vips.java

package org.mitallast.queue;

public class ProcessTest {
    public static void main(String... args) throws Exception {
        long start = System.currentTimeMillis();
        for (int i = 0; i < 1000; i++) {
            Process vipsthumbnail = Runtime.getRuntime()
                .exec("vipsthumbnail", new String[]{"cats.jpg", "-o", "cats.resized.vips.jpg", "--size", "x100"});
            vipsthumbnail.waitFor();
        }
        long end = System.currentTimeMillis();
        printQps("vips", 1000, start, end);
    }

    private static void printQps(String metric, long total, long start, long end) {
        long qps = (long) (total / (double) (end - start) * 1000.);
        System.out.println(metric + ": " + total + " at " + (end - start) + "ms");
        System.out.println(metric + ": " + qps + " qps");
    }
}