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在ISE:我有一个相同的非常少(以下为原文 In ISE: I have an identical very little (<1% resouce) design, general logic without any dedicated hardware resouce booked not even DSP48. Mapping reported slice usage in Kintex is almost double in Spartan6, Kintext7 has also higher Slice LUTs usage than Spartan6, but not to double. Slice registers usages are very close. I though Kintext-7 and Spartan-6 both have the same slice architecture. Is it due to routing relax in Kintex 7? Please comment. |
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L,
查看设计中的控件集。 看看时钟架构。 看看LUTRAM,SRL的用法。 以上所有内容在较旧的S6和较新的7系列架构之间略有不同。 此外,工具中使用的约束和开关将导致非常不同的结果,因为早期的ISE将与新的Vivado不同。 它们之所以有很多不同的原因:需要查看所有最终放置,路由和会议时间报告,并检查发生了什么。 Austin Lesea主要工程师Xilinx San Jose 在原帖中查看解决方案 以上来自于谷歌翻译 以下为原文 l, Look at the control sets in your design. Look at the clocking architecture. Look at the usage of LUTRAM, SRL's. All of the above are subtly different between the older S6, and the newer 7 series architecture. Also, constraints and switches used in the tools will lead to very different results, as earlier ISE will differ from the newer Vivado. Many many reasons why they differ: it takes looking at at all the final placed, routed, and meeting timing reports, and examining what is going on. Austin Lesea Principal Engineer Xilinx San JoseView solution in original post |
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L,
查看设计中的控件集。 看看时钟架构。 看看LUTRAM,SRL的用法。 以上所有内容在较旧的S6和较新的7系列架构之间略有不同。 此外,工具中使用的约束和开关将导致非常不同的结果,因为早期的ISE将与新的Vivado不同。 它们之所以有很多不同的原因:需要查看所有最终放置,路由和会议时间报告,并检查发生了什么。 Austin Lesea主要工程师Xilinx San Jose 以上来自于谷歌翻译 以下为原文 l, Look at the control sets in your design. Look at the clocking architecture. Look at the usage of LUTRAM, SRL's. All of the above are subtly different between the older S6, and the newer 7 series architecture. Also, constraints and switches used in the tools will lead to very different results, as earlier ISE will differ from the newer Vivado. Many many reasons why they differ: it takes looking at at all the final placed, routed, and meeting timing reports, and examining what is going on. Austin Lesea Principal Engineer Xilinx San Jose |
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