Configurable processor
View Patent ↗A configurable processor comprises at least an array of configurable computing elements (CCE's). Each CCE comprises at least a three-dimensional (3-D) memory (3D-M) array; an arithmetic logic circuit (ALC); and, a plurality of inter-storage-processor (ISP) connections. Not penetrating through any semiconductor substrate, the ISP-connections are short, small and numerous.
1. A configurable processor, comprising a single-crystalline semiconductor substrate and an array of configurable computing elements (CCE's), each of said CCE's comprising:
at least a three-dimensional memory (3D-M) array including memory cells for storing at least a portion of a look-up table (LUT) of a mathematical function, wherein said memory cells are neither in contact with nor interposed therebetween by any semiconductor substrate including said single-crystalline semiconductor substrate; and, said memory cells do not comprise any single-crystalline semiconductor material;
an arithmetic logic circuit (ALC) and at least a portion of a peripheral circuit of said 3D-M array disposed on said single-crystalline semiconductor substrate, wherein said ALC performs at least one arithmetic operation on selected data of said LUT; said ALC and said portion of said peripheral circuit are communicatively coupled; and, said ALC and said portion of said peripheral circuit comprise at least a single-crystalline semiconductor material;
a plurality of inter-storage-processor (ISP) connections for communicatively coupling said memory cells and said portion of said peripheral circuit, wherein said ISP-connections do not penetrate through any semiconductor substrate including said single-crystalline semiconductor substrate; and, said memory cells and said ALC at least partially overlap.
2. The configurable processor according to claim 1 , further comprising at least an array of configurable logic elements (CLE's), wherein each of said CLE's selectively realizes a logic function from a logic library.
3. The configurable processor according to claim 1 , further comprising at least an array of configurable interconnects (CIT's), wherein each of said CIT's selectively realizes an interconnect from an interconnect library.
4. The configurable processor according to claim 1 , further comprising at least one multiplier disposed on said single-crystalline semiconductor substrate.
5. The configurable processor according to claim 1 being a singlet, comprising no more semiconductor substrate other than said single-crystalline semiconductor substrate.
6. The configurable processor according to claim 1 being a doublet, further comprising:
a processing die including said ALC and said portion of said peripheral circuit disposed on said single-crystalline semiconductor substrate;
a 3D-M die including said 3D-M array disposed on another semiconductor substrate different from said single-crystalline semiconductor substrate;
wherein said processing die and said 3D-M die are face-to-face bonded;
and, said doublet includes only said single-crystalline semiconductor substrate and said another semiconductor substrate.
7. The configurable processor according to claim 1 , wherein said configurable processor comprises at least one thousand CCE's.
8. The configurable processor according to claim 1 , wherein each of said CCE's comprises at least first and second 3D-M arrays disposed side-by-side and overlapping with said ALC.
9. The configurable processor according to claim 1 , wherein said 3D-M array is a three-dimensional non-volatile memory (3D-NVM) array.
10. The configurable processor according to claim 1 , wherein said memory cells comprise diodes or diode-like devices.
11. The configurable processor according to claim 1 , wherein said memory cells comprise transistors or transistor-like devices.
12. The configurable processor according to claim 1 , wherein said memory cells are re-programmable, whereby each of said CCE's can be re-configured to realize a different mathematical function by loading the LUT of said different mathematical function into said memory cells.
13. The configurable processor according to claim 1 , wherein said mathematical function involves more operations than arithmetic operations performable by said ALC.
14. The configurable processor according to claim 1 , wherein said LUT includes functional values and/or derivative values of said mathematical function.
15. The configurable processor according to claim 1 , wherein said mathematical function includes a mathematical model.
16. The configurable processor according to claim 15 , wherein said mathematical model includes raw measurement data and/or smoothed measurement data.
17. The configurable processor according to claim 1 , wherein said ALC comprises at least an adder, a multiplier, and/or a multiplier accumulator (MAC).
18. The configurable processor according to claim 1 , wherein:
each of said CCE's comprises at least one thousand ISP connections; and/or,
the length of said ISP connections is on the order of one micrometer.
19. The configurable processor according to claim 1 , wherein said ISP connections include contact vias, contacted vias and/or micro-bumps.