Jarek Poplawski <jarkao2@o2.pl> wrote:

quoted text
> > > -     load will be directed), a data dependency barrier would be required to
> > > +     load will be directed), the data dependency barrier would be required to
> > 
> > I think that should be "a".
> 
> I could only guess (it's a magic to me) - so, if it doesn't matter
> "A data ..." begins this paragraph...

I see what you mean.  I see it as "a data dependency barrier ..." though.  That
may be because I wrote the doc, however.  I wonder if "data dependency" should
be hyphenated to make it clearer.  What do you think?

quoted text
> > > -But! CPU 2's perception of P may be updated _before_ its perception of B, thus
> > > +But (!) CPU 2's perception of P may be updated _before_ its perception of B,
> > 
> > That's a matter of taste, I think.  However, if my solution is chosen, there
> > should be an extra space after "But!".  Hmmm... actually, I think you're wrong
> > because the "But!" isn't quite part of the following sentence.
> 
> It seems logical, but it's also quite unusual, so the reader (only me?) 
> could be more interested in orthography than in the subject...

I'm emphasising a really odd feature - and it's quite an important emphasis -
so I felt that this sort of construct would interrupt the reader's normal
scanning of the text and make it clearer that this was something to take
careful note of.

It's a really horrible gotcha you have to be careful of.  It's sort of against
how you'd think things would work.

quoted text
> > >  This sequence of events is committed to the memory coherence system in an order
> > >  that the rest of the system might perceive as the unordered set of { STORE A,
> > > -STORE B, STORE C } all occurring before the unordered set of { STORE D, STORE E
> > > -}:
> > > +STORE B, STORE C } - all occurring before the unordered set of { STORE D, STORE
> > > +E }:
> > 
> > Hmmm.  I don't think that a dash is correct here.  I think it changes the
> > meaning, by changing the way the elements are grouped.
> 
> Sure. But on the other hand such long questions probably are broken
> somewhere with pauses when reading...

I know what you mean, but it's tricky because of the subject.  Maybe a colon
after the "might perceive as"?

quoted text
> > I think this changes the meaning to one I don't want.  But I'm not entirely
> > sure.  In a way the two concepts "update of perception" and "update perception"
> > are different things.  I think this can be argued either way.
> 
> So, what can I say...

How about: "Aargh!  Nonono!  The English language is completely horrible!"?


David
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