Running the same iterparse method in Listing 4 on the Open Directory data takes 122 seconds per run, or slightly more than five times longer than parsing the copyright data.
对Open Directory数据使用清单4中的iterparse方法,每次运行耗时122秒,约是解析版权数据所用时间的5倍。
Google estimated Instant would save users between two and five seconds per search.
Google估计Instant可以为用户的每次搜索节省2到5秒时间。
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