# Simple interface to report execution times of program fragments.

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

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import sys, os, time

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def TSTART():

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global t0, t1

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

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

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def TSTOP(*label):

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global t0, t1

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

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

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tt = []

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for i in range(3):

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

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[u, s, r] = tt

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msg = ''

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

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

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sys.stderr.write(msg)

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