Searching for Cmpxchg8b Support information? Find all needed info by using official links provided below.
http://www.geoffchappell.com/studies/windows/km/cpu/cx8.htm
CMPXCHG8B Support in the Windows Kernel . The 32-bit Windows kernel started using the 8-byte compare-exchange instruction (cmpxchg8b) in version 4.0.At first, the instruction had only a few uses, for more efficient coding of the following exported functions:
https://www.felixcloutier.com/x86/cmpxchg8b:cmpxchg16b
#UD: If the destination is not a memory operand. #GP(0) If the destination is located in a non-writable segment. If a memory operand effective address is outside the CS, DS, ES, FS, or GS segment limit.
https://software.intel.com/en-us/forums/intel-moderncode-for-parallel-architectures/topic/311067
Your threading tips are sound. The thread aware memory pools are nice. =)Here are some of my advanced threading tips: =)You should spice up your threading site by adding a:" Rock-Solid Lock-Free Algo's /w cmpxchg8b & cmp8xchg16b Tutorials " additon to your site.You Intel guys really need to promote the cmpxchg8b and the cmp8xchg16b ( for Merced I think ) opcodes.
https://www.intel.com/content/www/us/en/support/products/29862/processors/intel-pentium-processor.html
Support information for Intel® Pentium® Processor . We appreciate all feedback, but cannot reply or give product support. Please do not enter contact information.
https://reactos.org/wiki/Supported_Hardware/CPU
Lacks support for CMPXCHG8B and CPUID is not really exposed, no time stamp counter, Not fully Pentium compatible Carlos S. M. 6x86L CMPXCHG8B Cyrix/IBM/ST Not tested Revision of 6x86 with lower power usage and supposedly CMPXCHG8B support. Not fully Pentium compatible 6x86MX/MII CMPXCHG8B, MMX, CMOV Cyrix/IBM/ST Run w/o result 0.4.11
https://www.intel.com/content/dam/support/us/en/documents/processors/invalid_instruction_cmpxchg8b_erratum1.pdf
The CMPXCHG8B instruction compares a 64-bit value from internal registers of the processor with a 64-bit value from memory (the destination). It is illegal to use a register as the destination. The result of the CMPXCHG8B instruction is a 64-bit value that will not fit into a 32-bit register.
https://community.oracle.com/thread/1927335
Oct 16, 2007 · Next, I booted with b -kv to see what would happen. While it seems that I got further along, I now get the following: "processor does not support cmpxchg8b instruction" and I get dropped into the kernel debugger which I am not familiar with.
https://www.tenforums.com/performance-maintenance/6909-lets-run-win10-really-really-old-hardware-47.html
For Windows 8/10 64-bit the CPU must be 64-bit, of course, plus it must support the instructions CMPXCHG8B and CMPXCHG16B, while RAM must be at least 2GB. Recommended is to have at least double the minimum RAM in either 32-bit or 64-bit Windows. Also the graphics card must have at least Vista or newer driver (WDDM 1.0 or newer, nVidia FX 5 ...
http://blog.cmpxchg8b.com/
ctypes.sh, our quest to build a toolkit for interacting with native code directly from bash scripts, has reached version 1.1.Apart from the standard bug fixes and improvements, the major enhancement in this release is automatic structure support.
http://blog.cmpxchg8b.com/2012/09/fun-with-constrained-programming.html
Sep 28, 2012 · Fun with Constrained Programming Believe it or not, RAR files can contain bytecode for a simple x86-like virtual machine called the RarVM. This is designed to provide filters (preprocessors) to perform some reversible transformation on input data to …
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