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Performance hit of screen recording on iOS 11

matrix07012
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I’ve wondered how much does the new feature decrease performance, so I tested it.
Apps I used:
3DMark API Overhead: https://itunes.apple.com/us/app/3dmark-api-overhead-feature-test/id1015302310

3DMark Icestorm: https://itunes.apple.com/us/app/3dmark-ice-storm-benchmark/id642839144
Relative Benchmark: https://itunes.apple.com/us/app/relative-benchmark/id560637086

 

My phone: iPhone 5S 16GB


I’ve got 2 results from Relative Benchmark because it just got updated with completely new and higher quality assets.

 

Results:
3DMark Icestorm

Not recording

IMG_2887.PNG.55a0f86472a716fa86cff76eb31e8642.PNG

IMG_2888.PNG.01cabef96176b05e597b5f4fb0f9ac09.PNG

Recording

IMG_2891.PNG.ce725a83cb0ff4f5540b849f29c5b017.PNG

IMG_2890.PNG.963effdfb152d1be74b05addec495e3a.PNG

 

3DMark API Overhead

Not recording

IMG_2894.PNG.58480d758d3f07b628283d38f6b4f7a4.PNG

IMG_2895.PNG.5404d076430910e6ecdbf73201cbfd9e.PNG

Recording
IMG_2896.PNG.58c7b68a81fd1c28327828d8f058116f.PNG

IMG_2897.PNG.8583c8ad69c06320b0164b5e88a16e10.PNG

 

Relative Benchmark
Before update

Not recording

IMG_2900.PNG.760eec01d9002deb14d67786ae8e5dd9.PNG

Recording

IMG_2901.PNG.47ca0d108abb961697a6f139d9f95ffe.PNG

Post update

Not recording

IMG_2979.PNG.77cf956447c5b80272022a185de0ee14.PNG

Record

IMG_2980.PNG.f762f10acaec2776301c48556fcf8bbd.PNG

 


Conclusion:
The performance hit unnoticeable in most of the benchmarks. The only real performance hit is noticeable in the API Overhead benchmark when using Metal. Which makes me to believe that OpenGL ES doesn't fully utilize the hardware which gives room for the recorder, but Metal fully utilizes the hardware leaving no room for the recorder. I'm just guessing though.

Spoiler

Quiet Whirl | CPU: AMD Ryzen 7 3700X Cooler: Noctua NH-D15 Mobo: MSI B450 TOMAHAWK MAX RAM: HyperX Fury RGB 32GB (2x16GB) DDR4 3200 Mhz Graphics card: MSI GeForce RTX 2070 SUPER GAMING X TRIO PSU: Corsair RMx Series RM550x Case: Be quiet! Pure Base 600

 

Buffed HPHP ProBook 430 G4 | CPU: Intel Core i3-7100U RAM: 4GB DDR4 2133Mhz GPU: Intel HD 620 SSD: Some 128GB M.2 SATA

 

Retired:

Melting plastic | Lenovo IdeaPad Z580 | CPU: Intel Core i7-3630QM RAM: 8GB DDR3 GPU: nVidia GeForce GTX 640M HDD: Western Digital 1TB

The Roaring Beast | CPU: Intel Core i5 4690 (BCLK @ 104MHz = 4,05GHz) Cooler: Akasa X3 Motherboard: Gigabyte GA-Z97-D3H RAM: Kingston 16GB DDR3 (2x8GB) Graphics card: Gigabyte GTX 970 4GB (Core: +130MHz, Mem: +230MHz) SSHD: Seagate 1TB SSD: Samsung 850 Evo 500GB HHD: WD Red 4TB PSU: Fractal Design Essence 500W Case: Zalman Z11 Plus

 

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1 minute ago, rip said:

do a geeekbeeencch

I don't own it, but maybe I should buy.

Spoiler

Quiet Whirl | CPU: AMD Ryzen 7 3700X Cooler: Noctua NH-D15 Mobo: MSI B450 TOMAHAWK MAX RAM: HyperX Fury RGB 32GB (2x16GB) DDR4 3200 Mhz Graphics card: MSI GeForce RTX 2070 SUPER GAMING X TRIO PSU: Corsair RMx Series RM550x Case: Be quiet! Pure Base 600

 

Buffed HPHP ProBook 430 G4 | CPU: Intel Core i3-7100U RAM: 4GB DDR4 2133Mhz GPU: Intel HD 620 SSD: Some 128GB M.2 SATA

 

Retired:

Melting plastic | Lenovo IdeaPad Z580 | CPU: Intel Core i7-3630QM RAM: 8GB DDR3 GPU: nVidia GeForce GTX 640M HDD: Western Digital 1TB

The Roaring Beast | CPU: Intel Core i5 4690 (BCLK @ 104MHz = 4,05GHz) Cooler: Akasa X3 Motherboard: Gigabyte GA-Z97-D3H RAM: Kingston 16GB DDR3 (2x8GB) Graphics card: Gigabyte GTX 970 4GB (Core: +130MHz, Mem: +230MHz) SSHD: Seagate 1TB SSD: Samsung 850 Evo 500GB HHD: WD Red 4TB PSU: Fractal Design Essence 500W Case: Zalman Z11 Plus

 

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