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hashx_cachegrind: Introduce u32be helper function 

This is going to be more obviously useful in a moment.
This commit is contained in:
Ian Jackson 2023-08-21 17:24:49 +01:00
parent 7e1d0b7f45
commit 71124ef351
1 changed files with 11 additions and 4 deletions
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15
crates/hashx/bench/benches/hashx_cachegrind.rs
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@ -26,31 +26,38 @@ macro_rules! mk_c_equix { { $hashx_type:ident } => { {
tor_c_equix::HashX::new(tor_c_equix::HashXType::$hashx_type)
} } }
/// Helper, alias for `u32::to_be_bytes`
//
// Unfortunately, we can't just `use u32::to_be_bytes`.
fn u32be(s: u32) -> [u8; 4] {
s.to_be_bytes()
}
fn generate_interp_1000x() {
let builder = mk_rust!(InterpretOnly);
for s in 0_u32..1000_u32 {
let _ = black_box(builder.build(black_box(&s.to_be_bytes())));
let _ = black_box(builder.build(black_box(&u32be(s))));
}
}
fn generate_interp_1000x_c() {
let mut ctx = mk_c_equix!(HASHX_TYPE_INTERPRETED);
for s in 0_u32..1000_u32 {
let _ = black_box(ctx.make(black_box(&s.to_be_bytes())));
let _ = black_box(ctx.make(black_box(&u32be(s))));
}
}
fn generate_compiled_1000x() {
let builder = mk_rust!(CompileOnly);
for s in 0_u32..1000_u32 {
let _ = black_box(builder.build(black_box(&s.to_be_bytes())));
let _ = black_box(builder.build(black_box(&u32be(s))));
}
}
fn generate_compiled_1000x_c() {
let mut ctx = mk_c_equix!(HASHX_TYPE_COMPILED);
for s in 0_u32..1000_u32 {
let _ = black_box(ctx.make(black_box(&s.to_be_bytes())));
let _ = black_box(ctx.make(black_box(&u32be(s))));
}
}