vector(const Vmm &vmm_src);
void tanh_compute_vector(const Vmm &vmm_src);
void square_compute_vector(const Vmm &vmm_src);
void abs_compute_vector(const Vmm &vmm_src);
void sqrt_compute_vector(const Vmm &vmm_src);
void linear_compute_vector(const Vmm &vmm_src);
void bounded_relu_compute_vector(const Vmm &vmm_src);
void soft_relu_compute_vector(const Vmm &vmm_src);
void logistic_compute_vector(const Vmm &vmm_src);
void relu_prepare_table();
void elu_prepare_table();
void soft_relu_prepare_table();
void abs_prepare_table();
void sqrt_prepare_table();
void linear_prepare_table();
void bounded_relu_prepare_table();
};
struct jit_uni_eltwise_kernel_f32;
template <cpu_isa_t isa>
struct jit_uni_eltwise_fwd_t : public cpu_primitive_t {
struct pd_t : public cpu_eltwise_fwd_pd_t {
using cpu_eltwise_fwd_pd_t::cpu_eltwise_fwd_pd_t;
DECLARE_COMMON_PD_T(
JIT_IMPL_NAME_HELPER("jit:", isa, ""),
jit_uni_eltwise_fwd_t<isa>);
status_t init();
};
jit_uni_eltwise_fwd_t(const pd_t *apd);
~jit_uni_eltwise_fwd_t();
typedef typename prec_traits<data_type::f32>::type data_t;
virtual status_t execute(const exec_ctx_t &ctx) const override {
execute_forward(ctx);
return status::success;
}
private:
void execute_forward(const exec_ctx_t &ctx) const;
const pd_t *pd() const { return (const pd_t *)primitive_t::pd(); }
jit_uni_eltwise_kernel_f32 *kernel_;
};
template <cpu_isa_t isa>
struct jit_uni_eltwise_bwd_t : public cpu_primitive_t {
struct pd_t : public cpu_eltwise_bwd_pd_t {
using cpu_eltwise_bwd_pd_t::cpu_eltwise_bwd_pd_t;
DECLARE_COMMON_PD_T(
JIT_IMPL_NAME_HELPER("jit:", isa, ""),
jit_uni_eltwise_bwd_t<isa>);
status_t init();
};
jit_uni_eltwise_bwd_t(const pd_t *apd);
~jit_uni_eltwise_bwd_t();
typedef typename prec_traits<data_type::f32>::type data_t;
virtual status_t execute(const exec_ctx_t &ctx) const override {
execute_backward(ctx);
return status::success;
}
private:
void execute_backward(const exec_ctx_t &ctx) const;
const pd_t *pd() const { return (const pd_t *)primitive_t::pd(); }
jit_uni_eltwise_kernel_f32 *kernel_;
};
}
}
}
#endif
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