Method and system for non stalling pipeline instruction fetching from memoryA method and system for graphics instruction fetching. The method includes executing a plurality of threads in a multithreaded execution environment. A respective plurality of instructions are fetched to support the execution of ...
Aspects of the present disclosure relate to an apparatus comprising instruction execution circuitry and fetch circuitry to fetch, from memory, instructions for execution by the instruction execution circuitry. The fetch circuitry comprises a plurality of prediction components, each prediction component being...
A method in an instruction fetch unit configured to initiate a fetch of an instruction bundle from a first memory and to initiate a fetch of an instruction bundle from a second memory, wherein a fetch from the second memory takes a predetermined fixed plurality of processor cycles, the method...
Ok, thanks for the help! I’ve done some testing of my own and figured out that the CPU fetches the correct instructions from EEPROMs only when one instruction stream in one EEPROM is shifted by one address compared to the other one.Here’s an example:...
公开日:20050217 专利内容由知识产权出版社提供 专利附图:摘要:A processor and method for handling out-of-order instructions is provided. In one embodiment, the processor comprises instruction pre-fetch logic configured to pre-fetch instructions from memory. The processor further comprises instruction ...
Processor with apparatus for tracking prefetch and demand fetch instructions serviced by cache memory A processor prefetches instructions in a pipelined manner from a first (L1) cache to a local instruction cache, with an instruction pointer device being utilized to select one of a plurality of inc...
A method in an instruction fetch unit configured to initiate a fetch of an instruction bundle from a first memory and to initiate a fetch of an instruction bundle from a second memory, wherein a fetch from the second memory takes a predetermined fixed plurality of processor cycles, the method...
Memory region based data pre-fetching 来自 Google Patents 喜欢 0 阅读量: 16 被引量: 36 摘要: As microprocessor speeds increase, performance is more affected by data access operations. A combined solution of hardware and software directed pre-fetching limits additional instructions in a program ...
Processor and method for generating and storing compressed instructions in a program memory and decompressed instructions in an instruction cache wherein the decompressed instructions are assigned imaginary addresses derived from informa... a cache pointer for identifying a position in said instruction cache...
to the ability of fetching instructions from the IMEM at the highest possible rate every miss in the volatile interface between the microprocessor and the flash memory represents a leak of performance. In a typical cache memory system the possibilities of a miss are mainly divided in misses for:...