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Bugfix in communication trace parsing #104

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6 changes: 6 additions & 0 deletions train/comms/pt/commsTraceParser.py
Original file line number Diff line number Diff line change
Expand Up @@ -262,6 +262,12 @@ def _parseExecutionTrace(
) # wait/barrier ops do not have an input tensor (len=7), shift index one over
newComm = commsArgs()
newComm.id = node.id

if type(node.inputs[3]) == str:
shift = 1
else:
shift = 0

newComm.comms = comms_utils.paramToCommName(
node.inputs[4 - shift].lower()
) # 5th value of inputs is colName
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