1 files changed, 36 insertions, 0 deletions
diff --git a/benchmark/src/main/kotlin/com/google/devtools/ksp/BenchRunner.kt b/benchmark/src/main/kotlin/com/google/devtools/ksp/BenchRunner.kt
new file mode 100644
index 00000000..277c6c15
--- /dev/null
+++ b/benchmark/src/main/kotlin/com/google/devtools/ksp/BenchRunner.kt
@@ -0,0 +1,36 @@
+/*
+ * Copyright 2022 Google LLC
+ * Copyright 2010-2022 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.google.devtools.ksp
+
+import org.jetbrains.kotlin.cli.jvm.K2JVMCompiler
+import kotlin.system.measureNanoTime
+
+fun main(args: Array<String>) {
+    val runs = 3
+    val warmup = 3
+    val benchName = args[0]
+    val compilerArgs = args.drop(1).toTypedArray()
+    val cold = measureNanoTime{
+        K2JVMCompiler.main(compilerArgs)
+    } / 1000000L
+    for (i in 1..warmup) {
+        K2JVMCompiler.main(compilerArgs)
+    }
+    val hot = (1..runs).map { measureNanoTime{K2JVMCompiler.main(compilerArgs)} / 1000000L }
+    println("$benchName.Cold(RunTimeRaw): $cold ms")
+    println("$benchName.Hot(RunTimeRaw): ${hot.minOrNull()!!} ms")
+}