On Monday, 15 April 2024 at 08:05:25 UTC, Patrick Schluter wrote:
The setup of a memory mapped file is relatively costly. For
smaller files it is a net loss and read/write beats it hands
down.
Interestingly, this performance deficit is present even when run
against the largest conveniently
On Thursday, 11 April 2024 at 00:24:44 UTC, Andy Valencia wrote:
I wrote a "count newlines" based on mapped files. It used
about twice the CPU of the version which just read 1 meg at a
time. I thought something was amiss (needless slice
indirection or something), so I wrote the code in C.