refactor: align benchmark v2 workload protocol

scripts/thread_points.sh

@@ -0,0 +1,48 @@
+#!/usr/bin/env bash
+
+# Shared helpers for choosing default thread points from host CPU count.
+
+detect_logical_cpus() {
+    local detected
+
+    if detected="$(nproc 2>/dev/null)"; then
+        :
+    elif detected="$(getconf _NPROCESSORS_ONLN 2>/dev/null)"; then
+        :
+    else
+        detected=1
+    fi
+
+    if [[ ! "${detected}" =~ ^[0-9]+$ ]] || [ "${detected}" -lt 1 ]; then
+        detected=1
+    fi
+
+    printf "%s\n" "${detected}"
+}
+
+is_power_of_two() {
+    local n="$1"
+    [ "${n}" -gt 0 ] && [ $((n & (n - 1))) -eq 0 ]
+}
+
+default_thread_points() {
+    local cpu_count="${1:-$(detect_logical_cpus)}"
+    local points=()
+    local t
+
+    if is_power_of_two "${cpu_count}"; then
+        t=1
+        while [ "${t}" -le "${cpu_count}" ]; do
+            points+=("${t}")
+            t=$((t * 2))
+        done
+    else
+        t=1
+        while [ "${t}" -le "${cpu_count}" ]; do
+            points+=("${t}")
+            t=$((t + 2))
+        done
+    fi
+
+    printf "%s\n" "${points[*]}"
+}