presto-verifier/src/main/java/io/prestosql/verifier/HumanReadableEventClient.java/HumanReadableEventClient/recordCpuRatio
class HumanReadableEventClient:    private void recordCpuRatio(double cpuRatio)
    {
        if (cpuRatio <= LARGE_SPEEDUP) {
            cpuRatioLargeSpeedup.add(doubleToSortableLong(cpuRatio));
        }
        else if (cpuRatio <= SMALL_SPEEDUP) {
            cpuRatioSmallSpeedup.add(doubleToSortableLong(cpuRatio));
        }
        else if (cpuRatio <= SMALL_REGRESSION) {
            cpuRatioSmallRegression.add(doubleToSortableLong(cpuRatio));
        }
        else {
            cpuRatioLargeRegression.add(doubleToSortableLong(cpuRatio));
        }
        cpuRatioAll.add(doubleToSortableLong(cpuRatio));
    }