[Info-vax] QIO Writes to a mailbox

[Paul Sture]

On Fri, 04 Nov 2011 21:57:59 +0100, Jose Baars wrote:

> 
> Btw. these kinds of bugs are abundant in ancient (ex-VAX?) code where
> these bugs were able to survive unnoticed thanks to (the lack of) speed
> on these machines: you were often lucky. You might even have that 'luck'
> now, unless your test systems are as fast as your production systems. A
> very wide spread way of saving money in the nineties was to not order
> manuals.

There is also the scenario where test machines aren't as fast as the 
production systems, or a heavy workload is difficult to reproduce, so you 
simply won't see timing issues in the test environment.

-- 
Paul Sture

"The trouble with quotes on the internet is that it's difficult to
determine whether or not they are genuine."     -- Abraham Lincoln