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Added --ft-num-warmup-iters option. #3052

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Merged
deepakn94 merged 1 commit into from
Jan 26, 2026
Merged

Added --ft-num-warmup-iters option. #3052

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5 changes: 5 additions & 0 deletions megatron/training/arguments.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2013,6 +2013,11 @@ def _add_ft_package_args(parser):
group.add_argument('--calc-ft-timeouts', action='store_true',
help='If set, FT package will try to automatically compute the timeouts. '
'Note: This feature is for Nvidia internal use only.')
group.add_argument('--ft-num-warmup-iters', type=int, default=5,
help='Number of warmup iterations before monitoring step section and '
'out-of-section timeouts. The first N iterations are excluded from '
'timeout monitoring as they can be significantly slower than steady-state. '
'Default: 5. Note: This feature is for Nvidia internal use only.')
return parser


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7 changes: 5 additions & 2 deletions megatron/training/ft_integration.py
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Original file line number Diff line number Diff line change
Expand Up @@ -60,7 +60,7 @@
_seen_tr_iters_cnt = 0
_curr_eval_iter_idx = 0

_NUM_WARMUP_ITERS = 1
_NUM_WARMUP_ITERS = 1 # Will be set by --ft-num-warmup-iters (default: 5)
_MIN_ITERS_FOR_STEP_TIMEOUT_UPDATE = 16


Expand Down Expand Up @@ -105,7 +105,10 @@ def setup() -> None:
global _is_calculating_timeouts
_is_calculating_timeouts = args.calc_ft_timeouts

cli.init_workload_monitoring()
global _NUM_WARMUP_ITERS
_NUM_WARMUP_ITERS = args.ft_num_warmup_iters

cli.init_workload_monitoring(num_warmup_iters=_NUM_WARMUP_ITERS)
_load_state_if_exists()
if os.environ.get("RANK") == "0":
print(f"FT: initialized. Timeouts={cli.section_timeouts}", flush=True)
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