Comments (2)
The mapper is not utilizing all available operators on the CGRA efficiently:
- less than, greater than - currently using two operators (less than: gte -> not; greater than: lte -> not)
- should be implemented using 1 CGRA tile using 1-bit flags
- max, min - currently using two operators (min: lte -> mux; max: gte -> mux)
- should be implemented using 1 CGRA tile (alu op code 4,5)
- counter - currently using six instances (reg, 2 const, ult, add, or)
- should be implemented using a CGRA-specific mapping
- abs - currently using five instances (mux, sge, mul, 2 const)
- should be implemented using 1 CGRA tile (alu op code 3)
CGRA spec: https://github.com/StanfordAHA/CGRAGenerator/wiki/PE-Spec
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less than, greater than, max, min, abs
all are mapping correctly now.
Counter does not exist in hardware, so mapping is doing as well as possible.
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Related Issues (20)
- Tests (directed tests) HOT 1
- Halide -> test all outputs in coreir HOT 1
- CoreIR -> simulate/verify post mapped graph
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- coreir-dev using wrong pycoreir version HOT 1
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