Andrew Dunstan <andrew@dunslane.net> writes:
> Luke Lonergan wrote:
>> It (the compute intensity optimization) is what we did for copy parsing, and it sped up by a factor of 100+.
> The changes made to COPY were portable, though.
In fact, the changes made to COPY had absolutely nada to do with any of
the things discussed in this thread.
BTW, "sped up by 100%" (which is already an overstatement of what was
actually accomplished) is a long way from "sped up by a factor of 100".
regards, tom lane