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Problem with PC slowdown when hard drive is downloading/writing to disk - Have very good idea. - Page 2

post #11 of 13
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Quote:
Originally Posted by Techie007 View Post

    No, although quite a few defragmenters do make an attempt to "consolidate" most of the files toward the beginning of the disk.  However, this can randomly separate files that were originally installed in sequence or bring files closer together that were on opposite ends of the disk.  MyDefrag on the other hand, when you use the "System Disk Monthly" script, sorts the files first by system use, and the rest in alphabetical path order.  This means that all the program files for your game will be laid out one right after the other.
 
 
    It is one of the worst defragmenters, along with Auslogics and SmartDefrag.  If you want to know more about defragmentation, you can read an article I wrote last year about defragmentation here.  It also documents the results of a big defragmenter comparison (which took me almost a month to do), and why the results are exactly as expected. smile.gif

I see your tests and saw that myDefrag had the most features and the best scores. It did seem to make my system almost brand new. The last version was from May 2010, almost 4 years ago yet it is the best defragmenter. Hah.

I used myDefrag with that Monthly Script last night and it took really long but my PC seems much more responsive now.
Edited by 8800Gamer - 1/9/14 at 7:30pm
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post #12 of 13
Quote:
Originally Posted by 8800Gamer View Post

I used myDefrag with that Monthly Script last night and it took really long but my PC seems much more responsive now.

    Glad to hear it did a good job!  For it to be that noticeable on a non-OS drive that HDD must have been quite a mess! biggrin.gif
 
 
Quote:
Originally Posted by 8800Gamer View Post

I see your tests and saw that myDefrag had the most features and the best scores. It did seem to make my system almost brand new. The last version was from May 2010, almost 4 years ago yet it is the best defragmenter. Hah.

    Actually, I wrote an experimental defragmenter after being disappointed with the available defragmenters (I didn't know about MyDefrag at the time).  I wrote it based on my knowledge of file access mechanics (how the NTFS filesystem works, and the access response of HDDs in particular).  I included it in my test and it scored #1 with a score of 457 (runner-up MyDefrag scored 248).  I didn't include mine in the charts because it doesn't handle large (>250 GB) partitions well (runs out of RAM), and it is very sensitive to the drive being changed while it is operating, and I didn't want to get pestered about it. wink.gif
 
 
Quote:
Originally Posted by Bitech View Post

Which Windows OS's do your tests apply to?

    XP and up (I'd like to say earlier OSes too, but I'm not sure about the Prefetch data in Windows 2000 or older versions of Windows NT).
    The example given in my article (performance gain timewise) was with Windows XP, since it was (and still is) the easiest to handle.  I ran into great difficulties trying to get Windows 7 to give me consistent readings because of Superfetch.  My attempts at disabling Superfetch usually would cripple ReadyBoot, causing the system to take ~2.5 minutes to boot (the same system booted Windows XP in 22–38 seconds).  I'm certain it can be done, but after taking a month to do the first test and then running into difficulties with 7 and losing a system, I was too busy to continue.  Either way, the concepts of fragmentation hold true regardless of the OS, since fragmentation is a filesystem issue.  The concepts of file layout also hold true regardless of the OS, since file access patterns are based on the software you're using on the PC (Windows gives the same prefech and layout.ini file usage statistics for your computer and software from at least XP all the way to 8.1).  SSDs change the story a little bit since they handle random reads so quickly, although a speed increase can be seen there too if the NTFS filesystem is in a big enough mess.
    In all, my attempt and rationale behind using Windows XP was to test how defragmenters perform compared to each other in I/O performance gains, not how many seconds you can shave off of your boot time in XP/7/8, or how well Superfetch works (it does work well). smile.gif
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post #13 of 13
Thread Starter 
What does iaStor - OK mean? I know of msahci - OK also in AS SSD...?

I see Intel(R) Desktop/Workstation/Server Express Chipset SATA AHCI Controller in Device Manager.

Does this mean BOTH my SSD and HDD are in AHCI mode?

But I see IDE and ATA Channels 0 and 1... ?

How do I know which controller my HDD/SSD are connected too? Maybe that also plays something in performance too.

http://i.cubeupload.com/D2B623.png
Edited by 8800Gamer - 1/10/14 at 5:01pm
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