Intel® High Level Synthesis Compiler Pro Edition: Reference Manual
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12.1.2. The --dsp-mode Command Option
Use the --dsp_mode option of the i++ command to control the hardware implementation for supported data types and math functions for your entire compilation. For local-scope control, use ihc::math_dsp_control function.
i++ --dsp-mode=[prefer-dsp | prefer-softlogic | default]
Value | Description |
---|---|
prefer-dsp | The compiler tries to implement supported math operations with DSP blocks. |
prefer-softlogic | The compiler tries to implement supported math operations with soft logic using ALMs. |
default | The compiler implements supported math operations with DSP blocks or soft logic (ALMs) based on data type and operation. This value is the default. |