RAM Disk Speed SLOWER than NVMe 4.0? PLZ HELP!!! #817
Replies: 3 comments 6 replies
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hi, are u suggesting that OSF is slower? |
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I just installed StarWind and is trying out now. The Initial [P1] Table 1 is 19 seconds, which I believe means it still slower. Anyway, let me run a a few passes and update. Thanks |
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I think so, they did the test on Intel ® Core i5-4460 3,2GHz with 8 GB DDR3 1600MHz using an older version of OSFMount, but I think it may be the issue here. Also It could be Windows Virtual Memory. |
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Windows Virtual Memory as in disable Virtual Memory caching into the disk? The 128GB is still fine I believe as there are still 16GB left for everything else. Anyway, will try disable disk caching. Hope it doesnt crash windows. |
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@madMAx43v3r can u please help enlighten? I have tried many RAM Disk software yesterday but to no avail. issues still persist. Or is there a speed cap for the plotter? meaning anything above something like 4GBps doesnt help time? Thanks |
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Don't use windows, use any linux distro with a mainline kernal and create ramdisk with tmpfs. |
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does it mean ramdisk in Linux is for sure faster? If yes, i will study up some Linux and how to do Chia. |
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Yes Linux is faster. If you're going to use Ubuntu, install 21.04 to get a more up to date kernel, and make sure the Linux CPU governor is set to "performance". |
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Hi all, hope some gurus can enlighten me.
I have the following system:
Intel i7-11700
Asrock B560 Steel Legend
128GB @ 32GBx4 DDR4 3200 RAM @ 16-20-20-38 1T (previously 64GB @ 16GBx4 b4 upgrade)
Corsair MP600 1TB x 3 units m.2 slots (1 for OS, 1 running PCIe 4.0, 1 running PCIe 3.0)
Samsung PM981 2TB x2 m.2 (connected using PCIe to M.2 adapter) running as final drive b4 robocopy to farmer drive
Windows 10 Pro/ Windows 11 Pro (dev build) - updated windows updates always, latest available drivers
Drive speed (read/write) Sequential via Crystal Disk Mark
Corsair MP600 PCIe 4.0 4.9GBps/4.2GBps
Corsair MP600 PCIe 3.0 3.3GBps/3.2GBps
Samsung PM981 3.3GBps/ 2.4GBps
RAM Drive via OSF Disk 9.9GBps/ 9.8GBps
### The question:
I get the exact similar timing if I use RAM Disk as Tmp2 or use PCIe 4.0 as Tmp2 which is about 32-36mins.
Can someone enlighten me what is the reason?
I know jumping to Linux could be faster but I am not technical and have been Windows my life.
My test results clearly shows the RAM drive being faster but actual plotting shows the same.
I have tried all the stotiks plotter v.004, 00.5, 00.6, 0.07 and latest 0.1.2a with all similar results.
PLEASE HELP. THANKS A LOT
my plotting with NVMe ONLY (tmp1 and tmp2)
Final Directory: Samsung PM981
Number of Plots: 1
Crafting plot 1 out of 1
Process ID: 15228
Number of Threads: 32
Number of Buckets P1: 2^8 (256)
Number of Buckets P3+P4: 2^8 (256)
Pool Public Key: XXX
Farmer Public Key: XXX
Working Directory: PCIe 3.0 NVMe
Working Directory 2: PCIe 4.0 NVMe
Plot Name: plot-k32-2021-06-23-18-04-5f7cb33da5213c506645f994baa6f1b683e2c2e2043bf1f443637b249d39fff1
[P1] Table 1 took 16.7495 sec
[P1] Table 2 took 122.552 sec, found 4294931324 matches
[P1] Table 3 took 152.657 sec, found 4294851622 matches
[P1] Table 4 took 193.843 sec, found 4294646882 matches
[P1] Table 5 took 187.955 sec, found 4294230081 matches
[P1] Table 6 took 177.566 sec, found 4293440844 matches
[P1] Table 7 took 127.336 sec, found 4291882422 matches
Phase 1 took 978.865 sec
[P2] max_table_size = 4294967296
[P2] Table 7 scan took 7.43274 sec
[P2] Table 7 rewrite took 21.6428 sec, dropped 0 entries (0 %)
[P2] Table 6 scan took 31.9004 sec
[P2] Table 6 rewrite took 50.7728 sec, dropped 581464806 entries (13.5431 %)
[P2] Table 5 scan took 30.79 sec
[P2] Table 5 rewrite took 48.0217 sec, dropped 762203020 entries (17.7495 %)
[P2] Table 4 scan took 30.7505 sec
[P2] Table 4 rewrite took 47.3215 sec, dropped 829034744 entries (19.3039 %)
[P2] Table 3 scan took 30.5685 sec
[P2] Table 3 rewrite took 47.1506 sec, dropped 855199547 entries (19.9122 %)
[P2] Table 2 scan took 30.1458 sec
[P2] Table 2 rewrite took 46.7796 sec, dropped 865637346 entries (20.1549 %)
Phase 2 took 435.096 sec
Wrote plot header with 268 bytes
[P3-1] Table 2 took 37.5305 sec, wrote 3429293978 right entries
[P3-2] Table 2 took 30.6918 sec, wrote 3429293978 left entries, 3429293978 final
[P3-1] Table 3 took 52.1997 sec, wrote 3439652075 right entries
[P3-2] Table 3 took 32.2197 sec, wrote 3439652075 left entries, 3439652075 final
[P3-1] Table 4 took 52.5458 sec, wrote 3465612138 right entries
[P3-2] Table 4 took 31.5473 sec, wrote 3465612138 left entries, 3465612138 final
[P3-1] Table 5 took 53.5826 sec, wrote 3532027061 right entries
[P3-2] Table 5 took 32.2245 sec, wrote 3532027061 left entries, 3532027061 final
[P3-1] Table 6 took 56.4041 sec, wrote 3711976038 right entries
[P3-2] Table 6 took 33.7977 sec, wrote 3711976038 left entries, 3711976038 final
[P3-1] Table 7 took 44.1988 sec, wrote 4291882422 right entries
[P3-2] Table 7 took 38.9998 sec, wrote 4291882422 left entries, 4291882422 final
Phase 3 took 499.416 sec, wrote 21870443712 entries to final plot
[P4] Starting to write C1 and C3 tables
[P4] Finished writing C1 and C3 tables
[P4] Writing C2 table
[P4] Finished writing C2 table
Phase 4 took 64.2126 sec, final plot size is 108794578882 bytes
Total plot creation time was 1977.67 sec (32.9612 min)
my plotting with PCIe 4.0 NVMe tmp1 and RAM Disk via OSF Disk tmp2
Final Directory: Samsung PM981
Number of Plots: infinite
Crafting plot 1 out of -1
Process ID: 9440
Number of Threads: 32
Number of Buckets P1: 2^8 (256)
Number of Buckets P3+P4: 2^8 (256)
Pool Public Key: XXX
Farmer Public Key: XXX
Working Directory: PCIe 4.0 NVMe
Working Directory 2: RAM Disk via OSF Disk 110GB
Plot Name: plot-k32-2021-07-13-22-09-13daa1aa9b01a9410cbfb58c3aedbbab5ac7d0ab06c108c30c08a9374c90d240
[P1] Table 1 took 18.6852 sec
[P1] Table 2 took 130.747 sec, found 4295043599 matches
[P1] Table 3 took 168.128 sec, found 4295016742 matches
[P1] Table 4 took 214.456 sec, found 4295086393 matches
[P1] Table 5 took 209.425 sec, found 4295107835 matches
[P1] Table 6 took 196.845 sec, found 4294988650 matches
[P1] Table 7 took 142.553 sec, found 4294954688 matches
Phase 1 took 1081.06 sec
[P2] max_table_size = 4295107835
[P2] Table 7 scan took 10.1059 sec
[P2] Table 7 rewrite took 25.9555 sec, dropped 0 entries (0 %)
[P2] Table 6 scan took 35.8062 sec
[P2] Table 6 rewrite took 59.0091 sec, dropped 581279129 entries (13.5339 %)
[P2] Table 5 scan took 32.5453 sec
[P2] Table 5 rewrite took 52.9807 sec, dropped 762094679 entries (17.7433 %)
[P2] Table 4 scan took 33.972 sec
[P2] Table 4 rewrite took 55.0679 sec, dropped 828943441 entries (19.2998 %)
[P2] Table 3 scan took 31.8503 sec
[P2] Table 3 rewrite took 51.4958 sec, dropped 855082187 entries (19.9087 %)
[P2] Table 2 scan took 34.3904 sec
[P2] Table 2 rewrite took 56.7888 sec, dropped 865590473 entries (20.1532 %)
Phase 2 took 482.752 sec
Wrote plot header with 268 bytes
[P3-1] Table 2 took 44.8304 sec, wrote 3429453126 right entries
[P3-2] Table 2 took 37.124 sec, wrote 3429453126 left entries, 3429453126 final
[P3-1] Table 3 took 58.3739 sec, wrote 3439934555 right entries
[P3-2] Table 3 took 38.1144 sec, wrote 3439934555 left entries, 3439934555 final
[P3-1] Table 4 took 59.0791 sec, wrote 3466142952 right entries
[P3-2] Table 4 took 38.5468 sec, wrote 3466142952 left entries, 3466142952 final
[P3-1] Table 5 took 60.0628 sec, wrote 3533013156 right entries
[P3-2] Table 5 took 38.8195 sec, wrote 3533013156 left entries, 3533013156 final
[P3-1] Table 6 took 62.6846 sec, wrote 3713709521 right entries
[P3-2] Table 6 took 41.8903 sec, wrote 3713709521 left entries, 3713709521 final
[P3-1] Table 7 took 53.1172 sec, wrote 4294954688 right entries
[P3-2] Table 7 took 47.4162 sec, wrote 4294954688 left entries, 4294954688 final
Phase 3 took 581.146 sec, wrote 21877207998 entries to final plot
[P4] Starting to write C1 and C3 tables
[P4] Finished writing C1 and C3 tables
[P4] Writing C2 table
[P4] Finished writing C2 table
Phase 4 took 57.8331 sec, final plot size is 108835712471 bytes
Total plot creation time was 2202.85 sec (36.7142 min)
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