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|
use std::env;
use std::fs;
use std::path::Path;
use super::path::{Dirs, RelPath};
use super::prepare::GitRepo;
use super::rustc_info::get_file_name;
use super::utils::{hyperfine_command, spawn_and_wait, CargoProject, Compiler};
static SIMPLE_RAYTRACER_REPO: GitRepo = GitRepo::github(
"ebobby",
"simple-raytracer",
"804a7a21b9e673a482797aa289a18ed480e4d813",
"<none>",
);
// Use a separate target dir for the initial LLVM build to reduce unnecessary recompiles
static SIMPLE_RAYTRACER_LLVM: CargoProject =
CargoProject::new(&SIMPLE_RAYTRACER_REPO.source_dir(), "simple_raytracer_llvm");
static SIMPLE_RAYTRACER: CargoProject =
CargoProject::new(&SIMPLE_RAYTRACER_REPO.source_dir(), "simple_raytracer");
pub(crate) fn benchmark(dirs: &Dirs, bootstrap_host_compiler: &Compiler) {
benchmark_simple_raytracer(dirs, bootstrap_host_compiler);
}
fn benchmark_simple_raytracer(dirs: &Dirs, bootstrap_host_compiler: &Compiler) {
if std::process::Command::new("hyperfine").output().is_err() {
eprintln!("Hyperfine not installed");
eprintln!("Hint: Try `cargo install hyperfine` to install hyperfine");
std::process::exit(1);
}
if !SIMPLE_RAYTRACER_REPO.source_dir().to_path(dirs).exists() {
SIMPLE_RAYTRACER_REPO.fetch(dirs);
spawn_and_wait(SIMPLE_RAYTRACER.fetch(
&bootstrap_host_compiler.cargo,
&bootstrap_host_compiler.rustc,
dirs,
));
}
eprintln!("[LLVM BUILD] simple-raytracer");
let build_cmd = SIMPLE_RAYTRACER_LLVM.build(bootstrap_host_compiler, dirs);
spawn_and_wait(build_cmd);
fs::copy(
SIMPLE_RAYTRACER_LLVM
.target_dir(dirs)
.join(&bootstrap_host_compiler.triple)
.join("debug")
.join(get_file_name("main", "bin")),
RelPath::BUILD.to_path(dirs).join(get_file_name("raytracer_cg_llvm", "bin")),
)
.unwrap();
let bench_runs = env::var("BENCH_RUNS").unwrap_or_else(|_| "10".to_string()).parse().unwrap();
eprintln!("[BENCH COMPILE] ebobby/simple-raytracer");
let cargo_clif =
RelPath::DIST.to_path(dirs).join(get_file_name("cargo_clif", "bin").replace('_', "-"));
let manifest_path = SIMPLE_RAYTRACER.manifest_path(dirs);
let target_dir = SIMPLE_RAYTRACER.target_dir(dirs);
let clean_cmd = format!(
"RUSTC=rustc cargo clean --manifest-path {manifest_path} --target-dir {target_dir}",
manifest_path = manifest_path.display(),
target_dir = target_dir.display(),
);
let llvm_build_cmd = format!(
"RUSTC=rustc cargo build --manifest-path {manifest_path} --target-dir {target_dir}",
manifest_path = manifest_path.display(),
target_dir = target_dir.display(),
);
let clif_build_cmd = format!(
"RUSTC=rustc {cargo_clif} build --manifest-path {manifest_path} --target-dir {target_dir}",
cargo_clif = cargo_clif.display(),
manifest_path = manifest_path.display(),
target_dir = target_dir.display(),
);
let bench_compile =
hyperfine_command(1, bench_runs, Some(&clean_cmd), &llvm_build_cmd, &clif_build_cmd);
spawn_and_wait(bench_compile);
eprintln!("[BENCH RUN] ebobby/simple-raytracer");
fs::copy(
target_dir.join("debug").join(get_file_name("main", "bin")),
RelPath::BUILD.to_path(dirs).join(get_file_name("raytracer_cg_clif", "bin")),
)
.unwrap();
let mut bench_run = hyperfine_command(
0,
bench_runs,
None,
Path::new(".").join(get_file_name("raytracer_cg_llvm", "bin")).to_str().unwrap(),
Path::new(".").join(get_file_name("raytracer_cg_clif", "bin")).to_str().unwrap(),
);
bench_run.current_dir(RelPath::BUILD.to_path(dirs));
spawn_and_wait(bench_run);
}
|
