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@kaidokert kaidokert commented Jul 5, 2025

Summary by Sourcery

Fix the AVR demo bloat analysis script to use the correct feature flags when running cargo bloat

Bug Fixes:

  • Update bloat test configurations to include the 'int8' and 'pico-tiny,int8' feature sets
  • Add the --no-default-features flag before specifying features in the cargo bloat command

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sourcery-ai bot commented Jul 5, 2025

Reviewer's Guide

This PR updates the bloat analysis suite to pass the correct feature flags by extending the configuration tuples and modifying the command builder to disable default features when custom features are specified.

Flow diagram for updated bloat analysis command construction

flowchart TD
    A[Start bloat analysis] --> B[Iterate over bloat_configs]
    B --> C{extra_features present?}
    C -- No --> D[Build command without --no-default-features or --features]
    C -- Yes --> E[Add --no-default-features to command]
    E --> F[Add --features and join extra_features]
    F --> G[Build command with features]
    D --> H[Run cargo bloat command]
    G --> H
    H --> I[Collect results]
    I --> J[End]
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File-Level Changes

Change Details Files
Specify appropriate feature flags for each test suite in bloat_configs
  • Added "int8" flag to serde test config
  • Added "pico-tiny,int8" flags to picojson test config
avr_demo/run_suite.py
Disable default features when running cargo bloat with extra_features
  • Inserted "--no-default-features" before "--features" in command construction
avr_demo/run_suite.py

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  • avr_demo/run_suite.py (2 hunks)
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Summary of Changes

Hello @kaidokert, 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 refines the avr_demo bloat analysis suite to ensure that size measurements are performed with the correct and intended feature flags. The changes specifically configure the cargo bloat command to use designated features and disable default ones, leading to more accurate and representative bloat metrics for specific configurations.

Highlights

  • Bloat Test Configuration: I've updated the bloat_configs in avr_demo/run_suite.py to include specific features (int8 for serde and pico-tiny,int8 for picojson) when running bloat analysis. This ensures that the size measurements reflect the impact of these particular feature sets.
  • Cargo Bloat Command Flags: I've added the --no-default-features flag to the cargo bloat command when extra_features are specified. This is crucial for accurate bloat analysis, as it prevents default features from being compiled alongside the explicitly requested ones, providing a clearer picture of the size impact of the chosen features.
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Hey @kaidokert - I've reviewed your changes and they look great!

Prompt for AI Agents
Please address the comments from this code review:
## Individual Comments

### Comment 1
<location> `avr_demo/run_suite.py:103` </location>
<code_context>
     bloat_configs = [
-        ("serde", "test_serde", []),
-        ("picojson", "test_picojson", []),
+        ("serde", "test_serde", ["int8"]),
+        ("picojson", "test_picojson", ["pico-tiny,int8"]),
     ]

</code_context>

<issue_to_address>
Feature lists are inconsistent in format between configs.

'picojson' should use ["pico-tiny", "int8"] if both features are intended, to match the format used for 'serde' and avoid passing a single combined feature string.
</issue_to_address>

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Code Review

This pull request fixes the bloat analysis suite by ensuring the correct cargo flags are used. It adds the --no-default-features flag when custom features are specified, which prevents default features from being included and provides a more accurate size measurement for the selected configurations. It also defines the specific features to be tested for the serde and picojson bloat analysis configurations.

@kaidokert kaidokert merged commit 469e6c8 into main Jul 5, 2025
54 checks passed
@kaidokert kaidokert deleted the cm2 branch July 5, 2025 02:43
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