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ai-glimpse / toyllm

Toy LLM
https://ai-glimpse.github.io/toyllm/
Apache License 2.0
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fix: zero temperature #48

Closed shenxiangzhuang closed 1 month ago

shenxiangzhuang commented 1 month ago

Summary by CodeRabbit

coderabbitai[bot] commented 1 month ago

[!CAUTION]

Review failed

The pull request is closed.

Walkthrough

The changes in this pull request involve modifications to three files within the toyllm/model directory. The import statement for StrEnum in config.py has been updated with a type ignore comment. In generate.py, the TextGenerator class has undergone adjustments, including a default temperature change in the generate method and the addition of an eps parameter in the _logits_temperature_scale method. Lastly, the main function in train.py has had its gpt_size parameter modified to accept a union type for increased flexibility.

Changes

File Path Change Summary
toyllm/model/config.py Updated import statement for StrEnum to include type ignore comment: from enum import StrEnum # type: ignore[attr-defined].
toyllm/model/generate.py Updated TextGenerator class: default temperature in generate method changed from 1.5 to 0; _logits_temperature_scale method now includes eps parameter.
toyllm/model/train.py Modified main function's gpt_size parameter type from GPTModelSize to str | GPTModelSize.

Sequence Diagram(s)

sequenceDiagram
    participant User
    participant TextGenerator
    participant LogitsScaler

    User->>TextGenerator: generate(prompt_text, max_gen_tokens, top_k, temperature)
    TextGenerator->>LogitsScaler: _logits_temperature_scale(logits, temperature, eps)
    LogitsScaler-->>TextGenerator: return scaled_logits
    TextGenerator-->>User: return generated_text

🐰 "In the code where changes abound,
A new default for temp was found.
With eps to scale the logits right,
Our generator hops with delight!
Flexibility in size we now embrace,
A more agile code, a joyful space!" 🐇

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codecov[bot] commented 1 month ago

Codecov Report

Attention: Patch coverage is 50.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 38.83%. Comparing base (31e2a48) to head (a847f2c). Report is 1 commits behind head on master.

Files with missing lines Patch % Lines
toyllm/model/generate.py 0.00% 1 Missing :warning:
Additional details and impacted files ```diff @@ Coverage Diff @@ ## master #48 +/- ## ======================================= Coverage 38.83% 38.83% ======================================= Files 9 9 Lines 394 394 ======================================= Hits 153 153 Misses 241 241 ```

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