Just like Intel's super high clockrates don't translate into proportionately more performance, doubling of cache size certainly doesn't double the performance of a microprocessor.
就像英特尔的超高时钟频率不能在提升了,双核内存也不能让微处理器的功能增大一倍。
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For years, processor makers consistently delivered increases in clockrates and instruction-level parallelism, so that single-threaded code executed faster on newer processors with no modification.