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AArch64 or ARM64 is the 64-bit Execution state of the ARM architecture family. It was first introduced with the Armv8-A architecture, and has had many extension updates. [ 1 ]
technology L0 cache L1 cache L2 cache Core configurations Speed per core (DMIPS / MHz) ARM part number (in the main ID register) ARM Cortex-A5: 1: 8: No VFPv4 (optional) 16 × 64-bit: 64-bit wide (optional) No No 40/28 nm 4–64 KiB / core: 1, 2, 4 1.57 0xC05 ARM Cortex-A7: 2: 5 [3] 8: No VFPv4: Yes: 16 × 64-bit: 64-bit wide LITTLE Yes [4] 40/ ...
Machines of the era generally shared memory between the processor and the framebuffer, which allowed the processor to quickly update the contents of the screen without having to perform separate input/output (I/O). As the timing of the video display is exacting, the video hardware had to have priority access to that memory.
AMD64 (also variously referred to by AMD in their literature and documentation as “AMD 64-bit Technology” and “AMD x86-64 Architecture”) was created as an alternative to the radically different IA-64 architecture designed by Intel and Hewlett-Packard, which was backward-incompatible with IA-32, the 32-bit version of the x86 architecture.
AMD K6: 1997 6 Superscalar, branch prediction, speculative execution, out-of-order execution, register renaming [b] AMD K6-III: 1999 Branch prediction, speculative execution, out-of-order execution [1] AMD K7: 1999 Out-of-order execution, branch prediction, Harvard architecture: AMD K8: 2003 64-bit, integrated memory controller, 16 byte ...
An instruction set architecture (ISA) is an abstract model of a computer, also referred to as computer architecture.A realization of an ISA is called an implementation.An ISA permits multiple implementations that may vary in performance, physical size, and monetary cost (among other things); because the ISA serves as the interface between software and hardware.
AMD K6-2 – an improved K6 with the addition of the 3DNow! SIMD instructions. AMD K6-III Sharptooth – a further improved K6 with three levels of cache – 64 KB L1, 256 KB full-speed on-die L2, and a variable (up to 2 MB) L3. AMD K7 Athlon – microarchitecture of the AMD Athlon classic and Athlon XP microprocessors. Was a very advanced ...
The genesis of the third switch began in 1985, when Acorn's ARM architecture was spotted by Apple's Advanced Technology Group (ATG), an internal research laboratory. The ATG thought it might replace the MOS 6502 of the Apple II range or the 68000 of the original Macintosh, or become the basis of a tablet device, under Paul Gavarini and Tom ...