On 8 November 2017 at 17:44, stan <stanl-fedorau...@vfemail.net> wrote:
> On Tue, 7 Nov 2017 16:09:07 -0800 > Rick Stevens <ri...@alldigital.com> wrote: > > > Specs (open or not) often have little to do with it. It's more trying > > to figure out how the bloody hardware works. If you don't know which > > bits to fiddle on the chip, you may never get the speeds the thing > > supposedly advertises. Most Windows drivers are produced with the > > assistance of the manufacturer of the hardware because M$ funds it. > > On the flip side, I'd bet the majority of Linux drivers are reversed > > engineered and in some cases, the manufacturers actively try to > > hinder development (Texas Instruments was notorious for this 8-10 > > years ago). > > I interpret this as meaning that the wireless standard isn't really > *standard*. That is, that there can be extras above and beyond the > standard that allow a manufacturer to enhance their offering with their > own driver, yet allow generic drivers to work with their device at > reduced throughput. Would that be a correct interpretation? > Not really. As Rick notes, "standards" leave a lot of room for different quality of the implementation. In practice, there will be some maximum thruput that can be achieved following the standard under ideal conditions Vendors of consumer gear use the cheapest possible hardware, so need well designed and implemented drivers to approach the maximum thruput. Big vendors like Dell, HP, Lenovo won't use hardware that doesn't have good drivers for Windows. Linux drivers often build on earlier drivers for older hardware, with the priority on correct operation over thruput, so it should be no surprise that some Linux drivers don't have the thruput you get running the same hardware with Windows. What really matters is how well a system works in practice. I've had many years of experience running I/O intensive linux apps on older Windows "enterprise class" desktops and laptops from major vendors. Some lower spec systems had a good linux network stack and outperformed newer, higher spec kit. This probably reflects the benefits of tweaks to the linux drivers over time, or, put another way -- lack of maturity for linux drivers on recently introduced hardware. The differences are generally greater for wifi than ethernet. -- George N. White III <aa...@chebucto.ns.ca> Head of St. Margarets Bay, Nova Scotia
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