22 from daal
import step1Local, step2Master
23 from daal.algorithms
import low_order_moments
25 utils_folder = os.path.realpath(os.path.abspath(os.path.dirname(os.path.dirname(__file__))))
26 if utils_folder
not in sys.path:
27 sys.path.insert(0, utils_folder)
28 from utils
import printNumericTable, createSparseTable
30 DAAL_PREFIX = os.path.join(
'..',
'data')
36 os.path.join(DAAL_PREFIX,
'distributed',
'covcormoments_csr_1.csv'),
37 os.path.join(DAAL_PREFIX,
'distributed',
'covcormoments_csr_2.csv'),
38 os.path.join(DAAL_PREFIX,
'distributed',
'covcormoments_csr_3.csv'),
39 os.path.join(DAAL_PREFIX,
'distributed',
'covcormoments_csr_4.csv')
42 partialResult = [0] * nBlocks
46 def computestep1Local(block):
48 dataTable = createSparseTable(datasetFileNames[block])
51 algorithm = low_order_moments.Distributed(step1Local, method=low_order_moments.fastCSR)
54 algorithm.input.set(low_order_moments.data, dataTable)
57 partialResult[block] = algorithm.compute()
60 def computeOnMasterNode():
64 algorithm = low_order_moments.Distributed(step2Master, method=low_order_moments.fastCSR)
67 for i
in range(nBlocks):
68 algorithm.input.add(low_order_moments.partialResults, partialResult[i])
74 result = algorithm.finalizeCompute()
77 def printResults(res):
79 printNumericTable(res.get(low_order_moments.minimum),
"Minimum:")
80 printNumericTable(res.get(low_order_moments.maximum),
"Maximum:")
81 printNumericTable(res.get(low_order_moments.sum),
"Sum:")
82 printNumericTable(res.get(low_order_moments.sumSquares),
"Sum of squares:")
83 printNumericTable(res.get(low_order_moments.sumSquaresCentered),
"Sum of squared difference from the means:")
84 printNumericTable(res.get(low_order_moments.mean),
"Mean:")
85 printNumericTable(res.get(low_order_moments.secondOrderRawMoment),
"Second order raw moment:")
86 printNumericTable(res.get(low_order_moments.variance),
"Variance:")
87 printNumericTable(res.get(low_order_moments.standardDeviation),
"Standard deviation:")
88 printNumericTable(res.get(low_order_moments.variation),
"Variation:")
90 if __name__ ==
"__main__":
91 for block
in range(nBlocks):
92 computestep1Local(block)