BR9406606A - Mecanismo para história especulativa em um buffer objeto de ramificação - Google Patents
Mecanismo para história especulativa em um buffer objeto de ramificaçãoInfo
- Publication number
- BR9406606A BR9406606A BR9406606A BR9406606A BR9406606A BR 9406606 A BR9406606 A BR 9406606A BR 9406606 A BR9406606 A BR 9406606A BR 9406606 A BR9406606 A BR 9406606A BR 9406606 A BR9406606 A BR 9406606A
- Authority
- BR
- Brazil
- Prior art keywords
- object buffer
- branch object
- speculative history
- speculative
- history
- 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
- G06F9/38—Concurrent instruction execution, e.g. pipeline or look ahead
- G06F9/3802—Instruction prefetching
- G06F9/3804—Instruction prefetching for branches, e.g. hedging, branch folding
- G06F9/3806—Instruction prefetching for branches, e.g. hedging, branch folding using address prediction, e.g. return stack, branch history buffer
-
- 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
- G06F9/3836—Instruction issuing, e.g. dynamic instruction scheduling or out of order instruction execution
- G06F9/3842—Speculative instruction execution
- G06F9/3844—Speculative instruction execution using dynamic branch prediction, e.g. using branch history tables
Landscapes
- Engineering & Computer Science (AREA)
- Software Systems (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Advance Control (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US6201293A | 1993-05-14 | 1993-05-14 | |
PCT/US1994/003897 WO1994027210A1 (en) | 1993-05-14 | 1994-04-08 | Speculative history mechanism in a branch target buffer |
GB9414028A GB2291513B (en) | 1993-05-14 | 1994-07-12 | Speculative history mechanism in a branch target buffer |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9406606A true BR9406606A (pt) | 1996-01-02 |
Family
ID=26305252
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9406606A BR9406606A (pt) | 1993-05-14 | 1994-04-08 | Mecanismo para história especulativa em um buffer objeto de ramificação |
Country Status (5)
Country | Link |
---|---|
AU (1) | AU6701794A (pt) |
BR (1) | BR9406606A (pt) |
DE (1) | DE4493224T1 (pt) |
GB (1) | GB2291513B (pt) |
WO (1) | WO1994027210A1 (pt) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5864697A (en) * | 1996-06-28 | 1999-01-26 | Texas Instruments Incorporated | Microprocessor using combined actual and speculative branch history prediction |
US6260138B1 (en) | 1998-07-17 | 2001-07-10 | Sun Microsystems, Inc. | Method and apparatus for branch instruction processing in a processor |
US6427206B1 (en) * | 1999-05-03 | 2002-07-30 | Intel Corporation | Optimized branch predictions for strongly predicted compiler branches |
WO2012093489A1 (ja) | 2011-01-07 | 2012-07-12 | 富士通株式会社 | 演算処理装置および分岐予測方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4477872A (en) * | 1982-01-15 | 1984-10-16 | International Business Machines Corporation | Decode history table for conditional branch instructions |
US4679141A (en) * | 1985-04-29 | 1987-07-07 | International Business Machines Corporation | Pageable branch history table |
JP2722523B2 (ja) * | 1988-09-21 | 1998-03-04 | 日本電気株式会社 | 命令先取り装置 |
US5142634A (en) * | 1989-02-03 | 1992-08-25 | Digital Equipment Corporation | Branch prediction |
US5210831A (en) * | 1989-10-30 | 1993-05-11 | International Business Machines Corporation | Methods and apparatus for insulating a branch prediction mechanism from data dependent branch table updates that result from variable test operand locations |
US5226130A (en) * | 1990-02-26 | 1993-07-06 | Nexgen Microsystems | Method and apparatus for store-into-instruction-stream detection and maintaining branch prediction cache consistency |
US5265213A (en) * | 1990-12-10 | 1993-11-23 | Intel Corporation | Pipeline system for executing predicted branch target instruction in a cycle concurrently with the execution of branch instruction |
-
1994
- 1994-04-08 DE DE4493224T patent/DE4493224T1/de not_active Withdrawn
- 1994-04-08 AU AU67017/94A patent/AU6701794A/en not_active Abandoned
- 1994-04-08 BR BR9406606A patent/BR9406606A/pt not_active IP Right Cessation
- 1994-04-08 WO PCT/US1994/003897 patent/WO1994027210A1/en active Application Filing
- 1994-07-12 GB GB9414028A patent/GB2291513B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE4493224T1 (de) | 1996-04-25 |
GB2291513B (en) | 1999-04-28 |
GB2291513A (en) | 1996-01-24 |
AU6701794A (en) | 1994-12-12 |
GB9414028D0 (en) | 1994-08-31 |
WO1994027210A1 (en) | 1994-11-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FB36 | Technical and formal requirements: requirement - article 36 of industrial property law | ||
FF | Decision: intention to grant | ||
FG9A | Patent or certificate of addition granted | ||
B21A | Patent or certificate of addition expired [chapter 21.1 patent gazette] |
Free format text: PATENTE EXTINTA EM 08/04/2014 |