Processor Performance
Contents
Processor Performance Factors
Cache Memory
Cache Memory is a very fast but expensive type of memory which is normally located on the processor itself. It will be used to store instructions which follow current one. This will mean less need to use slower memory, and data can be pre-fetched before it is used by the processor. The greater cache means more fast speed memory that allows programs to execute faster.
Increase clock speed
More cycles per second, therefore less seconds until a task is finished. Every task will be executed in a shorter time.
Increase word length
When the word length is exceeded, the speed is greatly reduced (this can be as a result of an error in calculations or input). By increasing the word length you are less likely to exceed it. Increasing word length would also allow for more instructions and addresses, this will speed up the processor because a complex set of instructions could be replaced by a new instruction.
Increase bus width
More data is passed at once which results in more data been processed for the task per cycle.
