System, method and computer program product for word-level operator-to-cell mapping
View Patent ↗A mapping system, method and computer program product are provided. In use, at least one arithmetic operator is received. Further, the at least one arithmetic operator is mapped to at least one cell, at a word-level.
1. A method, comprising:
receiving at least one arithmetic operator utilizing a processor;
mapping the at least one arithmetic operator to at least one cell, at a word-level;
outputting the at least one cell at the word-level; and
analyzing timing and power utilizing the at least one cell;
wherein a plurality of the arithmetic operators are received and mapped to the at least one cell, and a plurality of partial products are generated based on the plurality of the arithmetic operators, for decomposing a multiplier into a word-level structure.
2. The method of claim 1 , wherein the at least one arithmetic operator is selected from the group consisting of an adder, a multiplier, a divider, a sum of products expression, and a shifter.
3. The method of claim 1 , wherein the at least one cell includes an architectural cell.
4. The method of claim 1 , wherein the mapping includes technology mapping.
5. The method of claim 1 , wherein the mapping includes datapath synthesis.
6. The method of claim 5 , wherein the datapath synthesis is automatically performed in response to the receiving the at least one arithmetic operator.
7. The method of claim 1 , and further comprising receiving at least one constraint, wherein the mapping is performed based on the at least one constraint.
8. The method of claim 7 , wherein the at least one constraint is selected from the group consisting of a timing constraint and an architecture constraint.
9. The method of claim 8 , wherein the timing constraint is associated with a timed duration in which it takes the at least one arithmetic operator to execute.
10. The method of claim 1 , wherein the mapping is performed utilizing a library.
11. The method of claim 10 , wherein the library includes a plurality of mappings between a plurality of different arithmetic operators and a plurality of different cells.
12. The method of claim 11 , wherein a single arithmetic operator is mapped to a plurality of cells.
13. The method of claim 12 , wherein the single arithmetic operator is mapped to the plurality of cells, if the library is incapable of being utilized for mapping the single arithmetic operator to a single cell.
14. The method of claim 13 , wherein the library is incapable of being utilized for mapping the single arithmetic operator to the single cell due to a sign or a width of the single arithmetic operator.
15. The method of claim 1 , and further comprising generating a carry save data structure.
16. The method of claim 1 , wherein the plurality of the partial products are processed utilizing a plurality of adders.
17. The method of claim 1 , wherein the plurality of the partial products are processed at the word-level.
18. The method of claim 1 , wherein the plurality of the partial products are processed with a zero loss in accuracy.
19. The method of claim 1 , wherein the plurality of the partial products are processed with a user-defined level of accuracy.
20. The method of claim 1 , and further comprising comparing an error associated with a plurality of mappings.
21. The method of claim 20 , wherein the error associated with the plurality of the mappings is compared to a threshold.
22. The method of claim 20 , wherein one of the plurality of the mappings is selected based on the comparison.
23. The method of claim 1 , wherein the at least one arithmetic operator is represented by a first netlist and the at least one cell is represented by a second netlist, the second netlist achieving a minimal combination of area and power, if timing constraints can be met and achieving a minimal worst timing violation, if the timing constraints cannot be met.
24. A computer program product embodied on a computer readable medium, which when executed by a computer, performs the following steps comprising:
identifying at least one arithmetic operator;
mapping the at least one arithmetic operator to at least one cell, at a word-level;
outputting the at least one cell at the word-level; and
analyzing timing and power utilizing the at least one cell;
wherein the computer program product is operable such that a plurality of the arithmetic operators are received and mapped to the at least one cell, and a plurality of partial products are generated based on the plurality of the arithmetic operators, for decomposing a multiplier into a word-level structure.
25. A system, comprising:
a processor for mapping at least one arithmetic operator to at least one cell, at a word-level, outputting the at least one cell at the word-level; and analyzing timing and power utilizing the at least one cell;
wherein the system is operable such that a plurality of the arithmetic operators are received and mapped to the at least one cell, and a plurality of partial products are generated based on the plurality of the arithmetic operators, for decomposing a multiplier into a word-level structure.
26. The system of claim 25 , wherein the processor is coupled to memory via a bus.