12/27/2023 0 Comments Generic move ultra![]() This is the metric that displays the average speed of the function.Ĭpu : Intel (R ) Core (TM ) i7 -10750H CPU 2. The third output is the interesting one, it is the nanoseconds per operation (ns/op). The second value is the number of operations ran, in our case, we set that to a fixed number, so all of the rows should display the same. The benchmark will be outputted with the name of the function that was running, which we can use to identify the different ones. go test -v -bench =Benchmark -benchtime =1000000000x -count 5 Analyzing The Result During one of the benchmarks, maybe some other processor stole power from the computer. ![]() This is because if you run each benchmark once you might get an unfair result. Note that the -count 5 parameter is used to run each benchmark 5x times. To run the benchmark, use the following command. I want to also determine how much performance we lose if we let the generic function infer the data type to int. In the generic benchmark, I have added a third option, inferred data type. The benchmark will test the subtraction functions for both int and float32 in all use cases. In my article about Learning Generics, I explain the usage of generics, and the two major benefits were reducing duplicate functions based on data type and also avoiding the interface A test file for performing a Benchmark to determine the generic performance impact. The reasoning behind my thesis is that generics will allow us to skip type conversions, assertions, and reflecting during runtime, and instead rely on the compiler to fix this at compile time. Many readers have raised a concern that generics will decrease performance, my thesis is however that generics will improve performance. One of those discussions is a topic I want to write about, the Performance impact that we will see from the introduction to generics. I love the engagement and discussions it has brought forth. Many readers of that article have reached out to me on various social media platforms, and I want to say thank you to those readers. If you haven’t you should read it Go 1.18 Comes With Many Amazing Changes. Last week I wrote about the new features that we will see in Go 1.18. Gopher by Takuya Ueda, Original Go Gopher by Renée French (CC BY 3.0)
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