Configurable processor doublet based on three-dimensional memory (3D-M)
View Patent ↗A configurable processor doublet comprises a pair of face-to-face bonded three-dimensional memory (3D-M) die and processing die. The 3D-M die comprises 3D-M arrays, whereas the processing die comprises arithmetic-logic circuits (ALC's). The preferred doublet also comprises an array of configurable computing elements (CCE's). Each CCE comprises at least a 3D-M array, an ALC, and inter-storage-processor (ISP) connections.
1. A configurable processor doublet based on three-dimensional memory (3D-M), comprising:
a 3D-M die comprising a first substrate and a plurality of 3D-M arrays not in contact with said first substrate, wherein said 3D-M arrays store at least portions of look-up tables (LUT's) of mathematical functions, wherein said memory cells do not comprise any single-crystalline semiconductor material;
a processing die comprising a second substrate and a plurality of arithmetic logic circuits (ALC's) in contact with said second substrate, wherein said ALC's perform arithmetic operations on selected data of said LUT's; and, said second substrate is a single-crystalline semiconductor substrate;
a plurality of inter-storage-processor (ISP) connections for communicatively coupling said 3D-M die and said processing die, wherein said ISP-connections do not penetrate through any substrate;
an array of configurable computing elements (CCE's), wherein each of said CCE's comprises a selected one of said ALC's and at least an associated one of said 3D-M arrays; and, said selected one of said ALC's and said associated one of said 3D-M arrays at least partially overlap;
wherein said 3D-M die and said processing die are face-to-face bonded.
2. The configurable processor doublet 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 doublet 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 doublet according to claim 3 , further comprising at least one multiplier coupled with said CIT's.
5. The configurable processor doublet according to claim 1 , wherein said configurable processor comprises at least one thousand CCE's.
6. The configurable processor doublet according to claim 1 , wherein said configurable processor comprises at least ten thousand CCE's.
7. The configurable processor doublet 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 selected one of said ALC's.
8. The configurable processor doublet according to claim 1 , wherein said 3D-M arrays are three-dimensional non-volatile memory (3D-NVM) arrays.
9. The configurable processor doublet according to claim 1 , wherein said memory cells comprise diodes or diode-like devices.
10. The configurable processor doublet according to claim 1 , wherein said memory cells comprise selectors or selector-like devices.
11. The configurable processor doublet according to claim 1 , wherein said memory cells comprise transistors or transistor-like devices.
12. The configurable processor doublet 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 doublet according to claim 1 , wherein said mathematical functions involve more operations than arithmetic operations performable by said ALC's.
14. The configurable processor doublet according to claim 1 , wherein said LUT's include functional values of said mathematical functions.
15. The configurable processor doublet according to claim 1 , wherein said LUT's include derivative values of said mathematical functions.
16. The configurable processor doublet according to claim 1 , wherein said mathematical functions include mathematical models.
17. The configurable processor doublet according to claim 16 , wherein said mathematical models include raw measurement data.
18. The configurable processor doublet according to claim 16 , wherein said mathematical models include smoothed measurement data.
19. The configurable processor doublet according to claim 1 , wherein said ALC's include adders, multipliers, and/or multiplier accumulators (MAC's).
20. The configurable processor doublet according to claim 1 , wherein said ISP connections include contacted vias and/or micro-bumps.