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performance.md: recommend to build with the right profile (#7930)

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* performance.md: recommend to build with the right profile

* doc: also update the paths
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Sylvestre Ledru 2025-05-19 16:01:25 +02:00 • committed by GitHub
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8
docs/src/performance.md
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@ -23,7 +23,7 @@ This three-way comparison provides clear insights into:
First, you will need to build the binary in release mode. Debug builds are significantly slower:
```bash
cargo build --features unix --release
cargo build --features unix --profile profiling
```
```bash
@ -31,13 +31,13 @@ cargo build --features unix --release
hyperfine \
--warmup 3 \
"/usr/bin/ls -R ." \
"./target/release/coreutils.prev ls -R ." \
"./target/release/coreutils ls -R ."
"./target/profiling/coreutils.prev ls -R ." \
"./target/profiling/coreutils ls -R ."
# can be simplified with:
hyperfine \
--warmup 3 \
-L ls /usr/bin/ls,"./target/release/coreutils.prev ls","./target/release/coreutils ls" \
-L ls /usr/bin/ls,"./target/profiling/coreutils.prev ls","./target/profiling/coreutils ls" \
"{ls} -R ."
```