criterion-polyglot 0.1.0

An extension trait for criterion providing benchmark methods for various non-Rust programming languages
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34

use std::{ffi::OsStr, process::Command};

use tempfile::TempPath;

use crate::{
    helper::{make_empty_tempfile, get_criterion_env_var, make_spec_tempfile},
    runner::{run_command, CommunicatingBenchmark}, BenchSpec,
};

const HARNESS: &str = include_str!("harness.go.in");
const SOURCE_EXTENSION: &str = ".go";

pub fn compile(spec: BenchSpec) -> TempPath {
    let temp_go_code = make_spec_tempfile(self::SOURCE_EXTENSION, HARNESS, &spec);

    let temp_executable = make_empty_tempfile(super::BIN_EXTENSION);

    let go_path = get_criterion_env_var("GO", "go");
    let mut compiler_command = Command::new(go_path);
    compiler_command
        .args(["build", "-o"])
        .arg(&temp_executable)
        .arg(&temp_go_code);

    run_command("compiling Go", &mut compiler_command, Some(temp_go_code));

    temp_executable
}

pub fn spawn(executable: impl AsRef<OsStr>) -> CommunicatingBenchmark {
    let command = Command::new(executable.as_ref());

    CommunicatingBenchmark::start("running Go", command, None)
}