Merge pull request #38386 from reduz/new-lightmapper

New GPU lightmapper

1 files changed, 151 insertions, 0 deletions

diff --git a/thirdparty/oidn/mkl-dnn/src/cpu/cpu_isa_traits.hpp b/thirdparty/oidn/mkl-dnn/src/cpu/cpu_isa_traits.hpp
new file mode 100644
index 0000000000..da6e9dac8e
--- /dev/null
+++ b/thirdparty/oidn/mkl-dnn/src/cpu/cpu_isa_traits.hpp
@@ -0,0 +1,151 @@
+/*******************************************************************************
+* Copyright 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_ISA_TRAITS_HPP
+#define CPU_ISA_TRAITS_HPP
+
+#include <type_traits>
+
+#define XBYAK64
+#define XBYAK_NO_OP_NAMES
+/* in order to make selinux happy memory that would be marked with X-bit should
+ * be obtained with mmap */
+#define XBYAK_USE_MMAP_ALLOCATOR
+#if defined(_MSC_VER) && !defined(__INTEL_COMPILER)
+/* turn off `size_t to other-type implicit casting` warning
+ * currently we have a lot of jit-generated instructions that
+ * take uint32_t, but we pass size_t (e.g. due to using sizeof).
+ * FIXME: replace size_t parameters with the appropriate ones */
+#pragma warning (disable: 4267)
+#endif
+#include "xbyak/xbyak.h"
+#include "xbyak/xbyak_util.h"
+
+namespace mkldnn {
+namespace impl {
+namespace cpu {
+
+typedef enum {
+    isa_any,
+    sse41,
+    sse42,
+    avx,
+    avx2,
+    avx512_common,
+    avx512_core,
+    avx512_core_vnni,
+    avx512_mic,
+    avx512_mic_4ops,
+} cpu_isa_t;
+
+template <cpu_isa_t> struct cpu_isa_traits {}; /* ::vlen -> 32 (for avx2) */
+
+template <> struct cpu_isa_traits<sse42> {
+    typedef Xbyak::Xmm Vmm;
+    static constexpr int vlen_shift = 4;
+    static constexpr int vlen = 16;
+    static constexpr int n_vregs = 16;
+};
+template <> struct cpu_isa_traits<avx> {
+    typedef Xbyak::Ymm Vmm;
+    static constexpr int vlen_shift = 5;
+    static constexpr int vlen = 32;
+    static constexpr int n_vregs = 16;
+};
+template <> struct cpu_isa_traits<avx2>:
+    public cpu_isa_traits<avx> {};
+
+template <> struct cpu_isa_traits<avx512_common> {
+    typedef Xbyak::Zmm Vmm;
+    static constexpr int vlen_shift = 6;
+    static constexpr int vlen = 64;
+    static constexpr int n_vregs = 32;
+};
+template <> struct cpu_isa_traits<avx512_core>:
+    public cpu_isa_traits<avx512_common> {};
+
+template <> struct cpu_isa_traits<avx512_mic>:
+    public cpu_isa_traits<avx512_common> {};
+
+template <> struct cpu_isa_traits<avx512_mic_4ops>:
+    public cpu_isa_traits<avx512_common> {};
+
+namespace {
+
+static Xbyak::util::Cpu cpu;
+static inline bool mayiuse(const cpu_isa_t cpu_isa) {
+    using namespace Xbyak::util;
+
+    switch (cpu_isa) {
+    case sse41:
+    case sse42:
+        // FIXME: SSE4.2 is actually NOT required
+        //return cpu.has(Cpu::tSSE42);
+        return cpu.has(Cpu::tSSE41);
+    case avx:
+        return cpu.has(Cpu::tAVX);
+    case avx2:
+        return cpu.has(Cpu::tAVX2);
+    case avx512_common:
+        return cpu.has(Cpu::tAVX512F);
+    case avx512_core:
+        return true
+            && cpu.has(Cpu::tAVX512F)
+            && cpu.has(Cpu::tAVX512BW)
+            && cpu.has(Cpu::tAVX512VL)
+            && cpu.has(Cpu::tAVX512DQ);
+    case avx512_core_vnni:
+        return true
+            && cpu.has(Cpu::tAVX512F)
+            && cpu.has(Cpu::tAVX512BW)
+            && cpu.has(Cpu::tAVX512VL)
+            && cpu.has(Cpu::tAVX512DQ)
+            && cpu.has(Cpu::tAVX512_VNNI);
+    case avx512_mic:
+        return true
+            && cpu.has(Cpu::tAVX512F)
+            && cpu.has(Cpu::tAVX512CD)
+            && cpu.has(Cpu::tAVX512ER)
+            && cpu.has(Cpu::tAVX512PF);
+    case avx512_mic_4ops:
+        return true
+            && mayiuse(avx512_mic)
+            && cpu.has(Cpu::tAVX512_4FMAPS)
+            && cpu.has(Cpu::tAVX512_4VNNIW);
+    case isa_any:
+        return true;
+    }
+    return false;
+}
+}
+
+/* whatever is required to generate string literals... */
+#include "z_magic.hpp"
+#define JIT_IMPL_NAME_HELPER(prefix, isa, suffix_if_any) \
+    (isa == sse42 ? prefix STRINGIFY(sse42) : \
+    (isa == avx ? prefix STRINGIFY(avx) : \
+    (isa == avx2 ? prefix STRINGIFY(avx2) : \
+    (isa == avx512_common ? prefix STRINGIFY(avx512_common) : \
+    (isa == avx512_core ? prefix STRINGIFY(avx512_core) : \
+    (isa == avx512_mic ? prefix STRINGIFY(avx512_mic) : \
+    (isa == avx512_mic_4ops ? prefix STRINGIFY(avx512_mic_4ops) : \
+    prefix suffix_if_any)))))))
+
+}
+}
+}
+
+#endif