issue/713 - 为c++添加 RowParallelLinear 和 ColParallelLinear

include/infinicore/nn/linear.hpp

 #pragma once
 
-#include "module.hpp"
 #include "../ops.hpp"
+#include "module.hpp"
+#include <infiniccl.h>
 
 namespace infinicore::nn {
 
-class Linear : public Module {
+class BaseLinear : public Module {
 public:
-    Linear(size_t in_features, size_t out_features, bool bias = true, const DataType &dtype = DataType::F32, const Device &device = Device());
+    BaseLinear(size_t in_features, size_t out_features, bool bias = true,
+               const DataType &dtype = DataType::F32, const Device &device = Device());
 
     // Forward pass: output = input @ weight.T + bias
     Tensor forward(Tensor &input) const;
@@ -22,9 +24,6 @@ public:
     bool has_bias() const { return has_bias_; }
     DataType dtype() const { return dtype_; }
 
-    // String representation
-    std::string extra_repr() const;
-
     // Accessors for parameters
     Tensor weight() const { return weight_; }
     Tensor bias() const { return bias_; }
@@ -34,7 +33,7 @@ protected:
     INFINICORE_NN_PARAMETER(weight);
     INFINICORE_NN_PARAMETER(bias);
 
-private:
+protected:
     // Helper method for common forward computation
     Tensor compute_linear(Tensor &input) const;
 
@@ -45,3 +44,54 @@ private:
 };
 
 } // namespace infinicore::nn
+
+namespace infinicore::nn {
+
+class Linear : public BaseLinear {
+public:
+    Linear(size_t in_features, size_t out_features, bool bias = true,
+           const DataType &dtype = DataType::F32, const Device &device = Device());
+
+    // Forward pass: output = input @ weight.T + bias
+    Tensor forward(Tensor &input) const;
+
+    // String representation
+    std::string extra_repr() const;
+};
+
+class ColumnParallelLinear : public BaseLinear {
+public:
+    ColumnParallelLinear(size_t in_features, size_t out_features, bool bias = true,
+                         const DataType &dtype = DataType::F32, const Device &device = Device(),
+                         Size tp_rank = 0, Size tp_size = 1);
+
+    // Forward pass: output = input @ weight.T + bias
+    Tensor forward(Tensor &input) const;
+
+    // String representation
+    std::string extra_repr() const;
+
+protected:
+    Size tp_rank_ = 0;
+    Size tp_size_ = 1;
+};
+
+class RowParallelLinear : public BaseLinear {
+public:
+    RowParallelLinear(size_t in_features, size_t out_features, bool bias = true,
+                      const DataType &dtype = DataType::F32, const Device &device = Device(),
+                      Size tp_rank = 0, Size tp_size = 1, infinicclComm_t communicator = nullptr);
+
+    // Forward pass: output = input @ weight.T + bias
+    Tensor forward(Tensor &input) const;
+
+    // String representation
+    std::string extra_repr() const;
+
+protected:
+    Size tp_rank_ = 0;
+    Size tp_size_ = 1;
+    infinicclComm_t communicator_;
+};
+
+} // namespace infinicore::nn

src/infinicore-test/test_nn_module.cc

@@ -297,6 +297,161 @@ TestResult NNModuleTest::testTensorParallelParameters() {
     });
 }
 
+TestResult NNModuleTest::testParalleLinear() {
+    return measureTime("ParalleLinear", [this]() {
+        try {
+            spdlog::info("==========================================");
+            spdlog::info("    Testing Tensor Parallel Linear        ");
+            spdlog::info("==========================================");
+
+            auto device = infinicore::context::getDevice();
+
+            spdlog::info("Test Tensor Parallel Linear");
+
+            spdlog::info(device.toString());
+
+            auto w_data = std::vector<float>(32 * 64);
+            auto b_data = std::vector<float>(32);
+            for (size_t i = 0; i < 32; ++i) {
+                for (size_t j = 0; j < 64; ++j) {
+                    w_data[i * 64 + j] = static_cast<float>(j);
+                }
+                b_data[i] = static_cast<float>(i);
+            }
+            {
+                spdlog::info("Test tp_size=4 tp_dim=0");
+                Size tp_size = 4;
+                // Size tp_dim = 0;
+                std::vector<std::unique_ptr<infinicore::nn::ColumnParallelLinear>> tp_modules;
+
+                for (Size tp_rank = 0; tp_rank < tp_size; ++tp_rank) {
+                    auto module = std::make_unique<infinicore::nn::ColumnParallelLinear>(64, 32, true, DataType::F32, device, tp_rank, tp_size);
+                    tp_modules.push_back(std::move(module));
+                }
+
+                // Verify each partition has correct shape
+                for (size_t i = 0; i < tp_modules.size(); ++i) {
+                    const auto &weight = tp_modules[i]->weight();
+                    const auto &bias = tp_modules[i]->bias();
+
+                    // Weight should be partitioned along output dimension (dim 0)
+                    if (weight->shape() != std::vector<size_t>({8, 64})) { // 32/4 = 8
+                        spdlog::error("TP rank {}: Weight shape mismatch. Expected [8, 64], got [{}]",
+                                      i, formatShape(weight->shape()));
+                        return false;
+                    }
+
+                    // Bias should be partitioned along output dimension
+                    if (bias->shape() != std::vector<size_t>({8})) { // 32/4 = 8
+                        spdlog::error("TP rank {}: Bias shape mismatch. Expected [8], got [{}]",
+                                      i, formatShape(bias->shape()));
+                        return false;
+                    }
+
+                    spdlog::debug("TP rank {}: weight shape [{}], bias shape [{}]",
+                                  i, formatShape(weight->shape()), formatShape(bias->shape()));
+
+                    tp_modules[i]->load_parameter_from_blob("weight", w_data.data());
+                    tp_modules[i]->load_parameter_from_blob("bias", b_data.data());
+
+                    auto weight_loaded = infinicore::Tensor::from_blob(
+                                             w_data.data(),
+                                             {32, 64},
+                                             infinicore::DataType::F32,
+                                             infinicore::Device::cpu())
+                                             ->narrow({{0, i * 8, 8}})
+                                             ->to(device); // Narrow to get the partition
+                    auto bias_loaded = infinicore::Tensor::from_blob(
+                                           b_data.data(),
+                                           {32},
+                                           infinicore::DataType::F32,
+                                           infinicore::Device::cpu())
+                                           ->narrow({{0, i * 8, 8}})
+                                           ->to(device); // Narrow to get the partition
+
+                    if (!tensorsAllClose(tp_modules[i]->weight(), weight_loaded, 1e-6, 1e-6)) {
+                        spdlog::error("TP rank {}: Weight values do not match after load_parameter_from_blob", i);
+                        return false;
+                    }
+
+                    if (!tensorsAllClose(tp_modules[i]->bias(), bias_loaded, 1e-6, 1e-6)) {
+                        spdlog::error("TP rank {}: Bias values do not match after load_parameter_from_blob", i);
+                        return false;
+                    }
+                }
+            }
+
+            {
+                spdlog::info("Test tp_size=4 tp_dim=1");
+                Size tp_size = 4;
+                // Size tp_dim = 1;
+                std::vector<std::unique_ptr<infinicore::nn::RowParallelLinear>> tp_modules;
+
+                for (Size tp_rank = 0; tp_rank < tp_size; ++tp_rank) {
+
+                    auto module = std::make_unique<infinicore::nn::RowParallelLinear>(64, 32, true, DataType::F32, device, tp_rank, tp_size);
+                    tp_modules.push_back(std::move(module));
+                }
+
+                // Verify each partition has correct shape
+                for (size_t i = 0; i < tp_modules.size(); ++i) {
+                    const auto &weight = tp_modules[i]->weight();
+                    const auto &bias = tp_modules[i]->bias();
+
+                    // Weight should be partitioned along output dimension (dim 0)
+                    if (weight->shape() != std::vector<size_t>({32, 16})) { // 64/4 = 16
+                        spdlog::error("TP rank {}: Weight shape mismatch. Expected [32, 16], got [{}]",
+                                      i, formatShape(weight->shape()));
+                        return false;
+                    }
+
+                    // Bias should be partitioned along output dimension
+                    if (bias->shape() != std::vector<size_t>({32})) { // Bias not partitioned when tp_dim=1
+                        spdlog::error("TP rank {}: Bias shape mismatch. Expected [32], got [{}]",
+                                      i, formatShape(bias->shape()));
+                        return false;
+                    }
+
+                    spdlog::debug("TP rank {}: weight shape [{}], bias shape [{}]",
+                                  i, formatShape(weight->shape()), formatShape(bias->shape()));
+                    ;
+                    tp_modules[i]->load_parameter_from_blob("weight", w_data.data());
+                    tp_modules[i]->load_parameter_from_blob("bias", b_data.data());
+
+                    auto weight_loaded = infinicore::Tensor::from_blob(
+                                             w_data.data(),
+                                             {32, 64},
+                                             infinicore::DataType::F32,
+                                             infinicore::Device::cpu())
+                                             ->narrow({{1, i * 16, 16}})
+                                             ->to(device); // Narrow to get the partition
+                    auto bias_loaded = infinicore::Tensor::from_blob(
+                                           b_data.data(),
+                                           {32},
+                                           infinicore::DataType::F32,
+                                           infinicore::Device::cpu())
+                                           ->to(device); // Narrow to get the partition
+                    if (!tensorsAllClose(tp_modules[i]->weight(), weight_loaded, 1e-6, 1e-6)) {
+                        spdlog::error("TP rank {}: Weight values do not match after load_parameter_from_blob", i);
+                        return false;
+                    }
+                    if (!tensorsAllClose(tp_modules[i]->bias(), bias_loaded, 1e-6, 1e-6)) {
+                        spdlog::error("TP rank {}: Bias values do not match after load_parameter_from_blob", i);
+                        return false;
+                    }
+                }
+            }
+
+            spdlog::info("=== All Tensor Parallel Linear Tests Passed ===");
+            return true;
+
+        } catch (const std::exception &e) {
+            spdlog::error("Exception in testTensorParallelParameters: {}", e.what());
+            return false;
+        }
+    });
+}
+
 // Test 2: Advanced load state dict functionality (hierarchical modules)
 TestResult NNModuleTest::testLoadStateDict() {
     return measureTime("AdvancedLoadStateDict", [this]() {
@@ -1894,6 +2049,7 @@ TestResult NNModuleTest::run() {
 
     results.push_back(testBasicModuleCreation());      // Merged: creation + parameters + state_dict + load
     results.push_back(testTensorParallelParameters()); // Tensor-parallel parameters
+    results.push_back(testParalleLinear());            // ParalleLinear
     results.push_back(testLoadStateDict());            // Advanced: hierarchical modules
     results.push_back(testModuleHierarchy());          // Demonstrates hierarchical construction
     results.push_back(testParameterLoading());         // Blob loading

src/infinicore-test/test_nn_module.h

@@ -90,6 +90,7 @@ public:
 private:
     TestResult testBasicModuleCreation();      // Merged: creation, parameters, state_dict, load_state_dict
     TestResult testTensorParallelParameters(); // Module with tensor parallel parameters
+    TestResult testParalleLinear();            // Module with ColumnParallelLinear, RowParallelLinear
     TestResult testLoadStateDict();            // Advanced: hierarchical modules
     TestResult testModuleHierarchy();          // Demonstrates proper hierarchical construction pattern
     TestResult testParameterLoading();         // Test blob parameter loading

src/infinicore/nn/linear.cc

 #include "infinicore/nn/linear.hpp"
+#include "../utils.hpp"
 #include "infinicore/ops.hpp"
+#include "infinicore/ops/linear.hpp"
+#include <optional>
 #include <spdlog/spdlog.h>
 
 namespace infinicore::nn {
 
-Linear::Linear(size_t in_features, size_t out_features, bool bias, const DataType &dtype, const Device &device)
+BaseLinear::BaseLinear(size_t in_features, size_t out_features, bool bias,
+                       const DataType &dtype, const Device &device)
     : in_features_(in_features),
       out_features_(out_features),
       has_bias_(bias),
       dtype_(dtype) {
 
     device_ = device;
+}
+
+Tensor BaseLinear::compute_linear(Tensor &input) const {
+
+    // Ensure input is contiguous before creating views (required for matmul)
+    // This prevents hanging when input tensor has non-contiguous memory layout
+    Tensor input_contiguous = input->is_contiguous() ? input : input->contiguous();
+
+    // Use ops::linear_ directly to match Python backend's exact code path
+    // This ensures identical computation and numerical results
+    // Parameter inherits from Tensor, so we cast to Tensor explicitly
+    Tensor weight_tensor = static_cast<const Tensor &>(weight_);
+    std::optional<Tensor> bias_opt = has_bias_ ? std::make_optional<Tensor>(static_cast<const Tensor &>(bias_)) : std::nullopt;
+
+    auto output = infinicore::op::linear(input_contiguous->contiguous(), weight_tensor->contiguous(), bias_opt);
+    return output;
+}
+
+Tensor BaseLinear::forward(Tensor &input) const {
+    return compute_linear(input);
+}
+
+Tensor BaseLinear::forward(Tensor &input, Tensor &residual) const {
+    auto output = compute_linear(input);
+
+    // Add residual: output = output + residual
+    infinicore::op::add_(output, output, residual);
+
+    return output;
+}
+
+} // namespace infinicore::nn
+
+namespace infinicore::nn {
+
+Linear::Linear(size_t in_features, size_t out_features, bool bias,
+               const DataType &dtype, const Device &device)
+    : BaseLinear(in_features, out_features, bias, dtype, device_) {
+
+    device_ = device;
 
     // Initialize parameters using macro
     INFINICORE_NN_PARAMETER_INIT(weight, ({out_features, in_features}, dtype_, device));
@@ -22,52 +66,104 @@ Linear::Linear(size_t in_features, size_t out_features, bool bias, const DataTyp
         bias_ = Parameter(); // Default constructed empty parameter
     }
 
-    SPDLOG_DEBUG("Created Linear module: in_features={}, out_features={}, bias={}, dtype={}",
-                 in_features, out_features, bias, static_cast<int>(dtype_));
+    // SPDLOG_DEBUG("Created Linear module: in_features={}, out_features={}, bias={}, dtype={}",
+    //              in_features, out_features, bias, static_cast<int>(dtype_));
+}
+
+Tensor Linear::forward(Tensor &input) const {
+    return BaseLinear::forward(input);
+}
+
+std::string Linear::extra_repr() const {
+    return "Linear(in_features=" + std::to_string(in_features_) + ", out_features=" + std::to_string(out_features_) + ", bias=" + (has_bias_ ? "true" : "false") + ", dtype=" + std::to_string(static_cast<int>(dtype_)) + ")";
 }
 
-Tensor Linear::compute_linear(Tensor &input) const {
-    // Create output tensor with shape [batch_size, out_features]
-    auto output_shape = input->shape();
-    output_shape[output_shape.size() - 1] = out_features_;
-    auto output = Tensor::empty(output_shape, input->dtype(), input->device());
-
-    // Transpose weight: [out_features, in_features] -> [in_features, out_features]
-    auto weight_t = weight_->permute({1, 0});
-
-    if (has_bias_) {
-        // Broadcast bias to output shape
-        size_t ndim_diff = output->ndim() - 1;
-        std::vector<Stride> strides(ndim_diff, 0);
-        strides.push_back(bias_->stride(0));
-        auto bias_view = bias_->as_strided(output->shape(), strides);
-
-        // Compute matmul result separately, then add to output
-        infinicore::op::matmul_(output, input, weight_t);
-        infinicore::op::add_(output, output, bias_view);
+} // namespace infinicore::nn
+
+namespace infinicore::nn {
+
+ColumnParallelLinear::ColumnParallelLinear(size_t in_features, size_t out_features, bool bias,
+                                           const DataType &dtype, const Device &device,
+                                           Size tp_rank, Size tp_size)
+    : BaseLinear(in_features, out_features, bias, dtype, device_),
+      tp_rank_(tp_rank),
+      tp_size_(tp_size) {
+
+    device_ = device;
+
+    // Initialize parameters using macro
+    INFINICORE_NN_PARAMETER_INIT(weight, ({out_features, in_features}, dtype_, device,
+                                          0, tp_rank_, tp_size_));
+
+    // Register bias parameter if requested
+    if (bias) {
+        INFINICORE_NN_PARAMETER_INIT(bias, ({out_features}, dtype_, device,
+                                            0, tp_rank_, tp_size_));
     } else {
-        // No bias: just compute output = input @ weight_t
-        infinicore::op::matmul_(output, input, weight_t);
+        bias_ = Parameter(); // Default constructed empty parameter
     }
 
-    return output;
+    // SPDLOG_DEBUG("Created ColumnParallelLinear module: in_features={}, out_features={}, bias={}, dtype={}",
+    //              in_features, out_features, bias, static_cast<int>(dtype_));
 }
 
-Tensor Linear::forward(Tensor &input) const {
-    return compute_linear(input);
+Tensor ColumnParallelLinear::forward(Tensor &input) const {
+    return BaseLinear::forward(input);
 }
 
-Tensor Linear::forward(Tensor &input, Tensor &residual) const {
-    auto output = compute_linear(input);
+std::string ColumnParallelLinear::extra_repr() const {
+    return "ColumnParallelLinear(in_features=" + std::to_string(in_features_) + ", out_features=" + std::to_string(out_features_) + ", bias=" + (has_bias_ ? "true" : "false") + ", dtype=" + std::to_string(static_cast<int>(dtype_)) + ")";
+}
 
-    // Add residual: output = output + residual
-    infinicore::op::add_(output, output, residual);
+} // namespace infinicore::nn
 
+namespace infinicore::nn {
+
+RowParallelLinear::RowParallelLinear(size_t in_features, size_t out_features, bool bias,
+                                     const DataType &dtype, const Device &device,
+                                     Size tp_rank, Size tp_size, infinicclComm_t communicator)
+    : BaseLinear(in_features, out_features, bias, dtype, device_),
+      tp_rank_(tp_rank),
+      tp_size_(tp_size), communicator_(communicator) {
+
+    device_ = device;
+
+    // Initialize parameters using macro
+    INFINICORE_NN_PARAMETER_INIT(weight, ({out_features, in_features}, dtype_, device,
+                                          1, tp_rank_, tp_size_));
+
+    // Register bias parameter if requested
+    if (bias && (0 == tp_rank_)) {
+        INFINICORE_NN_PARAMETER_INIT(bias, ({out_features}, dtype_, device, 0, 0, 1));
+    } else {
+        bias_ = Parameter(); // Default constructed empty parameter
+    }
+
+    // SPDLOG_DEBUG("Created RowParallelLinear module: in_features={}, out_features={}, bias={}, dtype={}",
+    //              in_features, out_features, bias, static_cast<int>(dtype_));
+}
+
+Tensor RowParallelLinear::forward(Tensor &input) const {
+    auto output = BaseLinear::forward(input);
+
+    if ((tp_size_ > 1) && (communicator_ != nullptr)) {
+
+        Size count = output->numel();
+        DataType type = output->dtype();
+
+        infinirtStream_t stream = infinicore::context::getStream();
+
+        INFINICORE_CHECK_ERROR(infinicclAllReduce(output->data(), output->data(), count, static_cast<infiniDtype_t>(static_cast<int>(type)),
+                                                  INFINICCL_SUM, communicator_, stream));
+        INFINICORE_CHECK_ERROR(infinirtStreamSynchronize(stream));
+
+        // RUN_INFINI(infinirtStreamSynchronize(stream));
+    }
     return output;
 }
 
-std::string Linear::extra_repr() const {
-    return "Linear(in_features=" + std::to_string(in_features_) + ", out_features=" + std::to_string(out_features_) + ", bias=" + (has_bias_ ? "true" : "false") + ", dtype=" + std::to_string(static_cast<int>(dtype_)) + ")";
+std::string RowParallelLinear::extra_repr() const {
+    return "RowParallelLinear(in_features=" + std::to_string(in_features_) + ", out_features=" + std::to_string(out_features_) + ", bias=" + (has_bias_ ? "true" : "false") + ", dtype=" + std::to_string(static_cast<int>(dtype_)) + ")";
 }
 
 } // namespace infinicore::nn