Re: Fully unrolled RC5 on FPGA
Frédéric Bastien <[email protected]> Wed, 15 Nov 2006 13:11:13 -0500
| Newsgroups | gmane.comp.distributed-net.hardware |
|---|---|
| Message-ID | <[email protected]> |
To my knowledge Folding at home try to use graphic card and not FPGA. = This could be interesting as this don't require new hardware. But we = will need people that have time to implement it. Fr=E9d=E9ric Bastien Olivier Meyer wrote: > If we will use a microcontroller to control the FPGA, an AVR would be = > much better than a PIC for many reasons: > *more register space > *a GCC port > *higher speed. > = > Notice that we got to the FPGA before Folding at Home! > = > On 11/15/06, *[email protected] <mailto:[email protected]>* = > <[email protected] <mailto:[email protected]>> wrote: > = > Bonjour, > = > Tuesday, November 14, 2006, 8:41:25 PM, you wrote: > = > JLB> Hi Guerric, > = > JLB> Any chance I can get you go target your design to an > XCV2000E-6BG560C > JLB> and tell me if it fits and what the clock rate estimate is? > = > JLB> It's just a data point for me to compare two year old data to > the XCV4LX > JLB> numbers. > = > JLB> Thanks, > JLB> John > = > Ok, I can do that. > The design will need 4 times the number of bRAMs compared with the > Virtex4 design: 16-bit data width and no "read before write" mode. > = > With this kind of RAMs, a register on the B signal of the KeySchedule > bloc could be saved using the fact that input is mirrored to the > output of the bRAM while writing. I currently don't plan to make this > optimization. (this would mean a saving of 26*3 *32/2 =3D 1250 Slices= ). > Whatever, it is probably bad from a place&route point of view. > = > I will test the full design with the new long shift register and will > provides the implementation results. > = > -- > Guerric > = > = > _______________________________________________ > Hardware mailing list > Hardware-Ra3b/QYEcJ3d140v2zMXi0fjHoOT/h/[email protected] <mailto:Hardware-Ra3b/QYEcJ3d140v2zMXi0fjHoOT/h/[email protected]> > http://lists.distributed.net/mailman/listinfo/hardware > = > = > = > = > -- = > ----------------------- > Olivier V. Meyer > Congress shall make no law respecting an establishment of religion, or = > prohibiting the free exercise thereof; or abridging the freedom of = > speech, or of the press; or the right of the people peaceably to = > assemble, and to petition the government for a redress of grievances. > = > = > ------------------------------------------------------------------------ > = > _______________________________________________ > Hardware mailing list > Hardware-Ra3b/QYEcJ3d140v2zMXi0fjHoOT/h/[email protected] > http://lists.distributed.net/mailman/listinfo/hardware _______________________________________________ Hardware mailing list Hardware-Ra3b/QYEcJ3d140v2zMXi0fjHoOT/h/[email protected] http://lists.distributed.net/mailman/listinfo/hardware