bench-iai: rm iai benchmark crate

broke recently and is rarely used

.github/workflows/ci.yml

@@ -126,11 +126,9 @@ jobs:
       - name: "Benchmark"
         run: |
           cargo bench -p bench-crit all > crit
-          cargo bench -p bench-iai > iai
       - name: "Artifact results"
         uses: actions/upload-artifact@v4
         with:
           name: benchmark
           path: |
             crit
-            iai

Cargo.toml

@@ -24,7 +24,6 @@ exclude = [
 [workspace]
 members = [
     "bench/criterion",
-    "bench/iai",
     "bench/input",
     "examples/jotdown_wasm",
     "tests/html-ref",

Makefile

@@ -107,7 +107,6 @@ afl_tmin:
 clean:
 	cargo clean
 	(cd tests/afl && cargo clean)
-	rm -rf bench/iai/target
 	git submodule deinit -f --all
 	find tests -type l -path 'tests/html-ut/ut/*.test' -print0 | xargs -0 rm -f
 	(cd tests/html-ut && make clean)

README.md

@@ -148,10 +148,7 @@ symlink them to the bench directory, run:
 make bench
 ```
 
-There are two separate benchmarks suites that can be run; criterion and iai.
-Criterion measures statistical real-time performance while iai measures exact
-number of executed instructions and memory accesses. To run the criterion
-benchmarks, use
+To run the benchmarks, use
 
 ```
 cargo bench -p bench-crit [filter]
@@ -162,9 +159,3 @@ Alternatively, if `cargo-criterion` is installed:
 ```
 cargo criterion -p bench-crit -- [filter]
 ```
-
-To run the iai benchmarks, use
-
-```
-cargo bench -p bench-iai
-```

contrib/bench_row.sh

@@ -6,14 +6,6 @@
 
     while getopts i:c: flag; do
         case "$flag" in
-            i)
-                cargo bench -p bench-iai 2>|/dev/null \
-                    | awk -v b="$OPTARG" '
-                        $0 == b {inside=1}
-                        $0 == "" {inside=0}
-                        inside && $1 == "Estimated" {print $3, $4, $5}
-                    '
-                ;;
             c)
                 # try to reduce noise by selecting max throughput of multiple runs
                 for _ in $(seq 100); do

contrib/bench_table.sh

@@ -25,7 +25,6 @@ trap "git checkout $current" EXIT
         OPTIND=1
         while getopts i:c: flag "$@"; do
             case "$flag" in
-                i) echo "iai:$OPTARG [cycles]";;
                 c) echo "criterion:$OPTARG [MB/s]";;
                 *) exit 1
             esac