Search found 22 matches

by katsura
Fri Jan 22, 2021 12:36 am
Forum: AudioTest
Topic: How to sweep the phase with AppleScript
Replies: 0
Views: 1539

How to sweep the phase with AppleScript

this AppleScript script will repeat -180 to 180 degree phase sweep three times. set lp to -180 -- the lowest phase in degree set hp to 180 -- the highest phase in degree set rv to 0 -- set to 1 for reverse (hp to lp) set rp to 3 -- repeat 3 times if hp is less than lp then set tmp to lp set lp to hp...
by katsura
Thu Dec 10, 2020 11:31 pm
Forum: AmorphousMemoryMark
Topic: Comparing Intel Mac and ARM Mac
Replies: 0
Views: 2495

Comparing Intel Mac and ARM Mac

Use "memmove()/bzero()" on both Intel and ARM since that's the only measurement available on ARM Mac at this point. EDIT: added temporal/non-temporal read/write tests for ARM Mac. you can now compare temporal/non-temporal read/write between Intel and ARM Macs. ../img/amm/20201210-memmove-b...
by katsura
Fri Jun 26, 2020 4:37 am
Forum: ProPhase/ProLevel
Topic: Audio input not working at all
Replies: 0
Views: 5316

Audio input not working at all

unfortunately, this is one of most frequently asked questions. starting from macOS Mojave 10.14, apps no longer have access to the microphone or other audio input devices unless you specifically "allow" each app to use the microphone or other audio input devices. when the app gets launched...
by katsura
Sun Jun 14, 2020 4:57 pm
Forum: Piano Tuner
Topic: Entropy Piano Tuner (free)
Replies: 0
Views: 5419

Entropy Piano Tuner (free)

Entropy Piano Tuner (free) http://piano-tuner.org Preface What the entropy piano tuner is: It is an experimental open-source software for piano tuning. It is free of charge for everyone (GPL3 license). It offers a modular platform for writing and testing new tuning algorithms. It is designed for exp...
by katsura
Tue Jun 09, 2020 9:24 pm
Forum: AudioTest
Topic: How to convert caf to other format
Replies: 0
Views: 4800

How to convert caf to other format

by katsura
Sat May 23, 2020 6:55 pm
Forum: AmorphousMemoryMark
Topic: Examples
Replies: 0
Views: 5248

Examples

LPDDR4X 3733 MHz 4GB x 2 on 2-channel (max bandwidth 58.3 GB/s) MacBookAir9,1 (Scissor 2020): Measured SEQ128KT8 49.62 GB/s non-temporal write. Fast! ../img/amm/20200515-amm-2020-macbook-air.png DDR4 ECC 2933 MHz 32GB x 6 on 6-channel MacPro7,1 (2019): Crucial DDR4 ECC 2933 MHz 32GB x 6 measured SEQ...
by katsura
Sat May 23, 2020 6:55 pm
Forum: AmorphousMemoryMark
Topic: Technical Details
Replies: 0
Views: 3973

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: 3964

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: 3904

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...