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issue/434 nccl support bf16 #435

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Merged
merged 1 commit into from
Sep 9, 2025
Merged

issue/434 nccl support bf16 #435

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6 changes: 3 additions & 3 deletions src/infiniccl/cuda/infiniccl_cuda.cu
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,8 @@ inline ncclDataType_t getNcclDtype(infiniDtype_t datatype) {
return ncclFloat;
case INFINI_DTYPE_F16:
return ncclHalf;
case INFINI_DTYPE_BF16:
return ncclBfloat16;
default:
std::abort();
return ncclHalf;
Expand Down Expand Up @@ -82,9 +84,7 @@ infiniStatus_t allReduce(
infinicclComm_t comm,
infinirtStream_t stream) {

if (datatype != INFINI_DTYPE_F32 && datatype != INFINI_DTYPE_F16) {
return INFINI_STATUS_BAD_PARAM;
}
CHECK_DTYPE(datatype, INFINI_DTYPE_F32, INFINI_DTYPE_F16, INFINI_DTYPE_BF16);

CHECK_NCCL(ncclAllReduce(sendbuf, recvbuf, count, getNcclDtype(datatype),
getNcclRedOp(op), getNcclComm(comm), getCudaStream(stream)));
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