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Mac Studio


SpiceWare

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Picked up a Mac Studio today.  It's a stock M2 Ultra version. I used the Migration Assistant and transferred everything over from my nearly 9 year old Mac Pro

 

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I ordered a couple USB-C to mini DisplayPort adapters to use my existing cables to connect the Studio to my 4K monitors.

 

AtariAge is noticeably more responsive on the Studio, I was not expecting that.

 

Like I did with classic Doctor Who, I've been doing a rewatch of Star Trek in air date order. I'm currently in season 6 of The Next generation, just a few episodes from when Deep Space Nine begins, so have been ripping my Deep Space Nine DVDs.  Since I had everything handy I decided to run a test of converting an episode.

 

Handbrake results on Mac Pro:

 

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on Mac Studio:

 

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The Studio has been running a bunch of background tasks, such as the initial spotlight indexing and first Time Machine backup, so I plan run another test tomorrow to see if performance improves.

 

Screenshots are different sizes because my Mac Pro is now hooked up to a 1080p display.

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Just a few seconds faster this morning:

 

image.thumb.png.29e17a4c26c45c5109f122bddf660375.png

 

I did notice that not all cores are active:

 

image.thumb.png.0d38069c2c1b581d36a41bae03fc345e.png

 

So wondered if I could make Handbrake convert multiple videos at once. Found this setting, which can be increased to 2, 3, or 4:

 

image.thumb.png.115fcdeea62847bc6b8d70cbe3a59c0f.png

 

Have a test running with it set to 2.

 

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Runtime increased to 17:51 but during that time 2 videos were converted, not 1.

 

Screenshot2023-07-23at9_57_12AM.thumb.png.16a78b81a6767f968f1c511bbd07d696.png

 

Screenshot2023-07-23at9_57_20AM.thumb.png.e98482b95b8eaa4d054df3ec0754cba1.png

 

Cores were noticeably busier.

 

Screenshot2023-07-23at9_39_54AM.thumb.png.733af16b86d47c9dcb29d223dabd52c9.png

 

Test going with it set to 3.

 

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Runtime increased to 28:00 for 4 at once.

 

Screenshot2023-07-23at11_21_22AM.thumb.png.d756b873327850538f211b8c8a9209ad.png

 

Screenshot2023-07-23at11_21_24AM.thumb.png.7f76de09b3b870a185262e89e64bdb23.png

 

Screenshot2023-07-23at11_21_30AM.thumb.png.d9089287018aa522967fa337880ed708.png

 

Screenshot2023-07-23at11_21_27AM.thumb.png.8c71bef21da55577b034b4b802e8440c.png

 

 

All but 1 core was pegged:

 

Screenshot2023-07-23at10_48_28AM.thumb.png.502d7b4b574d49fbeb14f113d09563ba.png

 

So I can now convert 8+ episodes in the time I used to do 1.  

 

Of course I never tried that setting on the Pro, so I currently have a test with 2 running on it right now. About 17 minutes remain.

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For the Pro it was initially 58:27 to convert 1 video.   Briefly converted 1 again to get the CPU activity:

 

ScreenShot2023-07-23at10_17_47AM.png.0ff22df0a3ee387f52b5c44be4efb39e.png

 

So there is some unused capacity.  The Pro has a 6 core CPU with hyperthreading.  

 

Cancelled the 1, then fired off 2 concurrent conversions which took 1:27:51

 

ScreenShot2023-07-23at12_03_27PM.png.e0ee29b133780d5c22465fa348143334.png

 

ScreenShot2023-07-23at12_03_23PM.png.8b174763601d11593b85d05f6b830d71.png

 

CPU activity:

ScreenShot2023-07-23at10_21_51AM.png.4c6af4f7306bc98be44d1b03968c90ed.png

 

Test with 3 underway.

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Looking at the statistics I realized that using the average speed in fps would be a good way to review the results:

 

image.thumb.png.efb45967e14675ef9b8bd1546cff99ba.png

 

Being able to run 4 concurrent conversions improved throughput by on the Mac Pro by 45% and 126% on the Mac Studio.

 

I was surprised to see that the size of the resulting file was not consistent as every test run was done using episode 1 of season 7.  There must be some randomization in the compression process.

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