Wie man Dateigröße mit Bencher verfolgt

Bencher supports the most popular benchmarking harnesses out-of-the-box. Sometimes though, you want to measure the size of your deliverables themselves, such as the binary size of your executable. Lucky for you, Bencher also supports tracking file size. The easiest way to track file size is to use the bencher run CLI subcommand with the --file-size option. The --file-size option expects a file path to the file who’s size will be measured. Under the hood, bencher run outputs the results as Bencher Metric Format (BMF) JSON. It is therefore good practice to explicitly use the json adapter.

If you had a script located at ./my_build_script.sh that built your binary at the path ./path/to/my_binary, then you could track the size of this binary file with bencher run and the json adapter. This would work both with a benchmark command and without one.

With a benchmark command:

Terminal window
bencher run --file-size ./path/to/my_binary --adapter json ./my_build_script.sh

Without a benchmark command:

Terminal window
./my_build_script.sh && bencher run --file-size ./path/to/my_binary --adapter json

In either case, the generated BMF JSON would look like this, if my_binary had a size of 42 bytes:

"my_binary": {
"file-size": {
"value": 42.0

In this example, the key my_binary is the binary file name. It is used as the name of the Benchmark. The my_binary object contains the file-size key. file-size is the slug for the built-in File Size Measure. The File Size Measure is not created by default for all Projects. However, when you use the File Size Measure, it will be automatically created for your Project. The File Size Measure object contains a Metric with the file size value in bytes, 42.0.

🐰 Glückwunsch! Du hast gelernt, wie du deine Dateigröße verfolgen kannst! 🎉

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Published: Mon, May 13, 2024 at 7:14:00 AM UTC