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DM642反而比C6455计算快



测试了同样的算法在DM642和C6455上的计算时间,结果惊奇的发现600MHz的DM642居然比1GHz的C6455要快4倍,与TI的描述不符。

根据TI的描述DM642的架构为C64X,而C6455属于C64XPlus,就算同样的主频下,C6455也要比DM642快。

但测试发现结果差出许多,哪位朋友能帮忙解释一下?