New lightmapper

-Added LocalVector (needed it)
-Added stb_rect_pack (It's pretty cool, we could probably use it for other stuff too)
-Fixes and changes all around the place
-Added library for 128 bits fixed point (required for Delaunay3D)

1 files changed, 193 insertions, 0 deletions

diff --git a/thirdparty/oidn/mkl-dnn/src/cpu/jit_uni_eltwise.hpp b/thirdparty/oidn/mkl-dnn/src/cpu/jit_uni_eltwise.hpp
new file mode 100644
index 0000000000..45436b9f46
--- /dev/null
+++ b/thirdparty/oidn/mkl-dnn/src/cpu/jit_uni_eltwise.hpp
@@ -0,0 +1,193 @@
+/*******************************************************************************
+* 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