Hi Jim,

It's a good idea include your callsign when posting to lists like this one.

On 6/25/2021 6:22 PM, Jim Pennino via wsjt-devel wrote:
I will be buying a new (Windows) machine soon and in anticipating the future I have the following questions:

1. Are any of the WSJT programs currently threaded?

WSJT-X has used multiple threads since its inception. Distinct threads execute for for GUI response, Audio input and output, FFT calculations, saving of .wav files, the decoder for fast modes, etc. The slow-mode decoder runs in a separate process, which itself can use more than one thread.

2. Are there any future plans for threading either near or far term?

We have typically adjusted the program's threading structure when specific needs arise.

3. Has anyone every done any performance comparisons for WSJT versus number of cores?

Of course, we do performance comparisons all the time.

More cores is generally better, especially if you will be running other programs along with WSJT-X. If you run multiple instances of WSJT-X, you will surely see faster decodes if the decoding processed run on different CPU cores.

        -- 73, Joe, K1JT


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