Bad performance with graphic glitches running intensive OpenCL software

Under Yosemite Cinema 4D R16 (while R14 is works well) and Autocad for Mac 2015 (with all the previous releases) are affected by horizontal pixelated artifacts (not properly glitches by very near to be); and again iTunes library seems to be affected by horizontal portion of the library by the same glitch when you scroll down (it disappears after log out). Someone refers these issues to Vsync (that autodesk softwares make Off) while to me it seems clearly incompatibility drivers with Yosemite and last version of these softwares. My configuration is NVIDIA GeForce GTX 780M 4096 MB and mentioned softwares were fine under Mavericks and with the same Hardware...