Python timeit.timeit函数代码示例

 def get_speedup_factor(self, baseline_fcn, optimized_fcn, num_tests):
     baseline_performance = timeit.timeit(baseline_fcn, number=num_tests)
     optimized_performance = timeit.timeit(optimized_fcn, number=num_tests)
     _message = "Performance test too fast, susceptible to overhead"
     T.assert_gt(baseline_performance, 0.005, _message)
     T.assert_gt(optimized_performance, 0.005, _message)
     return (baseline_performance / optimized_performance)

    def run(self):
        """Perform the oct2py speed analysis.

        Uses timeit to test the raw execution of an Octave command,
        Then tests progressively larger array passing.

        """
        print('oct2py speed test')
        print('*' * 20)
        time.sleep(1)

        print('Raw speed: ')
        avg = timeit.timeit(self.raw_speed, number=200) / 200
        print('    {0:0.01f} usec per loop'.format(avg * 1e6))
        sides = [1, 10, 100, 1000]
        runs = [200, 200, 100, 10]
        for (side, nruns) in zip(sides, runs):
            self.array = np.reshape(np.arange(side ** 2), (-1))
            print('Put {0}x{1}: '.format(side, side))
            avg = timeit.timeit(self.large_array_put, number=nruns) / nruns
            print('    {0:0.01f} msec'.format(avg * 1e3))

            print('Get {0}x{1}: '.format(side, side))
            avg = timeit.timeit(self.large_array_get, number=nruns) / nruns
            print('    {0:0.01f} msec'.format(avg * 1e3))

        self.octave.close()
        print('*' * 20)
        print('Test complete!')

def _fast_crc(count=50):
    """
    On certain platforms/builds zlib.adler32 is substantially
    faster than zlib.crc32, but it is not consistent across
    Windows/Linux/OSX.

    This function runs a quick check (2ms on my machines) to
    determine the fastest hashing function available in zlib.

    Parameters
    ------------
    count: int, number of repetitions to do on the speed trial

    Returns
    ----------
    crc32: function, either zlib.adler32 or zlib.crc32
    """
    import timeit

    setup = 'import numpy, zlib;'
    setup += 'd = numpy.random.random((500,3));'

    crc32 = timeit.timeit(setup=setup,
                          stmt='zlib.crc32(d)',
                          number=count)
    adler32 = timeit.timeit(setup=setup,
                            stmt='zlib.adler32(d)',
                            number=count)
    if adler32 < crc32:
        return zlib.adler32
    else:
        return zlib.crc32

def main():
    vector = Vector(.333, .555, .2831).normalize()
    origin = Vector(138.2, 22.459, 12)
    maxDistance = 1000

    def cast_py():
        return numpy.array(list(_cast(origin, vector, maxDistance, 1)))
    def cast_np():
        return _cast_np(origin, vector, maxDistance, 1)

    res_py = cast_py()
    res_np = cast_np()

    print("res_py", res_py.shape)
    print("res_np", res_np.shape)
    s = min(len(res_py), len(res_np))
    passed = (res_py[:s] == res_np[:s]).all()
    print("Passed" if passed else "Failed")

    from timeit import timeit

    t_py = timeit(cast_py, number=1)
    t_np = timeit(cast_np, number=1)

    print("Time cast_py", t_py)
    print("Time cast_np", t_np)

def main():


    monitorDevice=deviceMonitor.MonitorDevices('monitorDevice')



    print '\n'
    print "Start conn test"
    deviceConn=timeit.timeit('MonitorDevices.deviceConnectivity', setup='from deviceMonitor import MonitorDevices', number=1000)
    print 'Time to execute dev conn: %s ' % deviceConn
    print monitorDevice.deviceConnectivity()

    print '\n'

    print "Start devRunState test"
    deviceRunning=timeit.timeit('MonitorDevices.deviceRunning', setup='from deviceMonitor import MonitorDevices', number=1000)
    print 'Time to execute dev run state: %s ' % deviceRunning
    print monitorDevice.deviceRunning()

    print '\n'

    devicePollInterval=timeit.timeit('MonitorDevices.devicePollInterval', setup='from deviceMonitor import MonitorDevices', number=1000)
    print 'Time to execute dev poll interval: %s ' % devicePollInterval
    print monitorDevice.devicePollInterval()

def graph_creation_static_vs_dynamic_rnn_benchmark(max_time):
    config = tf.ConfigProto()
    config.allow_soft_placement = True

    # These parameters don't matter
    batch_size = 512
    num_units = 512

    # Set up sequence lengths
    np.random.seed([127])
    sequence_length = np.random.randint(0, max_time, size=batch_size)
    inputs_list = [np.random.randn(batch_size, num_units).astype(np.float32) for _ in range(max_time)]
    inputs = np.dstack(inputs_list).transpose([0, 2, 1])  # batch x time x depth

    def _create_static_rnn():
        with tf.Session(config=config, graph=tf.Graph()) as sess:
            inputs_list_t = [tf.constant(x) for x in inputs_list]
            ops = _static_vs_dynamic_rnn_benchmark_static(inputs_list_t, sequence_length)

    def _create_dynamic_rnn():
        with tf.Session(config=config, graph=tf.Graph()) as sess:
            inputs_t = tf.constant(inputs)
            ops = _static_vs_dynamic_rnn_benchmark_dynamic(inputs_t, sequence_length)

    delta_static = timeit.timeit(_create_static_rnn, number=5)
    delta_dynamic = timeit.timeit(_create_dynamic_rnn, number=5)

    print("%d \t %f \t %f \t %f" % (max_time, delta_static, delta_dynamic, delta_dynamic / delta_static))

    def test_speed_of_reading_fcs_files(self):
        """ Testing the speed of loading a FCS files"""
        fname = file_formats["mq fcs 3.1"]
        number = 1000

        print

        time = timeit.timeit(
            lambda: parse_fcs(fname, meta_data_only=True, output_format="DataFrame", reformat_meta=False), number=number
        )
        print "Loading fcs file {0} times with meta_data only without reformatting of meta takes {1} per loop".format(
            time / number, number
        )

        time = timeit.timeit(
            lambda: parse_fcs(fname, meta_data_only=True, output_format="DataFrame", reformat_meta=True), number=number
        )
        print "Loading fcs file {0} times with meta_data only with reformatting of meta takes {1} per loop".format(
            time / number, number
        )

        time = timeit.timeit(
            lambda: parse_fcs(fname, meta_data_only=False, output_format="DataFrame", reformat_meta=False),
            number=number,
        )
        print "Loading fcs file {0} times both meta and data but without reformatting of meta takes {1} per loop".format(
            time / number, number
        )

def main():
    global str1,str2
    n=5000
    str1=''.join([random.choice(string.ascii_letters) for i in range(n)])
    str2=''.join([random.choice(string.ascii_letters) for i in range(n)])
    #print timeit.timeit("lcs1(n,n)",setup="from __main__ import lcs1; n=500",number=1)
    print timeit.timeit("lcs2(n,n)",setup="from __main__ import lcs2; n=5000",number=1)

def compareCompleteVSIncomplete():
    size = 100
    nbOfPoints = 50
    nbValuesForAverage = 4
    x, yComplete, yIncomplete = [], [], []

    for i in numpy.linspace(0, size*(size-1), nbOfPoints):
        # Computes matrix density
        x.append((size*size-i)/(size*size))
        # Computes average execution times on 3 calls on different matrix
        completeTime, incompleteTime = 0, 0
        for j in range(nbValuesForAverage):    
            M = matgen.symmetricSparsePositiveDefinite(size, i)
            wrapped1 = wrapper(cholesky.completeCholesky, M)
            completeTime += timeit.timeit(wrapped1, number=1)
            wrapped2 = wrapper(cholesky.incompleteCholesky, M)
            incompleteTime += timeit.timeit(wrapped2, number=1)
        yComplete.append(completeTime/nbValuesForAverage)
        yIncomplete.append(incompleteTime/nbValuesForAverage)

    p1 = plt.plot(x, yComplete, 'b', marker='o')
    p2 = plt.plot(x, yIncomplete, 'g', marker='o')
    plt.title("Average execution time for the Cholesky factorization in function of matrix density\n")
    plt.legend(["New custom Complete factorization", "Custom incomplete factorization"], loc=4)
    plt.ylabel("Execution time (s)")
    plt.xlabel("density of the initial 100*100 matrix")
    plt.show()

def readPWM(pinNum):
	startpwm = timeit.timeit()	# Time the pwm for now
	
	highCount = 0
	totCount = 0
	cur = GPIO.input(pinNum)
	while True:
		prev = cur
		cur = GPIO.input(pinNum)
		if ( cur == 1 ):	# The gpio pin is high, increment high count
			highCount += 1
			totCount += 1
		
		elif ( prev == 1 and cur == 0 ):		# Period has ended, now determine DC.
			totCount += 1
			dutyCycle = highCount/totCount
			break

		else:
			totCount += 1

		#End if
	#End while	

	endpwm = timeit.timeit()
	totalTime = abs(1000*(endpwm - startpwm))	# Convert sec to ms
	print 'PWM took %.3f microseconds.' %(totalTime)

	return dutyCycle

 def runLibraryTests(self,fibLibrary,resultDictionary):
   try:
     resultDictionary[' library'] = fibLibrary
     startTime = time.clock()
     methodLoad = __import__(fibLibrary)
     dynLoad = 'methodLoad.'+fibLibrary+'()'
     fibLib = eval(dynLoad)
     resultDictionary['sequence 10'] = fibLib.fibList(10)
     resultDictionary['sequence 50'] = fibLib.fibList(50)
     resultDictionary['sequence 100'] = fibLib.fibList(100)
     resultDictionary['sequence 500'] = fibLib.fibList(500)
     resultDictionary['starts at 0'] = fibLib.fibAtN(0)
     resultDictionary['value at 5'] = fibLib.fibAtN(5)
     resultDictionary['value at 200'] = fibLib.fibAtN(200)
     resultDictionary['floor of 1000'] = fibLib.fibFloor(1000)
     resultDictionary['ceil of 1000'] = fibLib.fibCeil(1000)
     ss = "fib=__import__('"+fibLibrary+"'); fibLib=fib."+fibLibrary+'()'
     resultDictionary['sequence speed tests'] = timeit.timeit('fibLib.fibList(311)', setup=ss ,number = 5000)
     resultDictionary['value speed tests']=timeit.timeit('fibLib.fibAtN(311)', setup=ss, number = 5000)
     resultDictionary['floor speed tests']=timeit.timeit('fibLib.fibFloor(311)', setup=ss, number = 5000)
     resultDictionary['ceiling speed tests']=timeit.timeit('fibLib.fibCeil(311)', setup=ss, number = 5000)
     stopTime = time.clock()
     resultDictionary['time of basic tests'] = stopTime - startTime
   except:
     return('exception')
   else:
     return('tests worked')

def rxcui_unit_tests(unii, chembl_id, chebi_id, wikidata_accession):
    unii_com = gnomics.objects.compound.Compound(identifier = str(unii), identifier_type = "UNII", source = "FDA")
    print("\nGetting drugs (RxCUIs) from compound (UNII) (%s):" % unii)
    
    for rx in get_drugs(unii_com):
        for iden in rx.identifiers:
            print("- %s (%s)" % (str(iden["identifier"]), iden["identifier_type"]))
    
    chembl_com = gnomics.objects.compound.Compound(identifier = str(chembl_id), identifier_type = "ChEMBL ID", source = "ChEMBL")
    
    print("\nGetting drug identifiers from compound (ChEMBL ID) (%s):" % chembl_id)
    for rx in get_drugs(chembl_com):
        for iden in rx.identifiers:
            print("- %s (%s)" % (str(iden["identifier"]), iden["identifier_type"]))
        
    chebi_com = gnomics.objects.compound.Compound(identifier = str(chebi_id), identifier_type = "ChEBI ID", source = "ChEBI")
    
    print("\nGetting drug identifiers from compound (ChEBI ID) (%s):" % chebi_id)
    for rx in get_drugs(chebi_com):
        for iden in rx.identifiers:
            print("- %s (%s)" % (str(iden["identifier"]), iden["identifier_type"]))
    
    wikidata_com = gnomics.objects.compound.Compound(identifier = str(wikidata_accession), identifier_type = "Wikidata Accession", source = "Wikidata")
    print("\nGetting drug identifiers from Wikidata Accession (%s):" % wikidata_accession)
    
    start = timeit.timeit()
    all_drugs = get_drugs(wikidata_com)
    end = timeit.timeit()
    print("TIME ELAPSED: %s seconds." % str(end - start))
    
    for rx in all_drugs:
        for iden in rx.identifiers:
            print("- %s (%s)" % (str(iden["identifier"]), iden["identifier_type"]))

 def diff(self, iterN=100):
     baseSetup = self.baseSetup +  '; bcg=np.random.rand(640, 480)'
     cv2Cmd = 'test=cv2.absdiff(bcg, data)'
     numpyCmd = 'test=data - bcg'
 
     print timeit.timeit(setup=baseSetup, stmt=numpyCmd, number=iterN)/iterN
     print timeit.timeit(setup=baseSetup, stmt=cv2Cmd, number=iterN)/iterN

def patent_unit_tests(chebi_id, pubchem_cid, pubchem_sid, kegg_compound_id):
    chebi_com = gnomics.objects.compound.Compound(identifier = str(chebi_id), identifier_type = "ChEBI ID", source = "ChEBI")
    print("Getting patent accessions from ChEBI ID (%s):" % chebi_id)
    for acc in get_patents(chebi_com):
        for iden in acc.identifiers:
            print("- %s" % str(iden["identifier"]))
        
    pubchem_com = gnomics.objects.compound.Compound(identifier = str(pubchem_cid), identifier_type = "PubChem CID", source = "PubChem")
    print("\nGetting patent accessions from PubChem CID (%s):" % pubchem_cid)
    for acc in get_patents(pubchem_com):
        for iden in acc.identifiers:
            print("- %s" % str(iden["identifier"]))
        
    pubchem_sub = gnomics.objects.compound.Compound(identifier = str(pubchem_sid), identifier_type = "PubChem SID", source = "PubChem")
    print("\nGetting patent accessions from PubChem SID (%s):" % pubchem_sid)
    for acc in get_patents(pubchem_sub):
        for iden in acc.identifiers:
            print("- %s" % str(iden["identifier"]))
        
    kegg_com = gnomics.objects.compound.Compound(identifier = str(kegg_compound_id), identifier_type = "KEGG Compound ID", source = "KEGG")
    print("\nGetting patent accessions from KEGG Compound ID (%s):" % kegg_compound_id)
    
    start = timeit.timeit()
    all_patents = get_patents(kegg_com)
    end = timeit.timeit()
    print("TIME ELAPSED: %s seconds." % str(end - start))
    
    for acc in all_patents:
        for iden in acc.identifiers:
            print("- %s" % str(iden["identifier"]))

def main():
    """Main"""
    # number and length of lines in test file
    NUM_LINES = 1000
    LINE_LENGTH = 80

    # First, generate a test file
    with open('test_input.txt', 'w') as fp:
        for i in range(NUM_LINES):
            fp.write("".join(random.sample(string.ascii_letters * 2,
                                           LINE_LENGTH)) + "\n")

    # If STDIN specified, compare performance for parsing STDIN
    # Since the stdin buffer does not support seeking, it is not possible
    # to use timeit to benchmark this. Instead a single time will be
    # provided and it should be rerun from the shell multiple times to
    # compare performance
    if not sys.stdin.isatty():
        # Test 1
        #timeit.timeit(s)
        #timeit.timeit("peeker_test()", setup='from __main__ import peeker_test')

        #builtin_stdin_test()
        peeker_stdin_test()
    else:
        # Otherwise, compare performance for reading files
        t = timeit.timeit("builtin_file_test()", 
                          setup='from __main__ import builtin_file_test')
        print("Built-in file stream test (1,000,000 reps): %f" % t)

        t = timeit.timeit("peeker_file_test()", 
                          setup='from __main__ import Peeker,peeker_file_test')
        print("Peeker file stream test (1,000,000 reps): %f" % t)