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Groups > comp.lang.forth > #33799

Re: Metrics on stack usage

From Bernd Paysan <bernd.paysan@gmx.de>
Newsgroups comp.lang.forth
Subject Re: Metrics on stack usage
Date 2014-10-10 05:03 +0200
Organization 1&1 Internet AG
Message-ID <m17i9k$fue$1@online.de> (permalink)
References (19 earlier) <m109fo$2f1$1@dont-email.me> <m10stb$fh9$1@online.de> <m1310n$vum$1@dont-email.me> <m14l8m$fr9$1@online.de> <m14pio$2fq$1@dont-email.me>

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rickman wrote:

> On 10/8/2014 8:35 PM, Bernd Paysan wrote:
>> rickman wrote:
>>
>>> Ok, so he is an idiot.  That explains why his mistakes were not detected
>>> by the compiler and why he didn't find the error until he had written
>>> 5000 lines of code.  What does this have to do with VHDL or any other
>>> language?
>>
>> Because the entire argument about this typechecking nonsense is that the
>> compiler will find the errors in the program.
> 
> Yes, it will find type errors.

The actual question is if that is useful or not.  You dodge this question.

>> Fact is: It won't even find
>> silly errors, but introduce *more* errors.
> 
> Hmmm... ok if you say so.  Most of your arguments on this topic are
> statements without substantiation.  You seem to be convinced of their
> accuracy regardless.  I doubt there is much anyone can say to change
> your mind.

Or *your* mind.  I gave an example: You want a 4 bit index into an array 
(register file).  In Verilog, it's easy:

reg [3:0] index;

This is pretty much the only way you can do this 4 bit index stuff, but it 
works: it does wrap around, it can index the array, and it has 4 bits.

In VHDL, well, an index ought to be an integer, so the idea was to specify a 
0..15 subset of the integer.  Works well, unless you increment it and it 
should wrap around.  The wraparound is a corner-case.

Of course, VHDL's type system allows you to define this in many different 
ways, but there's no single way which satisfies all requirements: should 
wrap around, should be 4 bits, and should allow to index an array without 
further typecast.

This sort of "you don't get what you need" inevitable leads to *more* errors 
in the code.

>> But the whole point about a typesafe language *is* that it helps to find
>> all the idiotic mistakes people make, by simply compiling the source.
> 
> No, I don't recall anyone saying it will catch "all mistakes".

But of course you said it was quite helpful, and that Verilog's inexistent 
type-checking is causing lots of problems, without stating even one example.  
And I gave one example (out of several observations), and it's dismissed.

That sort of argument isn't very convincing.  Except that it convinces me 
that arguing with you is a waste of time.

>> And yes, all my other coworkers did struggle with the typechecker of
>> VHDL, as did I.
> 
> I'm sure that is a problem easily solved by a bit of education.

So you agree with me that VHDL is difficult to learn.  My point is that you 
don't have to learn all the tricks to get around the cliffs of VHDL: Just 
take the few weeks to learn Verilog.

> I get
> the impression your use of VHDL was some time ago.  If it was before
> numeric_std was in widespread usage then yes, you would have found the
> process of type conversion to be harder.

No, we had numeric_std.  Of course you always had to remember to add this 
package to the boiler plate, or nothing would work.

In Verilog, this sort of stuff simply works out of the box.  All these 
little annoyances in VHDL add up, and create the feeling of a very badly 
designed language.

> Std_logic_vectors were not
> supported at all for math.  Signed and unsigned types are much easier to
> use.  But with more recent additions to the language even
> std_logic_vectors are math friendly.

Can you now index an array using std_logic_vectors?  AFAIK that's still not 
possible.

> Again, this is not a problem with the language, this is a problem with a
> crappy tool.  This must have been a *very* long time ago.  I have used
> VHDL since around 1995 and I have never used tools that required any use
> of Verilog.  Bizarre.  What tools were these?

This is far from bizarre.  The ASIC vendor we had (AMS and Xfab, back then 
called Thesis) had only Verilog simulation libraries of their cells, and 
that is still quite common.  The simulator did offer a VHDL+Verilog 
cosimulation, and it was Modelsim, not something weird.  Mikron did make the 
switch from VHDL to Verilog in 1999.

> You are fond of working with very limited data sets, so here is one to
> disprove your postulate.  I have learned VHDL well and yet have not
> learned to use Verilog to the point I would prefer to use my code in a
> product.  So 100% of my sample indicates Verilog is harder to learn.

Ok, so you have 1 sample point, which opposes my sample points.  I've met 
about 30 engineers which had at one or another point in time switched from 
VHDL to Verilog, and none of them found Verilog difficult to learn.

> As I have mentioned before, Verilog has a set of aspects you need to
> learn about or you can produce buggy designs without realizing it.  I
> don't recall the details and in fact I have never learned them all.  You
> have acknowledged these aspects exist.  Do you have a list written down
> somewhere?  How did you teach your coworkers to use Verilog if you don't
> have this list?  How did they learn about these issues?

We had a "Verilog and VHDL side by side" book, and they read it.  Some 
typical thing you need to know:

All assignments in always @(signal list) asynchrnous blocks have to be 
blocking (i.e. with the variable = assignment syntax); in Verilog 2001, you 
have always @*, and you shall use it when Verilog 2001 is an option 
(otherwise, forgetting a signal in the sensitivity list leads to 
inconsistent results between simulation and synthesis).

All assignments in always @(posedge/negedge signal list) blocks have to be 
non-blocking (with the variable <= assignment syntax); the synchronous 
blocks shall have one clock and one reset input only.

You can't mix @(signal or posedge signal), i.e. either a block is 
synchronous or asynchronous.

A process with asynchronous nreset (active low) and clock looks like that:

always @(posedge clk or negedge nreset)
  if(!nreset) begin
      <initiatization code>
  end else begin
      <clock triggered code>
  end

Declare all variables in blocks with "reg", declare all variables in 
continuous assignments with "wire".  IOs are wires by default, unless 
declared as reg (works only for outputs of course, and is Verilog 2001).  
All variables in an async process must be assigned in all possible cases, 
otherwise they will create a latch (identical rule in VHDL).

Some stuff is "style guide"; these rules apply independent of the language.  
With tools for the last 15 years, having an asynchronous process to do the 
calculations, and a synchronous process only for register updates is no 
longer necessary, so don't split these things up - the two variable names 
clutter the namespace, and cause endless amounts of confusion - use just one 
name, and do all calculation and update synchonous.  The synthesis tool is 
perfect at separating variables, too, so no need to manually split processes 
up.  You should not have negedge clock tasks, as they break ATPG (if you 
need to sample at negative clock edges, you have to create a separate clock 
signal that is fed from the inverted clock in normal mode, but from the test 
clock in ATPG mode).

Some people who converted from VHDL to Verilog thought that the left and 
right shift operators in Verilog had the same problems as in VHDL, and 
therefore avoided them.  They don't, they work fine and are straight-forward 
unsigned shifts.

There's no signed data type in Verilog; if you need signed multiplication, 
make sure you deal with the sign yourself.  Signed shifts are easy, by just 
replicating the top bit, e.g.

wire [15:0] shifted_a = {(16){a[15]}, a} >> shift;

> I wasn't aware that the Verilog standard covers things like drive
> strengths and transistor models.  Can you refer me to info on this?  Is
> this capability good enough to replace Spice?

No way.  It's good enough to model IOs and wired-and busses like I²C.  
You'll find a section about that in any reasonable Verilog book, or when you 
google for "Verilog transistor primitives":

http://electrosofts.com/verilog/primitives.html

> You are gleaning a large conclusion from very little information.  I
> don't accept your conclusion that "the switch has been done".  How many
> of these companies have said "all new designs are in Verilog?"

There are certainly too many semiconductor companies around Munich to give a 
definitive answer ;-).  The companies I know of have all made the switch, 
and that includes the by far biggest one.

> I don't think the Cooley test was very useful or well controlled.  Your
> statement was "Verilog is about 3 times as productive as VHDL".  How
> many of the Verilog programmers finished in 30 minutes?

Well, none of the VHDL programmer did finish in 90 minutes.  The 3x figure 
comes from the observation, that VHDL for the same job typically has a 3x 
line count as Verilog, while the LoCs per day are the same for both 
languages (and indeed the LoCs per day doesn't vary much between different 
languages).

> Judging from the comments made by a couple of them I think they were not
> professional programmers in the sense of banging out code every day.
> Anyone who has problems with type conversions in VHDL is not up to speed
> and should not be in anything remotely like the Cooley race.

However, that observation coincides with my observation that all VHDL 
designers had problems with the typing system, and were banging out code 
every day.  You assume a level of VHDL knowledge that I've never seen.

> Or the training.  I assume now you are talking about the people you
> worked with who never figured out how to do type conversion or how to
> avoid needing type conversion.  I could explain that topic in 15 minutes
> of instruction.

So please explain how to index an array with std_logic and avoiding type 
conversion.

> I remember the first time I heard the amplifier statement about Forth.
> I have often wondered if it is so much an amplifier as it is a filter.
> If you are a great programmer then you can deal with the various issues
> of Forth just as you could deal with the various issues of any other
> language... except maybe VHDL which seems to be a fatal blow to some.

VHDL's issues certainly drag me down: It's overly complex and therefore 
takes more time to learn, the type system is worse than useless, and not 
designed for creating circuits (I wonder what it was designed for), and some 
parts of the language standards have simply been wrong (like the shift 
operators in numeric_std, which were added as aftertought and misspecified).

> If you are a lesser programmer I think the issues of Forth drag you down.

Yes.  But to call them "issues" implies that good programmers work around 
them, it doesn't help them to gain speed, it just doesn't drag them down a 
lot.  I don't think the problematic parts of Forth for lesser programmers 
are real issues for the good programmers.

> Heck, you like statistical evidence so much, Forth has always been a
> back water language in terms of popularity and it has dropped off over
> the years.  Does that mean it is a poor choice of language?  There seem
> to be a huge number of people who try it and simply drop it out of pure
> frustration.  So Verilog is like C and VHDL is like Ada^H^H^H Forth?

VHDL is certainly like Ada, and nowhere like Forth.  Verilog is like C, I'm 
fine with that description.  I'd love to see a HDL which is based on Forth, 
and works like Forth - simple, stack-based, implicit where possible (e.g. 
most modules have a single clock and a single reset - no need to name 
those), with tools optimized for the 90% you need.

Ada and Forth are certainly two very opposite directions of programming 
languages for the same job (low-level control stuff).

>> It might be that Verilog is an amplifier; however, given how much easier
>> people perceive it is to learn, I much doubt it.
> 
> I won't argue that Verilog is not quicker to learn.  I just think most
> of your bias against VHDL is based on ancient experiences using poor
> tools.  I won't recommend that you try it again because I think it is
> just against your grain no matter how well others are able to use it.

It wasn't that ancient; the tools are of course better now (I hope the tools 
always get better), but yes, VHDL certainly is not for me, so I won't 
reconsidder it.  I don't think it has anything of value to offer.

We had switched tools from a VHDL-oriented vendor (Mentor Graphics) to 
Cadence after we did the VHDL-Verilog switch at Mikron; that switch was 
driven by fab support, but the tools from Cadence support Verilog better 
than VHDL.  However, the Siemens HL experience before was with Synopsys, 
which has even better tools than Cadence - they had the best tools for VHDL 
available at that time, so if it was a tools issue, I would be rather 
surprised.

Verilog has fixed several issues it had 15 years ago, as well.  The most 
important is IMHO the "always @*" for asynchronous blocks in Verilog 2001.  
VHDL copied that in VHDL-2008, with a "process(all)" statement.

-- 
Bernd Paysan
"If you want it done right, you have to do it yourself"
http://bernd-paysan.de/

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Thread

Metrics on stack usage Walter Banks <walter@bytecraft.com> - 2014-09-16 11:22 -0400
  Re: Metrics on stack usage rickman <gnuarm@gmail.com> - 2014-09-16 11:41 -0400
    Re: Metrics on stack usage Walter Banks <walter@bytecraft.com> - 2014-09-16 13:20 -0400
      Re: Metrics on stack usage rickman <gnuarm@gmail.com> - 2014-09-16 13:39 -0400
        Re: Metrics on stack usage Walter Banks <walter@bytecraft.com> - 2014-09-16 15:11 -0400
          Re: Metrics on stack usage rickman <gnuarm@gmail.com> - 2014-09-16 17:24 -0400
            Re: Metrics on stack usage Walter Banks <walter@bytecraft.com> - 2014-09-17 17:58 -0400
  Re: Metrics on stack usage barrym95838@yahoo.com - 2014-09-16 08:47 -0700
    Re: Metrics on stack usage Walter Banks <walter@bytecraft.com> - 2014-09-16 14:41 -0400
    Re: Metrics on stack usage "Rod Pemberton" <buzzoff@nonamewhichexists.cmm> - 2014-09-16 18:55 -0400
      Re: Metrics on stack usage "Elizabeth D. Rather" <erather@forth.com> - 2014-09-16 14:33 -1000
        Re: Metrics on stack usage barrym95838@yahoo.com - 2014-09-16 18:30 -0700
  Re: Metrics on stack usage anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-09-16 15:44 +0000
    Re: Metrics on stack usage Walter Banks <walter@bytecraft.com> - 2014-09-16 13:22 -0400
  Re: Metrics on stack usage Paul Rubin <no.email@nospam.invalid> - 2014-09-16 09:18 -0700
    Re: Metrics on stack usage Walter Banks <walter@bytecraft.com> - 2014-09-16 15:39 -0400
      Re: Metrics on stack usage "Elizabeth D. Rather" <erather@forth.com> - 2014-09-16 09:41 -1000
      Re: Metrics on stack usage Paul Rubin <no.email@nospam.invalid> - 2014-09-16 16:11 -0700
        Re: Metrics on stack usage Walter Banks <walter@bytecraft.com> - 2014-09-17 16:34 -0400
        Re: Metrics on stack usage rickman <gnuarm@gmail.com> - 2014-09-17 17:26 -0400
          Re: Metrics on stack usage Walter Banks <walter@bytecraft.com> - 2014-09-19 07:21 -0400
            Re: Metrics on stack usage Walter Banks <walter@bytecraft.com> - 2014-09-19 10:01 -0400
              Re: Metrics on stack usage Paul Rubin <no.email@nospam.invalid> - 2014-09-19 07:42 -0700
                Re: Metrics on stack usage anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-09-19 14:46 +0000
                Re: Metrics on stack usage Paul Rubin <no.email@nospam.invalid> - 2014-09-19 08:09 -0700
                Re: Metrics on stack usage rickman <gnuarm@gmail.com> - 2014-09-20 03:41 -0400
                Re: Metrics on stack usage anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-09-20 15:31 +0000
                Re: Metrics on stack usage rickman <gnuarm@gmail.com> - 2014-09-20 14:53 -0400
                Re: Metrics on stack usage anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-09-22 16:44 +0000
                Re: Metrics on stack usage rickman <gnuarm@gmail.com> - 2014-09-22 15:52 -0400
                Re: Metrics on stack usage Bernd Paysan <bernd.paysan@gmx.de> - 2014-09-30 00:08 +0200
                Re: Metrics on stack usage rickman <gnuarm@gmail.com> - 2014-09-20 04:26 -0400
                Re: Metrics on stack usage Walter Banks <walter@bytecraft.com> - 2014-09-22 10:48 -0400
                Re: Metrics on stack usage Andrew Haley <andrew29@littlepinkcloud.invalid> - 2014-09-22 12:26 -0500
                Re: Metrics on stack usage Walter Banks <walter@bytecraft.com> - 2014-09-22 17:07 -0400
      Re: Metrics on stack usage anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-09-17 07:20 +0000
        Re: Metrics on stack usage Walter Banks <walter@bytecraft.com> - 2014-09-17 17:03 -0400
          Re: Metrics on stack usage anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-09-18 11:40 +0000
            Re: Metrics on stack usage Walter Banks <walter@bytecraft.com> - 2014-09-19 09:56 -0400
            Re: Metrics on stack usage Walter Banks <walter@bytecraft.com> - 2014-09-22 10:54 -0400
              Re: Metrics on stack usage anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-09-22 15:13 +0000
                Re: Metrics on stack usage Walter Banks <walter@bytecraft.com> - 2014-09-22 13:58 -0400
              Re: Metrics on stack usage "Elizabeth D. Rather" <erather@forth.com> - 2014-09-22 11:13 -1000
                Re: Metrics on stack usage Walter Banks <walter@bytecraft.com> - 2014-09-22 21:59 -0400
                Re: Metrics on stack usage "Elizabeth D. Rather" <erather@forth.com> - 2014-09-22 16:57 -1000
                Re: Metrics on stack usage rickman <gnuarm@gmail.com> - 2014-09-23 00:59 -0400
                Re: Metrics on stack usage "Elizabeth D. Rather" <erather@forth.com> - 2014-09-22 19:53 -1000
                Re: Metrics on stack usage Andrew Haley <andrew29@littlepinkcloud.invalid> - 2014-09-23 03:48 -0500
                Re: Metrics on stack usage anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-09-23 16:01 +0000
                Re: Metrics on stack usage "Elizabeth D. Rather" <erather@forth.com> - 2014-09-23 08:07 -1000
                Re: Metrics on stack usage Paul E Bennett <Paul_E.Bennett@topmail.co.uk> - 2014-09-23 22:11 +0100
                Re: Metrics on stack usage Andrew Haley <andrew29@littlepinkcloud.invalid> - 2014-09-23 16:22 -0500
                Re: Metrics on stack usage "Elizabeth D. Rather" <erather@forth.com> - 2014-09-23 11:28 -1000
                Re: Metrics on stack usage albert@spenarnc.xs4all.nl (Albert van der Horst) - 2014-09-24 11:56 +0000
                Re: Metrics on stack usage hughaguilar96@yahoo.com - 2014-09-24 13:52 -0700
                Re: Metrics on stack usage rickman <gnuarm@gmail.com> - 2014-09-24 17:00 -0400
                Re: Metrics on stack usage rickman <gnuarm@gmail.com> - 2014-09-24 17:04 -0400
                Re: Metrics on stack usage Michael Barry <barrym95838@yahoo.com> - 2014-09-24 16:08 -0700
                Re: Metrics on stack usage "Elizabeth D. Rather" <erather@forth.com> - 2014-09-24 12:23 -1000
                Re: Metrics on stack usage hughaguilar96@yahoo.com - 2014-09-29 19:33 -0700
                Re: Metrics on stack usage albert@spenarnc.xs4all.nl (Albert van der Horst) - 2014-09-25 10:02 +0000
                Re: Metrics on stack usage hughaguilar96@yahoo.com - 2014-09-25 18:48 -0700
                Re: Metrics on stack usage rickman <gnuarm@gmail.com> - 2014-09-24 16:58 -0400
                Re: Metrics on stack usage Paul Rubin <no.email@nospam.invalid> - 2014-09-24 16:02 -0700
                Re: Metrics on stack usage rickman <gnuarm@gmail.com> - 2014-09-24 19:14 -0400
                Re: Metrics on stack usage anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-09-29 10:15 +0000
                Re: Metrics on stack usage "Elizabeth D. Rather" <erather@forth.com> - 2014-09-24 13:54 -1000
                Typing, was [Re: Metrics on stack usage] "Rod Pemberton" <buzzoff@nonamewhichexists.cmm> - 2014-09-24 21:07 -0400
                Re: Typing, was [Re: Metrics on stack usage] "Elizabeth D. Rather" <erather@forth.com> - 2014-09-24 15:25 -1000
                Re: Typing, was [Re: Metrics on stack usage] Paul Rubin <no.email@nospam.invalid> - 2014-09-24 18:43 -0700
                Re: Typing, was [Re: Metrics on stack usage] "Elizabeth D. Rather" <erather@forth.com> - 2014-09-24 16:08 -1000
                Re: Typing, was [Re: Metrics on stack usage] Mark Wills <markwills1970@gmail.com> - 2014-09-25 01:11 -0700
                Re: Typing, was [Re: Metrics on stack usage] Paul Rubin <no.email@nospam.invalid> - 2014-10-01 09:53 -0700
                Re: Typing, was [Re: Metrics on stack usage] anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-09-29 13:38 +0000
                Re: Typing, was [Re: Metrics on stack usage] Paul Rubin <no.email@nospam.invalid> - 2014-09-29 17:53 -0700
                Re: Typing, was [Re: Metrics on stack usage] anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-09-30 09:13 +0000
                Re: Typing, was [Re: Metrics on stack usage] Paul Rubin <no.email@nospam.invalid> - 2014-09-30 22:37 -0700
                Re: Typing, was [Re: Metrics on stack usage] anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-10-03 16:10 +0000
                Re: Typing, was [Re: Metrics on stack usage] "Elizabeth D. Rather" <erather@forth.com> - 2014-10-03 08:42 -1000
                Re: Typing, was [Re: Metrics on stack usage] rickman <gnuarm@gmail.com> - 2014-10-03 14:59 -0400
                Re: Typing, was [Re: Metrics on stack usage] "Elizabeth D. Rather" <erather@forth.com> - 2014-10-03 09:07 -1000
                Re: Typing, was [Re: Metrics on stack usage] rickman <gnuarm@gmail.com> - 2014-10-03 17:28 -0400
                Re: Typing, was [Re: Metrics on stack usage] Howerd <howerdo@yahoo.co.uk> - 2014-10-04 11:15 -0700
                Re: Typing, was [Re: Metrics on stack usage] Marc Olschok <nobody@nowhere.invalid> - 2014-10-07 23:37 +0000
                Re: Typing, was [Re: Metrics on stack usage] "Elizabeth D. Rather" <erather@forth.com> - 2014-10-07 15:07 -1000
                Re: Typing, was [Re: Metrics on stack usage] Marc Olschok <nobody@nowhere.invalid> - 2014-10-11 23:32 +0000
                Re: Typing, was [Re: Metrics on stack usage] Bernd Paysan <bernd.paysan@gmx.de> - 2014-10-12 03:03 +0200
                Re: Typing, was [Re: Metrics on stack usage] Andrew Haley <andrew29@littlepinkcloud.invalid> - 2014-10-12 10:42 -0500
                Re: Typing, was [Re: Metrics on stack usage] Bernd Paysan <bernd.paysan@gmx.de> - 2014-10-13 00:26 +0200
                Re: Typing, was [Re: Metrics on stack usage] "Elizabeth D. Rather" <erather@forth.com> - 2014-10-11 19:30 -1000
                Re: Typing, was [Re: Metrics on stack usage] Bernd Paysan <bernd.paysan@gmx.de> - 2014-10-08 03:42 +0200
                Re: Typing, was [Re: Metrics on stack usage] Andrew Haley <andrew29@littlepinkcloud.invalid> - 2014-10-08 02:46 -0500
                Re: Typing, was [Re: Metrics on stack usage] Bernd Paysan <bernd.paysan@gmx.de> - 2014-10-09 00:43 +0200
                Re: Typing, was [Re: Metrics on stack usage] Marc Olschok <nobody@nowhere.invalid> - 2014-10-11 23:32 +0000
                Re: Typing, was [Re: Metrics on stack usage] Kaz Kylheku <kaz@kylheku.com> - 2014-09-28 18:45 +0000
                Re: Typing, was [Re: Metrics on stack usage] "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de> - 2014-09-25 09:22 +0200
                Re: Typing, was [Re: Metrics on stack usage] Kaz Kylheku <kaz@kylheku.com> - 2014-09-28 17:09 +0000
                Re: Metrics on stack usage Kaz Kylheku <kaz@kylheku.com> - 2014-09-25 01:43 +0000
                Re: Metrics on stack usage Mark Wills <markwills1970@gmail.com> - 2014-09-25 01:15 -0700
                Re: Metrics on stack usage albert@spenarnc.xs4all.nl (Albert van der Horst) - 2014-09-25 10:19 +0000
                Re: Metrics on stack usage Mark Wills <markwills1970@gmail.com> - 2014-09-25 01:06 -0700
                Re: Metrics on stack usage rickman <gnuarm@gmail.com> - 2014-09-25 04:25 -0400
                Re: Metrics on stack usage Mark Wills <markwills1970@gmail.com> - 2014-09-25 03:15 -0700
                Re: Metrics on stack usage rickman <gnuarm@gmail.com> - 2014-09-25 14:43 -0400
                Re: Metrics on stack usage albert@spenarnc.xs4all.nl (Albert van der Horst) - 2014-09-25 22:23 +0000
                Re: Metrics on stack usage anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-09-29 13:42 +0000
                Re: Metrics on stack usage rickman <gnuarm@gmail.com> - 2014-09-29 14:23 -0400
                Re: Metrics on stack usage "Elizabeth D. Rather" <erather@forth.com> - 2014-09-29 10:14 -1000
                Re: Metrics on stack usage rickman <gnuarm@gmail.com> - 2014-09-29 17:10 -0400
                Re: Metrics on stack usage "Elizabeth D. Rather" <erather@forth.com> - 2014-09-29 12:31 -1000
                Re: Metrics on stack usage rickman <gnuarm@gmail.com> - 2014-09-29 21:07 -0400
                Re: Metrics on stack usage Bernd Paysan <bernd.paysan@gmx.de> - 2014-10-05 01:34 +0200
                Re: Metrics on stack usage Andrew Haley <andrew29@littlepinkcloud.invalid> - 2014-10-05 03:29 -0500
                Re: Metrics on stack usage albert@spenarnc.xs4all.nl (Albert van der Horst) - 2014-10-05 13:46 +0000
                Re: Metrics on stack usage rickman <gnuarm@gmail.com> - 2014-10-05 15:49 -0400
                Re: Metrics on stack usage Bernd Paysan <bernd.paysan@gmx.de> - 2014-10-06 03:44 +0200
                Re: Metrics on stack usage rickman <gnuarm@gmail.com> - 2014-10-06 00:12 -0400
                Re: Metrics on stack usage "Elizabeth D. Rather" <erather@forth.com> - 2014-10-05 18:56 -1000
                Re: Metrics on stack usage rickman <gnuarm@gmail.com> - 2014-10-06 01:34 -0400
                Re: Metrics on stack usage Bernd Paysan <bernd.paysan@gmx.de> - 2014-10-06 19:57 +0200
                Re: Metrics on stack usage rickman <gnuarm@gmail.com> - 2014-10-07 04:49 -0400
                Re: Metrics on stack usage Bernd Paysan <bernd.paysan@gmx.de> - 2014-10-07 16:21 +0200
                Re: Metrics on stack usage rickman <gnuarm@gmail.com> - 2014-10-08 05:43 -0400
                Re: Metrics on stack usage Bernd Paysan <bernd.paysan@gmx.de> - 2014-10-09 02:35 +0200
                Re: Metrics on stack usage rickman <gnuarm@gmail.com> - 2014-10-08 21:48 -0400
                Re: Metrics on stack usage Bernd Paysan <bernd.paysan@gmx.de> - 2014-10-10 05:03 +0200
                Re: Metrics on stack usage rickman <gnuarm@gmail.com> - 2014-10-10 01:07 -0400
                Re: Metrics on stack usage Bernd Paysan <bernd.paysan@gmx.de> - 2014-10-10 21:27 +0200
                Re: Metrics on stack usage Bernd Paysan <bernd.paysan@gmx.de> - 2014-10-11 00:01 +0200
                Re: Metrics on stack usage rickman <gnuarm@gmail.com> - 2014-10-10 19:59 -0400
                Re: Metrics on stack usage Bernd Paysan <bernd.paysan@gmx.de> - 2014-10-11 03:33 +0200
                Re: Metrics on stack usage rickman <gnuarm@gmail.com> - 2014-10-10 22:30 -0400
                Re: Metrics on stack usage hughaguilar96@yahoo.com - 2014-10-11 15:22 -0700
                Re: Metrics on stack usage rickman <gnuarm@gmail.com> - 2014-10-11 22:24 -0400
                Loading libraries (was: Metrics on stack usage) anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-10-11 09:23 +0000
                Re: Metrics on stack usage hughaguilar96@yahoo.com - 2014-10-10 16:11 -0700
                Re: Metrics on stack usage hughaguilar96@yahoo.com - 2014-10-10 16:36 -0700
                Re: Metrics on stack usage rickman <gnuarm@gmail.com> - 2014-10-10 22:38 -0400
                Re: Metrics on stack usage "Rod Pemberton" <buzzoff@nonamewhichexists.cmm> - 2014-10-17 23:39 -0400
                Re: Metrics on stack usage Paul E Bennett <Paul_E.Bennett@topmail.co.uk> - 2014-10-11 12:25 +0100
                Re: Metrics on stack usage anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-10-07 07:52 +0000
                Re: Metrics on stack usage Mark Wills <markwills1970@gmail.com> - 2014-09-25 00:34 -0700
                Re: Metrics on stack usage Bernd Paysan <bernd.paysan@gmx.de> - 2014-10-01 23:26 +0200
                Re: Metrics on stack usage Paul Rubin <no.email@nospam.invalid> - 2014-10-01 16:15 -0700
                Re: Metrics on stack usage "Elizabeth D. Rather" <erather@forth.com> - 2014-10-01 21:57 -1000
                Re: Metrics on stack usage Paul Rubin <no.email@nospam.invalid> - 2014-10-02 01:20 -0700
                Re: Metrics on stack usage Bernd Paysan <bernd.paysan@gmx.de> - 2014-10-02 15:59 +0200
                Re: Metrics on stack usage Paul Rubin <no.email@nospam.invalid> - 2014-10-02 19:29 -0700
                Re: Metrics on stack usage albert@spenarnc.xs4all.nl (Albert van der Horst) - 2014-10-03 15:03 +0000
                Re: Metrics on stack usage Bernd Paysan <bernd.paysan@gmx.de> - 2014-10-05 02:27 +0200
                Re: Metrics on stack usage Paul E Bennett <Paul_E.Bennett@topmail.co.uk> - 2014-10-05 09:22 +0100
                Re: Metrics on stack usage hughaguilar96@yahoo.com - 2014-09-23 19:36 -0700
                Re: Metrics on stack usage hughaguilar96@yahoo.com - 2014-09-24 13:40 -0700
  Re: Metrics on stack usage albert@spenarnc.xs4all.nl (Albert van der Horst) - 2014-09-16 17:06 +0000
  Re: Metrics on stack usage "Elizabeth D. Rather" <erather@forth.com> - 2014-09-16 07:43 -1000
    Re: Metrics on stack usage Walter Banks <walter@bytecraft.com> - 2014-09-16 15:04 -0400
      Re: Metrics on stack usage "Elizabeth D. Rather" <erather@forth.com> - 2014-09-16 09:34 -1000
        Re: Metrics on stack usage Walter Banks <walter@bytecraft.com> - 2014-09-17 17:30 -0400
          Re: Metrics on stack usage "Elizabeth D. Rather" <erather@forth.com> - 2014-09-17 12:42 -1000
            Re: Metrics on stack usage anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-09-18 11:33 +0000
              Re: Metrics on stack usage "Elizabeth D. Rather" <erather@forth.com> - 2014-09-18 11:53 -1000
                Re: Metrics on stack usage Mark Wills <markwills1970@gmail.com> - 2014-09-19 01:14 -0700
                Re: Metrics on stack usage Andrew Haley <andrew29@littlepinkcloud.invalid> - 2014-09-19 03:32 -0500
                Re: Metrics on stack usage anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-09-19 12:41 +0000
                Re: Metrics on stack usage Andrew Haley <andrew29@littlepinkcloud.invalid> - 2014-09-19 12:14 -0500
                Re: Metrics on stack usage anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-09-20 15:41 +0000
                Re: Metrics on stack usage mhx@iae.nl - 2014-09-19 12:31 -0700
                Re: Metrics on stack usage anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-09-21 12:59 +0000
                Re: Metrics on stack usage anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-09-19 12:05 +0000
              Re: Metrics on stack usage Roelf Toxopeus <rt4all@notthis.hetnet.nl> - 2014-09-21 07:44 +0200
  Re: Metrics on stack usage Matthias Koch <matthias.koch@hot.uni-hannover.de> - 2014-09-17 11:10 +0200
  Re: Metrics on stack usage stephen@mpeforth.com - 2014-09-17 14:20 -0700
    Re: Metrics on stack usage Walter Banks <walter@bytecraft.com> - 2014-09-17 17:41 -0400
      Re: Metrics on stack usage Paul Rubin <no.email@nospam.invalid> - 2014-09-17 16:44 -0700
        Re: Metrics on stack usage albert@spenarnc.xs4all.nl (Albert van der Horst) - 2014-09-18 10:26 +0000
          Re: Metrics on stack usage Celeros <kerneels@gmail.com> - 2014-09-19 00:12 +0200
            Re: Metrics on stack usage rickman <gnuarm@gmail.com> - 2014-09-18 19:15 -0400
            Re: Metrics on stack usage hughaguilar96@yahoo.com - 2014-09-18 17:14 -0700
              Re: Metrics on stack usage stephen@mpeforth.com - 2014-09-19 02:59 -0700
                Re: Metrics on stack usage hughaguilar96@yahoo.com - 2014-09-19 12:20 -0700
                Re: Metrics on stack usage stephen@mpeforth.com - 2014-09-20 09:04 -0700
                Re: Metrics on stack usage hughaguilar96@yahoo.com - 2014-09-29 18:08 -0700
                Re: Metrics on stack usage "Rod Pemberton" <buzzoff@nonamewhichexists.cmm> - 2014-09-30 04:33 -0400
                Re: Metrics on stack usage hughaguilar96@yahoo.com - 2014-10-01 19:30 -0700
                Re: Metrics on stack usage albert@spenarnc.xs4all.nl (Albert van der Horst) - 2014-09-30 11:24 +0000
                Re: Metrics on stack usage Mark Wills <markwills1970@gmail.com> - 2014-09-30 10:55 -0700
                Re: Metrics on stack usage hughaguilar96@yahoo.com - 2014-09-30 18:39 -0700
                Re: Metrics on stack usage Mark Wills <markwills1970@gmail.com> - 2014-10-01 01:44 -0700
                Re: Metrics on stack usage Andrew Haley <andrew29@littlepinkcloud.invalid> - 2014-10-01 03:57 -0500
                Re: Metrics on stack usage hughaguilar96@yahoo.com - 2014-10-01 18:45 -0700
                Re: Metrics on stack usage "Rod Pemberton" <buzzoff@nonamewhichexists.cmm> - 2014-10-02 07:53 -0400
                Re: Metrics on stack usage G Smith <do.not.use@tectimco.com> - 2014-10-02 13:22 +0100
                Re: Metrics on stack usage "Elizabeth D. Rather" <erather@forth.com> - 2014-10-02 08:36 -1000
                Re: Metrics on stack usage hughaguilar96@yahoo.com - 2014-10-02 15:34 -0700
            Re: Metrics on stack usage anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-09-19 12:08 +0000
              Re: Metrics on stack usage "Rod Pemberton" <buzzoff@nonamewhichexists.cmm> - 2014-09-19 18:58 -0400
                Re: Metrics on stack usage "Elizabeth D. Rather" <erather@forth.com> - 2014-09-19 13:28 -1000
                Re: Metrics on stack usage "Rod Pemberton" <buzzoff@nonamewhichexists.cmm> - 2014-09-19 19:57 -0400
                Re: Metrics on stack usage anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-09-21 13:09 +0000
              Re: Metrics on stack usage Celeros <kerneels@gmail.com> - 2014-09-20 13:27 +0200
                Re: Metrics on stack usage rickman <gnuarm@gmail.com> - 2014-09-20 08:04 -0400
                Re: Metrics on stack usage Andrew Haley <andrew29@littlepinkcloud.invalid> - 2014-09-20 08:55 -0500
                Re: Metrics on stack usage rickman <gnuarm@gmail.com> - 2014-09-20 15:01 -0400
                Re: Metrics on stack usage Andrew Haley <andrew29@littlepinkcloud.invalid> - 2014-09-20 17:34 -0500
                Re: Metrics on stack usage rickman <gnuarm@gmail.com> - 2014-09-20 19:15 -0400
                Re: Metrics on stack usage Andrew Haley <andrew29@littlepinkcloud.invalid> - 2014-09-21 03:34 -0500
                Re: Metrics on stack usage rickman <gnuarm@gmail.com> - 2014-09-21 06:57 -0400
                Re: Metrics on stack usage Andrew Haley <andrew29@littlepinkcloud.invalid> - 2014-09-21 07:31 -0500
                Re: Metrics on stack usage rickman <gnuarm@gmail.com> - 2014-09-21 18:04 -0400
                Re: Metrics on stack usage Paul Rubin <no.email@nospam.invalid> - 2014-09-21 15:17 -0700
                Re: Metrics on stack usage rickman <gnuarm@gmail.com> - 2014-09-21 18:49 -0400
                Re: Metrics on stack usage Paul Rubin <no.email@nospam.invalid> - 2014-09-21 15:57 -0700
                Re: Metrics on stack usage rickman <gnuarm@gmail.com> - 2014-09-21 19:47 -0400
                Re: Metrics on stack usage Andrew Haley <andrew29@littlepinkcloud.invalid> - 2014-09-22 02:58 -0500
                Re: Metrics on stack usage rickman <gnuarm@gmail.com> - 2014-09-22 05:28 -0400
                Re: Metrics on stack usage albert@spenarnc.xs4all.nl (Albert van der Horst) - 2014-09-21 11:24 +0000
                Re: Metrics on stack usage rickman <gnuarm@gmail.com> - 2014-09-21 07:55 -0400
                Re: Metrics on stack usage Coos Haak <chforth@hccnet.nl> - 2014-09-20 14:57 +0200
                Re: Metrics on stack usage anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-09-20 15:22 +0000
                Re: Metrics on stack usage anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-09-20 15:25 +0000
                Re: Metrics on stack usage rickman <gnuarm@gmail.com> - 2014-09-20 15:08 -0400
                Re: Metrics on stack usage Andrew Haley <andrew29@littlepinkcloud.invalid> - 2014-09-20 17:38 -0500
                Re: Metrics on stack usage rickman <gnuarm@gmail.com> - 2014-09-20 19:19 -0400
                Re: Metrics on stack usage Andrew Haley <andrew29@littlepinkcloud.invalid> - 2014-09-21 03:35 -0500
                Re: Metrics on stack usage rickman <gnuarm@gmail.com> - 2014-09-21 07:00 -0400
                Re: Metrics on stack usage Celeros <kerneels@gmail.com> - 2014-09-22 08:54 +0200
                Re: Metrics on stack usage rickman <gnuarm@gmail.com> - 2014-09-22 03:26 -0400
                Re: Metrics on stack usage Celeros <kerneels@gmail.com> - 2014-09-22 10:03 +0200
                Re: Metrics on stack usage rickman <gnuarm@gmail.com> - 2014-09-22 05:29 -0400
      Re: Metrics on stack usage stephen@mpeforth.com - 2014-09-19 02:53 -0700

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