7e52351ae56a5068131d873252ad4f95d134c33d,python/ray/util/collective/collective_group/nccl_collective_group.py,NCCLGroup,broadcast,#NCCLGroup#Any#Any#,212

Before Change


        comm = self._get_nccl_collective_communicator()
        stream = self._get_cuda_stream()

        dtype = nccl_util.get_nccl_tensor_dtype(tensor)
        ptr = nccl_util.get_tensor_ptr(tensor)
        n_elems = nccl_util.get_tensor_n_elements(tensor)
        // in-place broadcast
        comm.broadcast(ptr, ptr, n_elems, dtype, broadcast_options.root_rank,
                       stream.ptr)

After Change


                nccl_util.get_nccl_tensor_dtype(input_tensor),
                broadcast_options.root_rank, stream.ptr)

        self._collective(tensor, tensor, collective_fn)

    def allgather(self,
                  tensor_list,
                  tensor,
Italian Trulli
In pattern: SUPERPATTERN

Frequency: 4

Non-data size: 8

Instances


Project Name: ray-project/ray
Commit Name: 7e52351ae56a5068131d873252ad4f95d134c33d
Time: 2021-01-05
Author: zhisbug@users.noreply.github.com
File Name: python/ray/util/collective/collective_group/nccl_collective_group.py
Class Name: NCCLGroup
Method Name: broadcast


Project Name: ray-project/ray
Commit Name: 7e52351ae56a5068131d873252ad4f95d134c33d
Time: 2021-01-05
Author: zhisbug@users.noreply.github.com
File Name: python/ray/util/collective/collective_group/nccl_collective_group.py
Class Name: NCCLGroup
Method Name: reduce


Project Name: ray-project/ray
Commit Name: 7e52351ae56a5068131d873252ad4f95d134c33d
Time: 2021-01-05
Author: zhisbug@users.noreply.github.com
File Name: python/ray/util/collective/collective_group/nccl_collective_group.py
Class Name: NCCLGroup
Method Name: allgather


Project Name: ray-project/ray
Commit Name: 7e52351ae56a5068131d873252ad4f95d134c33d
Time: 2021-01-05
Author: zhisbug@users.noreply.github.com
File Name: python/ray/util/collective/collective_group/nccl_collective_group.py
Class Name: NCCLGroup
Method Name: allreduce