TESTING: set ADAPTIVE_SIZE_ESTIMATOR_MIN_SIZE_COST_TRADEOFF = 0.45.

Author: peter-hofer

substratevm/src/com.oracle.svm.core.genscavenge/src/com/oracle/svm/core/genscavenge/AdaptiveCollectionPolicy.java

@@ -96,7 +96,7 @@ final class AdaptiveCollectionPolicy extends AbstractCollectionPolicy {
     private static final boolean ADAPTIVE_SIZE_USE_COST_ESTIMATORS = true;
     private static final int ADAPTIVE_SIZE_POLICY_INITIALIZING_STEPS = ADAPTIVE_SIZE_POLICY_READY_THRESHOLD;
     /** The minimum increase in throughput in percent for expanding a space by 1% of its size. */
-    private static final double ADAPTIVE_SIZE_ESTIMATOR_MIN_SIZE_COST_TRADEOFF = 0.5;
+    private static final double ADAPTIVE_SIZE_ESTIMATOR_MIN_SIZE_COST_TRADEOFF = 0.45;
     /** The effective number of most recent data points used by estimator (exponential decay). */
     private static final int ADAPTIVE_SIZE_COST_ESTIMATORS_HISTORY_LENGTH = 12;
     /** Threshold for triggering a complete collection after repeated minor collections. */