At 04:28 PM 7/3/2001 +0100, Dave Mitchell wrote:
>By the way, the _Garbage Collection_ book is very worthy, but like
>Neitsche, "it gets a bit boring after a while." [*]
Truer words were never said. The table of contents could almost read:
.
.
.
Chapter 6: Same as chapter 5, only different
Chapt
Graham Barr <[EMAIL PROTECTED]> wrote:
> Ouch. I have quite often had applications that would use several hundred MB
> now. If I would need double that, then that is going to hurt. I am not
> familiar with copying collector GC, does anyone have a pointer to any
> papers etc.
The basic operation o
Here's a reference to the Bartlett 'mostly-copying' GC collector.
ftp://gatekeeper.dec.com/pub/DEC/WRL/research-reports/WRL-TR-88.2.pdf
Hans Boehm also has a decent GC reference page with links to Bartlett's, but
his GC is mark/sweep.
http://www.hpl.hp.com/personal/Hans_Boehm/gc/index.html
Grant M
At 03:18 PM 7/3/2001 +0100, Graham Barr wrote:
>On Tue, Jul 03, 2001 at 10:15:02AM -0400, Uri Guttman wrote:
> > > "DS" == Dan Sugalski <[EMAIL PROTECTED]> writes:
> >
> > DS> We're going to use a copying collector. When the string gets
> > DS> copied as part of a compaction run things'll
At 10:15 AM 7/3/2001 -0400, Uri Guttman wrote:
> > "DS" == Dan Sugalski <[EMAIL PROTECTED]> writes:
>
> DS> We're going to use a copying collector. When the string gets
> DS> copied as part of a compaction run things'll get cleaned up
> DS> appropriately. (Not that there's really any cle
On Tue, Jul 03, 2001 at 10:15:02AM -0400, Uri Guttman wrote:
> > "DS" == Dan Sugalski <[EMAIL PROTECTED]> writes:
>
> DS> We're going to use a copying collector. When the string gets
> DS> copied as part of a compaction run things'll get cleaned up
> DS> appropriately. (Not that there's
> "DS" == Dan Sugalski <[EMAIL PROTECTED]> writes:
DS> We're going to use a copying collector. When the string gets
DS> copied as part of a compaction run things'll get cleaned up
DS> appropriately. (Not that there's really any cleanup to do in that
DS> case) Granted the destination s
At 06:16 PM 7/2/2001 -0400, Uri Guttman wrote:
> > "DS" == Dan Sugalski <[EMAIL PROTECTED]> writes:
>
> DS> At 09:07 PM 7/2/2001 +0100, Graham Barr wrote:
> >> I for one use s/^...// quite often in the knowledge that it is
> optimized to
> >> just move a pointer and not cause a copy of
> "DS" == Dan Sugalski <[EMAIL PROTECTED]> writes:
DS> At 09:07 PM 7/2/2001 +0100, Graham Barr wrote:
>> I for one use s/^...// quite often in the knowledge that it is optimized to
>> just move a pointer and not cause a copy of the string.
DS> We'll still be doing that. (The leftover
At 09:19 PM 7/2/2001 +0100, Graham Barr wrote:
>On Mon, Jul 02, 2001 at 04:12:31PM -0400, Dan Sugalski wrote:
> > At 09:07 PM 7/2/2001 +0100, Graham Barr wrote:
> > >On Mon, Jul 02, 2001 at 03:52:34PM -0400, Dan Sugalski wrote:
> > > > At 08:36 PM 7/2/2001 +0100, Simon Cozens wrote:
> > > > >On Mo
On Mon, Jul 02, 2001 at 04:12:31PM -0400, Dan Sugalski wrote:
> At 09:07 PM 7/2/2001 +0100, Graham Barr wrote:
> >On Mon, Jul 02, 2001 at 03:52:34PM -0400, Dan Sugalski wrote:
> > > At 08:36 PM 7/2/2001 +0100, Simon Cozens wrote:
> > > >On Mon, Jul 02, 2001 at 03:00:54PM -0400, Dan Sugalski wrote:
At 09:07 PM 7/2/2001 +0100, Graham Barr wrote:
>On Mon, Jul 02, 2001 at 03:52:34PM -0400, Dan Sugalski wrote:
> > At 08:36 PM 7/2/2001 +0100, Simon Cozens wrote:
> > >On Mon, Jul 02, 2001 at 03:00:54PM -0400, Dan Sugalski wrote:
> > > > >what about starting offset? that is used now to shorten a st
On Mon, Jul 02, 2001 at 03:52:34PM -0400, Dan Sugalski wrote:
> At 08:36 PM 7/2/2001 +0100, Simon Cozens wrote:
> >On Mon, Jul 02, 2001 at 03:00:54PM -0400, Dan Sugalski wrote:
> > > >what about starting offset? that is used now to shorten a string from
> > > >the left side.
> > >
> > > D'oh! In.
At 08:36 PM 7/2/2001 +0100, Simon Cozens wrote:
>On Mon, Jul 02, 2001 at 03:00:54PM -0400, Dan Sugalski wrote:
> > >what about starting offset? that is used now to shorten a string from
> > >the left side.
> >
> > D'oh! In. Out goes the unused.
>
>Whoa there. Do we still actually want to do this?
On Mon, Jul 02, 2001 at 03:00:54PM -0400, Dan Sugalski wrote:
> >what about starting offset? that is used now to shorten a string from
> >the left side.
>
> D'oh! In. Out goes the unused.
Whoa there. Do we still actually want to do this? It's unclear whether
or not it's actually a net win.
--
> "DS" == Dan Sugalski <[EMAIL PROTECTED]> writes:
>> Rationale: it burns my eyes to have a mix of names with and
>> without underscores.
DS> And it means no shift key needed.
from too many years of typing -> and foo_bar, i have my emacs map _ to -
and vise versa. so i can type foo_b
At 02:48 PM 7/2/2001 -0400, Uri Guttman wrote:
> > "DS" == Dan Sugalski <[EMAIL PROTECTED]> writes:
[Typos and dropped phrases snipped]
Fixed, thanks.
>what about starting offset? that is used now to shorten a string from
>the left side.
D'oh! In. Out goes the unused.
At 01:53 PM 7/2/2001 -0500, Jarkko Hietaniemi wrote:
>Good thinking to leave space for future expansion. (A UV is
>guaranteed to be enough to hold a pointer, right?)
Yes, but we just lost it to the starting offset.
> > DS> }
>
>Rationale: it burns my eyes to have a mix of names with and
>wi
Silly stylistic nit:
> DS> struct perl_string {
> DS> void *string_buffer;
buffer
> DS> UV allocated;
> DS> UV byte_length;
bytes
> DS> UV flags;
> DS> UV character_length;
characters
> DS> UV encoding;
> DS> UV type;
> DS> UV unused;
Goo
> "DS" == Dan Sugalski <[EMAIL PROTECTED]> writes:
DS> The string header format has changed some to allow for type
DS> tagging. The flags infor for strings has changed as well.
^
DS> =head1 DESCRIPTION
DS> This PDD details the primitive datatypes that th
This is going to be the final version, unless someone can see something stupid
in it. The only changes from version 1.1 are to the string stuff. Ask, could
you link this on to the PDD page of dev.perl.org, please?
=head1 TITLE
Perl's internal data types
=head1 VERSION
1.2
=head2 CURRENT
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