Author Topic: Card benchmark - what's the optimal write buffer size?  (Read 113200 times)

KMA_WWC

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Re: Card benchmark - what's the optimal write buffer size?
« Reply #75 on: May 19, 2013, 05:13:55 AM »
Just finished the 5h+ test (until full charged battery died). I used Hoodman Steel 1000x 64gb card. Writing speed 95% of the time was over 100mb/s. It dropped under 100mb/s only when the screen went to sleep, but when I got it back, speed returned back to over 100mb/s. Not sure why it happened.

Here are the file/results:
https://www.dropbox.com/s/qr3kpxh3xtleukl/BENCH.LOG

Please do let me know if that helps or if you need any other tests. I would love to help as much as I can.
Canon 5D Mark III

a1ex

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Re: Card benchmark - what's the optimal write buffer size?
« Reply #76 on: May 19, 2013, 08:16:40 AM »
Wow, it overlaps perfectly with the other Lexar from Jason Montalvo.

KMA_WWC

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Re: Card benchmark - what's the optimal write buffer size?
« Reply #77 on: May 19, 2013, 09:34:13 AM »
Wow, it overlaps perfectly with the other Lexar from Jason Montalvo.

Glad to hear that :) I will be getting 4 more 64gb Hoodman cards pretty soon. I can test those to see if there is any significant difference in writing speed between same cards. I know for sure that hoodman quality control/check is top notch, so I expect them to have relatively same speed with not much difference.

The only issue I see is that I still can't record continues 1920x1280 even though card tops out up to 116mb/s writing speed, and 1920x1280 requires only 98mb/s. I think it's comes more to firmware tweaking and getting max out of it or as much as possible. Basically, optimization.
Canon 5D Mark III

a1ex

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Re: Card benchmark - what's the optimal write buffer size?
« Reply #78 on: May 19, 2013, 09:41:14 AM »
CF shootout:


SD shootout:


I've only used the log files created outside LiveView, so the results should be comparable.

Jackie

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Re: Card benchmark - what's the optimal write buffer size?
« Reply #79 on: May 19, 2013, 11:45:53 AM »
About an hour long test Sandisk Extreme 32GB CF + 5D3
Code: [Select]
Random buffer size experiment
ML v2.3.NEXT.2013May18.5D3113, 425a8abeb7ef+ (unified) tip
Mode: movie 1920x1080 25p, Global Draw: OFF
CF SanDisk SanDisk SDCFX-032G                     
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5D3 - Tamron SP 24-70mm F/2.8 Di VC USD - Canon EF 50mm f/1.4 USM - Canon EF 70-200mm f/4L USM - Yongnuo YN-560 II

Yomommassis

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Re: Card benchmark - what's the optimal write buffer size?
« Reply #80 on: May 19, 2013, 12:39:52 PM »
nice to see the information out on the chart
im noticing that my two transcend benchmarks have a difference of about 10MB/s but by doing the partition alignment

Ill go ahead and rerun the benchmarks with different alignments to see how the results vary
EOS 5D MkIII (ML alpha 3)| EOS 5D MkII (ML v2.3) | EOS 7D (ML alpha 2) | EOS T2i (ML v2.3)
f/2.8 70-200MM L USM | f/1.4 50mm USM | f/1.4 35mm L USM | T/1.5 24mm
Zoom H4n | Rode NTG2

Yomommassis

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Re: Card benchmark - what's the optimal write buffer size?
« Reply #81 on: May 19, 2013, 02:44:18 PM »
So I'm finding that the 5D Mark 2 and 5D Mark 3 with the built in formatting will format CF cards to FAT32 with an offset of 31K and I believe an allocation of 16K

31K of course making the CF card not aligned..aligning the partition with an offset of 32K with an allocation of 16K appears to be giving me a ~10MB/s read speed increase but a ~10MB/s write decrease

FAT32 seems to be easier for me to troubleshoot myself seeing as there are way less options
I'll keep messing with it

550D
SanDiskExtreme 32GB 45MB/s - exFAT 1024 Offset - 64k Alloc - 1 hour
http://pastebin.com/Dj7KjrfU

5D Mark 3
KomputerBay 32GB 1000x - exFAT 1024 Offset - 64K Alloc - 1 hour
http://pastebin.com/whfv5k2v

with these tests I was reading a forum that was saying a 1024 offset was a good start point and a 64K allocation would give performance increases, curious as to how these benchmarks compare to my last benchmark
EOS 5D MkIII (ML alpha 3)| EOS 5D MkII (ML v2.3) | EOS 7D (ML alpha 2) | EOS T2i (ML v2.3)
f/2.8 70-200MM L USM | f/1.4 50mm USM | f/1.4 35mm L USM | T/1.5 24mm
Zoom H4n | Rode NTG2

JackDaniel412

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Re: Card benchmark - what's the optimal write buffer size?
« Reply #82 on: May 19, 2013, 02:52:36 PM »
5D2 - SanDisk Extreme Pro 16GB 90 MB/s.

Code: [Select]
Buffer size experiment
ML v2.3.NEXT.2013May17.5D2212, 33e2dcdef271 (unified) tip
Mode: movie 1920x1080 24p, Global Draw: OFF
10312704 569
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80896 123
8949760 463
28661760 585
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24521728 580
16424960 521
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1%

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Re: Card benchmark - what's the optimal write buffer size?
« Reply #83 on: May 19, 2013, 02:58:39 PM »
What if you align to 4096.

Yomommassis

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Re: Card benchmark - what's the optimal write buffer size?
« Reply #84 on: May 19, 2013, 03:07:46 PM »
What if you align to 4096.

Yeeeeah I'll do that and then fall asleep
EOS 5D MkIII (ML alpha 3)| EOS 5D MkII (ML v2.3) | EOS 7D (ML alpha 2) | EOS T2i (ML v2.3)
f/2.8 70-200MM L USM | f/1.4 50mm USM | f/1.4 35mm L USM | T/1.5 24mm
Zoom H4n | Rode NTG2

Vegandelight

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Re: Card benchmark - what's the optimal write buffer size?
« Reply #85 on: May 19, 2013, 05:59:25 PM »
I wonder if the person submitting 64gb komputerbay had it in lv-mode or just playback.

cause LV Photo maxes out at around 98mb/s
playback mode 121mb/s

A1ex what mode are we suppose to try in? so people are clear on that.

a1ex

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Re: Card benchmark - what's the optimal write buffer size?
« Reply #86 on: May 19, 2013, 06:10:15 PM »
You can check from logs. I've selected only the tests that were ran outside LiveView.

Mayo

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Re: Card benchmark - what's the optimal write buffer size?
« Reply #87 on: May 19, 2013, 06:32:15 PM »
6D Transcend Ultimate 64GB 90MBs  (exFAT 4096)

Code: [Select]
Buffer size experiment
ML v2.3.NEXT.2013May18.6D113, 25d36d43a82c (unified) tip
Mode: playback, Global Draw: OFF
10312704 249
15885312 288
80896 82
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Colemar

  • Freshman
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  • Posts: 52
Re: Card benchmark - what's the optimal write buffer size?
« Reply #88 on: May 19, 2013, 07:22:47 PM »
for the graph a1ex: http://pastebin.com/974H86ey -- 2+hrs on 5DmkIII Delkin Devices 64GB 1000x UDMA7 CompactFlash card

xaled

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  • Posts: 42
600D Sandisk Exterm Pro 95Mbit
« Reply #89 on: May 19, 2013, 10:38:26 PM »
Buffer size experiment
ML v2.3.NEXT.2013May19.600D102, 69ecc405167a tip
Mode: idk, Global Draw: ON
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Jackie

  • New to the forum
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  • Posts: 8
Re: Card benchmark - what's the optimal write buffer size?
« Reply #90 on: May 20, 2013, 01:07:13 AM »
Some more data from me still using 5D3 + Sandisk Extreme 32GB
Code: [Select]
Random buffer size experiment
ML v2.3.NEXT.2013May18.5D3113, 425a8abeb7ef+ (unified) tip
Mode: playback, Global Draw: ON
CF SanDisk SanDisk SDCFX-032G                     
19658678 605
18380800 650
17340928 586
23952298 616
21052573 590
20265691 629
18969258 566
19429444 617
22568362 596
20948187 643
17175491 647
16087461 645
23347456 604
24939613 567
18817297 611
18395204 584
18984413 615
19555805 621
21178368 650
19641480 582
20759000 649
20418706 607
18059605 602
21330707 504
18270958 650
17141696 610
19293320 587
20579693 584
18394658 631
24481450 576
21150798 579
23969706 586
19360841 613
17507776 646
17413481 613
19775122 646
20101266 616
19025783 647
19643245 581
21778195 611
20650934 645
19489314 643
16797824 645
19026875 621
17474048 625
17203264 653
14795398 606
21735660 618
21743852 552
19922797 647
18626013 594
19820982 649
21035480 611
19362962 613
21580721 607
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22444740 638
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17028096 616
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18128622 632
19395072 610
20776960 594
17463424 642
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15077432 577
18140296 598
20769161 617
24568273 587
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21254582 585
18098790 635
19847753 574
19286601 647
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22445843 536
20894404 628
18154632 600
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18477056 580
20429019 623
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19357915 579
19720118 528
22759338 604
19762907 575
21486592 628
18474666 602
18380800 644
18326050 589
22034432 634
18582016 597
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16658672 598
24673280 642
19257417 608
17206452 627
21447916 645
21283367 617
20818651 632
22053888 648
20908189 642
20035072 630
22771200 614
17075136 581
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20131620 579
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19780534 618
16356465 569
15984579 610
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21931008 658
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17207040 647
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22443008 637
18182963 585
23053141 609
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20670829 648
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16696621 602
22906453 650
15410574 553
23292245 647
22494444 584
18443537 651
16760350 555
17409856 657
17086272 551
20784128 642
19021414 605
20375917 629
19324562 597
18178798 616
20763175 577
19811401 608
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21052258 654
17163136 594
18599321 576
24436829 615
21636804 617
16757157 585
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16355498 638
21410343 615
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20969550 617
22993749 490
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22740736 577
18200849 555
17986082 614
22596096 597
22597632 576
16850880 560
21061632 607
20200740 616
18297992 611
15350442 593
19666139 605
20479488 556
21049028 632
17592832 614
18498560 599
23916373 616
16966716 602
24498548 648
19913069 612
17112896 627
18073736 579
20703305 616
19529947 614
16139832 537
21389677 612
15210609 582
18386124 612
20797912 603
18042333 614
20200228 646
16986834 599
16350930 630
18752716 580
19870646 583
18765277 615
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18468522 583
19751526 615
16808658 577
17225856 589
18710664 613
22235687 587
17022464 603
19337966 623
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21200344 624
19339195 622
16378458 612
22482432 583
17020566 616
20719689 598
19567396 644
19663725 600
17229504 634
18157909 584
16890816 644
19871012 614
18312942 618
18057536 574
18767735 650
19317623 572
16161249 609
19033497 604
18595635 613
18354517 595
20451766 628
18724454 585
18148420 634
20623872 617
21233112 616
19963026 552
16589402 615
17127296 599
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5D3 - Tamron SP 24-70mm F/2.8 Di VC USD - Canon EF 50mm f/1.4 USM - Canon EF 70-200mm f/4L USM - Yongnuo YN-560 II

squig

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Re: Card benchmark - what's the optimal write buffer size?
« Reply #91 on: May 20, 2013, 06:01:06 AM »
Just got the Toshiba 1066x 64Gb card.  Here's the real world sustained test results with the 18/5 build. I got bored shooting my foot after 9Gb.

1928x1180 24p @ 90MB/s
1440x672 48p @ 77MB/s
1120x640 60p @70MB/s dropped frame @ 2300 frames.

I'll run the new benchmark test this arvo.





Yomommassis

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Re: Card benchmark - what's the optimal write buffer size?
« Reply #92 on: May 20, 2013, 11:17:49 AM »
Wanted to see how differently cards performed on different cameras
The cards were setup to have default formatting
by default I mean I took the card, formatted it in the camera, loaded magic lantern onto the card, and then ran the benchmark..no tricks


5D Mark 2 - Komputer Bay 64 GB 1000x - DEFAULT - +1Hour
http://pastebin.com/bSHZnmC8

5D Mark 3 - Amazon Basics 32 GB Class 10 - DEFAULT - +1Hour
http://pastebin.com/k1pmqURu

550D Amazon Basics 32 GB Class 10 - DEFAULT - +1Hour
http://pastebin.com/90D0rbFD

For some reason it seemed like the 5D Mark 3 was having slower speeds with the SD vs the 550D
EOS 5D MkIII (ML alpha 3)| EOS 5D MkII (ML v2.3) | EOS 7D (ML alpha 2) | EOS T2i (ML v2.3)
f/2.8 70-200MM L USM | f/1.4 50mm USM | f/1.4 35mm L USM | T/1.5 24mm
Zoom H4n | Rode NTG2

jos_tm

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Re: Card benchmark - what's the optimal write buffer size?
« Reply #93 on: May 20, 2013, 12:54:46 PM »
I have tested the Toshiba 1066x 32 GB card with the build 19th.may on the Mark III. This is the log of the buffer size benchmark:

Buffer size experiment
ML v2.3.NEXT.2013May19.5D3113,
Mode: movie 1920x1080 25p, Global Draw: OFF
CF TOSHIBA THNCF TOSHIBA THNCF032GS                     
10312704 927
15885312 946
80896 249
8949760 935
28661760 945
16264192 955
24521728 937
16424960 945
13148160 930
15619072 954
1658880 814
21001216 938
8548352 938
19760128 944
5965824 920
24906752 934
13968384 930
16770048 928
4542464 905
13063168 932
33263616 963
30312448 942
16713728 956
3887104 886
21841920 961
12846080 927
16192512 927
3333120 875
6719488 912
17313792 889
23374848 866
2865152 785


bronson

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Re: Card benchmark - what's the optimal write buffer size?
« Reply #94 on: May 20, 2013, 01:25:59 PM »
Tested with 5d mark2 (19th may) build
CF : Transcend 32GB 1000x  (30mn)

https://docs.google.com/file/d/0Bzajleby_hYZSm9reXN4QmZtSlU/edit?usp=sharing

Formated with fat32format with 64K Cluster size
http://www.ridgecrop.demon.co.uk/index.htm?fat32format.htm

squig

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Re: Card benchmark - what's the optimal write buffer size?
« Reply #95 on: May 20, 2013, 05:17:03 PM »
Toshiba 1066x 64Gb ex-fat

http://pastebin.com/qAzt8kh3

mauerfuchs

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Re: Card benchmark - what's the optimal write buffer size?
« Reply #96 on: May 21, 2013, 10:19:36 AM »
Toshiba 1066x 64Gb ex-fat

http://pastebin.com/qAzt8kh3

Why is yours so fast? Because you're in playback mode?
Mine only makes between 82-95

Kabuto1138

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Re: Card benchmark - what's the optimal write buffer size?
« Reply #97 on: May 21, 2013, 10:37:54 AM »
Mauer
Why is yours so fast? Because you're in playback mode?
Mine only makes between 82-95

They mauerfuchs, are you also using the 64gb?

mauerfuchs

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Re: Card benchmark - what's the optimal write buffer size?
« Reply #98 on: May 21, 2013, 12:29:34 PM »
Mauer
They mauerfuchs, are you also using the 64gb?

Yes i do. Mine came in FAT32 and i tryed to format it exFAT on MAC and PC. It didn't made it faster anyway...
http://www.magiclantern.fm/forum/index.php?topic=5513.0

There is one thing i still don't understand about the write buffer thing...is it possible to define the write buffersize somewhere in Magic Lantern? How and where?

AndreasK

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Re: Card benchmark - what's the optimal write buffer size?
« Reply #99 on: May 21, 2013, 05:24:12 PM »
How are you running the benchmark?

In photomode i get ~15mb/sec more then in videomode (that opens in liveview)...