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import cmor
import numpy
import tempfile
import sys
import os
from time import localtime, strftime
today = strftime("%Y%m%d", localtime())
try:
import cdms2
cdms2.setNetcdfShuffleFlag(0)
cdms2.setNetcdfDeflateFlag(0)
cdms2.setNetcdfDeflateLevelFlag(0)
except BaseException:
print("This test code needs a recent cdms2 interface for i/0")
sys.exit()
if len(sys.argv) > 1:
level = int(sys.argv[1])
else:
level = int(os.environ.get("DEFLATE_LEVEL", 0))
if len(sys.argv) > 2:
shuffle = int(sys.argv[2])
else:
shuffle = int(os.environ.get("SHUFFLE", 0))
if len(sys.argv) > 3:
print_summary = int(sys.argv[3])
else:
print_summary = 0
if level == 0:
deflate = 0
else:
deflate = 1
f = open("Test/speed_test_table_A")
s = f.read()
f.close()
s = s.replace("${DEFLATE_LEVEL}", str(level))
s = s.replace("${DEFLATE}", str(deflate))
s = s.replace("${SHUFFLE}", str(shuffle))
file_handle, file_path = tempfile.mkstemp(prefix='cmor_speed_and_compression', suffix='.json', dir='.')
with open(file_path,'w') as f:
f.write(s)
mytable = os.path.basename(file_path)
cmor.setup(
inpath="Tables",
set_verbosity=cmor.CMOR_NORMAL,
netcdf_file_action=cmor.CMOR_REPLACE_4,
exit_control=cmor.CMOR_EXIT_ON_MAJOR)
cmor.dataset_json("Test/CMOR_input_example.json")
tables = []
tables.append(cmor.load_table(mytable))
print('Tables ids:', tables)
os.remove(file_path)
# read in data, just one slice
f = cdms2.open('data/tas_ccsr-95a.xml')
s = f("tas", time=slice(0, 1), squeeze=1)
ntimes = 12
myaxes = numpy.arange(10)
myvars = numpy.arange(10)
myaxes[0] = cmor.axis(table_entry='latitude',
units='degrees_north',
coord_vals=s.getLatitude()[:], cell_bounds=s.getLatitude().getBounds())
myaxes[1] = cmor.axis(table_entry='longitude',
units='degrees_north',
coord_vals=s.getLongitude()[:], cell_bounds=s.getLongitude().getBounds())
myaxes[3] = cmor.axis(table_entry='time',
units='months since 1980',
coord_vals=numpy.arange(ntimes), cell_bounds=numpy.arange(ntimes + 1))
pass_axes = [myaxes[2], myaxes[0], myaxes[1]]
myvars[0] = cmor.variable(table_entry='tas',
units='K',
axis_ids=pass_axes,
original_name='CLT',
history='no history',
comment='testing speed'
)
import time
import MV2
st = time.time()
totcmor = 0
totcdms = 0
maxcmor = 0
mincmor = 1000
maxcdms = 0
mincdms = 1000
c0 = st
s2 = s * 1
sh = list(s.shape)
print('shape:', sh)
sh.insert(0, 1)
s2 = MV2.reshape(s2, sh)
s2.setAxis(1, s.getLatitude())
s2.setAxis(2, s.getLongitude())
f = cdms2.open("Test/crap.nc", "w")
for i in range(ntimes):
# print 'Time:',i
cmor.write(myvars[0], s.filled(), 1)
c = time.time()
# print 'cmor write time:',c-c0
totcmor += c - c0
if maxcmor < c - c0:
maxcmor = c - c0
if mincmor > c - c0:
mincmor = c - c0
c0 = c
t = cdms2.createAxis([i])
t.id = 'time'
t.units = 'months since 1980'
t.designateTime()
s2.setAxis(0, t)
f.write(s2, id='tas')
c = time.time()
# print 'cdms time:',c-c0
totcdms += c - c0
if maxcdms < c - c0:
maxcdms = c - c0
if mincdms > c - c0:
mincdms = c - c0
c0 = c
f.close()
cmor.close()
import cdtime
import os
ltime = cdtime.reltime(ntimes - 1, 'month since 1980').tocomp()
#lcmor = os.stat("CMIP6/CMIP/CSIRO-BOM/NICAM/piControl/r1i1p1f1/Amon/tas/gn/v%s/tas_Amon_piControl_NICAM_r1i1p1f1_gn_198001-%i%.2i.nc" % (today,ltime.year,ltime.month))[6]
lcmor = os.stat(
"CMIP6/CMIP6/ISMIP6/PCMDI/PCMDI-test-1-0/piControl-withism/r3i1p1f1/Amon/tas/gn/v%s/tas_Amon_PCMDI-test-1-0_piControl-withism_r3i1p1f1_gn_198001-%i%.2i.nc" %
(today, ltime.year, ltime.month))[6]
print('level:', level, "shuffle:", shuffle)
print('total cmor:', totcmor, mincmor, totcmor / ntimes, maxcmor, lcmor)
lcdms = os.stat("Test/crap.nc")[6]
print('total cdms:', totcdms, mincdms, totcdms / ntimes, maxcdms, lcdms)
print('Size diff:', float(lcmor) / float(lcdms))
print('speed diff:', totcmor / totcdms)
if os.path.exists("summary.txt"):
f = open("summary.txt")
s = f.read()
f.close()
dic = eval(s)
else:
dic = {}
dic[(level, shuffle)] = (float(lcmor) / float(lcdms), totcmor / totcdms)
for i in range(10):
a = dic.get((i, 0), "N/A")
b = dic.get((i, 1), "N/A")
print('Level: ', i, "no suffle:", a, "shuffle", b)
if print_summary != 0:
f = open("summary.txt", "w")
f.write(repr(dic))
f.close()
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