If the number of candidates for each pixel grows too large (as is common in algorithms such as Knoll and Yliluoma) then sorting the candidate list for every pixel can have a significant impact on performance. A solution is to instead sort the palette in advance and keep a separate tally of weights for every palette colour. The weights can then be accumulated by iterating linearly through the tally of sorted colours.
DataWorks Notebook 支持 Spark SQL 与 Spark Python 双模式 Cell，用户可灵活切换进行数据探查与复杂计算。系统内置智能代码提示（IntelliSense）与自动补全功能，降低开发门槛。同时提供实时数据可视化图表（如柱状图、折线图），助力快速洞察数据特征。
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