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This benchmark seems irrelevant (devclass.com)

submitted 10 months ago by RealBot@lemmy.world to c/programming@programming.dev

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The benchmark with 1B rows in this blogpost seems irrelevant for comparing performance of different programming languages.

It seems like the execution time of a program would be dominated by loading data from the file. And a lot of people posted solution with specs of cpu but not specs of disk (hdd, ssd, raid) although that seems more relevant.

Why would they compare languages and solutions in this way?

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[–] killeronthecorner@lemmy.world 8 points 10 months ago (1 children)

To answer your question about environmental factors - from the repo:

Results are determined by running the program on a Hetzner Cloud CCX33 instance (8 dedicated vCPU, 32 GB RAM). The time program is used for measuring execution times, i.e. end-to-end times are measured.

[–] AlphaAutist@lemmy.world 2 points 10 months ago (1 children)

That seems to only be for the Java code

How fast though is Java versus other languages? A show and tell page has submissions in Rust, C#, Go, Python, PostgreSQL, Python, C, C++, and more. These are hard to compare with one another since they have been run on different hardware, but there are some impressive results, including one under 5 seconds done with C on an AMD laptop, and a C# solution that runs in 5.3 seconds on a Core i5-12500 with 6 cores.

[–] killeronthecorner@lemmy.world 1 points 10 months ago

The show and tell page is exactly that, show and tell; not a scientific or balanced comparison.

The original challenge only compared JDK solution in this way. Further down there is a link to another repo that does that same across many languages, and uses the same M1 MacBook Pro to run the tests.