18 lines
1.6 KiB
Markdown
18 lines
1.6 KiB
Markdown
# Naming convention for VPR architecture files
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Please reveal the following architecture features in the names to help quickly spot architecture files.
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- k<lut\_size>\_<frac>: Look-Up Table (LUT) size of FPGA. If you have fracturable LUTs or multiple LUT circuits, this should be largest input size. The keyword 'frac' is to specify if fracturable LUT is used or not.
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- N<le\_size>: Number of logic elements for a CLB. If you have multiple CLB architectures, this should be largest number.
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- tileable: If the routing architecture is tileable or not.
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- adder\_chain: If hard adder/carry chain is used inside CLBs
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- register\_chain: If shift register chain is used inside CLBs
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- scan\_chain: If scan chain testing infrastructure is used inside CLBs
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- <wide>\_<frac>\_mem<mem\_size>: If block RAM (BRAM) is used or not. If used, the memory size should be clarified here. The keyword 'wide' is to specify if the BRAM spans more than 1 column. The keyword 'frac' is to specify if the BRAM is fracturable to operate in different modes.
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- <wide>\_<frac>\_dsp<dsp\_size>: If Digital Signal Processor (DSP) is used or not. If used, the input size should be clarified here. The keyword 'wide' is to specify if the DSP spans more than 1 column. The keyword 'frac' is to specify if the DSP is fracturable to operate in different modes.
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- aib: If the Advanced Interface Bus (AIB) is used in place of some I/Os.
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- multi\_io\_capacity: If I/O capacity is different on each side of FPGAs.
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- reduced\_io: If I/Os only appear a certain or multiple sides of FPGAs
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- <feature\_size>: The technology node which the delay numbers are extracted from.
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Other features are used in naming should be listed here.
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