wsjt-x is quite CPU intensive. Running FT8, it has a lot of
computing to do to decode the signals in the 3 second or so
window it has. It is decoding multiple signals, and then
reconstituting the decoded signals so it can subtract them from
the input and decode the signals hiding underneath them.
Joe Taylor mentioned in a lecture that the decoded signals are
listed in ascending order of frequency, and these second decodes
appear at the end.
OTOH, wsjt-x appears to only need about 30MB of storage, so it
should fit nicely in the 2GB address space it has on most OSes.
It needs speed, not bit addresses.
BUT, with Linux distos moving away from 32 bit, and Apple
announcing the end of support for 32 bit, if Elecraft wants to
continue supporting these platforms -- and I hope it will --
they should move "with all deliberate speed" to supporting 64
bit utilities.
73 Bill AE6JV
On 4/16/18 at 1:39 AM, elecraft@mailman.qth.net (Dave B via
Elecraft) wrote:
If however, you want to edit/mix real-time HD video and audio on a PC.
Then, a fast 64 bit system will probably be needed. The other "maybe"
need, is if you run a pure SDR based station, and need to run various
digimodes all on the same PC, with multiple screens and I/O systems.
But I know of other people already doing all that on 32 bit Linux
systems just fine anyway. (Once they find out how to make it all work
and play nice.)
-----------------------------------------------------------------------
Bill Frantz | Truth and love must prevail | Periwinkle
(408)356-8506 | over lies and hate. | 16345
Englewood Ave
www.pwpconsult.com | - Vaclav Havel | Los Gatos,
CA 95032
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