@Test(enabled = false) /** Tests of performance. "enabled = false" for the standard testing. */ public void performanceCurveSensitivity() { long startTime, endTime; final int nbTest = 25; MultipleCurrencyAmount pvMC = MultipleCurrencyAmount.of(EUR, 0.0); final MultipleCurrencyMulticurveSensitivity pvcsExplicit = METHOD_HW.presentValueCurveSensitivity(SWAPTION_LONG_PAYER, HW_MULTICURVES); MultipleCurrencyMulticurveSensitivity pvcsMC = pvcsExplicit; final HullWhiteMonteCarloMethod methodMC = new HullWhiteMonteCarloMethod( new NormalRandomNumberGenerator(0.0, 1.0, new MersenneTwister()), NB_PATH); startTime = System.currentTimeMillis(); for (int looptest = 0; looptest < nbTest; looptest++) { pvMC = METHOD_HW_MONTECARLO.presentValue(SWAPTION_LONG_PAYER, EUR, HW_MULTICURVES); } endTime = System.currentTimeMillis(); System.out.println( nbTest + " swaption Hull-White Monte Carlo method (" + NB_PATH + " paths): " + (endTime - startTime) + " ms / price:" + pvMC.toString()); // Performance note: HW approximation: 03-Dec-2012: On Mac Pro 3.2 GHz Quad-Core Intel Xeon: 250 // ms for 25 swaptions (12500 paths). startTime = System.currentTimeMillis(); for (int looptest = 0; looptest < nbTest; looptest++) { pvcsMC = methodMC.presentValueCurveSensitivity(SWAPTION_LONG_PAYER, EUR, HW_MULTICURVES); } endTime = System.currentTimeMillis(); System.out.println( nbTest + " curve sensitivity swaption Hull-White MC method: (" + NB_PATH + " paths) " + (endTime - startTime) + " ms / risk:" + pvcsMC.toString()); // Performance note: curve sensitivity (40): 03-Dec-2012: On Mac Pro 3.2 GHz Quad-Core Intel // Xeon: 600 ms for 25 swaptions (12500 paths). }
@Test(enabled = true) /** Compare explicit formula with Monte-Carlo and long/short and payer/receiver parities. */ public void presentValueMonteCarlo() { HullWhiteMonteCarloMethod methodMC; methodMC = new HullWhiteMonteCarloMethod( new NormalRandomNumberGenerator(0.0, 1.0, new MersenneTwister()), NB_PATH); // Seed fixed to the DEFAULT_SEED for testing purposes. final MultipleCurrencyAmount pvPayerLongExplicit = METHOD_HW.presentValue(SWAPTION_LONG_PAYER, HW_MULTICURVES); final MultipleCurrencyAmount pvPayerLongMC = methodMC.presentValue(SWAPTION_LONG_PAYER, EUR, HW_MULTICURVES); assertEquals( "Swaption physical - Hull-White - Monte Carlo", pvPayerLongExplicit.getAmount(EUR), pvPayerLongMC.getAmount(EUR), 1.0E+4); final double pvMCPreviousRun = 4221400.891; assertEquals( "Swaption physical - Hull-White - Monte Carlo", pvMCPreviousRun, pvPayerLongMC.getAmount(EUR), TOLERANCE_PV); methodMC = new HullWhiteMonteCarloMethod( new NormalRandomNumberGenerator(0.0, 1.0, new MersenneTwister()), NB_PATH); final MultipleCurrencyAmount pvPayerShortMC = methodMC.presentValue(SWAPTION_SHORT_PAYER, EUR, HW_MULTICURVES); assertEquals( "Swaption physical - Hull-White - Monte Carlo", -pvPayerLongMC.getAmount(EUR), pvPayerShortMC.getAmount(EUR), TOLERANCE_PV); final MultipleCurrencyAmount pvReceiverLongMC = methodMC.presentValue(SWAPTION_LONG_RECEIVER, EUR, HW_MULTICURVES); final MultipleCurrencyAmount pvSwap = SWAP_RECEIVER.accept(PVDC, MULTICURVES); assertEquals( "Swaption physical - Hull-White - Monte Carlo - payer/receiver/swap parity", pvReceiverLongMC.getAmount(EUR) + pvPayerShortMC.getAmount(EUR), pvSwap.getAmount(EUR), 1.0E+5); }
@Test /** Tests the curve sensitivity in Monte Carlo approach. */ public void presentValueCurveSensitivityMonteCarlo() { final double toleranceDelta = 1.0E+6; // 100 USD by bp final MultipleCurrencyMulticurveSensitivity pvcsExplicit = METHOD_HW .presentValueCurveSensitivity(SWAPTION_LONG_PAYER, HW_MULTICURVES) .cleaned(TOLERANCE_PV_DELTA); final HullWhiteMonteCarloMethod methodMC = new HullWhiteMonteCarloMethod( new NormalRandomNumberGenerator(0.0, 1.0, new MersenneTwister()), NB_PATH); final MultipleCurrencyMulticurveSensitivity pvcsMC = methodMC .presentValueCurveSensitivity(SWAPTION_LONG_PAYER, EUR, HW_MULTICURVES) .cleaned(TOLERANCE_PV_DELTA); AssertSensivityObjects.assertEquals( "Swaption physical - Hull-White - presentValueCurveSensitivity - payer/receiver/swap parity", pvcsExplicit, pvcsMC, toleranceDelta); }
@Test(enabled = false) /** Tests of performance. "enabled = false" for the standard testing. */ public void performance() { long startTime, endTime; final int nbTest = 1000; MultipleCurrencyAmount pvPayerLongExplicit = MultipleCurrencyAmount.of(EUR, 0.0); MultipleCurrencyAmount pvPayerLongIntegration = MultipleCurrencyAmount.of(EUR, 0.0); MultipleCurrencyAmount pvPayerLongApproximation = MultipleCurrencyAmount.of(EUR, 0.0); @SuppressWarnings("unused") MultipleCurrencyAmount pvPayerLongMC = MultipleCurrencyAmount.of(EUR, 0.0); double[] pvhws = METHOD_HW.presentValueHullWhiteSensitivity(SWAPTION_LONG_PAYER, HW_MULTICURVES); MultipleCurrencyMulticurveSensitivity pvcs = METHOD_HW.presentValueCurveSensitivity(SWAPTION_LONG_PAYER, HW_MULTICURVES); startTime = System.currentTimeMillis(); for (int looptest = 0; looptest < nbTest; looptest++) { pvPayerLongExplicit = METHOD_HW.presentValue(SWAPTION_LONG_PAYER, HW_MULTICURVES); } endTime = System.currentTimeMillis(); System.out.println( nbTest + " pv swaption Hull-White explicit method: " + (endTime - startTime) + " ms"); // Performance note: HW price: 19-Nov-2012: On Mac Pro 3.2 GHz Quad-Core Intel Xeon: 380 ms for // 10000 swaptions. startTime = System.currentTimeMillis(); for (int looptest = 0; looptest < nbTest; looptest++) { pvhws = METHOD_HW.presentValueHullWhiteSensitivity(SWAPTION_LONG_PAYER, HW_MULTICURVES); } endTime = System.currentTimeMillis(); System.out.println( nbTest + " HW sensitivity swaption Hull-White explicit method: " + (endTime - startTime) + " ms"); // Performance note: HW sensitivity (3): 19-Nov-2012: On Mac Pro 3.2 GHz Quad-Core Intel Xeon: // 430 ms for 10000 swaptions. startTime = System.currentTimeMillis(); for (int looptest = 0; looptest < nbTest; looptest++) { pvcs = METHOD_HW.presentValueCurveSensitivity(SWAPTION_LONG_PAYER, HW_MULTICURVES); } endTime = System.currentTimeMillis(); System.out.println( nbTest + " curve sensitivity swaption Hull-White explicit method: " + (endTime - startTime) + " ms"); // Performance note: curve sensitivity (40): 19-Nov-2012: On Mac Pro 3.2 GHz Quad-Core Intel // Xeon: 855 ms for 10000 swaptions. startTime = System.currentTimeMillis(); for (int looptest = 0; looptest < nbTest; looptest++) { pvhws = METHOD_HW.presentValueHullWhiteSensitivity(SWAPTION_LONG_PAYER, HW_MULTICURVES); pvcs = METHOD_HW.presentValueCurveSensitivity(SWAPTION_LONG_PAYER, HW_MULTICURVES); pvhws = METHOD_HW.presentValueHullWhiteSensitivity(SWAPTION_LONG_PAYER, HW_MULTICURVES); } endTime = System.currentTimeMillis(); System.out.println( nbTest + " price/delta/vega swaption Hull-White explicit method: " + (endTime - startTime) + " ms"); // Performance note: present value/delta/vega: 19-Nov-2012: On Mac Pro 3.2 GHz Quad-Core Intel // Xeon: 1730 ms for 10000 swaptions. startTime = System.currentTimeMillis(); for (int looptest = 0; looptest < nbTest; looptest++) { pvPayerLongIntegration = METHOD_HW_INTEGRATION.presentValue(SWAPTION_LONG_PAYER, HW_MULTICURVES); } endTime = System.currentTimeMillis(); System.out.println( nbTest + " swaption Hull-White numerical integration method: " + (endTime - startTime) + " ms"); // Performance note: HW numerical integration: 19-Nov-2012: On Mac Pro 3.2 GHz Quad-Core Intel // Xeon: 1700 ms for 10000 swaptions. startTime = System.currentTimeMillis(); for (int looptest = 0; looptest < nbTest; looptest++) { pvPayerLongApproximation = METHOD_HW_APPROXIMATION.presentValue(SWAPTION_LONG_PAYER, HW_MULTICURVES); } endTime = System.currentTimeMillis(); System.out.println( nbTest + " swaption Hull-White approximation method: " + (endTime - startTime) + " ms"); // Performance note: HW approximation: 19-Nov-2012: On Mac Pro 3.2 GHz Quad-Core Intel Xeon: 250 // ms for 10000 swaptions. startTime = System.currentTimeMillis(); for (int looptest = 0; looptest < nbTest; looptest++) { pvPayerLongMC = METHOD_HW_MONTECARLO.presentValue(SWAPTION_LONG_PAYER, EUR, HW_MULTICURVES); } endTime = System.currentTimeMillis(); System.out.println( nbTest + " swaption Hull-White Monte Carlo method (" + NB_PATH + " paths): " + (endTime - startTime) + " ms"); // Performance note: HW approximation: 18-Aug-11: On Mac Pro 3.2 GHz Quad-Core Intel Xeon: 9200 // ms for 1000 swaptions (12500 paths). final double difference = pvPayerLongExplicit.getAmount(EUR) - pvPayerLongIntegration.getAmount(EUR); final double difference2 = pvPayerLongExplicit.getAmount(EUR) - pvPayerLongApproximation.getAmount(EUR); // double difference3 = pvPayerLongExplicit.getAmount(CUR) - pvPayerLongMC.getAmount(CUR); System.out.println("Difference explicit-integration: " + difference); System.out.println("Difference explicit-approximation: " + difference2); // System.out.println("Difference explicit-Monte Carlo: " + difference3); System.out.println("Curve sensitivity: " + pvcs.toString()); System.out.println("HW sensitivity: " + Arrays.toString(pvhws)); }