Overflow detection and correction in state machine engines
State machine engines are disclosed, including those having an inter-rank bus control system, which may include a register. The state machine engine may include a plurality of configurable elements, such that each of the plurality of configurable elements comprises a plurality of memory cells. These cells may analyze data and output a result of the analysis. The IR bus control system may halt a write operation of data to be analyzed by the cells based, at least in part, on one or more conditions.
1. A device, comprising:
a data analysis engine, comprising:
a core comprising a plurality of configurable elements, wherein each of the plurality of configurable elements comprises a data analysis element comprising a memory component programmed with configuration data, wherein the data analysis element is configured to analyze at least a portion of data based on the configuration data and to output a result of the analysis;
a storage location configured to store the data to be transmitted to the core; and
a bus control system configured to receive an indication of an amount of data locations being utilized in the storage location and transmit a halt signal configured to halt a write operation to the storage location based, at least in part, on the amount of data locations being utilized in the storage location.
2. The device of claim 1 , wherein the bus control system is configured to compare the indication with a threshold.
3. The device of claim 2 , wherein the bus control system is configured to generate the halt signal as indicative of an overflow condition based, at least in part, on whether the indication meets or exceeds the threshold.
4. The device of claim 2 , wherein the bus control system is configured to determine if any of the data locations are available in the storage location based, at least in part, on whether the indication meets or exceeds the threshold.
5. The device of claim 4 , wherein the bus control system is configured to transmit an indication to allow writing of data to the determined available data locations.
6. The device of claim 1 , wherein the bus control system is configured to monitor a transmission of the data from the storage location.
7. The device of claim 6 , wherein the bus control system is configured to transmit a restart signal based, at least in part, on a status of the transmission of the data from the storage location.
8. The device of claim 6 , wherein the bus control system is configured to transmit a restart signal if the transmission of the data from the storage location is complete.
9. The device of claim 8 , wherein the device initializes a second write operation based, at least in part, on the restart signal.
10. The device of claim 1 , wherein the storage location comprises a buffer.
11. The device of claim 10 , wherein the buffer comprises a data buffer.
12. The device of claim 10 , wherein the buffer comprises a process buffer.
13. The device of claim 1 , wherein the storage location comprises a register.
14. A system, comprising:
a data analysis engine comprising a core;
a processor coupled to the data analysis engine, wherein the processor is configured to transmit instructions corresponding to input data to be analyzed via the data analysis engine;
a memory coupled to the data analysis engine, wherein the data analysis engine is configured to receive the input data to be analyzed from the memory, wherein the data analysis engine comprises:
a bus control system configured to halt a write operation of the input data, wherein the core comprises a plurality of configurable elements and each of the plurality of configurable elements comprises a data analysis element comprising a memory component programmed with configuration data, wherein the data analysis element is configured to analyze at least a portion of the input data based on the configuration data and to output a result of the analysis; and
a storage location configured to store the input data, wherein the bus control system is configured to halt the write operation to the storage location based, at least in part, on an indication of an amount of data locations being utilized in the storage location.
15. The system of claim 14 , wherein the bus control system is configured to determine if any of the data locations are available in the storage location and transmit an indication to allow writing of additional data to the available data locations prior to halting the write operation.
16. The system of claim 14 , wherein the storage location comprises a buffer.
17. The system of claim 14 , wherein the storage location comprises a register.
18. The system of claim 14 , wherein the bus control system is configured to monitor a transmission of the input data from the storage location.
19. A method, comprising:
transmitting instructions corresponding to input data to be analyzed via a data analysis engine;
transmitting the input data to be analyzed to the data analysis engine;
halting a write operation of the input data to a core of the data analysis engine based, at least in part, on an indication of an amount of data locations being utilized in a storage location to store the input data, wherein the core comprises a plurality of configurable elements and each of the plurality of configurable elements comprises a data analysis element comprising a plurality of memory cells, wherein the data analysis element is configured to analyze at least a portion of the input data and to output a result.
20. The method of claim 19 , comprising:
determining if any of the data locations are available in the storage location; and
transmitting an indication to allow writing of additional data to the available data locations prior to halting the write operation.