Integrating buffer views into buffer access operations in a coarse-grained reconfigurable computing environment

1. A system for integrating buffer views into buffer access operations in a reconfigurable computing environment, the system comprising:

an allocation statement detector configured to detect, in an instruction stream for a reconfigurable dataflow unit (RDU), a buffer allocation statement comprising a tensor indexing expression, a buffer view indicator and one or more buffer view parameters;

an allocation statement modifier configured to lower the buffer view parameters into the tensor indexing expression according to the buffer view indicator to produce a modified tensor indexing expression;

the allocation statement modifier further configured to remove the buffer view indicator from the buffer allocation statement to produce a modified buffer allocation statement comprising the modified tensor indexing expression; and

a buffer allocation module configured to allocate a buffer according to the modified buffer allocation statement.

2. The system of claim 1 , further comprising an RDU for processing data according to the modified buffer allocation statement.

3. The system of claim 2 , further comprising a configuration module for configuring the RDU according to the modified buffer allocation statement.

4. The system of claim 3 , wherein configuring the RDU comprises configuring an address generator to execute the modified tensor indexing expression.

5. The system of claim 1 , wherein the buffer view indicator is selected from the group consisting of a slice view indicator, a repeat view indicator, a temporal tile view indicator, a reshape view indicator, a permute view indicator, a layout view indicator and a roll view indicator.

6. The system of claim 1 , wherein the buffer view indicator is stackable with other buffer view indicators.

7. The system of claim 1 , wherein the buffer allocation statement specifies a buffer read pattern or a buffer write pattern.

8. A method for integrating buffer views into buffer access operations in a reconfigurable computing environment, the method comprising:

detecting, in an instruction stream for a reconfigurable dataflow unit (RDU), a buffer allocation statement comprising a tensor indexing expression, a buffer view indicator and one or more buffer view parameters;

lowering the buffer view parameters into the tensor indexing expression according to the buffer view indicator to produce a modified tensor indexing expression;

removing the buffer view indicator from the buffer allocation statement to produce a modified buffer allocation statement comprising the modified tensor indexing expression; and

allocating a buffer according to the modified buffer allocation statement.

9. The method of claim 8 , further comprising configuring the RDU according to the modified buffer allocation statement.

10. The method of claim 9 , wherein configuring the RDU comprises configuring an address generator to execute the modified tensor indexing expression.

11. The method of claim 8 , further comprising processing data with the RDU according to the modified buffer allocation statement.

12. The method of claim 8 , wherein the buffer view indicator is selected from the group consisting of a slice view indicator, a repeat view indicator, a temporal tile view indicator, a reshape view indicator, a permute view indicator, a layout view indicator and a roll view indicator.

13. The method of claim 8 , wherein the buffer view indicator is stackable with other buffer view indicators.

14. The method of claim 8 , wherein the buffer allocation statement specifies a buffer read pattern or a buffer write pattern.

15. A non-transitory computer readable medium having instructions encoded thereon to execute a method for integrating buffer views into buffer access operations in a reconfigurable computing environment, the method comprising:

detecting, in an instruction stream for a reconfigurable dataflow unit (RDU), a buffer allocation statement comprising a tensor indexing expression, a buffer view indicator and one or more buffer view parameters;

lowering the buffer view parameters into the tensor indexing expression according to the buffer view indicator to produce a modified tensor indexing expression;

removing the buffer view indicator from the buffer allocation statement to produce a modified buffer allocation statement comprising the modified tensor indexing expression; and

allocating a buffer according to the modified buffer allocation statement.

16. The non-transitory computer readable medium of claim 15 , wherein the method further comprises configuring the RDU according to the modified buffer allocation statement.

17. The non-transitory computer readable medium of claim 16 , wherein configuring the RDU comprises configuring an address generator to execute the modified tensor indexing expression.

18. The non-transitory computer readable medium of claim 15 , wherein the method further comprises processing data with the RDU according to the modified buffer allocation statement.

19. The non-transitory computer readable medium of claim 15 , wherein the buffer view indicator is selected from the group consisting of a slice view indicator, a repeat view indicator, a temporal tile view indicator, a reshape view indicator, a permute view indicator, a layout view indicator and a roll view indicator.

20. The non-transitory computer readable medium of claim 15 , wherein the buffer view indicator is stackable with other buffer view indicators.

21. The non-transitory computer readable medium of claim 15 , wherein the buffer allocation statement specifies a buffer read pattern or a buffer write pattern.