Open tovine opened 8 years ago
I can confirm it happens just like that for me with 2x 290 cards.
When running without crossfire enabled, i do get some random gpu usage across both gpu's and im hitting 160fps at times tho, so seems vulkan can use both cards.
Bot i am seeing core speeds of 5-800mhz aka all over the place on both gpus when im running vulkan.
It should be noted that the Vulkan spec does not yet contain provisions for multi-gpu configurations (and possibly multi-vendor gpu support). After the Vulkan spec picks up support, then a standard-compliant method could be investigated to properly make use of more than one video card. I would not be surprised if you are getting one card-worth of rendering power out of the pair.
First of all: when I disable CrossFire everything works fine (aside from minor glitches as reported by others).
However if it is enabled, this happens: a tiny "window title bar" appears in the top left corner saying "Dota2" (think Windows 2000-style), after a few seconds the mouse cursor goes "Dota style" (indicating something happens), but then nothing more. If I alt-tab to the Dota window the screen is black, and if I click it I get the "application not responding" box.
System info: Windows 10 (1151), newest updates as of today (28.05) CPU: Intel i5-4670k, 12GB RAM GPU: (2x) AMD HD7970 3GB, driver version: Crimson 16.5.3