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Recent Posts

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6626
DJMusic: we're talking application memory leaking here, not "can it get through my firewall" testing.
6627
Living Room / Re: these new cheap core 2 due laptops - any good?
« Last post by f0dder on October 20, 2007, 05:55 AM »
gaming isn't a concern but heat and battery life would be important. saying vista isn't nice on them makes me wonder if that means they feel sluggish or just look a bit nasty.
Look fine, and smooth enough once started, but feels too heavy - but I feel the same running Vista on my AMD64x2 4400+/2gig/GF7600. I chose the standard battery pack for the lenovos (higher cell-count ones are available), last around an hour and a half doing real work.
6628
Living Room / Re: these new cheap core 2 due laptops - any good?
« Last post by f0dder on October 20, 2007, 05:22 AM »
The machines themselves are nice (I bought two Lenovo v100 (iirc) for the museum), but Vista isn't nice on them - and battery life wasn't all that hunkydory on the Lenovos. Fair amount of computing power, no-good-for-gaming graphics, not-too-bad heat.
6629
Living Room / Re: Versioning of files
« Last post by f0dder on October 20, 2007, 05:03 AM »
Oh, didn't know there was a commercial product... at a glance it doesn't seem to offer stuff Ankh doesn't - I wonder if it might even be a blatant rip-off :)
6630
steeladept: that would be a useful use of embedded linux, but it's hardly the aim of the specific board, since it's a pretty costly high-end/enthusiast board...
6631
Living Room / Re: Versioning of files
« Last post by f0dder on October 19, 2007, 06:40 PM »
I'd still set up svnserve even for single-developer use on a single machine, though, and set up DNS entries - that makes it easier to move the repository to a server later on.

I'm not sure how it would make it any easier (or harder) to move. There is no difference in how you move a repository. svandmin dump/load

Simple - after you move the repository (which can either involve dump+load or moving the physical files), you simply update the DNS entry... if you hadn't done this, you'd need to change the repository URL for each of your projects.

nosh: by Visual SVN, do you mean Ankh? Friend of mine has had bad problems with it, and I've had some minor glitches myself - plus it slows down VS startup time humongously.

6632
Living Room / Re: Windows performance tips in one spot
« Last post by f0dder on October 19, 2007, 06:38 PM »
The thing you get from the 10k raptors are smaller/faster seek time - transfer-rate wise, regular 7200rpm drives are just as fast (and some are even faster) these days.

For my next system, I want to set up intel raid matrix - it's really sweet that it can do BOTH mirror and stripe on the same two disks (big mirror for storage, smaller stripe for disk-intensive operations).
6633
Living Room / Re: Versioning of files
« Last post by f0dder on October 19, 2007, 02:16 AM »
A lot of people gripe about VSS, and afaik it isn't even used internally at Microsoft (at least not for the larger parts like the kernel - they have something else for that). I've heard more than one tale about database corruption etc.

In my experience, subversion adds very little overhead in single-developer projects - the initial repository-creation doesn't take long, and after that it's basically just committing your files (in one go) and writing a changelog when you've made enough changes; this is something you should be doing anyway :)

Oh, and you don't need to set up a subversion server, it can operate directly with file:// URLs; I'd still set up svnserve even for single-developer use on a single machine, though, and set up DNS entries - that makes it easier to move the repository to a server later on.
6634
Living Room / Re: Windows performance tips in one spot
« Last post by f0dder on October 18, 2007, 05:09 PM »
One thing that made a beeg difference for me: allowing Windows to create multiple page files on separate harddrives.  It's tempting to pick your fastest drive and use that (disabling all others) but after I let Windows handle it I ended up with four pagefiles and less thrashing.
-Ralf Maximus
Good idea, although you have to keep your pagefiles on separate physical drives, not partitions.

No matter how much RAM you have, some (older?) software malfunctions if there is no pagefile, generating messages like "low on virtual memory".  Do this with one with caution.
-Ralf Maximus
I haven't experienced that myself, but I did find that a few apps were too memory hungry for their own good back when I "only" had 1gig. But it could very well happen, probable cause would be bad use of memory mapped files, and I certainly wouldn't recommend no-pagefile on less than 1gig.

Gosh, that sounds pornographic.
-Ralf Maximus
BIG grin :D

Half-stroking sounds like an interesting idea, I'm not sure if it makes much of a difference if you keep your partitions (and the MFTs!) defragmented, though? I do have my 74gig raptor partitioned: 16gig for windows+apps, 4gig for source/docs, 50gig for things like games, "scratchpad", etc.

Putting two raptors in raid-stripe would certainly fly, but I'm not a fan of striping. A mirror would be nice as well, unless your raid controller is so retarded it doesn't do read-striping (hello, nForce4).
6635
Living Room / Re: How much RAM do you have on your PC?
« Last post by f0dder on October 18, 2007, 05:03 PM »
Darwin: when I was on my 1gig machine, I still felt that windows utilized the pagefile when it didn't need to. Nothing major, but it annoyed me - although with LargeSystemCache=1 and DisablePagingExecutive=1, the speed hit wasn't too bad (it annoyed me, but would probably be hard to benchmark objectively).

There were a few times on 1gig when pagefile was required, but haven't experienced it after going to 2 gigs.
6636
Living Room / Re: How much RAM do you have on your PC?
« Last post by f0dder on October 18, 2007, 09:56 AM »
With 2 gigs I haven't bumped into problems running without pagefile - but I don't use photoshop, video editing, or heavy 3D rendering. I do mess a slight bit with paint shop pro, I build projects with visual studio, and play some (even recent) games, though.
6637
Living Room / Re: How much RAM do you have on your PC?
« Last post by f0dder on October 18, 2007, 09:14 AM »
Darwin: keep in mind that Task Manager's "Available Memory" meter doesn't take into account that it can simply drop filesystem cache... so only having 70 megs "free" isn't a problem if there's several hundred megabytes used for the filesystem cache. And I doubt the "ram optimizers" take this into account...

So you're right, one shouldn't obsess about those numbers. And one should use Process Explorer which has better & more accurate meters than MS taskmgr.
6638
Living Room / Re: Windows performance tips in one spot
« Last post by f0dder on October 18, 2007, 04:27 AM »
Ugh... some of them actually do something, some others... well... I know certain someone who is going to get crazy about those, and one in particular ;D
* f0dder waves :P

EDIT: here's the list ;)

"DISABLE INDEXING SERVICES" - good idea if you don't need it. Mainly to avoid the harddrive access, though.

"OPTIMISE DISPLAY SETTINGS" - not something that gains you a lot on even rather dated hardware, it's more of a subjective preference thing.

"DISABLE PERFORMANCE COUNTERS" - yeah sure, if you want programs randomly breaking, without really gaining anything.

"SPEEDUP FOLDER BROWSING" - I do this, it can indeed help a bit when browsing network shares... especially if there's a lot of computers in your workgroup.

"IMPROVE MEMORY USAGE" - mjah. You used to be able to get a lot of performance by tweaking the cache settings on Win9x, but I dunno about NT. "LargeSystemCache" if you have the RAM and aren't using ATI video drivers, but those "free up RAM" apps are snake oil.

"OPTIMISE YOUR INTERNET CONNECTION" - never been able to feel performance increase by this, but perhaps it works on dialup connections?

"OPTIMISE YOUR PAGEFILE" - everybody has an opinion on this, and most people are wrong :). Simply monitor your pagefile usage doing the work you usually do, and see how often it's actually used. Set a somewhat-higher minimum limit (to avoid fragmentation), and don't set a max settting (to avoid running out of paging space). Or get enough RAM and disable the pagefile completely.

"RUN BOOTVIS - IMPROVE BOOT TIMES" - never played with it myself, but Microsoft claims it's only really meant as a tracing tool, and that XP does optimization itself.

"REMOVE THE DESKTOP PICTURE" - heh.

"REMOVE FONTS FOR SPEED" - true, don't keep a gazillion fonts installed that you don't need - add/remove additional fonts as needed.

"DISABLE UNNECESSARY SERVICES" - good advice, but be careful what you disable... not sure everything on his list is a good idea for everybody.

"TURN OFF SYSTEM RESTORE" - dunno if this is good advice for regular people. I personally don't use system restore, I tend to do reinstalls instead. But it's been a nice thing when fixing other people's computers.

"DEFRAGMENT YOUR PAGEFILE" - no, don't defragment it, make sure it never gets fragmented... it's all about setting a high minimum size. Heck, even with yesterdays harddrives, how much is 2 gigabytes?

"SPEEDUP FOLDER ACCESS - DISABLE LAST ACCESS UPDATE" - indeed. Especially if you often search through your entire drive, not using an indexed searcher, this is noticable. And how many people need "last-accessed" timestamp? (This doesn't turn off last-modified, which is useful).

"DISABLE SYSTEM SOUNDS" - heh.

"IMPROVE BOOT TIMES" - *shrug*. As far as I've been tell, most boottime is spent in device initialization, rather than disk I/O. Moving from a slow disk to a 10k rpm raptor drive did speed up booting a bit, but not very much (application loading times are another matter, though :)).

"IMPROVE SWAPFILE PERFORMANCE" - sure, if you're running Win9x. This has no effect on NT.

"MAKE YOUR MENUS LOAD FASTER" - heh.

"MAKE PROGRAMS LOAD FASTER" - /prefetch:1? Heh.

"IMPROVE XP SHUTDOWN SPEED" - bad idea blindly applying this advice... some applications take a bit of time to shut down, yeah... and some of those applications are actually doing useful stuff, like flushing data to disk, whatever. Sounds like a goooood idea to kill those off after very short timeouts?

"SPEED UP BOOT TIMES I" - eh, "checking temp and history folders" on startup? Never seen windows do that. And the tip uses hardcoded folders, which is bad - if you really want to do this, use "%HOMEPATH%\Local Settings\History", %TEMP% and %TMP%.

"SPEED UP BOOT TIMES II" - doesn't save you much time, but sure.

"SPEED UP BOOT TIMES III" - bad advice to give generically, I can imagine the horror if end-users start doing this on corporate networks (not that people should have admin privileges on corporate networks, but...). And it's not like DHCP takes much time unless you're on a really badly configured network.

"FREE UP MEMORY" - no, no, no and NO! Snake oil, and can actually degrade performance.

"ENSURE XP IS USING DMA MODE" - yep. Sometimes XP reverts to PIO mode though, which indicates either that a drive is dying, or that you've been using very scratched optical media. Google for "xp reverts to pio". Iirc 2k defaulted to PIO mode for optical drives, btw.

"ADD CORRECT NETWORK CARD SETTINGS" - the 'advanced' tab has device-specific settings. My device doesn't have a "connection type" setting, go figure. Some NICs have settings that it makes sense to tweak, others don't.

"REMOVE ANNOYING DELETE CONFIRMATION MESSAGES" - not good advice for end-users, and not a speedup.

"DISABLE PREFETCH ON LOW MEMORY SYSTEMS" - buy more memory, it's cheap :)
6639
General Software Discussion / Re: The Next Leap for Linux
« Last post by f0dder on October 18, 2007, 04:21 AM »
Semi-related is David Pogue's article on OLPC. And whatever you do, don't miss Pogue's video — it's great.

Unless Microsoft is going to start giving away Windows, then more than a billion new computer users around the globe will be using GNU/Linux. Microsoft won't lose it dominance, but at least it will no longer be first-choice by default.
Will it change the scenario outside the third-world countries, though?
6640
Does anybody have a real explanation why move/copy is slow and has the out-of-memory bug?
6641
Heh doh, thanks - already coded my own deltree tool though :P
6642
Living Room / Re: Versioning of files
« Last post by f0dder on October 17, 2007, 03:58 PM »
Ralf Maximus: subversion (and other versioning systems) obviously won't shine until you're dealing with multiple developers per project, but after "getting into the mindset", even as as single developer I wouldn't do without subversion.

You might have some of the same functionality with your scheme, but with subversion everything is pretty easy. I can (quickly) check out any revision I want. I can "freeze" stable releases, or branch off into development releases. There are graphical tools for showing revision tree. (When using a repository server on the internet) I can check out from any machine I want to. File storage is done smartly to minimize disk usage (only differences are stored) - this is used when checking out stuff, too. I can use either commandline tools, or explorer integration.

Most of the stuff is probably doable with your system as well, you'd have to give subversion a chance and actually use it for a while before you learn to appreciate it... took me a while, even though the learning curve isn't steep.
6643
Living Room / Re: Interesting...50x Faster Than BitTorrent
« Last post by f0dder on October 17, 2007, 02:45 PM »
Well, I can think of some protocol reasons why something might be smarter than torrents - with torrent clients, you receive your chinks in more or less arbitrary order. If you want to watch stuff as-you-download, you need a more ordered stream.

But hey, I guess that should be possible to do with the BitTorrent protocol as well, especially if you have a legit content-serving network where you will always have a bunch of servers with the full files, unlike how... "other kinds" of torrents... are distributed.

Speaking of legit content delivery, I wonder wtf valve/steam doesn't use a distributed model. Okay, might not be possible to do it securely using end-user p2p (afaik the big .gcf files with game content are encrypted per-user), but they could at least distribute the workload between their content servers. When I purchased the Orange Pack, I downloaded it at <50kb/s most of the time. It would probably have been faster to get the game files pirated :)
6644
Living Room / Re: Interesting...50x Faster Than BitTorrent
« Last post by f0dder on October 17, 2007, 10:45 AM »
The bittorrent protocol seems efficient enough to me - I can, not just theoretically, grab a DVD image in ~45 minutes with my 20mbit downstream. It all has to do with how well a thing is seeded. It's a real shame that things like the university/whatever-hosted linux images don't make better use of torrents - for that kind of stuff, I can usually grab the files faster by using a download manager and getting via http or ftp.

Bittorrent also seems to scale quite well even with high-speed lines...
6645
Living Room / Re: How much RAM do you have on your PC?
« Last post by f0dder on October 17, 2007, 10:39 AM »
Well, if O&O CleverCache doesn't simply try to "maximize your free RAM" but takes over the filesystem cache, it could be a good product, since windows is a bit conservative by default...
6646
Post New Requests Here / Re: REQUEST: Picture Codyfier
« Last post by f0dder on October 17, 2007, 10:37 AM »
Cody really does exist, he's sitting on a pile of harddrives on my desk :)
omfgCodyLives.jpg
6647
Funny that DOS and Win9x had DELTREE...
6648
Living Room / Re: How much RAM do you have on your PC?
« Last post by f0dder on October 17, 2007, 09:24 AM »
1Gb here, and I seldom use more than 50%. I must say I have a good memory manager, O&O's CleverCache.
Unused RAM is wasted RAM :)
6649
Living Room / Re: How much RAM do you have on your PC?
« Last post by f0dder on October 16, 2007, 04:41 PM »
I want 4 gigs in my next system, along with a 64bit OS. Large filesystem cache, and/or a substantially sized RAM disk - :-*
6650
Living Room / Re: Use video RAM as a swap disk?
« Last post by f0dder on October 15, 2007, 06:19 PM »
Ah, makes sense - and shouldn't be too bad to code, although it would be a bit more complicated and require a bit more memory (ie., storing list of folders-to-check-later rather than processing when you find them).

Calculation of dirsizes shouldn't be too bad, a simplistic approach would be walking the tree after you're done.

Heh, I really feel like resuming work on my own file indexer now :)
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