# Simple interface to report execution times of program fragments. # Call TSTART() to reset the timer, TSTOP(...) to report times. import sys, os, time def TSTART(): global t0, t1 u, s, cu, cs = os.times() t0 = u+cu, s+cs, time.time() def TSTOP(*label): global t0, t1 u, s, cu, cs = os.times() t1 = u+cu, s+cs, time.time() tt = [] for i in range(3): tt.append(t1[i] - t0[i]) [u, s, r] = tt msg = '' for x in label: msg = msg + (x + ' ') msg = msg + '%r user, %r sys, %r real\n' % (u, s, r) sys.stderr.write(msg)