as titled, previously the shard_dim_alltoall uses `all_to_all`, which essentially could incur lots of copies if the tensor become non-contiguous during splits, and alltoall itself also incur copies This PR uses alltoall_single instead, so that we could minimize tensor copies. tested on all ...
基础:torchrec.distributed.embedding_sharding.BaseSparseFeaturesDist[torchrec.distributed.embedding_types.SparseFeatures] 以TWRW 方式对稀疏特征进行分桶,然后使用 AlltoAll 集体操作重新分配。 构造函数参数: pg (dist.ProcessGroup): ProcessGroup 用于AlltoAll 通信。 intra_pg (dist.ProcessGroup): Proce...
"torch_ccl::cpu_work::alltoall_base"); "oneccl_bindings_for_pytorch::cpu_work::alltoall_base"); } else{ @@ -615,7 +615,7 @@ c10::intrusive_ptr<ProcessGroupCCL::AsyncWorkCCL> VanillaCPU::alltoall_base_(at: return ret_evt; }, c10d::OpType::ALLTOALL_BASE, "torch_ccl::cpu_work...
all_to_all_single(output, input, group=group) return output @staticmethod def backward(ctx: Any, *grad_output: Tensor) -> Tuple[None, Tensor]: return (None, _AllToAll.apply(ctx.group, *grad_output)) class MOELayer(Base): # ... def forward(self, *input: Tensor, **kwargs: Any) -...
torch_npu 在虚拟化的 901B 设备上初始化报错,在正常的 910B 设备上初始化没有出现问题。该虚拟化设备可以正常运行ACLHelloWorld 示例代码。 虚拟化的参考文档:虚拟化实例 运行代码: # mini-demo.pyimporttorchimporttorch_npu print(torch.npu.is_available()) ...
• 修复alltoall算子临时tensor未释放内存上涨问题 六. 特殊声明 • 虚拟内存与单进程多卡需要在Ascend HDK 24.1.RC3以上的版本才能直接使用,其他版本不能共同使用 • 本版本修复CVE-2025-32434漏洞 七.版本配套关系 MindSpeed-Core branch: 2.0.0_core_r0.8.0 MindSpeed-MM branch: 2.0.0 MindSpedd-LLM bra...
Stack from ghstack (oldest at bottom): [dtensor][experiment] experimenting with displaying model parameters #127630 [dtensor][debug] added c10d alltoall_ and alltoall_base_ to CommDebugMode #12736...
Updated alltoall signature to be consistent with other c10d APIs (#90569) The keyword argument names have been changed. 1.132.0 alltoall(output=..., input=...) alltoall(output_tensors=..., input_tensors=...) Remove unused functions in torch.ao.quantization.fx.utils (#90025) This comm...
"AllToAllOptions", "AllreduceCoalescedOptions", "AllreduceOptions", "BarrierOptions", "BroadcastOptions", "BuiltinCommHookType", "Callable", "DebugLevel", "Dict", "Enum", "FileStore", "GatherOptions", "GradBucket", "HashStore", "Logger", "namedtuple", ...
"AllToAllOptions", "AllreduceCoalescedOptions", "AllreduceOptions", "BarrierOptions", "BroadcastOptions", "BuiltinCommHookType", "Callable", "DebugLevel", "Dict", "Enum", "FileStore", "GatherOptions", "GradBucket", "HashStore", "Logger", "namedtuple",...