1 files changed, 105 insertions, 0 deletions
diff --git a/src/core/NEON/kernels/arm_gemm/gemm_qint8.cpp b/src/core/NEON/kernels/arm_gemm/gemm_qint8.cpp
new file mode 100644
index 0000000000..73d0c272a6
--- /dev/null
+++ b/src/core/NEON/kernels/arm_gemm/gemm_qint8.cpp
@@ -0,0 +1,105 @@
+/*
+ * Copyright (c) 2019 Arm Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifdef __aarch64__
+
+#include "arm_gemm.hpp"
+
+#include "kernels/a64_hybrid_s8s32_dot_16x4.hpp"
+#include "kernels/a64_smallK_hybrid_s8s32_dot_4x6.hpp"
+#include "kernels/a64_smallK_hybrid_s8s32_dot_4x8.hpp"
+#include "kernels/sve_hybrid_s8s32_dot_4VLx4.hpp"
+#include "kernels/sve_smallK_hybrid_s8s32_dot_1VLx8.hpp"
+
+#include "gemm_hybrid_quantized.hpp"
+#include "quantize_wrapper.hpp"
+
+namespace arm_gemm {
+
+static const GemmImplementation<int8_t, int8_t, Requantize32> gemm_qint8_methods[] =
+{
+#ifdef __ARM_FEATURE_SVE
+{
+    GemmMethod::GEMM_HYBRID_QUANTIZED,
+    "smallK_hybrid_s8s32_dot_1VLx8",
+    [](const GemmArgs &args, const Requantize32 &) { return args._Ksize<=64 && !args._trA && args._pretransposed_hint; },
+    nullptr,
+    [](const GemmArgs &args, const Requantize32 &qp) { return new GemmHybridQuantized<smallK_hybrid_s8s32_dot_1VLx8, int8_t, int8_t>(args, qp); }
+},
+{
+    GemmMethod::GEMM_HYBRID_QUANTIZED,
+    "hybrid_s8s32_dot_4VLx4",
+    [](const GemmArgs &args, const Requantize32 &) { return args._Ksize>=16 && !args._trA && !args._trB && args._pretransposed_hint; },
+    [](const GemmArgs &args, const Requantize32 &) { return ((args._Ksize <= 128) && (args._Nsize <= 128)) || ((args._nmulti > 1) && ((args._Msize / args._maxthreads) < 8)); },
+    [](const GemmArgs &args, const Requantize32 &qp) { return new GemmHybridQuantized<hybrid_s8s32_dot_4VLx4, int8_t, int8_t>(args, qp); }
+},
+#endif
+{
+    GemmMethod::GEMM_HYBRID_QUANTIZED,
+    "smallK_hybrid_s8s32_dot_4x8",
+    [](const GemmArgs &args, const Requantize32 &) { return args._ci->has_dotprod() && (args._Nsize % 4 == 0) && (args._Ksize<=32) && !args._trA && args._pretransposed_hint; },
+    nullptr,
+    [](const GemmArgs &args, const Requantize32 &qp) { return new GemmHybridQuantized<smallK_hybrid_s8s32_dot_4x8, int8_t, int8_t>(args, qp); }
+},
+{
+    GemmMethod::GEMM_HYBRID_QUANTIZED,
+    "smallK_hybrid_s8s32_dot_4x6",
+    [](const GemmArgs &args, const Requantize32 &) { return args._ci->has_dotprod() && (args._Nsize % 4 == 0) && (args._Ksize>32) && (args._Ksize<=64) && !args._trA && args._pretransposed_hint; },
+    nullptr,
+    [](const GemmArgs &args, const Requantize32 &qp) { return new GemmHybridQuantized<smallK_hybrid_s8s32_dot_4x6, int8_t, int8_t>(args, qp); }
+},
+{
+    GemmMethod::GEMM_HYBRID_QUANTIZED,
+    "hybrid_s8s32_dot_16x4",
+    [](const GemmArgs &args, const Requantize32 &) { return args._ci->has_dotprod() && args._Ksize>=16 && !args._trA && !args._trB && args._pretransposed_hint; },
+    [](const GemmArgs &args, const Requantize32 &) { return args._Nsize<=256 && args._Ksize>128; },
+    [](const GemmArgs &args, const Requantize32 &qp) { return new GemmHybridQuantized<hybrid_s8s32_dot_16x4, int8_t, int8_t>(args, qp); }
+},
+{
+    GemmMethod::QUANTIZE_WRAPPER,
+    "quantized_wrapper",
+    nullptr,
+    nullptr,
+    [](const GemmArgs &args, const Requantize32 &qp) { return new QuantizeWrapper<int8_t, int8_t, int32_t>(args, qp); }
+},
+{
+    GemmMethod::DEFAULT,
+    "",
+    nullptr,
+    nullptr,
+    nullptr
+}
+};
+
+template<>
+const GemmImplementation<int8_t, int8_t, Requantize32> *gemm_implementation_list<int8_t, int8_t, Requantize32>() {
+    return gemm_qint8_methods;
+}
+
+template UniqueGemmCommon<int8_t, int8_t> gemm<int8_t, int8_t, Requantize32>(const GemmArgs &args, const Requantize32 &os);
+template KernelDescription get_gemm_method<int8_t, int8_t, Requantize32>(const GemmArgs &args, const Requantize32 &os);
+template std::vector<KernelDescription> get_compatible_kernels<int8_t, int8_t, Requantize32>(const GemmArgs &args, const Requantize32 &os);
+
+} // namespace arm_gemm
+
+#endif // __aarch64__