Merge ce5b95c63a into 0178295363

Cargo.lock

@@ -380,12 +380,15 @@ dependencies = [
  "itertools 0.12.1",
  "lazy_static",
  "lazycell",
+ "log",
+ "prettyplease",
  "proc-macro2",
  "quote",
  "regex",
  "rustc-hash",
  "shlex",
  "syn 2.0.60",
+ "which 4.4.2",
 ]
 
 [[package]]
@@ -2008,6 +2011,41 @@ dependencies = [
  "want",
 ]
 
+[[package]]
+name = "iai-callgrind"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e99bf26f496b13ac6273014f40afda46a233fbfb0289ce50fb4daaad2f2ffc80"
+dependencies = [
+ "bincode",
+ "bindgen",
+ "cc",
+ "iai-callgrind-macros",
+ "iai-callgrind-runner",
+ "regex",
+]
+
+[[package]]
+name = "iai-callgrind-macros"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e2a4bb39225592c0a28cfca6f70af52ebd8da23f533c2cdd0a3329c1fa252d56"
+dependencies = [
+ "proc-macro-error",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.60",
+]
+
+[[package]]
+name = "iai-callgrind-runner"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c23a951b9eccaa1e38556d27473d1462a9c247a27961812edcaac156af861282"
+dependencies = [
+ "serde",
+]
+
 [[package]]
 name = "iana-time-zone"
 version = "0.1.60"
@@ -2874,6 +2912,7 @@ dependencies = [
  "crossterm",
  "ctrlc",
  "dirs-next",
+ "iai-callgrind",
  "log",
  "miette",
  "mimalloc",
@@ -2951,7 +2990,7 @@ dependencies = [
  "tempfile",
  "unicode-segmentation",
  "uuid",
- "which",
+ "which 6.0.1",
 ]
 
 [[package]]
@@ -3131,7 +3170,7 @@ dependencies = [
  "uuid",
  "v_htmlescape",
  "wax",
- "which",
+ "which 6.0.1",
  "windows 0.54.0",
  "winreg",
 ]
@@ -3421,7 +3460,7 @@ dependencies = [
  "nu-utils",
  "num-format",
  "tempfile",
- "which",
+ "which 6.0.1",
 ]
 
 [[package]]
@@ -4655,6 +4694,16 @@ dependencies = [
  "yansi",
 ]
 
+[[package]]
+name = "prettyplease"
+version = "0.2.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5f12335488a2f3b0a83b14edad48dca9879ce89b2edd10e80237e4e852dd645e"
+dependencies = [
+ "proc-macro2",
+ "syn 2.0.60",
+]
+
 [[package]]
 name = "print-positions"
 version = "0.6.1"
@@ -4682,6 +4731,7 @@ dependencies = [
  "proc-macro-error-attr",
  "proc-macro2",
  "quote",
+ "syn 1.0.109",
  "version_check",
 ]
 
@@ -6883,6 +6933,18 @@ dependencies = [
  "url",
 ]
 
+[[package]]
+name = "which"
+version = "4.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "87ba24419a2078cd2b0f2ede2691b6c66d8e47836da3b6db8265ebad47afbfc7"
+dependencies = [
+ "either",
+ "home",
+ "once_cell",
+ "rustix",
+]
+
 [[package]]
 name = "which"
 version = "6.0.1"

Cargo.toml

@@ -235,6 +235,7 @@ pretty_assertions = { workspace = true }
 rstest = { workspace = true, default-features = false }
 serial_test = "3.1"
 tempfile = { workspace = true }
+iai-callgrind = "0.10.2"
 
 [features]
 plugin = [
@@ -311,3 +312,8 @@ reedline = { git = "https://github.com/nushell/reedline", branch = "main" }
 [[bench]]
 name = "benchmarks"
 harness = false
+
+# cargo bench --bench iai_benchmarks -- --save-summary=pretty-json
+[[bench]]
+name = "iai_benchmarks"
+harness = false

benches/iai_benchmarks.rs

@@ -0,0 +1,59 @@
+use iai_callgrind::{
+    binary_benchmark_group, main, Arg, BinaryBenchmarkConfig, BinaryBenchmarkGroup, Fixtures, Run,
+};
+
+// Callgrid is a benchmarking tool that simulate the execution of a program on a virtual machine.
+// It is useful to measure the performance of a program in a controlled environment.
+// See https://github.com/iai-callgrind/iai-callgrind?tab=readme-ov-file#installation for installation instructions.
+// You can run this benchmark suit by running `cargo bench --bench iai_benchmarks`.
+
+fn my_setup() {}
+
+binary_benchmark_group!(
+    name = my_exe_group;
+    setup = my_setup;
+    // This directory will be copied into the root of the sandbox (as `fixtures`)
+    config = BinaryBenchmarkConfig::default().fixtures(Fixtures::new("benches/fixtures"));
+    benchmark =
+        |"nu", group: &mut BinaryBenchmarkGroup| {
+            setup_my_exe_group(group)
+    }
+);
+
+fn setup_my_exe_group(group: &mut BinaryBenchmarkGroup) {
+    group
+        .bench(Run::with_arg(Arg::new(
+            "standard startup",
+            ["-c", "'exit'"],
+        )))
+        .bench(Run::with_arg(Arg::new(
+            "clean startup",
+            ["--no-std-lib", "--no-history", "-n", "-c", "'exit'"],
+        )))
+        .bench(Run::with_arg(Arg::new(
+            "for loop",
+            [
+                "--no-std-lib",
+                "--no-history",
+                "-n",
+                "-c",
+                "'(for x in 1..10000 { echo $x }) | ignore'",
+            ],
+        )))
+        .bench(Run::with_arg(Arg::new(
+            "open json",
+            [
+                "--no-std-lib",
+                "--no-history",
+                "-n",
+                "-c",
+                "'open fixtures/json_example.json'",
+            ],
+        )))
+        .bench(Run::with_arg(Arg::new(
+            "math",
+            ["--no-std-lib", "--no-history", "-n", "fixtures/math.nu"],
+        )));
+}
+
+main!(binary_benchmark_groups = my_exe_group);