ClusterConstants.java

/*
 * Copyright (c) 2011-2015 EPFL DATA Laboratory
 * Copyright (c) 2014-2015 The Squall Collaboration (see NOTICE)
 *
 * All rights reserved.
 *
 * 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 ch.epfl.data.squall.api.sql.optimizers.name.manual_batching;

public class ClusterConstants {

    public static double getDeserTime(int batchSize) {
	if (batchSize <= 16)
	    return 0.45;
	else if (batchSize <= 32)
	    return 0.55;
	else if (batchSize <= 64)
	    return 0.70;
	else if (batchSize <= 128)
	    return 0.90;
	else if (batchSize <= 256)
	    return 1.04;
	else if (batchSize <= 512)
	    return 1.59;
	else if (batchSize <= 1024)
	    return 2.49;
	else if (batchSize <= 2048)
	    return 5.00;
	else if (batchSize <= 4096)
	    return 7.50;
	else if (batchSize <= 8192)
	    return 9.50;
	else if (batchSize <= 16384)
	    return 12.00;
	else if (batchSize <= 32768)
	    return 15.00;
	else if (batchSize <= 65536)
	    return 18.00;
	else if (batchSize <= 131072)
	    return 21.00;
	else
	    throw new RuntimeException(
		    "Missing measurements results for serialization for bs = "
			    + batchSize + ".");
    }

    public static double getJoinTime() {
	// return 0.0037;
	return 0.0097;
    }

    public static double getOpTime() {
	// TODO: It works precisely when there is one access to memory (as in
	// AggregateCountOperator),
	// but it is not general enough for any king of operator (selection,
	// projection).
	// Actually, this method is invoked only when no join exists on the
	// node,
	// the only example so far is TPCH4.
	return getReadTime();
    }

    public static double getReadTime() {
	return 0.0015;
    }

    public static double getSerTime(int batchSize) {
	if (batchSize <= 16)
	    return 0.15;
	else if (batchSize <= 32)
	    return 0.20;
	else if (batchSize <= 64)
	    return 0.30;
	else if (batchSize <= 128)
	    return 0.40;
	else if (batchSize <= 256)
	    return 0.58;
	else if (batchSize <= 512)
	    return 0.59;
	else if (batchSize <= 1024)
	    return 0.67;
	else if (batchSize <= 2048)
	    return 0.80;
	else if (batchSize <= 4096)
	    return 0.95;
	else if (batchSize <= 8192)
	    return 1.15;
	else if (batchSize <= 16384)
	    return 1.40;
	else if (batchSize <= 32768)
	    return 1.65;
	else if (batchSize <= 65536)
	    return 1.90;
	else if (batchSize <= 131072)
	    return 2.20;
	else
	    throw new RuntimeException(
		    "Missing measurements results for deserialization for bs = "
			    + batchSize + ".");
    }

}