added command line utility that will use CheckDecomposition from SWFFT to see...

added command line utility that will use CheckDecomposition from SWFFT to see which decompositions the current decomposition.c code heuristics will find working pencils for

cl_check.py

+import sys
+import os
+import numpy as N
+import decomp as D
+
+if len(sys.argv) < 6:
+    print('USAGE: %s <nranks> <ngName> <exeName> <maxAspectRatio> <outBase>' % sys.argv[0])
+    sys.exit(-1)
+
+nranks = int(sys.argv[1])
+ngName = sys.argv[2]
+exeName = sys.argv[3]
+maxAspectRatio = float(sys.argv[4])
+outBase = sys.argv[5]
+
+ngArr = N.loadtxt(ngName)
+
+for ng in ngArr:
+    d3ds = D.filterNgNranks(ng, nranks, maxAspectRatio)
+    for d3d in d3ds:
+        t3d = d3d[1]
+        tmpBase = '%s_%d_%d_%d_%d_%d' % (outBase,nranks,ng,t3d[0],t3d[1],t3d[2])
+        outName = tmpBase + '.out.txt'
+        errName = tmpBase + '.err.txt'
+        datName = tmpBase + '.data.txt'
+        cmd = '%s %d %d %d %d %d %d %d 1> %s 2> %s' % (exeName,ng,ng,ng,nranks,t3d[0],t3d[1],t3d[2],outName,errName)
+        os.system(cmd)
+        os.system('touch error.data')
+        os.system('mv error.data %s' % datName )
+