scripts : add helpers script for bench comparing commits

scripts/compare-commits.sh

@@ -0,0 +1,23 @@
+#!/bin/bash
+
+set -e
+set -x
+
+if [ $# -lt 2 ]; then
+    echo "usage: ./scripts/compare-commits.sh <commit1> <commit2> [additional llama-bench arguments]"
+    exit 1
+fi
+
+bench_args="${@:3}"
+
+rm -f llama-bench.sqlite
+
+git checkout $1
+make clean && LLAMA_CUBLAS=1 make -j32 llama-bench
+./llama-bench -o sql $bench_args | tee /dev/tty | sqlite3 llama-bench.sqlite
+
+git checkout $2
+make clean && LLAMA_CUBLAS=1 make -j32 llama-bench
+./llama-bench -o sql $bench_args | tee /dev/tty | sqlite3 llama-bench.sqlite
+
+./scripts/compare-llama-bench.py -b $1 -c $2