高效的三维线性搜索算法

Question

我的Java程序任务存在问题。任务是找到其脉冲宽度和电压降延迟的电压骤降。要考虑的参数是电压，脉冲宽度和脉冲延迟。

该程序是为线性搜索中的三维实现的。但总编译时间大约需要21小时才能完成一轮。有人可以帮我提出一个有效的三维搜索算法，编译时间更长吗？

以下是代码的一部分：

//...snip
if (exu.isDryRun()) {
    return;
}

// singleRun();
// exu.pause(50);
// if( wasThereAnError() == true)
{
    PulseWidthLoop();
    for (V = 6.4; V <= 9.0; V += .1) {
        Fixed_constant();
    }
    for (V = 6.3; V >= 6.0; V -= .1) {
        Fixed_constant();
    }
}

private void Fixed_constant() {

    for (D = 604; D <= 1000; D += 4) {
        PulseWidthLoop();
    }

    for (D = 600; D >= 4; D -= 4) {
        boolean res = PulseWidthLoop();
    }
}

private boolean PulseWidthLoop() {
    final boolean result[] = new boolean[1];
    result[0] = true;
    exu.exec(new ATaskTS() {
        @RunContextDirect
        public void task() {
            int correctCount = 0;
            for (W = 200; correctCount <= 1 && W <= 1000; W += 4) {
                singleRun();
                exu.pause(50);
                if (wasThereAnError()) {
                    result[0] = false;
                    correctCount = 0;
                    System.out.printf(" error Value of W = %f", W);
                } else {
                    // correct
                    correctCount++;
                    System.out.printf("Value of W no error= %f", W);
                }

                System.out.printf("number oif loops %d\n", correctCount);
            }

            // Fixed_constant();
            correctCount = 0;
            for (W = 196; correctCount <= 2 && W >= 4; W -= 4) {
                singleRun();
                exu.pause(50);
                if (wasThereAnError()) {
                    result[0] = false;
                    correctCount = 0;
                } else {
                    correctCount++;
                }
                System.out.printf("number of negative loops %d\n", correctCount);
            }
        }
    });
    return result[0];
}

private void singleRun() {
    exu.exec(new ATaskTS() {
        @RunContextHil
        public void task() {

            exu.commentLevelEnter("voltage = %f , Delay_Start_Time = %f ,     PulseWidth_Start_duration = %f", V, D, W);
            {

                exu.modTS().objKlemme30().afcOff();
                exu.pause(100);
                exu.modTS().objKlemme30().afcOn();
                exu.pause(100);
                lib.Ignition_Off();
                exu.modTS().objKlemme15().afcOff();
                exu.pause(100);
                lib.Ignition_On();
                exu.modTS().objKlemme15().afcOn();
                exu.pause(D);
                setOutputVoltage(V);
                exu.pause(W);
                setOutputVoltage(12);
                exu.pause(20);

                {
                    isInStandby = false;
                    //String contextMsg = String.format(Locale.US,"ErrorCase: Voltage/Pulse_Delay/Pulse_width\t%f\t%f\t%f", V, D, W);
                    String contextMsg = String.format(Locale.US, "ErrorCase: %f\t%f\t%f", V, D, W);
                    testForErrorsStandby(contextMsg);
                    System.out.printf(contextMsg);

                }

            }

            exu.commentLevelLeave();

        }

    }
    );
}

int lastErrorCounter = 0;

private boolean wasThereAnError() {
    // Assert.isTrue(exu.isRunContextDirect() || exu.isDryRun(), "should only be called from RunContextDirect"); // This will encounter the problem if it is in HIL mode or Direct  mode 
    int errorcounter = exu.getUserValueAsInt(CteSetup.KEY_ERRORCOUNTER, 0);
    boolean result = errorcounter != lastErrorCounter;
    lastErrorCounter = errorcounter;
    return result;
}

private void testForErrorsStandby(String contextMsg) {

    exu.commentLevelEnter("Testing Error isInStandby=%s", isInStandby);
    {
        exu.pause(2000);
        lib.DiagSendAndTest("Open Extended Session", "10 03", 6, "50 03");
        exu.pause(100);
        lib.DiagSendAndTest("Read LED Status", "22 02 01", 11, "62 02 01");
        exu.pause(100);

        exu.modTS().objDiag().msgID_Data().comment(10, true, contextMsg);
        lib.DiagTestByteSequence(3,
            // isInStandby ? "FF FF FF FF 01 01 01 01" : "23 26 30 35 3F 3F 1F 1F");
            isInStandby ? "FF FF FF FF 01 01 01 01" : "23 26 30 35 3F 3F 1F 1F");
        exu.pause(100);
    }
    exu.commentLevelLeave();
}