Ejemplo n.º 1
0
def empty_matrix( m, n ):
	res = [ [None for i in xrange(n)] for i in xrange(m) ]
	return res
	

def eye_matrix( m ):
	res = [ [ 0.0 for i in xrange(m) ] for i in xrange(m) ]
	for i in xrange(m):
		res[i][i] = 1.0
	return res
	
	
if __name__ == '__main__':
	
	if root():
		start = p.time()

	if False:	
		data = p.rank()
		data = broadcast(data)
		print data

	if False:
		vec = range(p.size())
		data = scatter(vec)
		print data, p.rank()
	
	if False:
		data = p.rank()
		vec = gather(data)
		if root():
Ejemplo n.º 2
0
  if me == 0: print "ERROR: a,b,c,d must sum to 1"
  sys.exit()

if fraction >= 1.0:
  if me == 0: print "ERROR: fraction must be < 1"
  sys.exit()

random.seed(seed+me)
order = 1 << nlevels

mr = mrmpi()

# loop until desired number of unique nonzero entries

pypar.barrier()
tstart = pypar.time()

niterate = 0
ntotal = (1 << nlevels) * nnonzero
nremain = ntotal
while nremain:
  niterate += 1
  ngenerate = nremain/nprocs
  if me < nremain % nprocs: ngenerate += 1
  mr.map(nprocs,generate,None,1)
  nunique = mr.collate()
  if nunique == ntotal: break
  mr.reduce(cull)
  nremain = ntotal - nunique

pypar.barrier()
Ejemplo n.º 3
0
            % (args.year, args.year, args.month)))
else:
    input_files = sorted(
        glob.glob(
            '/panfs/scratch3/vol7/reidpr/wp-access/raw/*/*/pagecounts*gz'))

output_directory_string = '/panfs/scratch3/vol3/gfairchild/wikipedia/index/%s/%s/%s'  #YYYY, MM, DD
index_schema = '../data/index_schema.sql'

mr = mrmpi()
mr.verbosity(1)
mr.timer(1)

#get start time
pypar.barrier()
time_start = pypar.time()

#do actual work
mr.map(len(input_files), process_file)

#get stop time
pypar.barrier()
time_stop = pypar.time()

#clean up
mr.destroy()

#output stats
if pypar.rank() == 0:
    print('time to process %d files on %d procs: %g (secs)' %
          (len(input_files), pypar.size(), time_stop - time_start))
Ejemplo n.º 4
0
        np.arange(map_config['min_lat'], map_config['max_lat'], 5))
    basemap1.m.drawparallels(
        np.arange(map_config['min_lon'], map_config['max_lon'], 5))
    plt.colorbar(label='log10(Smoothed rate per cell)')
    plt.legend()
    figname = smoother_filename[:-4] + '_smoothed_rates_map.png'
    plt.savefig(figname)


# Set up paralell
proc = pypar.size()  # Number of processors as specified by mpirun
myid = pypar.rank()  # Id of of this process (myid in [0, proc-1])
node = pypar.get_processor_name(
)  # Host name on which current process is running
print 'I am proc %d of %d on node %s' % (myid, proc, node)
t0 = pypar.time()

parser = CsvCatalogueParser(catalogue_filename)  # From .csv to hmtk

# Read and process the catalogue content in a variable called "catalogue"
catalogue = parser.read_file(start_year=1965, end_year=2016)

# How many events in the catalogue?
print "The catalogue contains %g events" % catalogue.get_number_events()

# What is the geographical extent of the catalogue?
bbox = catalogue.get_bounding_box()
print "Catalogue ranges from %.4f E to %.4f E Longitude and %.4f N to %.4f N Latitude\n" % bbox

catalogue.sort_catalogue_chronologically()
catalogue.data['magnitude']
Ejemplo n.º 5
0
#print elsize

noelem  = [0]*MAXI
bytes   = [0]*MAXI         
avgtime = [0.0]*MAXI         
mintime = [ 1000000.0]*MAXI      
maxtime = [-1000000.0]*MAXI            




if myid == 0:   
  # Determine timer overhead 
  cpuOH = 1.0;
  for k in range(repeats):   # Repeat to get reliable timings 
    t1 = pypar.time()
    t2 = pypar.time()
    if t2-t1 < cpuOH: cpuOH = t2-t1
    
  print "Timing overhead is %f seconds.\n" %cpuOH         

     
# Pass msg circularly   
for k in range(repeats):
  if myid == 0:
    print "Run %d of %d" %(k+1,repeats)
    
  for i in range(MAXI):
    m=BLOCK*i+1       
   
    noelem[i] = m
Ejemplo n.º 6
0
kmax = 2 ** 15  # Maximal number of iterations (=number of colors)
M = N = 700     # width = height = N
B = 24          # Number of blocks (first dim)

# Region in complex plane [-2:2]
real_min = -2.0
real_max = 1.0
imag_min = -1.5
imag_max = 1.5

# MPI controls
work_tag = 0
result_tag = 1

#Initialise
t = pypar.time()
P = pypar.size()
p = pypar.rank()
processor_name = pypar.get_processor_name()

print 'Processor %d initialised on node %s' % (p, processor_name)

assert P > 1, 'Must have at least one slave'
assert B > P - 1, 'Must have more work packets than slaves'


A = numpy.zeros((M, N), dtype='i')
if p == 0:
    # Create work pool (B blocks)
    # using balanced work partitioning
    workpool = []
Ejemplo n.º 7
0
		return 1
	return 0

def convert_to_dict(itask, key, value, mr):
	"""
		Add each date/number of access to a Python dict for simpler operation.
	"""
	timestamp_counts[key] = value

mr = mrmpi()
mr.verbosity(1)
mr.timer(1)

#get start time
pypar.barrier()
time_start = pypar.time()

#do actual work
mr.map(len(months), process_file)
mr.collate()
mr.reduce(total)

#get stop time
pypar.barrier()
time_stop = pypar.time()

#gather all results on a single processor, sort, and output
mr.gather(1)
#mr.sort_keys(compare)
timestamp_counts = dict()
mr.map_mr(mr, convert_to_dict)
Ejemplo n.º 8
0

# main program

nprocs = pypar.size()
me = pypar.rank()

if len(sys.argv) < 2:
    print "Syntax: wordfreq.py file1 file2 ..."
    sys.exit()
files = sys.argv[1:]

mr = mrmpi()

pypar.barrier()
tstart = pypar.time()

nwords = mr.map(len(files), fileread)
mr.collate()
nunique = mr.reduce(sum)

pypar.barrier()
tstop = pypar.time()

mr.sort_values(ncompare)
count = [0, 10, 0]
mr.map_kv(mr, output)

mr.gather(1)
mr.sort_values(ncompare)
count = [0, 10, 1]
Ejemplo n.º 9
0
        x[0,:]=samples[i,:]
        #x = samples[i,:]
        x[1,:]=getNextState(x[0,:])
        #x=np.vstack((x,getNextState(x)))
        tmp=run(x)
        if tmp in data:
            data[tmp]+=1
        else:
            data[tmp]=1
        #data.append(run(x))
    print 'time of '+str(np.shape(samples)[0])+' calculations '+ str((time.time() - start)/60)+' minutes'
    print data
#main()

#Initialise
t = pypar.time()
P = pypar.size()
p = pypar.rank()
processor_name = pypar.get_processor_name()
# Block stepping
stepping = 100
# Number of blocks
#print end ,start
samplesize = int(end) - int(start)
print 'samplesize = ',samplesize

print 1.*samplesize/stepping
B = samplesize/stepping +10 # Number of blocks

print 'Processor %d initialised on node %s' % (p, processor_name)
assert P > 1, 'Must have at least one slave'
Ejemplo n.º 10
0
kmax = 2**15  # Maximal number of iterations (=number of colors)
M = N = 700  # width = height = N
B = 24  # Number of blocks (first dim)

# Region in complex plane [-2:2]
real_min = -2.0
real_max = 1.0
imag_min = -1.5
imag_max = 1.5

# MPI controls
work_tag = 0
result_tag = 1

#Initialise
t = pypar.time()
P = pypar.size()
p = pypar.rank()
processor_name = pypar.get_processor_name()

print 'Processor %d initialised on node %s' % (p, processor_name)

assert P > 1, 'Must have at least one slave'
assert B > P - 1, 'Must have more work packets than slaves'

A = numpy.zeros((M, N), dtype='i')
if p == 0:
    # Create work pool (B blocks)
    # using balanced work partitioning
    workpool = []
    for i in range(B):
Ejemplo n.º 11
0
from mandelbrot import calculate_region, balance
from mandelplot import plot
import pypar

# User definable parameters
kmax = 2**15   # Maximal number of iterations (=number of colors)
M = N = 700    # width = height = N (200 or 700)

# Region in complex plane
real_min = -2.0
real_max =  1.0
imag_min = -1.5
imag_max =  1.5

#Initialise
t = pypar.time()
P = pypar.size()
p = pypar.rank()
processor_name = pypar.get_processor_name()

print 'Processor %d initialised on node %s' %(p,processor_name)


# Balanced work partitioning (row wise)
Mlo, Mhi = pypar.balance(M, P, p)
print 'p%d: [%d, %d], Interval length=%d' %(p, Mlo, Mhi, Mhi-Mlo)

# Parallel computation 
A = calculate_region(real_min, real_max, imag_min, imag_max, kmax,
                     M, N, Mlo = Mlo, Mhi = Mhi)
Ejemplo n.º 12
0
from mandelbrot import calculate_region_cyclic
from mandelplot import plot
import pypar

# User definable parameters
kmax = 2**15  # Maximal number of iterations (=number of colors)
M = N = 700  # width = height = N (200 or 700)

# Region in complex plane [-2:2]
real_min = -2.0
real_max = 1.0
imag_min = -1.5
imag_max = 1.5

#Initialise
t = pypar.time()
P = pypar.size()
p = pypar.rank()
processor_name = pypar.get_processor_name()

print 'Processor %d initialised on node %s' % (p, processor_name)

# Parallel computation
A = calculate_region_cyclic(real_min, real_max, imag_min, imag_max, kmax, M, N,
                            p, P)

print 'Processor %d: time = %.2f' % (p, pypar.time() - t)

# Communication phase
if p == 0:
    for d in range(1, P):
Ejemplo n.º 13
0
Archivo: mpi.py Proyecto: whigg/PySOL
def empty_matrix(m, n):
    res = [[None for i in xrange(n)] for i in xrange(m)]
    return res


def eye_matrix(m):
    res = [[0.0 for i in xrange(m)] for i in xrange(m)]
    for i in xrange(m):
        res[i][i] = 1.0
    return res


if __name__ == '__main__':

    if root():
        start = p.time()

    if False:
        data = p.rank()
        data = broadcast(data)
        print data

    if False:
        vec = range(p.size())
        data = scatter(vec)
        print data, p.rank()

    if False:
        data = p.rank()
        vec = gather(data)
        if root():