1 # Simple interface to report execution times of program fragments.

     2 # Call TSTART() to reset the timer, TSTOP(...) to report times.

     3 

     4 import sys, os, time

     5 

     6 def TSTART():

     7     global t0, t1

     8     u, s, cu, cs = os.times()

     9     t0 = u+cu, s+cs, time.time()

    10 

    11 def TSTOP(*label):

    12     global t0, t1

    13     u, s, cu, cs = os.times()

    14     t1 = u+cu, s+cs, time.time()

    15     tt = []

    16     for i in range(3):

    17         tt.append(t1[i] - t0[i])

    18     [u, s, r] = tt

    19     msg = ''

    20     for x in label: msg = msg + (x + ' ')

    21     msg = msg + '%r user, %r sys, %r real\n' % (u, s, r)

    22     sys.stderr.write(msg)