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Hi Toni,
I repeated the first test exactly using PFS3, I think it's the one bundled with Classic WB I have here (vers5.3) http://eab.abime.net/attachment.php?...1&d=1388485832 Memory usage as you can see is very similar! |
Thanks, it is time to check PFS3 sources :)
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SFS seems to have similar memory usage, maybe a little less. When I set up CF's for 2mb Amiga's I always use FFS for this reason. Of course when you have luscious amounts of Fast Ram it isn't an issue! |
Found this:
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/* sanity checks. If HDToolbox default of 30, then 150, (MIN_BUFFERS is 10 in PFS3AIO, not 70) |
Usage is slightly better with 31 buffers, now 589032 in use however I had 80 buffers in my last test that had 620712 usage.
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Glad to see some progress and that it wasn't me being an idiot, rather some sort of problem! I can't believe I didn't notice in my real Amiga though. Maybe because I have 2MB of RAM and I never get into Workbench.
Then again i haven't tested in it again, gotta get to it once I fix this faulty picoPSU I received :mad [edit] tested on my real A600 with 1MB chip, indeed 600+KB are being eaten up! |
This must be what I ran across too. I had put my A600 away and wasn't yet able to check the exact amount of memory taken but the results here sound about the same.
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Yup sounds about right, has to be a PFS3 problem then.
Is there anything I can do to help sort out this problem? Should I switch back to FFS? (UGH) |
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I am going to debug and hopefully it can be fixed/worked around.
I have already quickly checked PFS3 sources for all memory allocations, but didn't notice anything that could allocate that much memory. Buffer cache also seems to work as expected. |
I tried my PFS3 (official 18.5) 20M HDF and booted without startup-sequence it had about 710k of RAM free (out of 1M), with 80 buffers so it does not always use "too much" memory.
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It might depend on the configuration, then.
Would the behaviour be the same whether it is an HDF or a real drive connected through USB? |
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HDF vs drive shouldn't make any difference. |
Something interesting.
If I set the RDB & partitions with 3.1's HDToolBox instead of 3.9's memory usage is less! So for PFS3-AIO, 2 equal partitions, 31 buffers each: http://eab.abime.net/attachment.php?...1&d=1388703081 |
I don't remember what I used to set this one up, probably 3.x HDToolbox. I can try redoing it with 2.x HDToolbox.
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I am still interested in analysing your RDB...
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OH sorry Thomas, I forgot because I ran into a bunch of other hardware trouble :/
I'll do it today and post it here. |
If he's got a particularly large (or multiple) filesystem drives loaded in RDB, wouldn't they necessarily have to be loaded into RAM, possibly explaining the discrepancy? They have to go *somewhere*.
Rodney |
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