One more old retired Amateur with older computing hardware. Not likely to be upgraded any time soon on a limited retirement budget. Please keep backward compatibility as long as possible. 73 de KV4ZY
On Wed, Jun 9, 2021 at 6:11 AM Bill Somerville <g4...@classdesign.com> wrote: > On 09/06/2021 09:37, Jim Brown wrote: > > On 6/8/2021 4:38 PM, Bill Somerville wrote: > > we are looking into some performance enhancements that will take advantage > of some parallel processing features of modern CPU architectures. > > > Bill, > > I have a half dozen Thinkpads of various vintages, most running i7 > processors, two running i5s. At least half were purchased as refurbs for > less than $500. Machines like this are widely available in the States, so > that on this side of the pond, hardware should be no limitation for any ham > willing to spend a modest amount for a computer. In the case of one machine > (the one in my shack, about 5 years old purchased new), I needed to add > some RAM. > > I bought my current shack computer new 5-7 years ago, an i7 Thinkpad with > not enough RAM for $760. I've since added 8 GB and an SSD. It has no > problem with WSJT-X, nor with SO2R RTTY contesting -- two radios, each with > two RTTY decoders, logging software, and browsers, all running > simultaneously. A comparable machine could probably be bought used for > about $500. > > I think the real obstacle is ignorance on the part of many hams as to > what's available at moderate cost. I would encourage your ongoing > development, along with an education campaign about hardware. > > 73, Jim K9YC > > Jim, > > it would be helpful if you take the time to review the CPU specs of each > of your machines that run WSJT-X (or MAP65) and determine if they support > the AVX instruction set. With MS Windows this can be done by looking at the > System panel (Windows+X then select System), find the CPU model (it is in > the middle of the page) and look it up on the manufacture's web site. For > example I might do an internet search for "Intel Core i7-3630QM specs" and > go to the ark.intel.com link at the top of that search > https://ark.intel.com/content/www/us/en/ark/products/71459/intel-core-i7-3630qm-processor-6m-cache-up-to-3-40-ghz.html > . On that page under "Advanced Technologies" I find AVX, you may also see > AVX2 or even one of the AVX512 versions, all of those include AVX support. > Let me know if any of your WSJT-X PCs do not support AVX. > > 73 > Bill > G4WJS. > _______________________________________________ > wsjt-devel mailing list > wsjt-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/wsjt-devel >
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