diff --git a/build.gradle b/build.gradle
index 0ec80de..981344b 100644
--- a/build.gradle
+++ b/build.gradle
@@ -22,6 +22,14 @@ wrapper {
 }
 
 allprojects {
+    tasks.withType(Test).configureEach {
+        maxParallelForks = Runtime.runtime.availableProcessors().intdiv(2) ?: 1
+        if (!project.hasProperty("createReports")) {
+            reports.html.required = false
+            reports.junitXml.required = false
+        }
+    }
+
     group = 'com.yahoo.parsec'
 
     apply plugin: 'java'
@@ -146,4 +154,3 @@ coveralls {
 tasks.coveralls {
     dependsOn(jacocoRootReport)
 }
-