111 lines
2.3 KiB
Rust
111 lines
2.3 KiB
Rust
use std::fmt::{self, Write as FmtWrite};
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use std::io::{self, Write as IoWrite};
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use test::Bencher;
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#[bench]
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fn write_vec_value(bh: &mut Bencher) {
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bh.iter(|| {
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let mut mem = Vec::new();
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for _ in 0..1000 {
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mem.write_all("abc".as_bytes()).unwrap();
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}
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});
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}
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#[bench]
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fn write_vec_ref(bh: &mut Bencher) {
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bh.iter(|| {
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let mut mem = Vec::new();
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let wr = &mut mem as &mut dyn io::Write;
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for _ in 0..1000 {
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wr.write_all("abc".as_bytes()).unwrap();
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}
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});
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}
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#[bench]
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fn write_vec_macro1(bh: &mut Bencher) {
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bh.iter(|| {
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let mut mem = Vec::new();
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let wr = &mut mem as &mut dyn io::Write;
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for _ in 0..1000 {
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write!(wr, "abc").unwrap();
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}
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});
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}
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#[bench]
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fn write_vec_macro2(bh: &mut Bencher) {
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bh.iter(|| {
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let mut mem = Vec::new();
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let wr = &mut mem as &mut dyn io::Write;
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for _ in 0..1000 {
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write!(wr, "{}", "abc").unwrap();
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}
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});
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}
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#[bench]
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fn write_vec_macro_debug(bh: &mut Bencher) {
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bh.iter(|| {
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let mut mem = Vec::new();
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let wr = &mut mem as &mut dyn io::Write;
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for _ in 0..1000 {
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write!(wr, "{:?}", "☃").unwrap();
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}
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});
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}
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#[bench]
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fn write_str_value(bh: &mut Bencher) {
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bh.iter(|| {
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let mut mem = String::new();
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for _ in 0..1000 {
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mem.write_str("abc").unwrap();
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}
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});
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}
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#[bench]
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fn write_str_ref(bh: &mut Bencher) {
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bh.iter(|| {
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let mut mem = String::new();
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let wr = &mut mem as &mut dyn fmt::Write;
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for _ in 0..1000 {
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wr.write_str("abc").unwrap();
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}
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});
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}
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#[bench]
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fn write_str_macro1(bh: &mut Bencher) {
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bh.iter(|| {
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let mut mem = String::new();
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for _ in 0..1000 {
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write!(mem, "abc").unwrap();
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}
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});
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}
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#[bench]
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fn write_str_macro2(bh: &mut Bencher) {
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bh.iter(|| {
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let mut mem = String::new();
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let wr = &mut mem as &mut dyn fmt::Write;
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for _ in 0..1000 {
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write!(wr, "{}", "abc").unwrap();
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}
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});
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}
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#[bench]
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fn write_str_macro_debug(bh: &mut Bencher) {
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bh.iter(|| {
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let mut mem = String::new();
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let wr = &mut mem as &mut dyn fmt::Write;
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for _ in 0..1000 {
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write!(wr, "{:?}", "☃").unwrap();
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}
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});
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}
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