Search found 25 matches

by katsura
Sat May 23, 2020 6:55 pm
Forum: AmorphousMemoryMark
Topic: Technical Details
Replies: 0
Views: 37800

Technical Details

memmove()/bzero() measurements represent how well the OS (C library) optimized memmove()/bzero() functions for different CPU architectures. rep movsb/stosb measurements represent how well the ERMS feature is implemented on different CPU architectures. Intel only. temporal load/store measurements re...
by katsura
Sat May 23, 2020 6:54 pm
Forum: AmorphousMemoryMark
Topic: Memory Performance Tips
Replies: 0
Views: 34698

Memory Performance Tips

Memory Performance Tips Use all available channels. If you have a Mac with a two-channel memory controller, use at least two memory modules so that two channels actually get utilized. Wikipedia: Multi-channel memory architecture. Use the fastest supported memory clock modules. If you have memory mod...
by katsura
Sat May 23, 2020 6:54 pm
Forum: AmorphousMemoryMark
Topic: FAQ: inconsistent random 4K write speed results
Replies: 0
Views: 34714

FAQ: inconsistent random 4K write speed results

Q: Is there a non-Mac App Store version of AmorphousMemoryMark? A: No. AmorphousMemoryMark is only available on Mac App Store. https://apps.apple.com/app/amorphousmemorymark/id1495719766 Q: Why is the app icon so ugly? A: I wish I could draw, paint, design app icons, and more. I will replace it with...
by katsura
Sat May 23, 2020 6:53 pm
Forum: AmorphousDiskMark
Topic: FAQ: inconsistent random 4K write speed results
Replies: 0
Views: 48172

FAQ: inconsistent random 4K write speed results

FAQ: inconsistent random 4K write speed results The five-second measurement duration time limit was added to ADM2.5 in order to avoid the impractically lengthy 4K read/write measurement time (many minutes and hours) on inherently slow hard drives, to avoid unnecessary writes on SSDs, and to be consi...
by katsura
Sat May 23, 2020 6:52 pm
Forum: AmorphousDiskMark
Topic: CAUTION: INTENSE READ/WRITE ACCESS DURING MEASUREMENT MAY TRIGGER A DEVICE FAILURE.
Replies: 0
Views: 35210

CAUTION: INTENSE READ/WRITE ACCESS DURING MEASUREMENT MAY TRIGGER A DEVICE FAILURE.

=== DISCLAIMER === CAUTION: INTENSE READ/WRITE ACCESS DURING MEASUREMENT MAY TRIGGER A DEVICE FAILURE. https://apple.stackexchange.com/questions/84907/can-hard-drive-benchmark-apps-damage-your-hard-drive Keep in mind that it would be nothing but a coincidence if it would fail during the benchmark. h...
by katsura
Sat May 23, 2020 6:51 pm
Forum: AmorphousDiskMark
Topic: FAQ: how come write is faster than read?
Replies: 0
Views: 35748

FAQ: how come write is faster than read?

i'm guessing the write cache on the storage device is contributing to this behavior. to be confirmed... fio exhibits the same issue. APPLE SSD SM0512F: Read: 26.8MB/s Write: 102MB/s $ fio --name=test --ioengine=posixaio --direct=1 --gtod_reduce=1 --bs=4k --iodepth=1 --size=500M --readwrite=randread ...
by katsura
Sat May 23, 2020 6:51 pm
Forum: AmorphousDiskMark
Topic: FAQ: unexpectedly slow performance
Replies: 0
Views: 35761

FAQ: unexpectedly slow performance

if other process uses the disk while you measure the disk performance, you get slower than expected performance. Time Machine : make sure Time Machine is not backing up (accessing the storage device). this usually happens every hour if you have Time Machine enabled. you can check the Time Machine me...
by katsura
Sat May 23, 2020 6:51 pm
Forum: AmorphousDiskMark
Topic: You may need to disable your antivirus software
Replies: 0
Views: 35204

You may need to disable your antivirus software

some antivirus software may cache files on memory which causes the AmorphousDiskMark measurement to be inaccurate/useless. please try disabling your antivirus software to see if it helps the measurement result to be more reasonable or within a range of something you would expect from your storage de...
by katsura
Sat May 23, 2020 6:50 pm
Forum: AmorphousDiskMark
Topic: FAQ
Replies: 0
Views: 38193

FAQ

Q: Is there a Mac App Store version of AmorphousDiskMark? A: Yes. Here: https://apps.apple.com/app/amorphousdiskmark/id1168254295 Q: Why is the app icon so ugly? A: I wish I could draw, paint, design app icons, and more. I will replace it with something nicer at some point. i.e. hire an icon designe...
by katsura
Sat May 23, 2020 6:50 pm
Forum: Sirds
Topic: Sirds AppleScript sample
Replies: 1
Views: 26795

Sirds AppleScript sample

(* drop generate SIRDS AppleScript droplet for Sirds Copyright (c) 2006-2009 Katsura Shareware. All rights reserved. generates stereogram image files from image files/folders dropped on to this AppleScript droplet. *) property useCrossEyedView : false on processFile(aFile) tell application "Si...