issue/425: implement GEMM with MUBLAS and MUDNN backends in moore gpu

src/infiniop/ops/gemm/moore/gemm_moore.h

@@ -1,8 +1,104 @@
 #ifndef __GEMM_MOORE_H__
 #define __GEMM_MOORE_H__
 
-#include "../gemm.h"
+#include "mublas/gemm_mublas.h"
+#include "mudnn/gemm_mudnn.h"
 
-DESCRIPTOR(moore)
+namespace op::gemm::moore {
+
+// Descriptor class for GEMM operations on Moore devices.
+// This class acts as a wrapper to select either mublas or mudnn backend.
+// It encapsulates the backend-specific Descriptor implementation and provides
+// a unified interface for workspace query and GEMM calculation.
+class Descriptor final : public InfiniopDescriptor {
+public:
+    // Destructor: deletes the backend-specific descriptor.
+    ~Descriptor() {
+        if (_backend == Backend::MUBLAS) {
+            delete reinterpret_cast<mublas::Descriptor *>(_impl);
+        } else {
+            delete reinterpret_cast<mudnn::Descriptor *>(_impl);
+        }
+    }
+
+    // Returns the required workspace size for the GEMM operation.
+    size_t workspaceSize() const {
+        if (_backend == Backend::MUBLAS) {
+            return reinterpret_cast<mublas::Descriptor *>(_impl)->workspaceSize();
+        } else {
+            return reinterpret_cast<mudnn::Descriptor *>(_impl)->workspaceSize();
+        }
+    }
+
+    // Static factory method to create a Descriptor instance.
+    // This method chooses the backend (mublas or mudnn) and constructs
+    // the corresponding implementation internally.
+    static infiniStatus_t create(
+        infiniopHandle_t handle,
+        Descriptor **desc_ptr,
+        infiniopTensorDescriptor_t c_desc,
+        infiniopTensorDescriptor_t a_desc,
+        infiniopTensorDescriptor_t b_desc) {
+        auto desc = new Descriptor(handle->device, handle->device_id);
+
+        // Backend selection strategy:
+        // Currently defaulting to MUDNN.
+        // Can be modified to choose based on environment variables or runtime parameters.
+        desc->_backend = Backend::MUDNN;
+
+        if (desc->_backend == Backend::MUBLAS) {
+            mublas::Descriptor *impl;
+            auto status = mublas::Descriptor::create(handle, &impl, c_desc, a_desc, b_desc);
+            if (status != INFINI_STATUS_SUCCESS) {
+                delete desc;
+                return status;
+            }
+            desc->_impl = impl;
+        } else {
+            mudnn::Descriptor *impl;
+            auto status = mudnn::Descriptor::create(handle, &impl, c_desc, a_desc, b_desc);
+            if (status != INFINI_STATUS_SUCCESS) {
+                delete desc;
+                return status;
+            }
+            desc->_impl = impl;
+        }
+
+        *desc_ptr = desc;
+        return INFINI_STATUS_SUCCESS;
+    }
+
+    // Unified GEMM calculation interface.
+    // Calls the corresponding backend's calculate function internally.
+    infiniStatus_t calculate(
+        void *workspace, size_t workspace_size,
+        void *c, float beta,
+        const void *a, const void *b,
+        float alpha,
+        void *stream) const {
+        if (_backend == Backend::MUBLAS) {
+            return reinterpret_cast<mublas::Descriptor *>(_impl)
+                ->calculate(workspace, workspace_size, c, beta, a, b, alpha, stream);
+        } else {
+            return reinterpret_cast<mudnn::Descriptor *>(_impl)
+                ->calculate(workspace, workspace_size, c, beta, a, b, alpha, stream);
+        }
+    }
+
+private:
+    // Private constructor: ensures users cannot directly instantiate Descriptor.
+    // Instances must be created via the static create() factory method.
+    Descriptor(infiniDevice_t device_type, int device_id)
+        : InfiniopDescriptor{device_type, device_id}, _impl(nullptr) {}
+
+    // Enum to indicate which backend is being used internally.
+    enum class Backend { MUBLAS,
+                         MUDNN };
+
+    Backend _backend; // Currently selected MUBLAS/MUDNN backend
+    void *_impl;      // Pointer to backend-specific descriptor (mublas::Descriptor* or mudnn::Descriptor*)
+};
+
+} // namespace op::gemm::moore
 
 #endif // __GEMM_MOORE_H__

src/infiniop/ops/gemm/moore/mublas/gemm_mublas.h

@@ -0,0 +1,8 @@
+#ifndef __GEMM_MUBLAS_H__
+#define __GEMM_MUBLAS_H__
+
+#include "../../gemm.h"
+
+DESCRIPTOR(mublas)
+
+#endif // __GEMM_MUBLAS_H__

src/infiniop/ops/gemm/moore/gemm_moore.mu → src/infiniop/ops/gemm/moore/mublas/gemm_mublas.mu

@@ -1,8 +1,8 @@
-#include "../../../devices/moore/moore_common.h"
-#include "../../../devices/moore/moore_handle.h"
-#include "gemm_moore.h"
+#include "../../../../devices/moore/moore_common.h"
+#include "../../../../devices/moore/moore_handle.h"
+#include "gemm_mublas.h"
 
-namespace op::gemm::moore {
+namespace op::gemm::mublas {
 
 struct Descriptor::Opaque {
     std::shared_ptr<device::moore::Handle::Internal> internal;
@@ -122,4 +122,4 @@ infiniStatus_t Descriptor::calculate(
     return INFINI_STATUS_SUCCESS;
 }
 
-} // namespace op::gemm::moore
+} // namespace op::gemm::mublas

src/infiniop/ops/gemm/moore/mudnn/gemm_mudnn.h

@@ -0,0 +1,8 @@
+#ifndef __GEMM_MUDNN_H__
+#define __GEMM_MUDNN_H__
+
+#include "../../gemm.h"
+
+DESCRIPTOR(mudnn)
+
+#endif // __GEMM_MUDNN_H__

src/infiniop/ops/gemm/moore/mudnn/gemm_mudnn.mu

@@ -0,0 +1,198 @@
+#include "../../../../devices/moore/moore_common.h"
+#include "../../../../devices/moore/moore_handle.h"
+#include "gemm_mudnn.h"
+
+#include <musa_bf16.h>
+
+namespace op::gemm::mudnn {
+
+struct Descriptor::Opaque {
+    std::shared_ptr<device::moore::Handle::Internal> internal;
+};
+
+Descriptor::~Descriptor() {
+    delete _opaque;
+}
+
+infiniStatus_t Descriptor::create(
+    infiniopHandle_t handle_,
+    Descriptor **desc_ptr,
+    infiniopTensorDescriptor_t c_desc,
+    infiniopTensorDescriptor_t a_desc,
+    infiniopTensorDescriptor_t b_desc) {
+    auto handle = reinterpret_cast<device::moore::Handle *>(handle_);
+    auto dtype = c_desc->dtype();
+
+    CHECK_DTYPE(dtype, INFINI_DTYPE_F16, INFINI_DTYPE_F32, INFINI_DTYPE_BF16);
+
+    auto result = MatmulInfo::create(c_desc, a_desc, b_desc, MatrixLayout::ROW_MAJOR);
+    CHECK_RESULT(result);
+
+    *desc_ptr = new Descriptor(
+        dtype, result.take(), 0,
+        new Opaque{handle->internal()},
+        handle->device, handle->device_id);
+    return INFINI_STATUS_SUCCESS;
+}
+
+template <typename Tdata>
+infiniStatus_t calculate(
+    const MatmulInfo &info,
+    std::shared_ptr<device::moore::Handle::Internal> &_internal,
+    void *c,
+    float beta,
+    const void *a,
+    const void *b,
+    float alpha,
+    void *stream) 
+{
+    // 0. For muDNN development, refer to the official documentation and the following headers:
+    // - /usr/local/musa/include/mudnn_base.h
+    // - /usr/local/musa/include/mudnn_math.h
+    // - /usr/local/musa/include/mudnn.h
+
+    // 1. Create BatchMatMul operator
+    auto matmul_operator = std::make_unique<::musa::dnn::BatchMatMul>();
+    matmul_operator->SetComputeMode(::musa::dnn::BatchMatMul::ComputeMode::TENSOR);
+
+    // 2. Use _internal->useMudnn to manage muDNN handle
+    return _internal->useMudnn((musaStream_t)stream, [&](::musa::dnn::Handle &mudnn_handle) -> infiniStatus_t {
+
+        // 3. Create BatchMatMul Tensor
+        ::musa::dnn::Tensor out, left, right;
+
+        if constexpr (std::is_same<Tdata, half>::value) {
+            out.SetType(::musa::dnn::Tensor::Type::HALF);
+            left.SetType(::musa::dnn::Tensor::Type::HALF);
+            right.SetType(::musa::dnn::Tensor::Type::HALF);
+        } 
+        else if constexpr (std::is_same<Tdata, __mt_bfloat16>::value){
+            out.SetType(::musa::dnn::Tensor::Type::BFLOAT16);
+            left.SetType(::musa::dnn::Tensor::Type::BFLOAT16);
+            right.SetType(::musa::dnn::Tensor::Type::BFLOAT16);
+        }
+        else{
+            out.SetType(::musa::dnn::Tensor::Type::FLOAT);
+            left.SetType(::musa::dnn::Tensor::Type::FLOAT);
+            right.SetType(::musa::dnn::Tensor::Type::FLOAT);
+        }
+
+        // 4. Bind BatchMatMul Tensor addr
+        out.SetAddr(c);
+        left.SetAddr(a);
+        right.SetAddr(b);
+
+        // 5. Config Tensor left
+        std::array<int64_t, 3> a_dims_array;
+        std::array<int64_t, 3> a_stride_array;
+        if (info.a_matrix.col_stride != 1) {
+            a_dims_array = { static_cast<int64_t>(info.batch),
+                             static_cast<int64_t>(info.k),
+                             static_cast<int64_t>(info.m) };
+        } else {
+            a_dims_array = { static_cast<int64_t>(info.batch),
+                             static_cast<int64_t>(info.m),
+                             static_cast<int64_t>(info.k) };
+        }
+        a_stride_array = { static_cast<int64_t>(info.a_matrix.stride),
+                           static_cast<int64_t>(info.a_matrix.ld()),
+                           1 };
+        left.SetNdInfo(static_cast<int>(a_dims_array.size()), a_dims_array.data(), a_stride_array.data());
+
+        // 6. Config Tensor right
+        std::array<int64_t, 3> b_dims_array;
+        std::array<int64_t, 3> b_stride_array;
+        if (info.b_matrix.col_stride != 1) {
+            b_dims_array = { static_cast<int64_t>(info.batch),
+                             static_cast<int64_t>(info.n),
+                             static_cast<int64_t>(info.k) };
+        } else {
+            b_dims_array = { static_cast<int64_t>(info.batch),
+                             static_cast<int64_t>(info.k),
+                             static_cast<int64_t>(info.n) };
+        }
+        b_stride_array = { static_cast<int64_t>(info.b_matrix.stride),
+                           static_cast<int64_t>(info.b_matrix.ld()),
+                           1 };
+        right.SetNdInfo(static_cast<int>(b_dims_array.size()), b_dims_array.data(), b_stride_array.data());
+
+        // 7. Confit Tensor out, muDNN BatchMatMul output only support row-major tensor
+        std::array<int64_t, 3> c_dims_array = { static_cast<int64_t>(info.batch),
+                                                static_cast<int64_t>(info.m),
+                                                static_cast<int64_t>(info.n) };
+        std::array<int64_t, 3> c_stride_array = { static_cast<int64_t>(info.c_matrix.stride),
+                                                  static_cast<int64_t>(info.c_matrix.ld()),
+                                                  1 };
+        out.SetNdInfo(static_cast<int>(c_dims_array.size()), c_dims_array.data(), c_stride_array.data());
+
+        // 8. Workspace Memory Handler
+        ::musa::dnn::MemoryMaintainer maintainer = [](size_t size) -> ::musa::dnn::MemoryHandler {
+            void* ptr = nullptr;
+            musaMalloc(&ptr, size);
+            return ::musa::dnn::MemoryHandler(ptr, [](void* p) { if(p) musaFree(p); });
+        };
+
+        // 9. Tensor left and Tensor right transpose config
+        if (info.a_matrix.col_stride == 1 && info.b_matrix.col_stride != 1)
+            matmul_operator->SetTranspose(false, true);
+        else if (info.a_matrix.col_stride != 1 && info.b_matrix.col_stride == 1)
+            matmul_operator->SetTranspose(true, false);
+        else if (info.a_matrix.col_stride != 1 && info.b_matrix.col_stride != 1)
+            matmul_operator->SetTranspose(true, true);
+        else
+            matmul_operator->SetTranspose(false, false);
+
+        // 10. BatchMatMul workspace config
+        size_t workspace_size_in_bytes = 0;
+        matmul_operator->GetWorkspaceSize(mudnn_handle, workspace_size_in_bytes, out, left, right);
+
+        // 11. Alpha Beta Gamma
+        matmul_operator->SetAlpha(static_cast<double>(alpha));
+        matmul_operator->SetBeta(static_cast<double>(beta));
+        matmul_operator->SetGamma(0.0);
+
+        // 12. Run
+        matmul_operator->Run(
+            mudnn_handle,
+            out,
+            left,
+            right,
+            static_cast<int64_t>(info.batch),
+            static_cast<int64_t>(info.m),
+            static_cast<int64_t>(info.n),
+            static_cast<int64_t>(info.k),
+            static_cast<int64_t>(info.a_matrix.ld()),
+            static_cast<int64_t>(info.b_matrix.ld()),
+            static_cast<int64_t>(info.c_matrix.ld()),
+            static_cast<int64_t>(info.a_matrix.stride),
+            static_cast<int64_t>(info.b_matrix.stride),
+            static_cast<int64_t>(info.c_matrix.stride),
+            maintainer
+        );
+
+        return INFINI_STATUS_SUCCESS;
+    });
+}
+
+
+infiniStatus_t Descriptor::calculate(void *workspace,
+                                     size_t workspace_size,
+                                     void *c,
+                                     float beta,
+                                     const void *a,
+                                     const void *b,
+                                     float alpha,
+                                     void *stream) const {
+    switch (_dtype) {
+        case INFINI_DTYPE_F16:
+            return mudnn::calculate<half>(_info, _opaque->internal, c, beta, a, b, alpha, stream);
+        case INFINI_DTYPE_F32:
+            return mudnn::calculate<float>(_info,_opaque->internal, c, beta, a, b, alpha, stream);
+        case INFINI_DTYPE_BF16:
+            return mudnn::calculate<__mt_bfloat16>(_info,_opaque->internal, c, beta, a, b, alpha, stream);
+        default:
+            return INFINI_STATUS_BAD_TENSOR_DTYPE;
+    }
+}
+
+} // namespace op::gemm::mudnn

xmake/moore.lua

@@ -44,6 +44,9 @@ target("infiniop-moore")
     add_cxflags("-lstdc++", "-fPIC", "-Wno-comment")
     add_files("../src/infiniop/devices/moore/*.cc")
     add_files("../src/infiniop/ops/*/moore/*.mu", {rule = "mu"})
+
+    -- Add source files for Moore muBLAS/muDNN GEMM backends.
+    add_files("../src/infiniop/ops/gemm/moore/*/*.mu", {rule = "mu"})
 target_end()
 
 target("infinirt-moore")