cuda : fix version required for __nv_cvt_e8m0_to_bf16raw

slaren · slaren · commit d9d89b4216c4 · 2025-08-05T19:35:06.000+02:00
diff --git a/ggml/src/ggml-cuda/common.cuh b/ggml/src/ggml-cuda/common.cuh
@@ -551,7 +551,7 @@ static __device__ __forceinline__ int ggml_cuda_dp4a(const int a, const int b, i
 }
 
 static __device__ __forceinline__ float ggml_cuda_e8m0_to_fp32(uint8_t x) {
-#if CUDART_VERSION >= 12050
+#if CUDART_VERSION >= 12080
     const nv_bfloat16 e = __nv_cvt_e8m0_to_bf16raw(x);
     return (float) e;
 #else

Original file line number	Diff line number	Diff line change
`@@ -551,7 +551,7 @@ static __device__ __forceinline__ int ggml_cuda_dp4a(const int a, const int b, i`
`551`	`551`	`}`
`552`	`552`
`553`	`553`	`static __device__ __forceinline__ float ggml_cuda_e8m0_to_fp32(uint8_t x) {`
`554`		`-#if CUDART_VERSION >= 12050`
	`554`	`+#if CUDART_VERSION >= 12080`
`555`	`555`	`const nv_bfloat16 e = __nv_cvt_e8m0_to_bf16raw(x);`
`556`	`556`	`return (float) e;`
`557`	`557`	`#else`