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Questions tagged [prefetch]

18 questions
11
votes
2 answers

Any solid reason to turn off Superfetch and Prefetch for SSD?

Microsoft or other places suggest to turn off SuperFetch if you use SSD, like this one: http://support.microsoft.com/kb/2727880 But with SuperFetch and Prefetch: There isn't any access write to SSD involve, while access read for SSD suppose to be…
laughingthunder
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9
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5 answers

Should I enable or disable Prefetch/SuperFetch with my new SSD?

I recently got a new Samsung SSD. It comes with software called "Samsung Magician". Basically it lets you configure things with your new SSD. I'm really confused about Prefetch/SuperFetch though. This is an image of the "General overview": When I…
Jon
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7
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1 answer

SSD and monitoring writing to C:\Windows\Prefetch\ReadyBoot\ReadyBoot.etl

I have been monitoring write activity to the following file. C:\Windows\Prefetch\ReadyBoot\ReadyBoot.etl Since I have Windows 7 installed on an SSD, that there would not be any readyboost activity. Why is that file being written to? I thought these…
Valamas
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3 answers

Does the /prefetch:1 argument works for any application?

I found some information about the /prefetch:1 argument on some applications, such as Microsoft Word and Excel. You add this argument to a shortcut that points to these apps. If I add that to the shortcuts for some non-Microsoft programs, will I get…
Diogo
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4
votes
1 answer

Should I be worried about my Prefetch/SuperFetch settings in Windows 7 on a SSD drive?

I just installed Windows 7 on my new OCZ Vertex 2. I heard that Win7 is optimized for use with SSDs and disables the prefetcher if one is detected, but I decided to check anyway. So I looked…
neuviemeporte
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3
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1 answer

How different instruction types are defined in AMD microprocessors to identify DirectPath vs VectorPath flows?

In AMD 10h architecture like Opteron the prefetched instructions after being aligned are separated into 2 flows: DirectPath (or Fastpath) and VectorPath (Microcode engine). Later these flows are ready for integer or floating-point execution…
val
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2
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0 answers

Why Superfetch and Prefetch on Windows 8.1 cause high disk activity on Pagefile disk?

I have an SSD running Windows 8.1 Pro x64, which only has 128GB. To leave it a little more free, I have left only 200MB of Pagefile in it. I have another HDD which has 1TB. In it, I made a new partition (mounted on P:) with 10GB. I've successfully…
Ismael Miguel
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2
votes
1 answer

Force Windows to cache executables without running them?

Is there a way to force Windows to pre-load certain EXE/DLL binaries into its prefetch/superfetch cache as if they had been executed? I have a particular application that loads pretty slowly on first run but if it's "warm" (recently executed) it…
Josh
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2
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1 answer

Have Ubuntu server prefetch and store mail for a Windows workstation?

I'd like to have my Ubuntu server (that also acts as a file and webserver) pre-fetch my mail from varying mail-accounts and have my Windows workstation fetch it from this Ubuntu server, in stead of directly from my mail providers. What would such a…
Decent Dabbler
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1
vote
2 answers

Can Windows 7 OS on harddrive use SSD for prefetch (SuperFetch)?

I have a Windows 7 computer with a primary drive being conventional 1 TB hard drive. I have installed an additional 128 GB SSD which I use to keep some of my frequently used data and applications. I have more than 64 GB of the space still free and I…
Suma
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1
vote
0 answers

Why do I need disable DNS prefetching / network prediction in Firefox, Chrome for them to be usable?

I've installed the latest Firefox and Chrome on my Windows 7 64 PC (using a wifi connection to my ADSL2+ router) recently. In both cases loading various commonly visited sites such as wikipedia, youtube, superuser etc regularly timed out with a…
Ash
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1 answer

I'm unable to enumerate prefetchable endpoint devices behind a pci-e bridge

Here is my problem: I'm unable to get BAR addressing from prefetchable end-point devices behind a pci-e bridge. Can anyone help me about that? Here is what I did until now: 1- I'm able to get address for a prefetchable pci-e device without the…
iamonur
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1
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1 answer

How to get the real cached/prefetched memory usage in Linux?

I do face the same hangs like this post: https://askubuntu.com/questions/41778/computer-freezing-on-almost-full-ram-possibly-disk-cache-problem To sums up: looks like prefetched/cached/paged RAM reclaiming takes too long, so I live in constant fear…
X.LINK
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0
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0 answers

Unable to disable the hardware prefetcher

I am trying to disable the hardware prefetcher to run some memory benchmarks on an Intel core i5 2500. The problem is that there is no option whatsoever in my BIOS to enable or disable the prefetcher. So I am trying to use msr-tools to disable the…
Thejasvi MV
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0
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1 answer

Does Windows 8 still using Windows 7's boot optimization prefetcher technique?

Windows Vista and Windows 7 have a self-optimizing feature—called the boot prefetcher—that uses the disk I/O pattern from the previous boots to predict the I/O pattern of the next boot. To improve boot performance, the prefetcher predicts what data…
Diogo
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