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DMD 2.109 was released [with OMF support removed](https://dlang.org/changelog/2.109.0.html#dmd.omf-removed). There is a lack of personal interest to keep support for legacy platforms, closing this.

Update: CPUID.20h is uninteresting ![image](https://user-images.githubusercontent.com/8390674/146648576-f85465ec-13a7-427c-b5e4-b7c575afb681.png) Source: Intel® Architecture Instruction Set Extensions and Future Features Programming Reference May 2021 319433-044 §1.5

I believe I have to call [GetLogicalProcessorInformationEx](https://learn.microsoft.com/en-us/windows/win32/api/sysinfoapi/nf-sysinfoapi-getlogicalprocessorinformationex) with RelationProcessorCore and maybe check PROCESSOR_RELATIONSHIP.EfficiencyClass to maybe get something useful. And/or try putting thread priority to High or something. Waiting until I...

cpufetch currently [has this](https://github.com/Dr-Noob/cpufetch/commit/a4c0bb1aae56dba7f4b47e8c64aa021ab7b44376) as I thought due to [Intel's HybridDetect](https://github.com/GameTechDev/HybridDetect/). Pathetic Intel moment.

Finally, you're the first one I meet with a 12th Gen Core processor! Only thing I ask is to get the output of these commands: - `ddcpuid -r 0x1f,0` -...

Hm, unfortunately I'm only seeing SMT=2 (two threads per core) and Core=20 (20 threads total). Nothing else because all the other levels are invalid. Either because the utility was rerun...

Curious again. Can you run `ddcpuid -r 0xb,0` up to `ddcpuid -r 0xb,4`? Hopefully it's useable.

Sob, that's the exact same as CPUID.1Fh. Since I saw that CPU-Z screenshot, I assume you're on Windows. These next steps will tell me which revision of the microcode you're...

Well, that sucks. To say the least, CPUID.1Ah.EAX[31:24] contains 0x20 ("Intel Atom®") which tells me ddcpuid probably ran in a E-Core thread and that tells me those cores might not...