willychan21/ParallelKernelBench_Problems
ParallelKernelBench (benchmark) Reference problems for ParallelKernelBench: a benchmark for LLM-generated multi-GPU CUDA kernels. This dataset contains 87 reference implementations in reference/ and the input tensor specification in utils/input_output_tensors.py. Files Path Description data/problems.parquet One row per problem (tabular access) reference/*.py Reference solution() implementations utils/input_output_tensors.py Input/output tensor… See the full description on the dataset page: https://huggingface.co/datasets/willychan21/ParallelKernelBench_Problems.
0266
1import torch2import torch.distributed as dist3 4 5@torch.no_grad()6def solution(tensor: torch.Tensor, dst: int = 0) -> torch.Tensor:7 rank = dist.get_rank()8 9 if rank == dst:10 world_size = dist.get_world_size()11 gather_list = [torch.empty_like(tensor) for _ in range(world_size)]12 else:13 gather_list = None14 15 dist.gather(tensor, gather_list=gather_list, dst=dst)16 17 if rank == dst:18 return torch.stack(gather_list, dim=0)19 return tensor20 