Before this thread is going to be closed and latest release mGPU, I noticed finally these thigbs :
The integrated benchmark does not help us a lot … Results can vary up to 30% from a bench to the other. The more you add GPU, the more it varies. → Unreliable
The benchamrk is too short, GPUs don’t even ramp up. In real situation we’ve got half of these results because of the need of thermal managment.
RTX 3070 PCIe bandwidth used is 1.35 to 1.8 GBps with an average of 1.45 GBps. It fits in PCIe Gen3/4 x4 (edited)
For unknown reason, as soon as you are 2+ GPUs, the first one, never load 100%
For unknown reason, it scales well only with to 2 GPUs
For unknowm reason, it starts to deliver erratic results 3+ GPUs, some models raise up when other fall down …
I have benched and tortured all parameters, CPU, DDR5, PCIe lanes, cooling aos … this lead me almost to the same results than my 2990WX workstation, so …
This sounds to be a VERY particular case. Going to reproduce it and verify if true. I have finished a 5 day 8K master with tons of noise.
Will go for a mixed 3000 and 4000 series as a last try, even if it is not recommended.
NOTE : ASUS Prime X670-P is a pure sh**, tons of useless parameters to tweak CPU and VDDR, but MOSFET are crap. Not even more than one line to tweak PCIe lanes … unbelievable.
(edited : X670/E are all very poor supported with PCIe splitting, only slot 1 is tweakable whatever the brand I have to turn M.2 slots sot PCIe4 x4 slots, again new bucks flamed …)
I would like to see some AMD 9xxx CPU benchmarks. Their gaming performance improvement is unimpressive, but the productivity benchmarks have looked promising. I want to know if TVAI is one of the pograms that see a meaningful improvement with the ne chips.
Going to it as soon my waterchiller is ready, have to design AM5 support
That 7950X allready generate a lot of heat if pushed over 180W
X670E ROG Crosshair has arrived with 6000 MTs 30-36-36-36
Will swapp 7950X to 9950X without any touch, to see CPU gain
EDIT : Is there anybody with acurate plans of an AM5 ? screw spacements aso
I know it’s NOT 5.1.x, but topic is closed and wanted to give feedback of scaling. Waiting for Kyle’s reply and PCIE splitters.
Everything is o/ced, not finely tuned, depending on outide temp
Top of 3 runs, still crap with x2 or x4, need CPU clocks to feed …