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| Re: Video ram? |
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By Alexander G M Smith - Posted on August 19, 2005 - 14:35:46 (#17498)
Current version when comment was posted: 1.1 |
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It would be really awkward to use video RAM. Somehow it would have to wrest control of video RAM from the video drivers, since most drivers assume they are the only ones using the video board. As well, it wouldn't have the advantage of using the BeOS virtual memory system, so the size would be limited to the video board. I guess the best way to do it would be to hack up a video driver to also simulate a RAM device to make the extra memory available to BeOS.
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| Video ram? |
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By nonne - Posted on August 16, 2005 - 23:36:39 (#17486)
Current version when comment was posted: 1.1 |
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Is it possible to use video ram? If not now then maybe in the future?
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| Speed your apps and a hope for another use. |
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By jefro - Posted on December 17, 2002 - 00:31:16 (#4835)
Current version when comment was posted: 1.1 |
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I used to use a Ram Drive a long time ago in dos to really speed up applications if used to run apps out of. The Mozilla users should use this to perk up Mozilla.
Anyway I will play with this to see if the makebootfloppy -cd option can be used to store the files and then run it from floppy. I think I can, I think I can, I think I can.
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| Booting from RAM Disk - Difficult |
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By Alexander G M Smith - Posted on December 16, 2002 - 17:53:28 (#4822)
Current version when comment was posted: 1.1 |
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You can't boot from the RAM disk since it isn't part of the kernel on the boot floppy (and would be hard to add, though perhaps OpenBeOS could have it). But it can be used later on in the boot sequence, perhaps as a place for NetPositive's cache (add a symbolic link in place of the original NetPositive directory) or for PineApple News news article storage (which is what I do). It even automatically loads the RAM disk contents from a compressed image file, and saves them when the computer shuts down.
It's OK with me if the newer distros set up a RAM disk like that.
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| Can this be used to soak up ram? |
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By jefro - Posted on December 16, 2002 - 04:04:13 (#4808)
Current version when comment was posted: 1.1 |
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There was a suggestion by another BeOS user (think mmu_man?)to use a ram disk to use up the RAM over 500meg on systems with a lot of ram. Could this be modified to run at boot from a bootdisk. If not maybe the newer distros like max and beosonline could add this to an iso that could test for ram and input the size over 500meg?? What do you think?
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| Bug with Big RAM Disks |
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By Alexander G M Smith - Posted on December 11, 2002 - 04:57:10 (#4705)
Current version when comment was posted: 1.1 |
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There seems to be a bug in BeOS's create_area (the kernel call which allocates virtual memory, which all other memory systems are built on). If it takes a long time to do its job, other threads trying to allocate memory will get failures returned to them. So, if your networking software mysteriously doesn't work when you make your RAM disk a few hundred megabytes big, this could be it. My temporary solution is to add a time delay before it allocates memory (so that other startup tasks have time to finish). If there's enough demand, I'll add a configuration parameter and docs and upload it here.
- Alex
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| perfect app for "power"users and computers with slow hard drives and enough ram |
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By glaf - Posted on May 15, 2001 - 03:36:32 (#289)
Current version when comment was posted: 1.1 |
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put in your most used apps and disk-caches (like pinappledata, net+cache or downloads-directory) and you´ll see your system fly !
extremely useful because of the option to save (and compress) the ramdisk when ejecting.
easy to install - check it out.
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