class_docstr: Global buffer to avoid dynamic memory allocations.
  Caller should ensure that buffers of the same name
  are not used concurrently.
class_docstr_tok: ["Global","buffer","to","avoid","dynamic","memory","allocations",".","Caller","should","ensure","that","buffers","of","the","same","name","are","not","used","concurrently","."]
code: def __init__(self):
      self.buffer = {}
  
imports: import math
  import operator
  from functools import reduce
  import torch
  from megatron.core import parallel_state
  from megatron.core.dist_checkpointing.mapping import ShardedTensor
label_desc: Use image node_id 1 to create a new GlobalMemoryBuffer object  with example: obj = GlobalMemoryBuffer()