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hashx_cachegrind: Introduce mk_rust helper macro 

The macro generates precisely the existing code.
This commit is contained in:
Ian Jackson 2023-08-21 16:52:02 +01:00
parent 696696857d
commit e7765ce969
1 changed files with 14 additions and 8 deletions
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22
crates/hashx/bench/benches/hashx_cachegrind.rs
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@ -11,9 +11,18 @@
use iai::black_box;
fn generate_interp_1000x() {
/// Return a Rust `HashBuilder` whose `RuntimeOption` is `$runtime_option`
//
// This and mk_c_equix are macros rather than a function because it avoids us
// having to import RuntimeOption::*, etc. or clutter the calls with a local alias.
macro_rules! mk_rust { { $runtime_option:ident } => { {
let mut builder = hashx::HashXBuilder::new();
builder.runtime(hashx::RuntimeOption::InterpretOnly);
builder.runtime(hashx::RuntimeOption::$runtime_option);
builder
} } }
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())));
}
@ -27,8 +36,7 @@ fn generate_interp_1000x_c() {
}
fn generate_compiled_1000x() {
let mut builder = hashx::HashXBuilder::new();
builder.runtime(hashx::RuntimeOption::CompileOnly);
let builder = mk_rust!(CompileOnly);
for s in 0_u32..1000_u32 {
let _ = black_box(builder.build(black_box(&s.to_be_bytes())));
}
@ -42,8 +50,7 @@ fn generate_compiled_1000x_c() {
}
fn interp_u64_hash_1000x() {
let mut builder = hashx::HashXBuilder::new();
builder.runtime(hashx::RuntimeOption::InterpretOnly);
let builder = mk_rust!(InterpretOnly);
let hashx = builder.build(b"abc").unwrap();
for i in 0_u64..1000_u64 {
let _ = black_box(hashx.hash_to_u64(black_box(i)));
@ -59,8 +66,7 @@ fn interp_8b_hash_1000x_c() {
}
fn compiled_u64_hash_100000x() {
let mut builder = hashx::HashXBuilder::new();
builder.runtime(hashx::RuntimeOption::CompileOnly);
let builder = mk_rust!(CompileOnly);
let hashx = builder.build(b"abc").unwrap();
for i in 0_u64..100000_u64 {
let _ = black_box(hashx.hash_to_u64(black_box(i)));