Merge pull request #313 from InfiniTensor/issue/312

issue/312: 沐曦BF16编译问题

src/infiniop/devices/maca/maca_kernel_common.h

@@ -60,4 +60,9 @@ __forceinline__ __device__ __half
 exp_(const __half x) {
     return hexp(x);
 }
+
+__forceinline__ __device__ __hpcc_bfloat16;
+exp_(const __hpcc_bfloat16; x) {
+    return hexp(x);
+}
 #endif

src/infiniop/ops/causal_softmax/maca/causal_softmax_maca.maca

@@ -38,6 +38,12 @@ infiniStatus_t launchKernel(void *y, const void *x, infiniDtype_t dtype,
                                               batch_size, seq_len, total_seq_len,
                                               y_stride_b, y_stride_i,
                                               x_stride_b, x_stride_i);
+    } else if (dtype == INFINI_DTYPE_BF16) {
+        causalSoftmax<BLOCK_SIZE, __hpcc_bfloat16, float>
+            <<<grid, BLOCK_SIZE, 0, stream>>>((__hpcc_bfloat16 *)y, (const __hpcc_bfloat16 *)x,
+                                              batch_size, seq_len, total_seq_len,
+                                              y_stride_b, y_stride_i,
+                                              x_stride_b, x_stride_i);
     } else if (dtype == INFINI_DTYPE_F32) {
         causalSoftmax<BLOCK_SIZE, float, float>
             <<<grid, BLOCK_SIZE, 0, stream>>>((float *)y, (const float *)x,

src/infiniop/ops/random_sample/maca/random_sample_kernel.h

@@ -107,6 +107,11 @@ struct CudaTval<fp16_t> {
     using Type = half;
 };
 
+template <>
+struct CudaTval<bf16_t> {
+    using Type = __hpcc_bfloat16;
+};
+
 // ↑↑↑ 通过特化将 fp16_t 转换为 half
 // ↓↓↓ 用于采样过程的小型 kernel
 

src/infiniop/ops/random_sample/maca/random_sample_maca.maca

@@ -38,6 +38,7 @@ infiniStatus_t Descriptor::create(
     case CASE:                                                \
         switch (info.dt_p) {                                  \
             CASE_P(INFINI_DTYPE_F16, Tidx, half);             \
+            CASE_P(INFINI_DTYPE_BF16, Tidx, __hpcc_bfloat16); \
             CASE_P(INFINI_DTYPE_F32, Tidx, float);            \
             CASE_P(INFINI_DTYPE_F64, Tidx, double);           \
         default:                                              \

src/infiniop/ops/rms_norm/maca/rms_norm_maca.maca

@@ -58,6 +58,10 @@ infiniStatus_t launchKernel(
 
     if (atype == INFINI_DTYPE_F16 && wtype == INFINI_DTYPE_F16) {
         LAUNCH_KERNEL(half, half, float);
+    } else if (atype == INFINI_DTYPE_BF16 && wtype == INFINI_DTYPE_BF16) {
+        LAUNCH_KERNEL(__hpcc_bfloat16, __hpcc_bfloat16, float);
+    } else if (atype == INFINI_DTYPE_BF16 && wtype == INFINI_DTYPE_F32) {
+        LAUNCH_KERNEL(__hpcc_bfloat16, float, float);
     } else if (atype == INFINI_DTYPE_F16 && wtype == INFINI_DTYPE_F32) {
         LAUNCH_KERNEL(half, float, float);
     } else if (atype == INFINI_DTYPE_F32 && wtype == INFINI_DTYPE_F32) {