Factor out sharding of packed tensors #2059
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For Phi-3-Small I need to shard a packed QKV bias tensor, for which I implemented the `Weights.get_packed_sharded` method. However, this method can also replace the `Weights._get_qweight` method and the custom sharding code from `Weights.get_weights_col_packed`.
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What does this PR do?
For Phi-3-Small I need to shard a packed QKV bias tensor, for which I implemented the
Weights.get_packed_shardedmethod. However, this method can also replace theWeights._get_qweightmethod and the custom sharding code fromWeights.get_weights_col_packed.Fixes # (issue)
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