feat(dnn/arm_common): add fp32 gevm

GitOrigin-RevId: 4d348bbb345f4537b011c1c23f6d1b2ccee5739f

dnn/src/arm_common/matrix_mul/algos.cpp

@@ -138,6 +138,63 @@ MatrixMulImpl::kern_t MatrixMulImpl::AlgoF32Gemv::get_kern(
     return f32_gemv_kern;
 }
 
+/* ===================== F32 Gevm algo ===================== */
+namespace {
+
+void gevm_fp32_kern(const MatrixMulImpl::KernParam& kern_param) {
+    auto M = kern_param.M, N = kern_param.N, K = kern_param.K;
+    auto LDB = kern_param.LDB;
+    const auto Aptr = kern_param.A<dt_float32>(),
+               Bptr = kern_param.B<dt_float32>();
+    auto Cptr = kern_param.C<dt_float32>();
+    arm_common::sgemm_sgemv_like(Bptr, Aptr, Cptr, N, M, K, LDB, 1, 1);
+}
+
+void gevm_int8_kern(const MatrixMulImpl::KernParam& kern_param) {
+    auto M = kern_param.M, N = kern_param.N, K = kern_param.K;
+    auto LDB = kern_param.LDB;
+    const auto Aptr = kern_param.A<dt_int8>(),
+               Bptr = kern_param.B<dt_int8>();
+    auto Cptr = kern_param.C<dt_int32>();
+    arm_common::matmul::gemv_like_int8(Bptr, Aptr, Cptr, N, M, K, LDB, 1, 1);
+}
+
+}  // anonymous namespace
+
+bool MatrixMulImpl::AlgoGevm::usable(
+        const KernSizeParam& kern_size_param) const {
+    // enumerate the M, N, K, only usable when preferred
+    bool fp32_ok =
+            kern_size_param.compute_mode == Param::ComputeMode::DEFAULT &&
+            kern_size_param.format == param::MatrixMul::Format::DEFAULT &&
+            kern_size_param.B_type == kern_size_param.A_type &&
+            kern_size_param.C_type == kern_size_param.A_type &&
+            kern_size_param.A_type == dtype::Float32();
+    return (fp32_ok || can_be_treated_as_int8x8x32(kern_size_param)) &&
+           preferred(kern_size_param);
+}
+
+bool MatrixMulImpl::AlgoGevm::preferred(
+        const KernSizeParam& kern_size_param) const {
+    auto M = kern_size_param.M;
+    return kern_size_param.trB && M == 1;
+}
+
+MatrixMulImpl::kern_t MatrixMulImpl::AlgoGevm::get_kern(
+        const KernSizeParam& kern_size_param) const {
+    if (kern_size_param.A_type == dtype::Float32()) {
+        return gevm_fp32_kern;
+    } else if (kern_size_param.A_type.enumv() == DTypeEnum::Int8 ||
+               kern_size_param.A_type.enumv() == DTypeEnum::QuantizedS8) {
+        return gevm_int8_kern;
+    } else {
+        megdnn_assert(
+                false, "no avaliable kern got A_type: %s B_type: %s C_type: %s",
+                kern_size_param.A_type.name(), kern_size_param.B_type.name(),
+                kern_size_param.C_type.name());
+    }
+}
+
 #if __ARM_FEATURE_FP16_VECTOR_ARITHMETIC
 /* ===================== F16 Gemv algo ===================== */
 namespace {

dnn/src/arm_common/matrix_mul/algos.h

@@ -70,6 +70,21 @@ public:
     PackMode packmode() const override { return PackMode::NO_PACK; }
 };
 #endif
+
+class MatrixMulImpl::AlgoGevm : public AlgoBase {
+public:
+    bool is_reproducible() const override { return true; }
+    const char* name() const override { return "ARM_COMMON_GEVM"; }
+    bool usable(const KernSizeParam&) const override;
+    bool preferred(const KernSizeParam&) const override;
+    size_t get_workspace(const KernSizeParam&) const override { return 0; }
+    kern_t get_kern(const KernSizeParam&) const override;
+    void* type() const override { return sm_arm_common_algo_type; }
+    AlgoSet algoset() const override { return AlgoSet::ALGO_TYPE_GEMV; }
+    PackMode packmode() const override { return PackMode::NO_PACK; }
+};
+
+
 }  // namespace arm_common
 }  // namespace megdnn
 

dnn/src/arm_common/matrix_mul/opr_impl.cpp

@@ -27,7 +27,8 @@ class MatrixMulImpl::AlgoPack : NonCopyableObj {
 #if __ARM_FEATURE_FP16_VECTOR_ARITHMETIC
 	AlgoF16Gemv f16gemv;
 #endif
-    AlgoInt8x8x32Gemv int8x8x32_gemv; 
+    AlgoInt8x8x32Gemv int8x8x32_gemv;
+    AlgoGevm gevm;
 public:
     AlgoPack() {
         all_algos.emplace_back(&int8x8x16);
@@ -35,6 +36,7 @@ public:
         all_algos.emplace_back(&f16gemv);
 #endif
         all_algos.emplace_back(&int8x8x32_gemv);
+        all_algos.emplace_back(&gevm);
  }
     SmallVector<AlgoBase*> all_algos;
 };

dnn/src/arm_common/matrix_mul/opr_impl.h

@@ -27,6 +27,7 @@ protected:
     static void* const sm_arm_common_algo_type;
     class AlgoInt8x8x32Gemv;  // Arm_common Int 8x8x32 Gemv
     class AlgoF32Gemv;        // Arm_common F32 Gemv
+    class AlgoGevm;        // Arm_common Gemv(support int8 and fp32)
 #if __ARM_FEATURE_FP16_VECTOR_ARITHMETIC
     class AlgoF16Gemv;
 #endif

dnn/test/arm_common/matrix_mul.cpp

@@ -164,6 +164,62 @@ TEST_F(ARM_COMMON, QINT8x8x32_GEMV) {
                 run(M, K, N);
 }
 
+TEST_F(ARM_COMMON, QINT8x8x32_GEVM) {
+    Checker<MatrixMul> checker(handle());
+    using Param = MatrixMul::Param;
+
+    checker.set_before_exec_callback(
+            AlgoChecker<MatrixMul>("ARM_COMMON_GEVM"));
+
+    std::unique_ptr<RNG> rng = std::make_unique<UniformIntRNG>(-127, 127);
+    checker.set_rng(0, rng.get()).set_rng(1, rng.get());
+
+    auto run = [&](size_t M, size_t K, size_t N) {
+        Param param;
+        param.transposeA = false;
+        param.transposeB = true;
+        TensorShape A, B;
+        A = TensorShape{M, K};
+        B = TensorShape{N, K};
+        checker.set_param(param)
+                .set_dtype(0, dtype::QuantizedS8(2.5f))
+                .set_dtype(1, dtype::QuantizedS8(2.5f))
+                .set_dtype(2, dtype::QuantizedS32(6.25f))
+                .execs({A, B, {}});
+    };
+    
+    // M = 1
+    for (size_t N : {1, 10, 16, 33, 64})
+        for (size_t K : {7, 512, 1024})
+            for (size_t M : {1})
+                run(M, K, N);
+}
+
+TEST_F(ARM_COMMON, FP32_GEVM) {
+    Checker<MatrixMul> checker(handle());
+    using Param = MatrixMul::Param;
+
+    checker.set_before_exec_callback(
+            AlgoChecker<MatrixMul>("ARM_COMMON_GEVM"));
+
+    checker.set_epsilon(1e-2);
+    auto run = [&](size_t M, size_t K, size_t N) {
+        Param param;
+        param.transposeA = false;
+        param.transposeB = true;
+        TensorShape A, B;
+        A = TensorShape{M, K};
+        B = TensorShape{N, K};
+        checker.set_param(param).execs({A, B, {}});
+    };
+    
+    // M = 1
+    for (size_t M : {1})
+        for (size_t K : {1000, 4096, 25088})
+            for (size_t N : {1000, 4096})
+                run(M, K, N);
+}
+
 #if MEGDNN_WITH_BENCHMARK
 
 TEST_F(ARM_COMMON, BENCHMARK_SGEMV) {