Implement sequence packing with a block-diagonal attention mask so packed samples can't at

Hard

SFT, Instruction Tuning & PEFT3 / 6

Chapter 113 / 6

SFT, Instruction Tuning & PEFT

Implement sequence packing with a block-diagonal attention mask so packed samples can't at

Hard

Implement sequence packing with a block-diagonal attention mask so packed samples can't attend across boundaries.

Target interface

pack(samples, max_len, pad_id=0)

Implement the function/class skeleton in the editor. Any correct approach is accepted.

Hints0 / 2

Reference solution

Your own code stays in the editor.

solution.pyPython

Local draft

import torch

def pack(samples, max_len, pad_id=0):
    raise NotImplementedError

def block_diagonal_mask(seg_ids):
    raise NotImplementedError

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Chapter 113 / 6

SFT, Instruction Tuning & PEFT

Implement sequence packing with a block-diagonal attention mask so packed samples can't at

Hard

Implement sequence packing with a block-diagonal attention mask so packed samples can't attend across boundaries.

Target interface

pack(samples, max_len, pad_id=0)

Implement the function/class skeleton in the editor. Any correct approach is accepted.

Hints0 / 2

Reference solution

Your own code stays in the editor.