I suggest you try the 10.1. I no longer use the 7.1 libraries and
they're not under active development like the 10.1 libraries. There
have been numerous fixes to the 10.1 FFT to fix these and other
problems. There are still timing problems with 10.1, but the FFT is
working AFAIK.
My compile was 8192 channels (16384 channel) at 200MHz.
Jason
On 27 Jul 2009, at 11:02, John Ford wrote:
I compiled an 8192 channel FFT the other day no problems. But I have
not yet tried it on actual hardware.
We had trouble building large ones that meet timing. Randy modified
the
library to fix the problem. I'm thinking these were 4096 channel
(8192
point) real 200 MHz IP rate builds. It works for us...
This is using Xilinx version 7.X stuff. I don't know if the same fix
would help the 10.1 version.
John
Jason
On 27 Jul 2009, at 08:41, Jason Zheng wrote:
Last time I tried this on 10.1 with a 2^20 FFT design, the Matlab
froze for a long time and I ended up closing the program.
On Mon, Jul 27, 2009 at 8:31 AM, Laura Spitler <[email protected]
wrote:
Hello everyone,
What's the status of large green FFTs, where "large" is greater than
2^11? Can they now be reliably synthesized in 10.1?
Thanks,
Laura
