WO2001077819A3 - Method for making efficient service calls to a hardware coprocessor - Google Patents
Method for making efficient service calls to a hardware coprocessor Download PDFInfo
- Publication number
- WO2001077819A3 WO2001077819A3 PCT/US2001/011212 US0111212W WO0177819A3 WO 2001077819 A3 WO2001077819 A3 WO 2001077819A3 US 0111212 W US0111212 W US 0111212W WO 0177819 A3 WO0177819 A3 WO 0177819A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- coprocessor
- service port
- status
- service
- different
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
- G06F9/3017—Runtime instruction translation, e.g. macros
- G06F9/30174—Runtime instruction translation, e.g. macros for non-native instruction set, e.g. Javabyte, legacy code
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
- G06F9/38—Concurrent instruction execution, e.g. pipeline or look ahead
- G06F9/3877—Concurrent instruction execution, e.g. pipeline or look ahead using a slave processor, e.g. coprocessor
- G06F9/3879—Concurrent instruction execution, e.g. pipeline or look ahead using a slave processor, e.g. coprocessor for non-native instruction execution, e.g. executing a command; for Java instruction set
Landscapes
- Engineering & Computer Science (AREA)
- Software Systems (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Hardware Redundancy (AREA)
- Advance Control (AREA)
Abstract
A coprocessor has a service port architecture which may support multiple service ports, each of which may be assigned to a different process. Operations supported by the coprocessor may be requested using commands to the service port, and status may be checked using status commands to the service port. Since different processes may be assigned to different service ports, the coprocessor may be able to determine, while performing an operation for a process, that a different process is requesting an operation. In one embodiment, the coprocessor may interrupt the in-progress operation to perform the newly requested operation. When status is requested for the interrupted operation, the coprocessor may return a failure status code indicating the interrupted operation was interrupted. In one embodiment, when the coprocessor initiates an operation for a service port, the coprocessor establishes a reservation for that service port. If a reservation for a service port is inactive when a status command is received on that service port, then the coprocessor may indicate that the operation failed (was unsuccessful) due to interruption by another operation from a different service port. In one embodiment, the coprocessor may support the locking of one or more resources which may store the output of an operation. If another operation would use the resources locked to a service port, that operation may be terminated with a failure status indicating that the resources used are locked to another service port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU5319901A AU5319901A (en) | 2000-04-05 | 2001-04-05 | Method for making efficient service calls to a hardware coprocessor |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US54359800A | 2000-04-05 | 2000-04-05 | |
| US09/543,598 | 2000-04-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2001077819A2 WO2001077819A2 (en) | 2001-10-18 |
| WO2001077819A3 true WO2001077819A3 (en) | 2002-07-04 |
Family
ID=24168702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/US2001/011212 WO2001077819A2 (en) | 2000-04-05 | 2001-04-05 | Method for making efficient service calls to a hardware coprocessor |
Country Status (2)
| Country | Link |
|---|---|
| AU (1) | AU5319901A (en) |
| WO (1) | WO2001077819A2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7234144B2 (en) | 2002-01-04 | 2007-06-19 | Microsoft Corporation | Methods and system for managing computational resources of a coprocessor in a computing system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998021655A1 (en) * | 1996-11-13 | 1998-05-22 | Paran, Arik | Real time program language accelerator |
| US5790881A (en) * | 1995-02-07 | 1998-08-04 | Sigma Designs, Inc. | Computer system including coprocessor devices simulating memory interfaces |
| US6075546A (en) * | 1997-11-10 | 2000-06-13 | Silicon Grahphics, Inc. | Packetized command interface to graphics processor |
-
2001
- 2001-04-05 WO PCT/US2001/011212 patent/WO2001077819A2/en active Application Filing
- 2001-04-05 AU AU5319901A patent/AU5319901A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5790881A (en) * | 1995-02-07 | 1998-08-04 | Sigma Designs, Inc. | Computer system including coprocessor devices simulating memory interfaces |
| WO1998021655A1 (en) * | 1996-11-13 | 1998-05-22 | Paran, Arik | Real time program language accelerator |
| US6075546A (en) * | 1997-11-10 | 2000-06-13 | Silicon Grahphics, Inc. | Packetized command interface to graphics processor |
Also Published As
| Publication number | Publication date |
|---|---|
| AU5319901A (en) | 2001-10-23 |
| WO2001077819A2 (en) | 2001-10-18 |
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