Hi Gunter, Also take a look at xps_base/XPS_ROACH2_base/system.xmp
There is an option for ShiftReg. I have not played with it myself, but it might be what you are looking for. Wesley New South African SKA Project +2721 506 7300 www.ska.ac.za On Thu, Jul 7, 2016 at 5:49 PM, David MacMahon <dav...@astro.berkeley.edu> wrote: > Hi, Gunter, > > I think you are looking for the resynth_netlist function found in > mlib_devel as the file resynth_netlist.m. I think the comments make it > rather self-explanatory, but please let me know (via the mailing list) if > it's not quite what you're after. > > Cheers, > Dave > > On Jul 7, 2016, at 08:38, Guenter Knittel <gknit...@mpifr-bonn.mpg.de> > wrote: > > Hi, > > > > I’m new to this list, and I would be grateful if somebody could give me a > hint. > > I’m trying to speed-optimize a completed and working SL design, and it > appears > > as if an old topic is a main problem. This is the default XST option to > merge > > a chain of FFs into a shift register. > > What I’m trying to accomplish is to run casper_xps with the right XST > options > > from the start. What I have learned so far is that the XST options are > written > > into the file system_xst.scr, which is re-generated before each run. The > file > > fast_runtime.opt only applies to tools running after XST. > > Now I’m trying to figure out which tool is actually assembling this scr > file, and > > where it gets the options from. In the hope that I can change the default > behavior. > > Can somebody give me a pointer? Or is my approach fundamentally wrong? > > > > Thanks a lot > > Gunter > > from MPIfR Bonn > > > >