refactor: streamline allocator benchmark scripts for improved readability and performance

.github/scripts/allocator_bench_alpine.sh

@@ -6,7 +6,7 @@ if [[ "${TOKIO_MULTI_THREAD:-false}" == "true" ]]; then
   TOKIO_FEATURE="tokio-multi-thread"
 fi
 
-ALPINE_SCRIPT=$(cat <<'EOF'
+ALPINE_SCRIPT=$(cat <<'INNER_EOF'
 set -eu
 apk add --no-cache build-base pkgconfig time rust cargo
 
@@ -34,27 +34,23 @@ for allocator in system jemalloc mimalloc_v2 mimalloc_v3; do
   else
     cargo build --release --locked
   fi
-  if [ -n "$features" ]; then
-    output="$(/usr/bin/time -v /work/target/release/proxy-scraper-checker 2>&1 >/dev/null)"
-  else
-    output="$(/usr/bin/time -v /work/target/release/proxy-scraper-checker 2>&1 >/dev/null)"
-  fi
-    peak="$(echo "$output" | awk -F': ' '/Maximum resident set size/ {print $2; exit}')"
-    major="$(echo "$output" | awk -F': ' '/Major \(requiring I\/O\) page faults/ {print $2; exit}')"
-    minor="$(echo "$output" | awk -F': ' '/Minor \(reclaiming a frame\) page faults/ {print $2; exit}')"
+  
+  output="$(/usr/bin/time -v /work/target/release/proxy-scraper-checker 2>&1 >/dev/null)"
+  
+  peak="$(echo "$output" | awk -F': ' '/Maximum resident set size/ {print $2; exit}')"
+  major="$(echo "$output" | awk -F': ' '/Major \(requiring I\/O\) page faults/ {print $2; exit}')"
+  minor="$(echo "$output" | awk -F': ' '/Minor \(reclaiming a frame\) page faults/ {print $2; exit}')"
+
   if [ -z "$peak" ]; then
     echo "Failed to parse peak memory for $allocator" >&2
     exit 1
   fi
-    if [ -z "$major" ]; then
-      major=0
-    fi
-    if [ -z "$minor" ]; then
-      minor=0
-    fi
-    printf "%s\t%s\t%s\t%s\n" "$allocator" "$peak" "$major" "$minor" >> /work/alpine-results.tsv
+  major="${major:-0}"
+  minor="${minor:-0}"
+
+  printf "%s\t%s\t%s\t%s\n" "$allocator" "$peak" "$major" "$minor" >> /work/alpine-results.tsv
 done
-EOF
+INNER_EOF
 )
 
 docker run --rm \
@@ -69,16 +65,8 @@ docker run --rm \
   echo ""
   echo "| Allocator | Peak KB | Major PF | Minor PF |"
   echo "| --- | ---: | ---: | ---: |"
-  sort -n -k2,2 -k3,3 -k4,4 alpine-results.tsv | while IFS=$'\t' read -r allocator peak major minor; do
+  while IFS=$'\t' read -r allocator peak major minor; do
     echo "| $allocator | $peak | $major | $minor |"
-  done
-  best="$(sort -n -k2,2 -k3,3 -k4,4 alpine-results.tsv | head -n1)"
-  best_allocator="${best%%$'\t'*}"
-  best_rest="${best#*$'\t'}"
-  best_peak="${best_rest%%$'\t'*}"
-  best_rest="${best_rest#*$'\t'}"
-  best_major="${best_rest%%$'\t'*}"
-  best_minor="${best_rest#*$'\t'}"
+  done < alpine-results.tsv
   echo ""
-  echo "**Best:** $best_allocator ($best_peak KB, $best_major major PF, $best_minor minor PF)"
 } >> "$GITHUB_STEP_SUMMARY"