Methods and systems for using state vector data in a state machine engine
A state machine engine includes a state vector system. The state vector system includes an input buffer configured to receive state vector data from a restore buffer and to provide state vector data to a state machine lattice. The state vector system also includes an output buffer configured to receive state vector data from the state machine lattice and to provide state vector data to a save buffer.
1. A system, comprising
a host device comprising a processor and a memory coupled to the processor; and
a state machine engine coupled to the host device via a bus interface, wherein the state machine engine comprises:
a state machine lattice;
a restore buffer configured to receive state vector data from the host via the bus interface coupling the host to the state machine engine;
a save buffer configured to provide state vector data to the host via the bus interface coupling the host to the state machine engine; and
a state vector system coupled to the state machine lattice, wherein the state vector system comprises:
an input buffer configured to receive state vector data from the restore buffer of the state machine engine and to provide state vector data to the state machine lattice to initialize or restore a state of the state machine lattice, wherein the state vector data includes a state vector as an indication of a state of all or certain configurable elements of the state machine lattice at a given moment as an indication of a particular state of the state machine lattice; and
an output buffer configured to receive state vector data from the state machine lattice and to provide state vector data to the save buffer of the state machine engine as save map data.
2. The system of claim 1 , wherein the input buffer is configured to receive state vector data from a second state machine lattice of the state machine engine via a buffer interface of the state machine engine.
3. The system of claim 1 , wherein the state vector system comprises a state vector storage device configured to receive state vector data from the state machine lattice and to store state vector data.
4. The system of claim 3 , wherein the input buffer is configured to receive state vector data from the state vector storage device.
5. The system of claim 3 , wherein the output buffer is configured to receive state vector data from the state vector storage device.
6. The system of claim 3 , wherein the state vector system comprises a memory buffer configured to receive state vector data from the state machine lattice and to provide state vector data to the state vector storage device.
7. The system of claim 6 , wherein the memory buffer is configured to receive state vector data from the state vector storage device and to provide state vector data to a second state machine lattice of the state machine engine.
8. The system of claim 6 , wherein the memory buffer is configured to receive state vector data from a second state machine lattice of the state machine engine.
9. The system of claim 6 , wherein the memory buffer is configured to receive state vector data from the restore buffer.
10. The system claim 6 , wherein the memory buffer is configured to provide state vector data to the save buffer.
11. The system of claim 1 , wherein the output buffer is configured to provide state vector data to a second state machine lattice of the of the state machine engine via a buffer interface of the state machine engine.
12. The system of claim 1 , wherein the output buffer is configured to temporarily store one state vector.
13. A state machine engine, comprising:
a restore buffer configured to receive state vector data from a host external to the state machine engine via a bus interface coupling the host to the state machine engine;
a save buffer configured to provide state vector data to the host via the bus interface coupling the host to the state machine engine; and
a state vector system configured to store a plurality of state vectors of a state machine lattice as state vector data as indications of states of all or certain configurable elements of the state machine lattice at a given moment during an analysis of data by the state machine lattice and to provide a state vector to the state machine lattice to restore the state machine lattice to a particular state corresponding to the provided state vector for further analysis of the data by the state machine lattice.
14. The state machine engine of claim 13 , wherein the state vector system comprises:
an input buffer configured to receive state vectors;
an output buffer configured to provide state vectors; and
a storage device configured to store state vectors.
15. The state machine engine of claim 13 , wherein the state machine engine is configured to:
provide state vectors to a plurality of state machine lattices; and
receive state vectors from the plurality of state machine lattices.
16. A system, comprising:
a state machine engine, comprising:
an intra-rank (IR) bus and process buffer interface configured to facilitate the analyzing of multiple data sets in parallel through a logical rank of state machine lattices; and
a state vector system coupled to the IR bus and process buffer interface, the state vector system comprising:
an input buffer configured to receive state vector data from a first state machine lattice via the IR bus and process buffer interface and to provide the state vector data to a second state machine lattice, wherein the state vector data includes a state vector as an indication of a state of all or certain configurable elements of the first state machine lattice at a given moment as an indication of a particular state of the first state machine lattice; and
an output buffer configured to receive second state vector data from the second state machine lattice and to provide the second state vector data to the first state machine lattice via the IR bus and process buffer interface.
17. The system of claim 16 , wherein the first and second state machine lattices are located on different physical devices.
18. The system of claim 16 , wherein the first and second state machine lattices are located on the same physical device.
19. The system of claim 16 , comprising a host device coupled to the state machine element via a bus interface, wherein the state machine element is configured to transmit the state vector data to the host device.
20. A device, comprising:
a state machine lattice configured to generate state vector data, wherein the state vector data includes a state vector as an indication of a state of all or certain configurable elements of the state machine lattice at a given moment as an indication of a particular state of the state machine lattice;
a cache configured to store second state vector data;
a buffer coupled to the state machine lattice and the cache and configured to receive the state vector data from the state machine lattice and the second state vector data from the cache; and
an intra-rank (IR) bus and process buffer interface configured to facilitate the analyzing of multiple data sets in parallel through a logical rank of state machine lattices, wherein the IR bus and process buffer interface is coupled to the buffer, wherein the buffer is configured to provide the state vector data and the second state vector data to the intra-rank (IR) bus and process buffer interface.
21. The device of claim 20 , comprising a second state machine lattice coupled to the interface, wherein the second state machine lattice is configured to receive the state vector data or the second state vector data from the interface.