fix metrics

[WANDY666]

No description provided.

[gemini-code-assist]

Summary of Changes

Hello @WANDY666, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request addresses a specific edge case in the metrics initialization logic. It ensures that the mtp_avg_token_per_step_buckets histogram is always provided with valid bucket definitions, even when the mtp_step argument is set to zero. This prevents errors or unexpected behavior in the metric system, contributing to more robust data collection.

Highlights

• Metrics Initialization Fix: Introduced a conditional check to ensure the mtp_avg_token_per_step_buckets histogram is properly initialized with default values when the args.mtp_step parameter is zero, preventing potential issues with metric collection.

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[gemini-code-assist]

Code Review

This pull request addresses a potential crash in metrics initialization. When args.mtp_step is 0, the code would previously generate an empty list for histogram buckets, leading to a ValueError. The added check correctly handles this edge case by providing a default bucket list. I have one suggestion to improve the code structure for better efficiency and clarity, although the current fix is functionally correct.

[gemini-code-assist]

This correctly handles the case where args.mtp_step is 0. However, the current implementation first computes a list on line 98 (which will be empty if args.mtp_step is 0) and then immediately overwrites it. For better efficiency and readability, it would be preferable to use an if/else block to avoid the unnecessary computation.

You could refactor lines 98-100 like this:

        if args.mtp_step == 0:
            mtp_avg_token_per_step_buckets = [1.0, 2.0]
        else:
            mtp_avg_token_per_step_buckets = [i / 10.0 + 1.0 for i in range(0, 10 * args.mtp_step)]

This makes the logic more direct and avoids the redundant operation.