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Re: Your next supercomputer! Just $99 for 16 ARM cores on a chip. (link supplied)

From rickman <gnuarm@gmail.com>
Newsgroups comp.lang.forth
Subject Re: Your next supercomputer! Just $99 for 16 ARM cores on a chip. (link supplied)
Date 2012-10-09 20:46 -0400
Organization A noiseless patient Spider
Message-ID <k52gi0$s7h$1@dont-email.me> (permalink)
References (2 earlier) <2012100820430026080-chrishinsley@gmailcom> <k4vbco$v5m$1@dont-email.me> <50748947$0$51970$c3e8da3$c8b7d2e6@news.astraweb.com> <k523uj$jk8$1@dont-email.me> <8655639.6yfpS9rpgy@sunwukong.fritz.box>

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On 10/9/2012 7:11 PM, Bernd Paysan wrote:
> For small designs, they are almost perfect now.  A coworker
> asked me about a particular Verilog construct in the b16 ALU, and I
> explained him how I build an ALU out of a full adder and two multiplexer
> per bit.  He said "the synthesis tool is never going to do that for
> you", and I checked: It did.  Both the current synthesis tool from
> Cadence and Synopsys did what I wanted them to do.

What was the construct he said you couldn't get from synthesis, a mux on 
each input bit?  Why would that be hard to synthesize?  Also, what did 
this buy you?

In my CPU design I wanted the address sequencer to be as fast as 
possible and I found I could use the incrementer/adder as a mux as well. 
  So that logic all fit in one 4-input LUT.  I think I had the 
instruction fetch loop down to the decode logic plus two levels of LUTs 
and the memory setup and hold time.  Turned out it was the stack address 
units that slowed the design the most, the error flags actually.  Good 
reason to toss the flags I suppose.

Rick

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Thread

Your next supercomputer!  Just $99 for 16 ARM cores on a chip.  (link supplied) "B.Person" <bruce.person@gmail.com> - 2012-09-28 07:16 -0700
  Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip.  (link supplied) jacko <jackokring@gmail.com> - 2012-09-28 10:44 -0700
    Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip. (link supplied) jacko <jackokring@gmail.com> - 2012-09-28 10:45 -0700
    Re: Your next supercomputer! Just $99 for 16 ARM cores on a chip. (link supplied) Mark Wills <forthfreak@gmail.com> - 2012-09-28 11:42 -0700
  Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip.  (link supplied) Jecel <jecel@merlintec.com> - 2012-09-28 11:39 -0700
  Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip.  (link supplied) Paul Rubin <no.email@nospam.invalid> - 2012-09-28 11:44 -0700
  Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip.  (link supplied) "Rod Pemberton" <do_not_have@notemailnotz.cmm> - 2012-09-29 14:55 -0400
    Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip.  (link supplied) Paul Rubin <no.email@nospam.invalid> - 2012-09-29 12:13 -0700
      Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip.  (link supplied) Bernd Paysan <bernd.paysan@gmx.de> - 2012-09-29 23:13 +0200
        Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip.  (link supplied) Paul Rubin <no.email@nospam.invalid> - 2012-09-29 17:30 -0700
          Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip.  (link supplied) "Elizabeth D. Rather" <erather@forth.com> - 2012-09-29 17:59 -1000
            Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip. Anonymous <nobody@remailer.paranoici.org> - 2012-09-30 13:50 +0000
              Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip. "Ed" <invalid@nospam.com> - 2012-10-02 23:53 +1000
                Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip. Fritz Wuehler <fritz@spamexpire-201210.rodent.frell.theremailer.net> - 2012-10-03 19:10 +0200
                Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip. "Elizabeth D. Rather" <erather@forth.com> - 2012-10-03 07:41 -1000
                Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip. vandys@vsta.org - 2012-10-03 18:06 +0000
                Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip. Bernd Paysan <bernd.paysan@gmx.de> - 2012-10-03 20:22 +0200
                Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip. rickman <gnuarm@gmail.com> - 2012-10-04 08:39 -0400
                Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip. "Elizabeth D. Rather" <erather@forth.com> - 2012-10-04 07:51 -1000
                Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip. rickman <gnuarm@gmail.com> - 2012-10-04 14:05 -0400
                Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip. "Elizabeth D. Rather" <erather@forth.com> - 2012-10-04 09:26 -1000
                Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip. rickman <gnuarm@gmail.com> - 2012-10-04 19:23 -0400
                Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip. vandys@vsta.org - 2012-10-05 00:41 +0000
                Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip. rickman <gnuarm@gmail.com> - 2012-10-05 15:43 -0400
                Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip. vandys@vsta.org - 2012-10-05 21:14 +0000
                Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip. rickman <gnuarm@gmail.com> - 2012-10-07 17:58 -0400
                Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip. "Ed" <invalid@nospam.com> - 2012-10-04 13:40 +1000
                Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip. "Elizabeth D. Rather" <erather@forth.com> - 2012-10-03 21:34 -1000
                Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip. Anonymous <nobody@remailer.paranoici.org> - 2012-10-04 09:49 +0000
                Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip. "Ed" <invalid@nospam.com> - 2012-10-10 00:10 +1000
                Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip. Bernd Paysan <bernd.paysan@gmx.de> - 2012-10-09 16:42 +0200
                Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip. rickman <gnuarm@gmail.com> - 2012-10-09 14:01 -0400
                Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip. Paul Rubin <no.email@nospam.invalid> - 2012-10-09 11:43 -0700
                Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip. "Elizabeth D. Rather" <erather@forth.com> - 2012-10-09 09:02 -1000
                Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip. rickman <gnuarm@gmail.com> - 2012-10-09 15:34 -0400
                Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip. "Elizabeth D. Rather" <erather@forth.com> - 2012-10-09 09:53 -1000
                Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip. rickman <gnuarm@gmail.com> - 2012-10-09 16:06 -0400
                Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip. "Elizabeth D. Rather" <erather@forth.com> - 2012-10-09 17:00 -1000
                Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip. rickman <gnuarm@gmail.com> - 2012-10-10 20:54 -0400
                Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip. "Elizabeth D. Rather" <erather@forth.com> - 2012-10-11 19:26 -1000
                Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip. rickman <gnuarm@gmail.com> - 2012-10-12 23:52 -0400
                Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip. "Elizabeth D. Rather" <erather@forth.com> - 2012-10-13 07:56 -1000
                Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip. rickman <gnuarm@gmail.com> - 2012-10-13 15:06 -0400
                Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip. Bernd Paysan <bernd.paysan@gmx.de> - 2012-10-10 01:29 +0200
                Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip. rickman <gnuarm@gmail.com> - 2012-10-09 15:31 -0400
                Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip. Paul Rubin <no.email@nospam.invalid> - 2012-10-09 14:14 -0700
                Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip. Bernd Paysan <bernd.paysan@gmx.de> - 2012-10-09 21:37 +0200
                Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip. Paul Rubin <no.email@nospam.invalid> - 2012-10-09 15:26 -0700
                Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip. Bernd Paysan <bernd.paysan@gmx.de> - 2012-10-10 02:21 +0200
                Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip. Paul Rubin <no.email@nospam.invalid> - 2012-10-09 19:40 -0700
                Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip. "Rod Pemberton" <do_not_have@notemailnotz.cmm> - 2012-10-04 17:07 -0400
        Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip.  (link supplied) "Rod Pemberton" <do_not_have@notemailnotz.cmm> - 2012-09-29 22:12 -0400
          Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip.  (link supplied) "Elizabeth D. Rather" <erather@forth.com> - 2012-09-29 18:38 -1000
          Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip.  (link supplied) Paul Rubin <no.email@nospam.invalid> - 2012-09-29 23:38 -0700
            Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip.  (link supplied) Jecel <jecel@merlintec.com> - 2012-09-30 11:47 -0700
            Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip.  (link supplied) rickman <gnuarm@gmail.com> - 2012-10-02 00:19 -0400
              Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip. (link supplied) Bernd Paysan <bernd.paysan@gmx.de> - 2012-10-02 16:06 +0200
                Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip. (link supplied) gavino_himself <visploveslisp@gmail.com> - 2012-10-05 14:50 -0700
                Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip. (link supplied) Bernd Paysan <bernd.paysan@gmx.de> - 2012-10-06 03:14 +0200
          Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip.  (link supplied) Bernd Paysan <bernd.paysan@gmx.de> - 2012-09-30 16:34 +0200
            Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip.  (link supplied) "Rod Pemberton" <do_not_have@notemailnotz.cmm> - 2012-10-01 02:31 -0400
              Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip.  (link supplied) Paul Rubin <no.email@nospam.invalid> - 2012-10-01 01:27 -0700
              Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip.  (link supplied) Bernd Paysan <bernd.paysan@gmx.de> - 2012-10-01 16:57 +0200
                Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip.  (link supplied) "Rod Pemberton" <do_not_have@notemailnotz.cmm> - 2012-10-02 16:51 -0400
                Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip.  (link supplied) Bernd Paysan <bernd.paysan@gmx.de> - 2012-10-03 02:48 +0200
                Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip.  (link supplied) "Rod Pemberton" <do_not_have@notemailnotz.cmm> - 2012-10-04 17:47 -0400
                Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip.  (link supplied) Bernd Paysan <bernd.paysan@gmx.de> - 2012-10-05 00:39 +0200
                Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip.  (link supplied) "Rod Pemberton" <do_not_have@notemailnotz.cmm> - 2012-10-06 18:47 -0400
                Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip.  (link supplied) Paul Rubin <no.email@nospam.invalid> - 2012-10-02 19:23 -0700
  Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip.  (link supplied) gavino_himself <visploveslisp@gmail.com> - 2012-09-30 17:05 -0700
    Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip.  (link supplied) "Rod Pemberton" <do_not_have@notemailnotz.cmm> - 2012-10-01 02:26 -0400
      Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip.  (link supplied) albert@spenarnc.xs4all.nl (Albert van der Horst) - 2012-10-05 19:45 +0000
    Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip.  (link supplied) albert@spenarnc.xs4all.nl (Albert van der Horst) - 2012-10-04 13:22 +0000
    Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip.  (link supplied) awegel@arcor.de (Alex Wegel) - 2012-10-06 02:37 +0200
  Re: Your next supercomputer! Just $99 for 16 ARM cores on a chip. (link supplied) Mark Wills <forthfreak@gmail.com> - 2012-10-08 01:38 -0700
    Re: Your next supercomputer! Just $99 for 16 ARM cores on a chip. (link supplied) Chris Hinsley <chris.hinsley@gmail.com> - 2012-10-08 20:43 +0100
      Re: Your next supercomputer! Just $99 for 16 ARM cores on a chip. (link supplied) Chris Hinsley <chris.hinsley@gmail.com> - 2012-10-08 20:56 +0100
      Re: Your next supercomputer! Just $99 for 16 ARM cores on a chip. (link supplied) rickman <gnuarm@gmail.com> - 2012-10-08 16:00 -0400
        Re: Your next supercomputer! Just $99 for 16 ARM cores on a chip. (link supplied) Chris Hinsley <chris.hinsley@gmail.com> - 2012-10-08 21:05 +0100
          Re: Your next supercomputer! Just $99 for 16 ARM cores on a chip. (link supplied) rickman <gnuarm@gmail.com> - 2012-10-08 16:40 -0400
            Re: Your next supercomputer! Just $99 for 16 ARM cores on a chip. (link supplied) Chris Hinsley <chris.hinsley@gmail.com> - 2012-10-08 23:16 +0100
              Re: Your next supercomputer! Just $99 for 16 ARM cores on a chip. (link supplied) Mark Wills <forthfreak@gmail.com> - 2012-10-09 00:19 -0700
                Re: Your next supercomputer! Just $99 for 16 ARM cores on a chip. (link supplied) Chris Hinsley <chris.hinsley@gmail.com> - 2012-10-09 18:43 +0100
          Re: Your next supercomputer! Just $99 for 16 ARM cores on a chip. (link supplied) albert@spenarnc.xs4all.nl (Albert van der Horst) - 2012-10-09 09:59 +0000
            Re: Your next supercomputer! Just $99 for 16 ARM cores on a chip. (link supplied) Chris Hinsley <chris.hinsley@gmail.com> - 2012-10-09 18:46 +0100
        Re: Your next supercomputer! Just $99 for 16 ARM cores on a chip. (link supplied) marko <marko@marko.marko> - 2012-10-10 07:29 +1100
          Re: Your next supercomputer! Just $99 for 16 ARM cores on a chip. (link supplied) rickman <gnuarm@gmail.com> - 2012-10-09 17:11 -0400
            Re: Your next supercomputer! Just $99 for 16 ARM cores on a chip. (link supplied) Bernd Paysan <bernd.paysan@gmx.de> - 2012-10-10 01:11 +0200
              Re: Your next supercomputer! Just $99 for 16 ARM cores on a chip. (link supplied) rickman <gnuarm@gmail.com> - 2012-10-09 20:46 -0400
                Re: Your next supercomputer! Just $99 for 16 ARM cores on a chip. (link supplied) Bernd Paysan <bernd.paysan@gmx.de> - 2012-10-10 14:48 +0200
                Re: Your next supercomputer! Just $99 for 16 ARM cores on a chip. (link supplied) gavino_himself <visploveslisp@gmail.com> - 2012-10-12 13:35 -0700
                Re: Your next supercomputer! Just $99 for 16 ARM cores on a chip. (link supplied) rickman <gnuarm@gmail.com> - 2012-10-13 00:01 -0400
                Re: Your next supercomputer! Just $99 for 16 ARM cores on a chip. (link supplied) "Rod Pemberton" <do_not_have@notemailnotz.cnm> - 2012-10-13 20:51 -0400
                Re: Your next supercomputer! Just $99 for 16 ARM cores on a chip. (link supplied) rickman <gnuarm@gmail.com> - 2012-10-14 17:36 -0400
  Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip.  (link supplied) gavino_himself <visploveslisp@gmail.com> - 2012-10-12 13:34 -0700
  Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip.  (link supplied) "B.Person" <bruce.person@gmail.com> - 2012-10-26 13:35 -0700
    Re: Your next supercomputer!  Just $99 for 16 ARM cores on a chip. (link supplied) "B.Person" <bruce.person@gmail.com> - 2012-10-27 08:54 -0700

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