Discusión:IBM Gekko
486 MHz internal processor clock 200 MHz 64-bit bus width to main memory (1.6 Gigabytes per second maximum) 32KB associative L1 Icache 32KB associative L1 Dcache with 16KB data scratchpad Super-scalar microprocessor with five different execution units: 2 integer units, 1 FPU, and 1 loadstore unit and branch unit DMA unit servicing 16KB data scratchpad. DMA request queue - 15-entry. Write-gather buffer for writing graphics command lists to the video system. Embedded 256KB 2-way set-associative L2 unified cache. 2 32-bit Integer Units (IU) 1 FPU, 32 and 64-bit bus width The FPU supports Floating Point Paired Singles (FP/PS) Branch Unit provides static AND dynamic branch prediction Features Out-Of-Order execution which means that when an instruction delays because of data access, subsequent opcodes can continue to be decoded and executed. The enhanced PowerPC Gekko processor also contains many features for minimization of processor delays because of data accessing and for maximization of processing throughput: Non-blocking caches Branch prediction through use of the Branch Unit (BU) 8-way set-associative caches 256KB L2 transfer cache Out-of-order execution capabilities The instruction set of the PowerPC Gekko processor seems to be almost identical to the one of the PowerPC 750 processor.The only visible differences at the moment are that the PowerPC Gekko processor has a few AltiVecSIMD opcodes added to its final instruction set.
Gekko tambien es un CMS
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