Merge pull request #68 from retronym/topic/stac

Increase JVM stack size

Author: retronym

compilation/src/main/scala/scala/tools/nsc/ScalacBenchmark.scala

@@ -114,7 +114,7 @@ object ScalacBenchmarkStandalone {
 @BenchmarkMode(Array(SingleShotTime))
 @OutputTimeUnit(TimeUnit.MILLISECONDS)
 // TODO -Xbatch reduces fork-to-fork variance, but incurs 5s -> 30s slowdown
-@Fork(value = 16, jvmArgs = Array("-XX:CICompilerCount=2", "-Xms2G", "-Xmx2G"))
+@Fork(value = 16, jvmArgs = Array("-XX:CICompilerCount=2", "-Xms2G", "-Xmx2G", "-Xss2M"))
 class ColdScalacBenchmark extends ScalacBenchmark {
   @Benchmark
   def compile(): Unit = compileImpl()
@@ -124,7 +124,7 @@ class ColdScalacBenchmark extends ScalacBenchmark {
 @OutputTimeUnit(TimeUnit.MILLISECONDS)
 @Warmup(iterations = 0)
 @Measurement(iterations = 1, time = 30, timeUnit = TimeUnit.SECONDS)
-@Fork(value = 3, jvmArgs = Array("-Xms2G", "-Xmx2G"))
+@Fork(value = 3, jvmArgs = Array("-Xms2G", "-Xmx2G", "-Xss2M"))
 class WarmScalacBenchmark extends ScalacBenchmark {
   @Benchmark
   def compile(): Unit = compileImpl()
@@ -134,7 +134,7 @@ class WarmScalacBenchmark extends ScalacBenchmark {
 @OutputTimeUnit(TimeUnit.MILLISECONDS)
 @Warmup(iterations = 10, time = 10, timeUnit = TimeUnit.SECONDS)
 @Measurement(iterations = 10, time = 10, timeUnit = TimeUnit.SECONDS)
-@Fork(value = 3, jvmArgs = Array("-Xms2G", "-Xmx2G"))
+@Fork(value = 3, jvmArgs = Array("-Xms2G", "-Xmx2G", "-Xss2M"))
 class HotScalacBenchmark extends ScalacBenchmark {
   @Benchmark
   def compile(): Unit = compileImpl()