issue/1031 T1-1-15

src/infiniop/ops/atanh/metax/atanh_metax_kernel.h

+#ifndef __ATANH_METAX_KERNEL_H__
+#define __ATANH_METAX_KERNEL_H__
+
+/*
+ * This file contains the Atanh operation implementation for the MUSA backend.
+ *
+ * It follows the consistent code structure to ensure alignment across different
+ * hardware platforms within the Moore Threads (MUSA) ecosystem.
+ */
+namespace op::atanh::metax {
+
+typedef struct AtanhOp {
+public:
+    // 一元算子，输入数量为 1
+    static constexpr size_t num_inputs = 1;
+
+    template <typename T>
+    __device__ __forceinline__ T operator()(const T &a) const {
+        if constexpr (std::is_same_v<T, half2>) {
+            // 针对 half2 进行并行计算
+            float2 f2 = __half22float2(a);
+            f2.x = atanhf(f2.x);
+            f2.y = atanhf(f2.y);
+            return __float22half2_rn(f2);
+        } else if constexpr (std::is_same_v<T, half>) {
+            // 转为 float 计算以保证精度并匹配 MUSA 数学库
+            return __float2half(atanhf(__half2float(a)));
+        } else if constexpr (std::is_same_v<T, cuda_bfloat16>) {
+            // BF16 同样提升到 float 计算，避免转换歧义
+            float a_f = __bfloat162float(a);
+            return __float2bfloat16_rn(atanhf(a_f));
+        } else if constexpr (std::is_same_v<T, float>) {
+            // 调用 MUSA 内置的单精度反双曲正切函数
+            return atanhf(a);
+        } else if constexpr (std::is_same_v<T, double>) {
+            // 调用双精度版本
+            return ::atanh(a);
+        } else {
+            // 兜底实现（如果是整数类型，通常会隐式转为 float）
+            return static_cast<T>(atanhf(static_cast<float>(a)));
+        }
+    }
+} AtanhOp;
+
+} // namespace op::atanh::metax
+
+#endif // __ATANH_METAX_KERNEL_H__

src/infiniop/ops/atanh/moore/atanh_moore.h

+#ifndef __ATANH_MOORE_API_H__
+#define __ATANH_MOORE_API_H__
+
+// 1. 修改包含路径，指向 moore 平台的 elementwise API 定义
+#include "../../../elementwise/moore/elementwise_moore_api.h"
+
+// 2. 使用 ELEMENTWISE_DESCRIPTOR 宏，平台参数改为 moore
+// 这将自动生成 op::atanh::moore::Descriptor 类的声明
+ELEMENTWISE_DESCRIPTOR(atanh, moore)
+
+#endif // __ATANH_MOORE_API_H__

src/infiniop/ops/atanh/moore/atanh_moore.mu

+#include "../../../elementwise/moore/elementwise_moore.h"
+
+#include "atanh_moore.h"
+#include "atanh_moore_kernel.h"
+
+namespace op::atanh::moore {
+
+Descriptor::~Descriptor() = default;
+
+infiniStatus_t Descriptor::create(
+    infiniopHandle_t handle_,
+    Descriptor **desc_ptr,
+    infiniopTensorDescriptor_t out_desc,
+    std::vector<infiniopTensorDescriptor_t> input_desc_vec) {
+
+    // 1. 转换 Handle 为 Moore 平台类型
+    auto handle = reinterpret_cast<device::moore::Handle *>(handle_);
+    auto dtype = out_desc->dtype();
+
+    const auto &a_desc = input_desc_vec.at(0);
+    const auto &y_shape = out_desc->shape();
+    const auto &a_shape = a_desc->shape();
+
+    // 2. 检查数据类型支持情况
+    CHECK_DTYPE(dtype, INFINI_DTYPE_F16, INFINI_DTYPE_F32, INFINI_DTYPE_BF16, INFINI_DTYPE_F64);
+
+    // 3. 校验 Shape 一致性
+    CHECK_SAME_SHAPE(y_shape, a_shape);
+
+    // 4. 创建 Moore 平台的 Elementwise 描述符
+    CREATE_ELEMENTWISE_MOORE_DESCRIPTOR(handle, dtype, out_desc, input_desc_vec)
+
+    return INFINI_STATUS_SUCCESS;
+}
+
+infiniStatus_t Descriptor::calculate(
+    void *workspace,
+    size_t workspace_size,
+    void *output,
+    std::vector<const void *> inputs,
+    void *stream) const {
+
+    if (workspace_size < _workspace_size) {
+        return INFINI_STATUS_INSUFFICIENT_WORKSPACE;
+    }
+
+    // 5. 根据数据类型分发到具体的 MUSA Kernel 逻辑
+    switch (_dtype) {
+    case INFINI_DTYPE_F16:
+        return _device_info->calculate<256, moore::AtanhOp, half>(_info, workspace, output, inputs, stream);
+    case INFINI_DTYPE_BF16:
+        // 注意：这里将 nv_bfloat16 替换为 Moore 环境下的 bfloat16 类型名
+        return _device_info->calculate<256, moore::AtanhOp, cuda_bfloat16>(_info, workspace, output, inputs, stream);
+    case INFINI_DTYPE_F32:
+        return _device_info->calculate<256, moore::AtanhOp, float>(_info, workspace, output, inputs, stream);
+    case INFINI_DTYPE_F64:
+        return _device_info->calculate<256, moore::AtanhOp, double>(_info, workspace, output, inputs, stream);
+    default:
+        return INFINI_STATUS_BAD_TENSOR_DTYPE;
+    }
+
+    return INFINI_STATUS_SUCCESS;
+}
+} // namespace op::atanh::moore

src/infiniop/ops/atanh/moore/atanh_moore_kernel.h

+#ifndef __ATANH_MOORE_KERNEL_H__
+#define __ATANH_MOORE_KERNEL_H__
+
+/*
+ * This file contains the Atanh operation implementation for the MUSA backend.
+ *
+ * It follows the consistent code structure to ensure alignment across different
+ * hardware platforms within the Moore Threads (MUSA) ecosystem.
+ */
+namespace op::atanh::moore {
+
+typedef struct AtanhOp {
+public:
+    // 一元算子，输入数量为 1
+    static constexpr size_t num_inputs = 1;
+
+    template <typename T>
+    __device__ __forceinline__ T operator()(const T &a) const {
+        if constexpr (std::is_same_v<T, half2>) {
+            // 针对 half2 进行并行计算
+            float2 f2 = __half22float2(a);
+            f2.x = atanhf(f2.x);
+            f2.y = atanhf(f2.y);
+            return __float22half2_rn(f2);
+        } else if constexpr (std::is_same_v<T, half>) {
+            // 转为 float 计算以保证精度并匹配 MUSA 数学库
+            return __float2half(atanhf(__half2float(a)));
+        } else if constexpr (std::is_same_v<T, cuda_bfloat16>) {
+            // BF16 同样提升到 float 计算，避免转换歧义
+            float a_f = __bfloat162float(a);
+            return __float2bfloat16_rn(atanhf(a_f));
+        } else if constexpr (std::is_same_v<T, float>) {
+            // 调用 MUSA 内置的单精度反双曲正切函数
+            return atanhf(a);
+        } else if constexpr (std::is_same_v<T, double>) {
+            // 调用双精度版本
+            return ::atanh(a);
+        } else {
+            // 兜底实现（如果是整数类型，通常会隐式转为 float）
+            return static_cast<T>(atanhf(static_cast<float>(a)));
+        }
+    }
+} AtanhOp;
+
+} // namespace op::atanh::moore
+
+#endif // __ATANH_MOORE_KERNEL_H__

src/infiniop/ops/atanh/nvidia/atanh_nvidia.cu

+#include "../../../elementwise/nvidia/elementwise_nvidia.cuh"
+
+#include "../cuda/kernel.cuh"
+#include "atanh_nvidia.cuh"
+
+namespace op::atanh::nvidia {
+
+Descriptor::~Descriptor() = default;
+
+infiniStatus_t Descriptor::create(
+    infiniopHandle_t handle_,
+    Descriptor **desc_ptr,
+    infiniopTensorDescriptor_t out_desc,
+    std::vector<infiniopTensorDescriptor_t> input_desc_vec) {
+
+    auto handle = reinterpret_cast<device::nvidia::Handle *>(handle_);
+    auto dtype = out_desc->dtype();
+
+    const auto &a_desc = input_desc_vec.at(0);
+    const auto &y_shape = out_desc->shape();
+    const auto &a_shape = a_desc->shape();
+
+    CHECK_DTYPE(dtype, INFINI_DTYPE_F16, INFINI_DTYPE_F32, INFINI_DTYPE_BF16, INFINI_DTYPE_F64);
+
+    CHECK_SAME_SHAPE(y_shape, a_shape);
+
+    CREATE_ELEMENTWISE_CUDA_DESCRIPTOR(handle, dtype, out_desc, input_desc_vec)
+
+    return INFINI_STATUS_SUCCESS;
+}
+
+infiniStatus_t Descriptor::calculate(
+    void *workspace,
+    size_t workspace_size,
+    void *output,
+    std::vector<const void *> inputs,
+    void *stream) const {
+
+    if (workspace_size < _workspace_size) {
+        return INFINI_STATUS_INSUFFICIENT_WORKSPACE;
+    }
+
+    switch (_dtype) {
+    case INFINI_DTYPE_F16:
+        return _device_info->calculate<256, cuda::AtanhOp, half>(_info, workspace, output, inputs, stream);
+    case INFINI_DTYPE_BF16:
+        return _device_info->calculate<256, cuda::AtanhOp, nv_bfloat16>(_info, workspace, output, inputs, stream);
+    case INFINI_DTYPE_F32:
+        return _device_info->calculate<256, cuda::AtanhOp, float>(_info, workspace, output, inputs, stream);
+    case INFINI_DTYPE_F64:
+        return _device_info->calculate<256, cuda::AtanhOp, double>(_info, workspace, output, inputs, stream);
+    default:
+        return INFINI_STATUS_BAD_TENSOR_DTYPE;
+    }
+
+    return INFINI_STATUS_SUCCESS;
+}
+} // namespace op::atanh::nvidia

src/infiniop/ops/atanh/nvidia/atanh_nvidia.cuh

+#ifndef __ATANH_CUDA_API_H__
+#define __ATANH_CUDA_API_H__
+
+#include "../../../elementwise/nvidia/elementwise_nvidia_api.cuh"
+
+ELEMENTWISE_DESCRIPTOR(atanh, nvidia)
+
+#endif // __ATANH_CUDA_API_H__

src/infiniop/ops/atanh/operator.cc

+#include "../../operator.h"
+#include "../../handle.h"
+#include "infiniop/ops/atanh.h"
+
+#ifdef ENABLE_CPU_API
+#include "cpu/atanh_cpu.h"
+#endif
+#if defined(ENABLE_NVIDIA_API) || defined(ENABLE_ILUVATAR_API) || defined(ENABLE_QY_API)
+#include "nvidia/atanh_nvidia.cuh"
+#endif
+#ifdef ENABLE_METAX_API
+#include "metax/atanh_metax.h"
+#endif
+#ifdef ENABLE_KUNLUN_API
+#include "kunlun/atanh_kunlun.h"
+#endif
+#ifdef ENABLE_CAMBRICON_API
+#include "bang/atanh_bang.h"
+#endif
+#ifdef ENABLE_MOORE_API
+#include "moore/atanh_moore.h"
+#endif
+
+__INFINI_C infiniStatus_t infiniopCreateAtanhDescriptor(
+    infiniopHandle_t handle,
+    infiniopAtanhDescriptor_t *desc_ptr,
+    infiniopTensorDescriptor_t y_desc,
+    infiniopTensorDescriptor_t a_desc) {
+
+#define CREATE(CASE, NAMESPACE)                                              \
+    case CASE:                                                               \
+        return op::atanh::NAMESPACE::Descriptor::create(                     \
+            handle,                                                          \
+            reinterpret_cast<op::atanh::NAMESPACE::Descriptor **>(desc_ptr), \
+            y_desc,                                                          \
+            {a_desc}) // 一元算子只传入 a_desc
+
+    switch (handle->device) {
+
+#ifdef ENABLE_CPU_API
+        CREATE(INFINI_DEVICE_CPU, cpu);
+#endif
+#ifdef ENABLE_NVIDIA_API
+        CREATE(INFINI_DEVICE_NVIDIA, nvidia);
+#endif
+#ifdef ENABLE_ILUVATAR_API
+        CREATE(INFINI_DEVICE_ILUVATAR, nvidia);
+#endif
+#ifdef ENABLE_QY_API
+        CREATE(INFINI_DEVICE_QY, nvidia);
+#endif
+#ifdef ENABLE_METAX_API
+        CREATE(INFINI_DEVICE_METAX, metax);
+#endif
+#ifdef ENABLE_KUNLUN_API
+        CREATE(INFINI_DEVICE_KUNLUN, kunlun);
+#endif
+#ifdef ENABLE_CAMBRICON_API
+        CREATE(INFINI_DEVICE_CAMBRICON, bang);
+#endif
+#ifdef ENABLE_MOORE_API
+        CREATE(INFINI_DEVICE_MOORE, moore);
+#endif
+
+    default:
+        return INFINI_STATUS_DEVICE_TYPE_NOT_SUPPORTED;
+    }
+
+#undef CREATE
+}
+
+__INFINI_C infiniStatus_t infiniopGetAtanhWorkspaceSize(infiniopAtanhDescriptor_t desc, size_t *size) {
+
+#define GET(CASE, NAMESPACE)                                                                 \
+    case CASE:                                                                               \
+        *size = reinterpret_cast<op::atanh::NAMESPACE::Descriptor *>(desc)->workspaceSize(); \
+        return INFINI_STATUS_SUCCESS
+
+    switch (desc->device_type) {
+#ifdef ENABLE_CPU_API
+        GET(INFINI_DEVICE_CPU, cpu);
+#endif
+#ifdef ENABLE_NVIDIA_API
+        GET(INFINI_DEVICE_NVIDIA, nvidia);
+#endif
+#ifdef ENABLE_ILUVATAR_API
+        GET(INFINI_DEVICE_ILUVATAR, nvidia);
+#endif
+#ifdef ENABLE_QY_API
+        GET(INFINI_DEVICE_QY, nvidia);
+#endif
+#ifdef ENABLE_METAX_API
+        GET(INFINI_DEVICE_METAX, metax);
+#endif
+#ifdef ENABLE_KUNLUN_API
+        GET(INFINI_DEVICE_KUNLUN, kunlun);
+#endif
+#ifdef ENABLE_CAMBRICON_API
+        GET(INFINI_DEVICE_CAMBRICON, bang);
+#endif
+#ifdef ENABLE_MOORE_API
+        GET(INFINI_DEVICE_MOORE, moore);
+#endif
+    default:
+        return INFINI_STATUS_DEVICE_TYPE_NOT_SUPPORTED;
+    }
+#undef GET
+}
+
+__INFINI_C infiniStatus_t infiniopAtanh(
+    infiniopAtanhDescriptor_t desc,
+    void *workspace,
+    size_t workspace_size,
+    void *y,
+    const void *a,
+    void *stream) {
+
+#define CALCULATE(CASE, NAMESPACE)                                              \
+    case CASE:                                                                  \
+        return reinterpret_cast<const op::atanh::NAMESPACE::Descriptor *>(desc) \
+            ->calculate(workspace, workspace_size, y, {a}, stream) // 一元算子只传入 a
+
+    switch (desc->device_type) {
+
+#ifdef ENABLE_CPU_API
+        CALCULATE(INFINI_DEVICE_CPU, cpu);
+#endif
+#ifdef ENABLE_NVIDIA_API
+        CALCULATE(INFINI_DEVICE_NVIDIA, nvidia);
+#endif
+#ifdef ENABLE_ILUVATAR_API
+        CALCULATE(INFINI_DEVICE_ILUVATAR, nvidia);
+#endif
+#ifdef ENABLE_QY_API
+        CALCULATE(INFINI_DEVICE_QY, nvidia);
+#endif
+#ifdef ENABLE_METAX_API
+        CALCULATE(INFINI_DEVICE_METAX, metax);
+#endif
+#ifdef ENABLE_KUNLUN_API
+        CALCULATE(INFINI_DEVICE_KUNLUN, kunlun);
+#endif
+#ifdef ENABLE_CAMBRICON_API
+        CALCULATE(INFINI_DEVICE_CAMBRICON, bang);
+#endif
+#ifdef ENABLE_MOORE_API
+        CALCULATE(INFINI_DEVICE_MOORE, moore);
+#endif
+
+    default:
+        return INFINI_STATUS_DEVICE_TYPE_NOT_SUPPORTED;
+    }
+
+#undef CALCULATE
+}
+
+__INFINI_C infiniStatus_t
+infiniopDestroyAtanhDescriptor(infiniopAtanhDescriptor_t desc) {
+
+#define DELETE(CASE, NAMESPACE)                                                  \
+    case CASE:                                                                   \
+        delete reinterpret_cast<const op::atanh::NAMESPACE::Descriptor *>(desc); \
+        return INFINI_STATUS_SUCCESS
+
+    switch (desc->device_type) {
+
+#ifdef ENABLE_CPU_API
+        DELETE(INFINI_DEVICE_CPU, cpu);
+#endif
+#ifdef ENABLE_NVIDIA_API
+        DELETE(INFINI_DEVICE_NVIDIA, nvidia);
+#endif
+#ifdef ENABLE_ILUVATAR_API
+        DELETE(INFINI_DEVICE_ILUVATAR, nvidia);
+#endif
+#ifdef ENABLE_QY_API
+        DELETE(INFINI_DEVICE_QY, nvidia);
+#endif
+#ifdef ENABLE_METAX_API
+        DELETE(INFINI_DEVICE_METAX, metax);
+#endif
+#ifdef ENABLE_KUNLUN_API
+        DELETE(INFINI_DEVICE_KUNLUN, kunlun);
+#endif
+#ifdef ENABLE_CAMBRICON_API
+        DELETE(INFINI_DEVICE_CAMBRICON, bang);
+#endif
+#ifdef ENABLE_MOORE_API
+        DELETE(INFINI_DEVICE_MOORE, moore);
+#endif
+
+    default:
+        return INFINI_STATUS_DEVICE_TYPE_NOT_SUPPORTED;
+    }
+
+#undef DELETE
+}

src/infiniop/ops/binary_cross_entropy_with_logits/binary_cross_entropy_with_logits.h

+#ifndef __BINARY_CROSS_ENTROPY_WITH_LOGITS_H__
+#define __BINARY_CROSS_ENTROPY_WITH_LOGITS_H__
+
+#include "../../operator.h"
+#include "info.h"
+
+/**
+ * # 关于 `BCEWithLogits` 算子描述符的说明
+ * * 采用 PImpl 设计模式，将不同硬件后端（如 CUDA 原生算子、CPU 循环、或是芯片厂商的专用库调用）
+ * 封装在 `Opaque` 结构中。
+ * * 描述符在创建时会完成形状校验、步长分析，并确定最优的计算 Workspace 大小。
+ */
+
+#define DESCRIPTOR(NAMESPACE)                                                        \
+                                                                                     \
+    namespace op::bce_with_logits::NAMESPACE {                                       \
+    class Descriptor final : public InfiniopDescriptor {                             \
+        struct Opaque;                                                               \
+        Opaque *_opaque;                                                             \
+        infiniDtype_t _dtype;                                                        \
+        BCEWithLogitsInfo _info; /* 包含各输入输出张量的维度与步长 */ \
+        size_t _workspace_size;                                                      \
+        infiniopReduction_t _reduction;                                              \
+                                                                                     \
+        Descriptor(                                                                  \
+            infiniDtype_t dtype,                                                     \
+            BCEWithLogitsInfo info,                                                  \
+            infiniopReduction_t reduction,                                           \
+            size_t workspace_size_,                                                  \
+            Opaque *opaque,                                                          \
+            infiniDevice_t device_type,                                              \
+            int device_id)                                                           \
+            : InfiniopDescriptor{device_type, device_id},                            \
+              _opaque(opaque),                                                       \
+              _dtype(dtype),                                                         \
+              _info(info),                                                           \
+              _workspace_size(workspace_size_),                                      \
+              _reduction(reduction) {}                                               \
+                                                                                     \
+    public:                                                                          \
+        ~Descriptor();                                                               \
+                                                                                     \
+        size_t workspaceSize() const { return _workspace_size; }                     \
+                                                                                     \
+        static infiniStatus_t create(                                                \
+            infiniopHandle_t handle,                                                 \
+            Descriptor **desc_ptr,                                                   \
+            infiniopTensorDescriptor_t out_desc,                                     \
+            infiniopTensorDescriptor_t logits_desc,                                  \
+            infiniopTensorDescriptor_t target_desc,                                  \
+            infiniopTensorDescriptor_t weight_desc,                                  \
+            infiniopTensorDescriptor_t pos_weight_desc,                              \
+            infiniopReduction_t reduction);                                          \
+                                                                                     \
+        infiniStatus_t calculate(                                                    \
+            void *workspace,                                                         \
+            size_t workspace_size,                                                   \
+            void *out,                                                               \
+            const void *logits,                                                      \
+            const void *target,                                                      \
+            const void *weight,     /* 可选，可为 nullptr */                    \
+            const void *pos_weight, /* 可选，可为 nullptr */                    \
+            void *stream) const;                                                     \
+    };                                                                               \
+    }
+
+#endif // __BINARY_CROSS_ENTROPY_WITH_LOGITS_H__

src/infiniop/ops/binary_cross_entropy_with_logits/cpu/binary_cross_entropy_with_logits_cpu.cc

+#include "binary_cross_entropy_with_logits_cpu.h"
+#include "../../../devices/cpu/common_cpu.h"
+#include <algorithm>
+#include <cmath>
+
+namespace op::bce_with_logits::cpu {
+
+Descriptor::~Descriptor() = default;
+
+infiniStatus_t Descriptor::create(
+    infiniopHandle_t handle_,
+    Descriptor **desc_ptr,
+    infiniopTensorDescriptor_t out_desc,
+    infiniopTensorDescriptor_t logits_desc,
+    infiniopTensorDescriptor_t target_desc,
+    infiniopTensorDescriptor_t weight_desc,
+    infiniopTensorDescriptor_t pos_weight_desc,
+    infiniopReduction_t reduction) {
+
+    auto handle = reinterpret_cast<device::cpu::Handle *>(handle_);
+    auto dtype = logits_desc->dtype();
+
+    // 1. 类型检查
+    CHECK_DTYPE(dtype, INFINI_DTYPE_F16, INFINI_DTYPE_F32, INFINI_DTYPE_BF16);
+
+    // 2. 解析维度信息 (利用之前定义的 BCEWithLogitsInfo)
+    auto result = BCEWithLogitsInfo::create(out_desc, logits_desc, target_desc,
+                                            weight_desc, pos_weight_desc, reduction);
+    CHECK_RESULT(result);
+
+    // 3. 实例化描述符
+    *desc_ptr = new Descriptor(
+        dtype, result.take(), reduction, 0,
+        nullptr,
+        handle->device, handle->device_id);
+
+    return INFINI_STATUS_SUCCESS;
+}
+
+/**
+ * 核心数值稳定逻辑：L = -w * [pw * y * log(sigmoid(x)) + (1-y) * log(1-sigmoid(x))]
+ * 变形为：L = w * [max(x, 0) - x * y * pw + (1 + (pw-1) * y) * log(1 + exp(-|x|))]
+ * 当 pw=1 时简化为：L = w * [max(x, 0) - x * y + log(1 + exp(-|x|))]
+ */
+template <typename Tdata>
+void calculate_bce(
+    const BCEWithLogitsInfo &info,
+    void *out,
+    const void *logits,
+    const void *target,
+    const void *weight,
+    const void *pos_weight) {
+
+    size_t n = info.num_elements;
+    float total_loss = 0.0f;
+
+    // 获取各张量指针
+    const Tdata *l_ptr = reinterpret_cast<const Tdata *>(logits);
+    const Tdata *t_ptr = reinterpret_cast<const Tdata *>(target);
+    const Tdata *w_ptr = reinterpret_cast<const Tdata *>(weight);
+    const Tdata *pw_ptr = reinterpret_cast<const Tdata *>(pos_weight);
+    Tdata *o_ptr = reinterpret_cast<Tdata *>(out);
+
+    auto &logits_info = info.logits;
+    auto &target_info = info.target;
+    auto &weight_info = info.weight;
+    auto &out_info = info.out;
+
+#pragma omp parallel for reduction(+ : total_loss)
+    for (ptrdiff_t i = 0; i < (ptrdiff_t)n; ++i) {
+        size_t idx = static_cast<size_t>(i);
+
+        // 使用 stride 计算实际内存偏移，支持任意内存布局
+        size_t logits_offset = op::common_cpu::indexToOffset(
+            idx,
+            logits_info.ndim,
+            logits_info.dims.data(),
+            logits_info.stride.data());
+        size_t target_offset = op::common_cpu::indexToOffset(
+            idx,
+            target_info.ndim,
+            target_info.dims.data(),
+            target_info.stride.data());
+
+        float x = utils::cast<float>(l_ptr[logits_offset]);
+        float y = utils::cast<float>(t_ptr[target_offset]);
+
+        // 处理 pos_weight 广播 (假设 logits 形状 [..., C], pos_weight 为 [C] 且连续)
+        float pw = 1.0f;
+        if (pw_ptr && info.pos_weight.total_elements > 0) {
+            size_t c = idx % info.pos_weight.total_elements;
+            pw = utils::cast<float>(pw_ptr[c]);
+        }
+
+        // 处理 weight：
+        // - 如果与 logits 完全同形状，则按 stride 精确索引；
+        // - 如果为向量 [C]，则通过 indexToOffset 实现按最后一维广播。
+        float w = 1.0f;
+        if (w_ptr && weight_info.ndim > 0) {
+            size_t weight_offset = op::common_cpu::indexToOffset(
+                idx,
+                weight_info.ndim,
+                weight_info.dims.data(),
+                weight_info.stride.data());
+            w = utils::cast<float>(w_ptr[weight_offset]);
+        }
+
+        // 数值稳定的 BCEWithLogits 计算（对齐 PyTorch 实现）：
+        // max_val = max(-x, 0)
+        // log_weight = 1 + (pos_weight - 1) * y
+        // loss = (1 - y) * x + log_weight * (log(1 + exp(-|x|)) + max_val)
+        float max_val = std::max(-x, 0.0f);
+        float log_weight = 1.0f + (pw - 1.0f) * y;
+        float loss = (1.0f - y) * x + log_weight * (std::log1p(std::exp(-std::abs(x))) + max_val);
+
+        loss *= w;
+
+        if (info.reduction == INFINIOP_REDUCTION_NONE) {
+            // 逐元素写回时同样遵循 out 的 stride
+            size_t out_offset = op::common_cpu::indexToOffset(
+                idx,
+                out_info.ndim,
+                out_info.dims.data(),
+                out_info.stride.data());
+            o_ptr[out_offset] = utils::cast<Tdata>(loss);
+        } else {
+            total_loss += loss;
+        }
+    }
+
+    // 处理归约输出
+    if (info.reduction == INFINIOP_REDUCTION_MEAN) {
+        o_ptr[0] = utils::cast<Tdata>(total_loss / n);
+    } else if (info.reduction == INFINIOP_REDUCTION_SUM) {
+        o_ptr[0] = utils::cast<Tdata>(total_loss);
+    }
+}
+
+infiniStatus_t Descriptor::calculate(
+    void *workspace,
+    size_t workspace_size,
+    void *out,
+    const void *logits,
+    const void *target,
+    const void *weight,
+    const void *pos_weight,
+    void *stream) const {
+
+    switch (_dtype) {
+    case INFINI_DTYPE_F16:
+        cpu::calculate_bce<fp16_t>(_info, out, logits, target, weight, pos_weight);
+        return INFINI_STATUS_SUCCESS;
+    case INFINI_DTYPE_BF16:
+        cpu::calculate_bce<bf16_t>(_info, out, logits, target, weight, pos_weight);
+        return INFINI_STATUS_SUCCESS;
+    case INFINI_DTYPE_F32:
+        cpu::calculate_bce<float>(_info, out, logits, target, weight, pos_weight);
+        return INFINI_STATUS_SUCCESS;
+    default:
+        return INFINI_STATUS_BAD_TENSOR_DTYPE;
+    }
+}
+
+} // namespace op::bce_with_logits::cpu

src/infiniop/ops/binary_cross_entropy_with_logits/cpu/binary_cross_entropy_with_logits_cpu.h

+#ifndef __BINARY_CROSS_ENTROPY_WITH_LOGITS_CPU_H__
+#define __BINARY_CROSS_ENTROPY_WITH_LOGITS_CPU_H__
+
+#include "../binary_cross_entropy_with_logits.h"
+
+/**
+ * 使用 bce_with_logits.h 中定义的 DESCRIPTOR 宏
+ * * 这将自动在命名空间 op::bce_with_logits::cpu 中生成 Descriptor 类。
+ * 该类将继承自 InfiniopDescriptor，并包含：
+ * - BCEWithLogitsInfo _info (存储校验后的维度和步长)
+ * - create() 静态方法 (负责 CPU 版描述符的实例化)
+ * - calculate() 方法 (负责 CPU 版数值稳定逻辑的执行)
+ */
+DESCRIPTOR(cpu)
+
+#endif // __BINARY_CROSS_ENTROPY_WITH_LOGITS_CPU_H__

src/infiniop/ops/binary_cross_entropy_with_logits/info.h

+#ifndef __BINARY_CROSS_ENTROPY_WITH_LOGITS_INFO_H__
+#define __BINARY_CROSS_ENTROPY_WITH_LOGITS_INFO_H__
+
+#include "../../../utils.h"
+#include "../../operator.h"
+#include "../../tensor.h"
+#include "infiniop/ops/binary_cross_entropy_with_logits.h"
+#include <numeric>
+#include <vector>
+
+namespace op::bce_with_logits {
+
+/**
+ * 描述 BCE 算子中各张量的内存布局
+ * 动态申请 dims 和 stride，支持任意维度的张量
+ */
+struct BCETensorInfo {
+    size_t total_elements = 0;
+    size_t ndim = 0;
+    std::vector<size_t> dims;      // 动态存储维度
+    std::vector<ptrdiff_t> stride; // 动态存储步长
+
+    BCETensorInfo() = default;
+
+    static utils::Result<BCETensorInfo> create(infiniopTensorDescriptor_t desc) {
+        if (desc == nullptr) {
+            return INFINI_STATUS_SUCCESS;
+        }
+
+        BCETensorInfo info;
+        info.ndim = desc->ndim();
+        info.total_elements = 1;
+
+        // 动态调整 vector 大小
+        info.dims.reserve(info.ndim);
+        info.stride.reserve(info.ndim);
+
+        for (size_t i = 0; i < info.ndim; ++i) {
+            size_t d = desc->dim(i);
+            info.dims.push_back(d);
+            info.stride.push_back(desc->stride(i));
+            info.total_elements *= d;
+        }
+        return utils::Result<BCETensorInfo>(std::move(info));
+    }
+
+    // 辅助方法：获取最后一维大小（用于 pos_weight 校验）
+    size_t last_dim() const {
+        return ndim > 0 ? dims.back() : 0;
+    }
+};
+
+class BCEWithLogitsInfo {
+public:
+    BCETensorInfo logits;
+    BCETensorInfo target;
+    BCETensorInfo weight;
+    BCETensorInfo pos_weight;
+    BCETensorInfo out;
+
+    size_t num_elements;
+    infiniopReduction_t reduction;
+
+    // 由于 BCETensorInfo 内部使用了 vector，BCEWithLogitsInfo 现在是可移动且安全的
+    BCEWithLogitsInfo() = default;
+
+    static utils::Result<BCEWithLogitsInfo> create(
+        infiniopTensorDescriptor_t out_desc,
+        infiniopTensorDescriptor_t logits_desc,
+        infiniopTensorDescriptor_t target_desc,
+        infiniopTensorDescriptor_t weight_desc,
+        infiniopTensorDescriptor_t pos_weight_desc,
+        infiniopReduction_t reduction) {
+
+        auto logits_res = BCETensorInfo::create(logits_desc);
+        CHECK_RESULT(logits_res);
+        auto target_res = BCETensorInfo::create(target_desc);
+        CHECK_RESULT(target_res);
+        auto out_res = BCETensorInfo::create(out_desc);
+        CHECK_RESULT(out_res);
+
+        BCEWithLogitsInfo info;
+        info.logits = logits_res.take();
+        info.target = target_res.take();
+        info.out = out_res.take();
+        info.reduction = reduction;
+        info.num_elements = info.logits.total_elements;
+
+        // 1. 基本形状一致性校验
+        if (info.logits.ndim != info.target.ndim) {
+            return INFINI_STATUS_BAD_TENSOR_SHAPE;
+        }
+        for (size_t i = 0; i < info.logits.ndim; ++i) {
+            if (info.logits.dims[i] != info.target.dims[i]) {
+                return INFINI_STATUS_BAD_TENSOR_SHAPE;
+            }
+        }
+
+        // 2. 校验 weight (需完全一致)
+        if (weight_desc) {
+            auto w_res = BCETensorInfo::create(weight_desc);
+            CHECK_RESULT(w_res);
+            info.weight = w_res.take();
+
+            // 允许两种情况：
+            // 1. 完全一致
+            // 2. weight 是一个向量，且长度等于 logits 的最后一维 (常见广播场景)
+            bool is_full_match = (info.weight.total_elements == info.logits.total_elements);
+            bool is_last_dim_match = (info.weight.total_elements == info.logits.last_dim());
+
+            if (!is_full_match && !is_last_dim_match) {
+                return INFINI_STATUS_BAD_TENSOR_SHAPE;
+            }
+        }
+
+        // 3. 记录 pos_weight 信息
+        //    广播行为由计算 Kernel 通过长度进行处理，这里不过度限制形状，
+        //    只要能够提供有效的长度即可，避免误报 Bad Tensor Shape。
+        if (pos_weight_desc) {
+            auto pw_res = BCETensorInfo::create(pos_weight_desc);
+            CHECK_RESULT(pw_res);
+            info.pos_weight = pw_res.take();
+        }
+
+        // 4. 输出形状
+        // 这里不再强制校验 out 与 logits/标量的元素数量完全一致，
+        // 由高层 API 负责创建合理的输出张量；底层实现只依赖
+        // `_info.out` 的 stride 在 reduction==NONE 且逐元素写回时使用。
+
+        return utils::Result<BCEWithLogitsInfo>(std::move(info));
+    }
+};
+
+} // namespace op::bce_with_logits
+
+#endif // __BINARY_CROSS_ENTROPY_WITH_LOGITS_INFO_H__

src/infiniop/ops/binary_cross_entropy_with_logits/metax/binary_cross_entropy_with_logits_metax.h

+#ifndef __BINARY_CROSS_ENTROPY_WITH_LOGITS_METAX_CUH__
+#define __BINARY_CROSS_ENTROPY_WITH_LOGITS_METAX_CUH__
+
+#include "../binary_cross_entropy_with_logits.h"
+
+/**
+ * 使用 bce_with_logits.h 中定义的 DESCRIPTOR 宏。
+ * 这将在命名空间 op::bce_with_logits::metax 中生成针对 METAX 设备的 Descriptor 类。
+ * * * 在 METAX 端的实现（.cu 文件）中，Opaque 结构体通常包含：
+ * - cudnnHandle_t: 如果使用 cuDNN 的算子实现。
+ * - cudnnTensorDescriptor_t: 用于描述各输入输出张量的 cuDNN 格式。
+ * - KernelConfig: 用于自定义 METAX Kernel 的网格（Grid）和线程块（Block）配置。
+ * - dataType: 对应的 METAX 数据类型（如 METAX_R_32F）。
+ */
+DESCRIPTOR(metax)
+
+#endif // __BINARY_CROSS_ENTROPY_WITH_LOGITS_METAX_CUH__

src/infiniop/ops/binary_cross_entropy_with_logits/metax/binary_cross_entropy_with_logits_metax.maca

+#include "../../../devices/metax/metax_common.h"
+#include "../../../devices/metax/metax_handle.h"
+#include "../../../devices/metax/metax_kernel_common.h"
+#include "binary_cross_entropy_with_logits_metax.h"
+#include <mc_runtime.h>
+#include <type_traits>
+
+namespace op::bce_with_logits::metax {
+
+using device::metax::indexToOffset;
+
+struct Descriptor::Opaque {};
+
+Descriptor::~Descriptor() = default;
+
+// 在 GPU 侧使用的简化张量信息（固定上限维度，支持 stride）
+constexpr int BCE_MAX_DIMS = 8;
+
+struct BCETensorInfoDevice {
+    size_t ndim;
+    size_t shape[BCE_MAX_DIMS];
+    ptrdiff_t strides[BCE_MAX_DIMS];
+};
+
+static inline BCETensorInfoDevice make_device_info(const BCETensorInfo &info) {
+    BCETensorInfoDevice dev{};
+    dev.ndim = info.ndim;
+    for (size_t i = 0; i < info.ndim && i < static_cast<size_t>(BCE_MAX_DIMS); ++i) {
+        dev.shape[i] = info.dims[i];
+        dev.strides[i] = info.stride[i];
+    }
+    return dev;
+}
+
+infiniStatus_t Descriptor::create(
+    infiniopHandle_t handle_,
+    Descriptor **desc_ptr,
+    infiniopTensorDescriptor_t out_desc,
+    infiniopTensorDescriptor_t logits_desc,
+    infiniopTensorDescriptor_t target_desc,
+    infiniopTensorDescriptor_t weight_desc,
+    infiniopTensorDescriptor_t pos_weight_desc,
+    infiniopReduction_t reduction) {
+
+    auto handle = reinterpret_cast<device::metax::Handle *>(handle_);
+    auto dtype = logits_desc->dtype();
+
+    // METAX 实现支持 F16 / F32 / BF16
+    CHECK_DTYPE(dtype, INFINI_DTYPE_F16, INFINI_DTYPE_F32, INFINI_DTYPE_BF16);
+
+    auto result = BCEWithLogitsInfo::create(out_desc, logits_desc, target_desc,
+                                            weight_desc, pos_weight_desc, reduction);
+    CHECK_RESULT(result);
+
+    auto info = result.take();
+
+    // F16/BF16 在做归约时需要一个 float 标量 workspace 来累加
+    size_t workspace_size = 0;
+    if (reduction != INFINIOP_REDUCTION_NONE && (dtype == INFINI_DTYPE_F16 || dtype == INFINI_DTYPE_BF16)) {
+        workspace_size = sizeof(float);
+    }
+
+    *desc_ptr = new Descriptor(
+        dtype, std::move(info), reduction, workspace_size,
+        nullptr,
+        handle->device, handle->device_id);
+
+    return INFINI_STATUS_SUCCESS;
+}
+
+// 将任意标量类型提升为 float
+template <typename T>
+__device__ __forceinline__ float to_float(T x) {
+    if constexpr (std::is_same_v<T, float>) {
+        return x;
+    } else if constexpr (std::is_same_v<T, half>) {
+        return __half2float(x);
+    } else if constexpr (std::is_same_v<T, cuda_bfloat16>) {
+        return __bfloat162float(x);
+    } else {
+        return static_cast<float>(x);
+    }
+}
+
+// 从 float 转回目标标量类型
+template <typename T>
+__device__ __forceinline__ T from_float(float x) {
+    if constexpr (std::is_same_v<T, float>) {
+        return x;
+    } else if constexpr (std::is_same_v<T, half>) {
+        return __float2half(x);
+    } else if constexpr (std::is_same_v<T, cuda_bfloat16>) {
+        return __float2bfloat16(x);
+    } else {
+        return static_cast<T>(x);
+    }
+}
+
+// --- METAX Kernel: 支持 stride 的数值稳定 BCE 计算 ---
+template <typename Tdata, typename Taccum>
+__global__ void bce_logits_kernel(
+    void *out_raw,
+    const Tdata *logits,
+    const Tdata *target,
+    const Tdata *weight,
+    const Tdata *pos_weight,
+    BCETensorInfoDevice logits_info,
+    BCETensorInfoDevice target_info,
+    BCETensorInfoDevice weight_info,
+    BCETensorInfoDevice out_info,
+    size_t n,
+    size_t pos_weight_len,
+    infiniopReduction_t reduction) {
+
+    size_t idx = blockIdx.x * blockDim.x + threadIdx.x;
+    if (idx >= n) {
+        return;
+    }
+
+    // 计算逻辑索引在各张量中的偏移（支持任意 stride）
+    size_t logits_offset = indexToOffset(idx, logits_info.ndim,
+                                         logits_info.shape, logits_info.strides);
+    size_t target_offset = indexToOffset(idx, target_info.ndim,
+                                         target_info.shape, target_info.strides);
+
+    float x = to_float(logits[logits_offset]);
+    float y = to_float(target[target_offset]);
+
+    float pw = 1.0f;
+    if (pos_weight && pos_weight_len > 0) {
+        // 按最后一维广播：假设 pos_weight 是连续的一维张量
+        size_t c = idx % pos_weight_len;
+        pw = to_float(pos_weight[c]);
+    }
+
+    float w = 1.0f;
+    if (weight && weight_info.ndim > 0) {
+        size_t weight_offset = indexToOffset(idx, weight_info.ndim,
+                                             weight_info.shape, weight_info.strides);
+        w = to_float(weight[weight_offset]);
+    }
+
+    // 数值稳定公式：max(x, 0) - x * y * pw + (1 + (pw - 1) * y) * log(1 + exp(-abs(x)))
+    float loss = (fmaxf(x, 0.0f) - x * y * pw + (1.0f + (pw - 1.0f) * y) * logf(1.0f + expf(-fabsf(x))));
+
+    loss *= w;
+
+    if (reduction == INFINIOP_REDUCTION_NONE) {
+        // 写回逐元素 loss（支持 stride 的 out）
+        size_t out_offset = indexToOffset(idx, out_info.ndim,
+                                          out_info.shape, out_info.strides);
+        auto *out_ptr = static_cast<Tdata *>(out_raw);
+        out_ptr[out_offset] = from_float<Tdata>(loss);
+    } else {
+        // 对于 mean 或 sum，使用 float 累加到标量位置
+        auto *out_accum = static_cast<Taccum *>(out_raw);
+        atomicAdd(out_accum, static_cast<Taccum>(loss));
+    }
+}
+
+// F32 mean 归约：对输出标量做除法
+__global__ void bce_logits_mean_scale_kernel_f32(float *val, size_t count) {
+    if (threadIdx.x == 0 && blockIdx.x == 0) {
+        *val /= static_cast<float>(count);
+    }
+}
+
+// F16/BF16 归约：从 float workspace 写回目标 dtype
+template <typename Tdata>
+__global__ void bce_logits_reduce_finalize_kernel(
+    Tdata *out,
+    float *workspace,
+    size_t count,
+    int is_mean) {
+    if (threadIdx.x == 0 && blockIdx.x == 0) {
+        float v = *workspace;
+        if (is_mean) {
+            v /= static_cast<float>(count);
+        }
+        *out = from_float<Tdata>(v);
+    }
+}
+
+infiniStatus_t Descriptor::calculate(
+    void *workspace,
+    size_t workspace_size,
+    void *out,
+    const void *logits,
+    const void *target,
+    const void *weight,
+    const void *pos_weight,
+    void *stream) const {
+
+    mcStream_t custream = (mcStream_t)stream;
+    size_t n = _info.num_elements;
+
+    // F16/BF16 + 归约需要 float workspace
+    if (_reduction != INFINIOP_REDUCTION_NONE && (_dtype == INFINI_DTYPE_F16 || _dtype == INFINI_DTYPE_BF16)) {
+        if (workspace_size < sizeof(float)) {
+            return INFINI_STATUS_INSUFFICIENT_WORKSPACE;
+        }
+    }
+
+    int block = 256;
+    int grid = static_cast<int>((n + block - 1) / block);
+
+    // 构造 GPU 侧的张量信息（含 stride）
+    BCETensorInfoDevice logits_info = make_device_info(_info.logits);
+    BCETensorInfoDevice target_info = make_device_info(_info.target);
+    BCETensorInfoDevice out_info = make_device_info(_info.out);
+    BCETensorInfoDevice weight_info = {};
+    if (_info.weight.total_elements != 0) {
+        weight_info = make_device_info(_info.weight);
+    }
+
+    size_t pos_weight_len = _info.pos_weight.total_elements;
+
+    switch (_dtype) {
+    case INFINI_DTYPE_F32: {
+        // 如果是规约操作，计算前需将输出位置清零
+        if (_reduction != INFINIOP_REDUCTION_NONE) {
+            mcMemsetAsync(out, 0, sizeof(float), custream);
+        }
+
+        bce_logits_kernel<float, float><<<grid, block, 0, custream>>>(
+            out,
+            static_cast<const float *>(logits),
+            static_cast<const float *>(target),
+            static_cast<const float *>(weight),
+            static_cast<const float *>(pos_weight),
+            logits_info,
+            target_info,
+            weight_info,
+            out_info,
+            n,
+            pos_weight_len,
+            _reduction);
+
+        if (_reduction == INFINIOP_REDUCTION_MEAN) {
+            bce_logits_mean_scale_kernel_f32<<<1, 1, 0, custream>>>(
+                static_cast<float *>(out), n);
+        }
+        break;
+    }
+    case INFINI_DTYPE_F16: {
+        auto *logits_h = static_cast<const half *>(logits);
+        auto *target_h = static_cast<const half *>(target);
+        auto *weight_h = static_cast<const half *>(weight);
+        auto *pos_weight_h = static_cast<const half *>(pos_weight);
+
+        void *out_raw = nullptr;
+        float *workspace_f = nullptr;
+
+        if (_reduction == INFINIOP_REDUCTION_NONE) {
+            out_raw = out;
+        } else {
+            workspace_f = static_cast<float *>(workspace);
+            mcMemsetAsync(workspace_f, 0, sizeof(float), custream);
+            out_raw = workspace_f;
+        }
+
+        bce_logits_kernel<half, float><<<grid, block, 0, custream>>>(
+            out_raw,
+            logits_h,
+            target_h,
+            weight_h,
+            pos_weight_h,
+            logits_info,
+            target_info,
+            weight_info,
+            out_info,
+            n,
+            pos_weight_len,
+            _reduction);
+
+        if (_reduction != INFINIOP_REDUCTION_NONE) {
+            int is_mean = (_reduction == INFINIOP_REDUCTION_MEAN) ? 1 : 0;
+            bce_logits_reduce_finalize_kernel<half><<<1, 1, 0, custream>>>(
+                static_cast<half *>(out), workspace_f, n, is_mean);
+        }
+
+        break;
+    }
+    case INFINI_DTYPE_BF16: {
+        auto *logits_b = static_cast<const cuda_bfloat16 *>(logits);
+        auto *target_b = static_cast<const cuda_bfloat16 *>(target);
+        auto *weight_b = static_cast<const cuda_bfloat16 *>(weight);
+        auto *pos_weight_b = static_cast<const cuda_bfloat16 *>(pos_weight);
+
+        void *out_raw = nullptr;
+        float *workspace_f = nullptr;
+
+        if (_reduction == INFINIOP_REDUCTION_NONE) {
+            out_raw = out;
+        } else {
+            workspace_f = static_cast<float *>(workspace);
+            mcMemsetAsync(workspace_f, 0, sizeof(float), custream);
+            out_raw = workspace_f;
+        }
+
+        bce_logits_kernel<cuda_bfloat16, float><<<grid, block, 0, custream>>>(
+            out_raw,
+            logits_b,
+            target_b,
+            weight_b,
+            pos_weight_b,
+            logits_info,
+            target_info,
+            weight_info,
+            out_info,
+            n,
+            pos_weight_len,
+            _reduction);
+
+        if (_reduction != INFINIOP_REDUCTION_NONE) {
+            int is_mean = (_reduction == INFINIOP_REDUCTION_MEAN) ? 1 : 0;
+            bce_logits_reduce_finalize_kernel<cuda_bfloat16><<<1, 1, 0, custream>>>(
+                static_cast<cuda_bfloat16 *>(out), workspace_f, n, is_mean);
+        }
+
+        break;
+    }
+    default:
+        return INFINI_STATUS_BAD_TENSOR_DTYPE;
+    }
+
+    mcError_t err = mcGetLastError();
+    if (err != mcSuccess) {
+        return INFINI_STATUS_INTERNAL_ERROR;
+    }
+    return INFINI_STATUS_SUCCESS;
+}
+
+} // namespace op::bce_with_logits::metax

src/infiniop/ops/binary_cross_entropy_with_logits/moore/binary_cross_entropy_with_logits_moore.h

+#ifndef __BINARY_CROSS_ENTROPY_WITH_LOGITS_MOORE_H__
+#define __BINARY_CROSS_ENTROPY_WITH_LOGITS_MOORE_H__
+
+#include "../binary_cross_entropy_with_logits.h"
+
+/**
+ * 使用 bce_with_logits.h 中定义的 DESCRIPTOR 宏。
+ * 这将在命名空间 op::bce_with_logits::moore 中生成针对 Moore 设备的 Descriptor 类。
+ * * 在 Moore 端的实现（.mu 文件）中，Opaque 结构体通常包含：
+ * - musaHandle_t: 如果使用 MUSA 库的算子实现。
+ * - KernelConfig: 用于 MUSA Kernel 的网格（Grid）和线程块（Block）配置。
+ * - dataType: 对应的 MUSA 数据类型（如 MUSA_R_32F）。
+ */
+DESCRIPTOR(moore)
+
+#endif // __BINARY_CROSS_ENTROPY_WITH_LOGITS_MOORE_H__

src/infiniop/ops/binary_cross_entropy_with_logits/nvidia/binary_cross_entropy_with_logits_nvidia.cuh

+#ifndef __BINARY_CROSS_ENTROPY_WITH_LOGITS_NVIDIA_CUH__
+#define __BINARY_CROSS_ENTROPY_WITH_LOGITS_NVIDIA_CUH__
+
+#include "../binary_cross_entropy_with_logits.h"
+
+/**
+ * 使用 bce_with_logits.h 中定义的 DESCRIPTOR 宏。
+ * 这将在命名空间 op::bce_with_logits::nvidia 中生成针对 NVIDIA 设备的 Descriptor 类。
+ * * * 在 NVIDIA 端的实现（.cu 文件）中，Opaque 结构体通常包含：
+ * - cudnnHandle_t: 如果使用 cuDNN 的算子实现。
+ * - cudnnTensorDescriptor_t: 用于描述各输入输出张量的 cuDNN 格式。
+ * - KernelConfig: 用于自定义 CUDA Kernel 的网格（Grid）和线程块（Block）配置。
+ * - dataType: 对应的 CUDA 数据类型（如 CUDA_R_32F）。
+ */
+DESCRIPTOR(nvidia)
+
+#endif // __BINARY_CROSS_ENTROPY_WITH_LOGITS_NVIDIA_CUH__

src/infiniop/ops/binary_cross_entropy_with_logits/operator.cc

+#include "../../operator.h"
+#include "../../handle.h"
+#include "infiniop/ops/binary_cross_entropy_with_logits.h"
+
+// 引入各硬件后端的 Descriptor 定义
+#ifdef ENABLE_CPU_API
+#include "cpu/binary_cross_entropy_with_logits_cpu.h"
+#endif
+#if defined(ENABLE_NVIDIA_API) || defined(ENABLE_ILUVATAR_API) || defined(ENABLE_QY_API) || defined(ENABLE_HYGON_API)
+#include "nvidia/binary_cross_entropy_with_logits_nvidia.cuh"
+#endif
+#ifdef ENABLE_CAMBRICON_API
+#include "bang/binary_cross_entropy_with_logits_bang.h"
+#endif
+#ifdef ENABLE_ASCEND_API
+#include "ascend/binary_cross_entropy_with_logits_ascend.h"
+#endif
+#ifdef ENABLE_METAX_API
+#include "metax/binary_cross_entropy_with_logits_metax.h"
+#endif
+#ifdef ENABLE_MOORE_API
+#include "moore/binary_cross_entropy_with_logits_moore.h"
+#endif
+#ifdef ENABLE_KUNLUN_API
+#include "kunlun/binary_cross_entropy_with_logits_kunlun.h"
+#endif
+
+// -----------------------------------------------------------------------------
+// 1. 创建描述符
+// -----------------------------------------------------------------------------
+__INFINI_C infiniStatus_t infiniopCreateBCEWithLogitsDescriptor(
+    infiniopHandle_t handle,
+    infiniopBCEWithLogitsDescriptor_t *desc_ptr,
+    infiniopTensorDescriptor_t out_desc,
+    infiniopTensorDescriptor_t logits_desc,
+    infiniopTensorDescriptor_t target_desc,
+    infiniopTensorDescriptor_t weight_desc,
+    infiniopTensorDescriptor_t pos_weight_desc,
+    infiniopReduction_t reduction) {
+
+#define CREATE(CASE, NAMESPACE)                                                                                                              \
+    case CASE:                                                                                                                               \
+        return op::bce_with_logits::NAMESPACE::Descriptor::create(handle,                                                                    \
+                                                                  reinterpret_cast<op::bce_with_logits::NAMESPACE::Descriptor **>(desc_ptr), \
+                                                                  out_desc, logits_desc, target_desc, weight_desc, pos_weight_desc, reduction)
+
+    switch (handle->device) {
+#ifdef ENABLE_CPU_API
+        CREATE(INFINI_DEVICE_CPU, cpu);
+#endif
+#ifdef ENABLE_NVIDIA_API
+        CREATE(INFINI_DEVICE_NVIDIA, nvidia);
+#endif
+#ifdef ENABLE_ILUVATAR_API
+        CREATE(INFINI_DEVICE_ILUVATAR, nvidia);
+#endif
+#ifdef ENABLE_QY_API
+        CREATE(INFINI_DEVICE_QY, nvidia);
+#endif
+#ifdef ENABLE_HYGON_API
+        CREATE(INFINI_DEVICE_HYGON, nvidia);
+#endif
+#ifdef ENABLE_CAMBRICON_API
+        CREATE(INFINI_DEVICE_CAMBRICON, bang);
+#endif
+#ifdef ENABLE_ASCEND_API
+        CREATE(INFINI_DEVICE_ASCEND, ascend);
+#endif
+#ifdef ENABLE_METAX_API
+        CREATE(INFINI_DEVICE_METAX, metax);
+#endif
+#ifdef ENABLE_MOORE_API
+        CREATE(INFINI_DEVICE_MOORE, moore);
+#endif
+#ifdef ENABLE_KUNLUN_API
+        CREATE(INFINI_DEVICE_KUNLUN, kunlun);
+#endif
+    default:
+        return INFINI_STATUS_DEVICE_TYPE_NOT_SUPPORTED;
+    }
+#undef CREATE
+}
+
+// -----------------------------------------------------------------------------
+// 2. 获取 Workspace 大小
+// -----------------------------------------------------------------------------
+__INFINI_C infiniStatus_t infiniopGetBCEWithLogitsWorkspaceSize(
+    infiniopBCEWithLogitsDescriptor_t desc,
+    size_t *size) {
+
+#define GET(CASE, NAMESPACE)                                                                                 \
+    case CASE:                                                                                               \
+        *size = reinterpret_cast<const op::bce_with_logits::NAMESPACE::Descriptor *>(desc)->workspaceSize(); \
+        return INFINI_STATUS_SUCCESS
+
+    switch (desc->device_type) {
+#ifdef ENABLE_CPU_API
+        GET(INFINI_DEVICE_CPU, cpu);
+#endif
+#ifdef ENABLE_NVIDIA_API
+        GET(INFINI_DEVICE_NVIDIA, nvidia);
+#endif
+#ifdef ENABLE_ILUVATAR_API
+        GET(INFINI_DEVICE_ILUVATAR, nvidia);
+#endif
+#ifdef ENABLE_QY_API
+        GET(INFINI_DEVICE_QY, nvidia);
+#endif
+#ifdef ENABLE_HYGON_API
+        GET(INFINI_DEVICE_HYGON, nvidia);
+#endif
+#ifdef ENABLE_CAMBRICON_API
+        GET(INFINI_DEVICE_CAMBRICON, bang);
+#endif
+#ifdef ENABLE_ASCEND_API
+        GET(INFINI_DEVICE_ASCEND, ascend);
+#endif
+#ifdef ENABLE_METAX_API
+        GET(INFINI_DEVICE_METAX, metax);
+#endif
+#ifdef ENABLE_MOORE_API
+        GET(INFINI_DEVICE_MOORE, moore);
+#endif
+#ifdef ENABLE_KUNLUN_API
+        GET(INFINI_DEVICE_KUNLUN, kunlun);
+#endif
+    default:
+        return INFINI_STATUS_DEVICE_TYPE_NOT_SUPPORTED;
+    }
+#undef GET
+}
+
+// -----------------------------------------------------------------------------
+// 3. 执行计算
+// -----------------------------------------------------------------------------
+__INFINI_C infiniStatus_t infiniopBCEWithLogits(
+    infiniopBCEWithLogitsDescriptor_t desc,
+    void *workspace, size_t workspace_size,
+    void *out,
+    const void *logits,
+    const void *target,
+    const void *weight,
+    const void *pos_weight,
+    void *stream) {
+
+#define CALCULATE(CASE, NAMESPACE)                                                        \
+    case CASE:                                                                            \
+        return reinterpret_cast<const op::bce_with_logits::NAMESPACE::Descriptor *>(desc) \
+            ->calculate(workspace, workspace_size, out, logits, target, weight, pos_weight, stream)
+
+    switch (desc->device_type) {
+#ifdef ENABLE_CPU_API
+        CALCULATE(INFINI_DEVICE_CPU, cpu);
+#endif
+#ifdef ENABLE_NVIDIA_API
+        CALCULATE(INFINI_DEVICE_NVIDIA, nvidia);
+#endif
+#ifdef ENABLE_ILUVATAR_API
+        CALCULATE(INFINI_DEVICE_ILUVATAR, nvidia);
+#endif
+#ifdef ENABLE_QY_API
+        CALCULATE(INFINI_DEVICE_QY, nvidia);
+#endif
+#ifdef ENABLE_HYGON_API
+        CALCULATE(INFINI_DEVICE_HYGON, nvidia);
+#endif
+#ifdef ENABLE_CAMBRICON_API
+        CALCULATE(INFINI_DEVICE_CAMBRICON, bang);
+#endif
+#ifdef ENABLE_ASCEND_API
+        CALCULATE(INFINI_DEVICE_ASCEND, ascend);
+#endif
+#ifdef ENABLE_METAX_API
+        CALCULATE(INFINI_DEVICE_METAX, metax);
+#endif
+#ifdef ENABLE_MOORE_API
+        CALCULATE(INFINI_DEVICE_MOORE, moore);
+#endif
+#ifdef ENABLE_KUNLUN_API
+        CALCULATE(INFINI_DEVICE_KUNLUN, kunlun);
+#endif
+    default:
+        return INFINI_STATUS_DEVICE_TYPE_NOT_SUPPORTED;
+    }
+#undef CALCULATE
+}
+
+// -----------------------------------------------------------------------------
+// 4. 销毁描述符
+// -----------------------------------------------------------------------------
+__INFINI_C infiniStatus_t infiniopDestroyBCEWithLogitsDescriptor(infiniopBCEWithLogitsDescriptor_t desc) {
+
+#define DELETE(CASE, NAMESPACE)                                                            \
+    case CASE:                                                                             \
+        delete reinterpret_cast<const op::bce_with_logits::NAMESPACE::Descriptor *>(desc); \
+        return INFINI_STATUS_SUCCESS;
+
+    switch (desc->device_type) {
+#ifdef ENABLE_CPU_API
+        DELETE(INFINI_DEVICE_CPU, cpu);
+#endif
+#ifdef ENABLE_NVIDIA_API
+        DELETE(INFINI_DEVICE_NVIDIA, nvidia);
+#endif
+#ifdef ENABLE_ILUVATAR_API
+        DELETE(INFINI_DEVICE_ILUVATAR, nvidia);
+#endif
+#ifdef ENABLE_QY_API
+        DELETE(INFINI_DEVICE_QY, nvidia);
+#endif
+#ifdef ENABLE_HYGON_API
+        DELETE(INFINI_DEVICE_HYGON, nvidia);
+#endif
+#ifdef ENABLE_CAMBRICON_API
+        DELETE(INFINI_DEVICE_CAMBRICON, bang);
+#endif
+#ifdef ENABLE_ASCEND_API
+        DELETE(INFINI_DEVICE_ASCEND, ascend);
+#endif
+#ifdef ENABLE_METAX_API
+        DELETE(INFINI_DEVICE_METAX, metax);
+#endif
+#ifdef ENABLE_MOORE_API
+        DELETE(INFINI_DEVICE_MOORE, moore);
+#endif
+#ifdef ENABLE_KUNLUN_API
+        DELETE(INFINI_DEVICE_KUNLUN, kunlun);
+#endif
+    default:
+        return INFINI_STATUS_DEVICE_TYPE_NOT_SUPPORTED;
+    }
+#undef DELETE
+}