FA-99159 / Checkpoint tensor mapping / Member archive
Checkpoint mapping: arrival order changes reconstructed shard order · case 04
arrival order changes reconstructed shard order.
Case contract
Shards are [index, values]; concatenate values in ascending index order. Indices are unique.
Why this case matters
A bounded offline model of checkpoint tensor bookkeeping in a training workflow.
One recorded failure
Sample boundary fixtureThis sample comes from the broken implementation of a controlled reproducer.
| Boundary fixture | Actual | Expected | Outcome |
|---|---|---|---|
| reverse | [3, 0] | [0, 3] | Failed |
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