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Leigh, WA5ZNU, reported having problems with cpu% usage, so I took another hard look at the waterfall code.

Incremental changes, but I have managed to cut the cpu usage down. You will not see much change in the fldigi cpu%, but the X-free server cpu% should be significantly lower.

On my 1.6 GHz Athalon, "top" reports the following:

CPU % 22 %
Xfree 17 %
fldig 5 %

When operating in PSK31, NORM waterfall drop speed.

This is very close to what I observe when making the same test with gMFSK.

73s, Dave, W1HKJ

w1hkj wrote:

Leigh, WA5ZNU, reported having problems with cpu% usage, so I took another hard look at the waterfall code.

Overall CPU usage is way down on the old 600 MHz Mandrake 10.1 machine I test with here at work.

Color waterfall and normal speed is about 45% total, and B&W waterfall and slow speed is about 25% total.

Very significant reductions.

Rick Kunath, k9ao