The section does not explain why the second is slower and it is likely that readers will assume Out-Null is to blame. Especially since that is reported on several other forums.
However it is the use of the pipeline that affects performance. See e.g. this Stack overflow post for more details.
It would be useful to include that explanation.
PERF-01 contains the following example:
The section does not explain why the second is slower and it is likely that readers will assume
Out-Nullis to blame. Especially since that is reported on several other forums. However it is the use of the pipeline that affects performance. See e.g. this Stack overflow post for more details. It would be useful to include that explanation.