Searching for Cmpxchg16b Support information? Find all needed info by using official links provided below.
https://software.intel.com/en-us/forums/intel-moderncode-for-parallel-architectures/topic/309732
Rumor has it that Intel might drop cmpxchg16b. Is this true? It's still in the documentation the last time I checked.Normally, you shouldn't really concern yourself with individual instructions as most programming is done with a compiled language. But if you're trying to implement various kinds of lock-free algorithms then individual instructions become important.
https://www.tenforums.com/general-support/53366-upgrade-windows-10-64-bit-pae-sse2-nx-cmpxchg16b.html
Nov 03, 2017 · According to Microsoft's support page in Windows 8.x and later, the operating system requires three essential characteristics, including Physical Address Extension (PAE), No-eXecute (NX), and Streaming SIMD Extensions 2 (SSE2). Additionally, Windows 10 (64-bit) also requires CMPXCHG16b (CX16) feature to be present in the processor.
https://www.computerhope.com/forum/index.php?topic=145900.0
Aug 17, 2014 · For 64 bit installations of Windows 8.1 the CPU must support CMPXCHG16b, PrefetchW and LAHF/SAHF instructions. PrefetchW is an AMD 3DNow! instruction and Intel desktop processors became compatible from family 15/model 6/stepping 1 (Cedar Mill, the 65 nM final revision of the Pentium 4 released on January 5, 2006) thus I should think all 90 nM Pentium 4 era CPUs and earlier are …
https://answers.microsoft.com/en-us/insider/forum/insider_wintp-insider_install/windows-10-cmpxchg16b-compareexchange128-issue-on/30d8ba2b-f2ac-453d-84cd-1ea446dd05ec
Jun 08, 2015 · I am currently running Windows 8 64 Bit, and seem to be one of those people unable to upgrade to Windows 8.1 due to the requirements related to the CPU requiring CMPXCHG16b / CompareExchange128 hardware support (as well as the motherboard), as I have a Core 2 Quad Q8300 CPU, and this is allegedly one of the affected cpus.
https://en.wikipedia.org/wiki/X86-64
x86-64 architecture support was first committed to the NetBSD source tree on June 19, 2001. As of NetBSD 2.0, released on December 9, 2004, NetBSD/amd64 is a fully integrated and supported port. 32-bit code is still supported in 64-bit mode, with a netbsd-32 kernel compatibility layer for 32-bit syscalls.
https://www.reddit.com/r/AMDHelp/comments/8xjlmp/oldest_athlon_64_to_support_the_cmpxchg16b/
So here's a gear shift for all of you... I'm interested in putting together ultra-old hardware to test stuff under Windows 10. This is purely a hobby thing, but I was wondering if anyone had good, concrete info on the oldest CPU / line of CPUs that supports the CMPXCHG16B instruction …
http://vsphere-land.com/news/what-is-sahf-and-lahf-and-why-do-i-need-it-to-install-vsphere-51.html
What is SAHF and LAHF and why do I need it to install vSphere 5.1? Categories: News. ... AMD introduced support for the instructions with their Athlon 64, Opteron and Turion 64 revision D processors in March 2005 and Intel introduced support for the instructions with the Pentium 4 G1 stepping in December 2005. So again most most servers built ...
https://www.bleepingcomputer.com/forums/t/586578/cpu-isnt-supported/
Aug 15, 2015 · "CPU isn't supported" - posted in Windows 10 Support: Hey gang i have a friend who got this message CPU isnt supported when they tried …
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