This function should be called before starting the computation.
-t replaces functions specified in functionsToDecorate by instrumented versions which keep track of computation times. If functionsToDecorate is not provided, it decorates by default updateOutput and backward.
+It replaces functions specified in functionsToDecorate by instrumented versions which keep track of computation times. If functionsToDecorate is not provided, it decorates by default updateOutput and backward.
+
+It also resets the accumulated timings to zero.
### profiler.print(model, [nbSamples]) ###