(This was certainly an issue with AMD processors that did not support SSSE3, but I don't know if it applies to current AMD processors.
There is no guarantee that the runtime test(s) will check for each of these independently - a single missing instruction in any of these instruction sets might be enough to block any alternate code path. For example, the -axCORE-AVX2 option may generate instructions using AVX2, AVX, SSE4.2, SSE4.1, SSE3, SSE2, SSE, and SSSE3 "for Intel processors". Ryzen Controller is a very interesting and well-designed tool, however, you should be aware of the possible unwanted long-term effects overclocking your CPU and GPUs can have.
Intel also "bundles" the instruction sets in a way that may make it difficult to get the code you want to run on an AMD processor. The program should run correctly unless you actually execute an unsupported instruction.Īlthough the compiler manual says that the "-x) options specify both an instruction set and a tuning target, so they may result in sub-optimal code even if the code works correctly. If I recall correctly, compiling with the "-ffreestanding" (/Qfreestanding) option will eliminate the feature tests at program startup. Is the xmp profile unstable or one of the stick is faulty? Dont want to test it two another times takes too much time.If some of the SSE3 instructions are not supported on Ryzen, then the Intel compiler is making the correct, conservative, judgement. OKAY! so i realised before posting this yesterday i dont have latest bios so i updated and run memtest again. MB is AORUS ULTRA (tested with older and newest bios now) Later sooner it will happen everytime( win usage and browsing is ok even on 3600mhz i am 97% sure). This issue is from day one i just changed it to the other xmp and forgot about that I tested it with 3 games : Far Cry 5, Forza Horizon 4, Path of ExileĪll of them crash after some time. JEDEC: DDR4-2400 CL17-17-17 Profile #1: DDR4-3600 CL17-18-18 Profile #2: DDR4-3000 CL15-17-17 3000mhz profile is ok. No problems there i can play for 12 hours easyģ600 on the other hand is crashing crashing when playing AAA titles (there were no other options then everything else was sold out unfortunately) When ryzen cpu launched in the summer i got a new pc with HyperX 16GB KIT 3600MHz DDR4 CL17 Predator or HX436C17PB3K2/16.
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