BRAW decode setting and my PC

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rapapar

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BRAW decode setting and my PC

PostMon Apr 21, 2025 12:17 pm

Hi,
The "Blackmagic RAW Speed Test" app show me the CPU is 200% the GPU openCL specs
CPU : i9-13900K
GPU : RX 6800XT strix OC 16GB
RAM : 2 x 16 GO DDR5 5600MHz C36

May I still decode with the GPU ?

The hidden question is :
What are the best settings to get resolve even more fast ?
:)
https://parallaxya.com
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VMFXBV

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Re: BRAW decode setting and my PC

PostMon Apr 21, 2025 12:26 pm

Yeah, there's a setting to specify if you want to use the GPU for BRAW decoding and its usually turned on by default.

The test on the app might be a fluke as GPU decoding is faster.

I use BRAW GPU decode on my card (7900XTX) and have no issues. And I upgraded from a 6800XT as well where I had no issues either.

Besides your specs, you haven't posted what your drives are. Are they NVME or normal spinning hard drives? If its the latter, I would go with SSD or NVME if you want to see faster speed.
AMD Ryzen 5800X3D
AMD Radeon 7900XTX
Ursa Mini 4.6K
Pocket 4K
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rapapar

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  • Real Name: julien raidelet

Re: BRAW decode setting and my PC

PostMon Apr 21, 2025 1:18 pm

7GBs SSD here, Samsung 990 EVO Plus
I use the samsung T5 of my BMPCC (530MBs) to avoid file copy

I have tested with 4kDCI 60fps Q0 :

1/2 Playing video with color managed, nothing else appyed :

Decoding BRAW CPU:
GPU100% CPU60%

Decoding BRAW GPU:
GPU 40% CPU16%

2/2 Magic mask AI v2 tracking:
CPU 4FPS
GPU 5FPS


So, regardless the result of the "Blackmagic RAW Speed Test" app, we should keep GPU decoding ON, as you said, turned on by default.

Thanks
https://parallaxya.com
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rapapar

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  • Joined: Tue Sep 10, 2019 12:32 pm
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  • Real Name: julien raidelet

Re: BRAW decode setting and my PC

PostMon Apr 21, 2025 1:39 pm

Same thing with H264/H265
You should always keep the GPU processing ticked, if not, GPU usage is higher !
https://parallaxya.com

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