[RC5] OGR motivations/achievements in general

blitz blitz at macronet.net
Thu Oct 10 17:37:22 EDT 2002


Ok, as long as theres some good to the crunching, I'll keep my clients 
online...thanks for the explanation.

At 17:33 10/9/02 -0500, you wrote:
>No, what you're running now is not a waste of time.  As I mentioned in
>my third paragraph, we are doing what we can to avoid handing out work
>that has already been completed once.  While roughly 60% of the work we
>hand out is finished each time through, that means about 40% is not
>completed.
>
>There is no client available today which is not vulnerable to the
>truncation bug.  However, every client since about 463 (?) can do work
>which is believed to be useful for Pass 1.  When a "fixed" OGR client is
>released, it will be used to confirm or discard Pass 1 work.  Until we
>get that client out, we are stuck on Pass 1, but Pass 1 is not done yet
>either.
>
>
>__
>Bruce Wilson <bwilson at distributed.net>
>PGP KeyID: 5430B995, http://www.toomuchblue.com/
>
>Build a man a fire and he'll be warm for a day.
>Set a man on fire, he'll be warm for the rest of his life.
>
>
>
>
>| -----Original Message-----
>| From: owner-rc5 at lists.distributed.net
>| [mailto:owner-rc5 at lists.distributed.net] On Behalf Of blitz
>| Sent: Wednesday, October 09, 2002 15:43
>| To: rc5 at lists.distributed.net
>| Subject: RE: [RC5] OGR motivations/achievements in general
>|
>|
>| Woah..you mean what we're running client wise is a waste of time?
>| The latest clients? Is there a "proper" one for Linux and
>| Windoze available
>| that IS ok to use?
>|
>| I'd rather not have to revisit all the machines in my lan to
>| change until
>| we've got a keeper for a client.
>| Looks like Ive got to visit them now and shut them down, I
>| don't think I
>| want to have them running defective output that will be
>| discarded anyway.
>|
>| Is .473 ok?
>|
>|
>|
>| At 13:45 10/9/02 -0500, you wrote:
>| >Because of the nature of the bug, if the ruler is truncated once, it
>| >will be truncated every time.  Unfortunately, this means we will be
>| >discarding essentially all 2nd pass work with existing
>| clients.  (sigh -
>| >I hate giving bad news).
>| >
>| >Again, this is to the best of my knowledge - I am not a
>| coder for OGR,
>| >and I don't know all the details, I am merely echoing what I
>| understand
>| >from discussions on IRC.
>| >
>| >We have from time to time gone over the work received and updated the
>| >keymaster's maps for which workunits have not yet been
>| received, in an
>| >effort to make the most of the work being handed out.  (No
>| sense handing
>| >it out again if we already have one apparently valid
>| result).  Like our
>| >other projects, the new-work-return rate has declined and the
>| >duplicate-work rate has increased the closer we get to the end, but
>| >there is still a significant percentage of work not yet received back
>| >for the first time.
>| >
>| >
>| >__
>| >Bruce Wilson <bwilson at distributed.net>
>| >PGP KeyID: 5430B995, http://www.toomuchblue.com/
>| >
>| >Build a man a fire and he'll be warm for a day.
>| >Set a man on fire, he'll be warm for the rest of his life.
>| >
>| >
>| >| -----Original Message-----
>| >| From: owner-rc5 at lists.distributed.net
>| >| [mailto:owner-rc5 at lists.distributed.net] On Behalf Of Jeff Leigh
>| >| Sent: Wednesday, October 09, 2002 01:34
>| >| To: rc5 at lists.distributed.net
>| >| Subject: Re: [RC5] OGR motivations/achievements in general
>| >|
>| >|
>| >| I understand the need to verify the current results with
>| the new (as
>| >| yet unavailable) client, but it seems like you should already have
>| >| gotten thru all the stubs several times over by now.
>| >|
>| >| Here is Dave Avery's .plan file from 2000:
>| >|
>| >| :: 23-Sep-2000 04:14 (Saturday) ::
>| >|
>| >|   OGR progress report:
>| >|
>| >| As of 23:59 22-sept-2000 there were 2,264,082 unique OGR-25 stubs
>| >| returned,
>| >| out of 12,207,683, or 14.89% complete
>| >|
>| >| As of 23:59 22-sept-2000 all but 7 unique OGR-24 stubs had
>| >| been returned
>| >| and about 49% had valid pass-2 returns
>| >|
>| >|
>| >| So over 2 years ago, OGR-24 was already half way thru the
>| second pass
>| >| and OGR-25 was already at 15% up from 9% on Sept 11th. So how many
>| >| times have these stubs been checked over with the 'broken' client?
>| >| Seems like every stub would have been checked numerous
>| times by now.
>| >|
>| >|
>| >| On Friday, October 4, 2002, at 09:16  AM, Bruce Wilson wrote:
>| >|
>| >| > Because of the verification plan we are using, we do not
>| >| expect to have
>| >| > to discard work done with current buggy clients unless the
>| >| bug affected
>| >| > the results for a given stub.  Our original plan was to
>| require two
>| >| > identical results for the same stub from different
>| >| participants.  Now
>| >| > we
>| >| > will be revising that to say that one of the results
>| must also come
>| >| > from
>| >| > a "fixed" client.  If the buggy client gives the same
>| results as the
>| >| > fixed client, the bug was not a factor.  If the buggy
>| client gives a
>| >| > different result, then we wait for a confirmation from a
>| different
>| >| > participant using the fixed client.
>| >|
>| >| --
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>| >|
>| >|
>| >
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