Also called incremental upgrade, as the name implies, is the process of extracting the difference between the source and the target version through the differential algorithm to make a sub-contract, and then patch the difference part on the source version
差分升级相较于传统的的整包升级方式，有资源需求低、升级功耗低、升级时间短及下载流量少等诸多优势，越来越多的成为鸭脖网站入口升级的优选方案。
Smaller differential upgrade package means saving customers more costs and bringing higher upgrade efficiency. This makes differential algorithm crucial. Every algorithm upgrade is a revolution in efficiency.
The minimum difference subcontract is only 1% of the whole package
Differential upgrade package saves 73% in upgrade time compared with the whole package
我们经历了第一代的笋尖算法、第二代竹笋算法、第三代的莴笋算法，到如今已经更新到了第四代的芦笋算法。以MT2503AE和RDA8955为例测算，可以看到随着差分算法的迭代升级，差分包越来越小，升级性能越来越高。第四代的芦笋算法已经比我们初始的第一代笋尖算法提高了50%——60%的性能！
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