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FvM's avatar
FvM
Icon for Super Contributor rankSuper Contributor
2 years ago

Arria 10 Variable Precision DSP Blocks Floating Point Exception Handling

Hi, Arria 10 documents seem not to specify behaviour of DSP Blocks in floating point modes with infinity or NaN input. In contrast, Stratix 10 DSP exception behaviour is specified in detail in "Vari...
Fpga Devkit
Shuo_Zhang's avatar
Shuo_Zhang
Icon for New Contributor rankNew Contributor
2 years ago

The DSP on Arria® 10 devices do not support denormal number input, it does not contain any exception flag signals.


And the notification: "If the input is a denormal value, the IP core forces the value to zero and treats the value as a zero before going through any operation." under Floating-Point IP Cores User Guide - 1.5. Floating-Point IP Cores General Features is suitable for the Arria 10 devices, because this document is included in the Intel® Arria® 10 FPGAs Support Collection.