Search found 25 matches

by katsura
Tue Jan 31, 2023 4:09 am
Forum: AmorphousMemoryMark
Topic: Apple M1/M2 memory bandwidth
Replies: 0
Views: 17424

Apple M1/M2 memory bandwidth

Apple M1/M2 memory bandwidth: Apple M2 Ultra : 1024-bit? LPDDR5? SDRAM 800GB/s Apple M2 Max : 512-bit LPDDR5 400GB/s Apple M2 Pro : 256-bit LPDDR5 200GB/s Apple M2 : 128-bit LPDDR5 SDRAM 100 GB/s https://en.wikipedia.org/wiki/Apple_M2 https://www.macworld.com/article/1475533/m2-pro-max-processors-cp...
by katsura
Tue Jul 13, 2021 5:10 pm
Forum: Sirds
Topic: Tesla depth perception stereogram animation
Replies: 0
Views: 41375

Tesla depth perception stereogram animation

i used the ffmpeg command to extract sequential .png image files from the original depth perception (depth map) video, used the AppleScript to generate black & white wall-eyed stereogram .png image files automatically, and used the ffmpeg command to create an Apple ProRes 422 HQ video from seque...
by katsura
Mon Jul 12, 2021 10:06 pm
Forum: Sirds
Topic: Sirds AppleScript sample
Replies: 1
Views: 26697

Re: Sirds AppleScript sample

random color image frames cannot be encoded in high quality due to the bandwidth limitation. and it doesn't look so nice visually either. i recommend using black and white patterns for stereogram animation. in JavaScript/AppleScript: // drop generate SIRDS AppleScript/JavaScript droplet for Sirds //...
by katsura
Fri Jan 22, 2021 12:36 am
Forum: AudioTest
Topic: How to sweep the phase with AppleScript
Replies: 0
Views: 42802

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: 41701

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: 45945

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: 45934

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: 35842

How to convert caf to other format

by katsura
Sat May 23, 2020 6:55 pm
Forum: AmorphousMemoryMark
Topic: Examples
Replies: 0
Views: 38323

Examples

LPDDR5 8GB x 2 on M1 Pro (max bandwidth 200 GB/s) 16" MacBook Pro (2021). ../img/amm/LPDDR5-16GB-M1-Pro-temporal.png LPDDR4 4GB x 2 on M1 13" MacBook Air (2020) ../img/amm/LPDDR4-8GB-M1-temporal.png LPDDR4X 3733 MHz 4GB x 2 on 2-channel (max bandwidth 58.3 GB/s) MacBookAir9,1 (Scissor 2020...