Patents by Inventor THAO T. DOAN
THAO T. DOAN has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10956158Abstract: A method, processor and system for processing data is disclosed that includes evicting one or more evicted fields from a logical register mapper; receiving, by a history buffer, the one or more evicted fields from the logical register mapper; determining whether two or more of the evicted fields from the mapper qualify to be written to a single entry in the history buffer; and in response to the two or more evicted fields qualifying, writing the two or more qualifying evicted fields received from the mapper to a single entry in the qualified history buffer. The method, processor, and/or system further includes in an embodiment, remapping the one or more qualified evicted fields, and further, in response to the two or more evicted fields not qualifying to be written to a single entry in the history buffer, writing the two or more evicted fields to multiple history buffer entries.Type: GrantFiled: May 10, 2019Date of Patent: March 23, 2021Assignee: International Business Machines CorporationInventors: Steven J. Battle, Khandker N. Adeeb, Brian D. Barrick, Joshua W. Bowman, Thao T. Doan, Susan E. Eisen, Brandon Goddard, Dung Q. Nguyen
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Publication number: 20200356366Abstract: A method, processor and system for processing data is disclosed that includes evicting one or more evicted fields from a logical register mapper; receiving, by a history buffer, the one or more evicted fields from the logical register mapper; determining whether two or more of the evicted fields from the mapper qualify to be written to a single entry in the history buffer; and in response to the two or more evicted fields qualifying, writing the two or more qualifying evicted fields received from the mapper to a single entry in the qualified history buffer. The method, processor, and/or system further includes in an embodiment, remapping the one or more qualified evicted fields, and further, in response to the two or more evicted fields not qualifying to be written to a single entry in the history buffer, writing the two or more evicted fields to multiple history buffer entries.Type: ApplicationFiled: May 10, 2019Publication date: November 12, 2020Inventors: Steven J. Battle, Khandker N. Adeeb, Brian D. Barrick, Joshua W. Bowman, Thao T. Doan, Susan E. Eisen, Brandon Goddard, Dung Q. Nguyen
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Patent number: 10140127Abstract: Operation of a multi-slice processor including execution slices and load/store slices, where the load/store slices are coupled to the execution slices via a results bus and the results bus includes segments assigned to carry results of a different instruction type, includes: receiving a producer instruction that includes an identifier of an instruction type and an identifier of the producer instruction, including storing the identifier of the instruction type and the identifier of the producer instruction in an entry of a register; receiving a source instruction dependent upon the result of the producer instruction including storing, in an issue queue, the source instruction, the identifier of the instruction type of the producer instruction, and an identifier of the producer instruction; and snooping the identifier of the producer instruction only from the segment of the results bus assigned to carry results of the instruction type of the producer instruction.Type: GrantFiled: February 19, 2018Date of Patent: November 27, 2018Assignee: International Business Machines CorporationInventors: Brian D. Barrick, Sundeep Chadha, Maureen A. Delaney, Thao T. Doan, Michael J. Genden, Rokesh Jayasundar, Dung Q. Nguyen, David R. Terry
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Patent number: 10127047Abstract: Operation of a multi-slice processor including execution slices and load/store slices, where the load/store slices are coupled to the execution slices via a results bus and the results bus includes segments assigned to carry results of a different instruction type, includes: receiving a producer instruction that includes an identifier of an instruction type and an identifier of the producer instruction, including storing the identifier of the instruction type and the identifier of the producer instruction in an entry of a register; receiving a source instruction dependent upon the result of the producer instruction including storing, in an issue queue, the source instruction, the identifier of the instruction type of the producer instruction, and an identifier of the producer instruction; and snooping the identifier of the producer instruction only from the segment of the results bus assigned to carry results of the instruction type of the producer instruction.Type: GrantFiled: February 18, 2018Date of Patent: November 13, 2018Assignee: International Business Machines CorporationInventors: Brian D. Barrick, Sundeep Chadha, Maureen A. Delaney, Thao T. Doan, Michael J. Genden, Rokesh Jayasundar, Dung Q. Nguyen, David R. Terry
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Publication number: 20180232236Abstract: Operation of a multi-slice processor including execution slices and load/store slices, where the load/store slices are coupled to the execution slices via a results bus and the results bus includes segments assigned to carry results of a different instruction type, includes: receiving a producer instruction that includes an identifier of an instruction type and an identifier of the producer instruction, including storing the identifier of the instruction type and the identifier of the producer instruction in an entry of a register; receiving a source instruction dependent upon the result of the producer instruction including storing, in an issue queue, the source instruction, the identifier of the instruction type of the producer instruction, and an identifier of the producer instruction; and snooping the identifier of the producer instruction only from the segment of the results bus assigned to carry results of the instruction type of the producer instruction.Type: ApplicationFiled: February 18, 2018Publication date: August 16, 2018Inventors: BRIAN D. BARRICK, SUNDEEP CHADHA, MAUREEN A. DELANEY, THAO T. DOAN, MICHAEL J. GENDEN, ROKESH JAYASUNDAR, DUNG Q. NGUYEN, DAVID R. TERRY
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Publication number: 20180232230Abstract: Operation of a multi-slice processor including execution slices and load/store slices, where the load/store slices are coupled to the execution slices via a results bus and the results bus includes segments assigned to carry results of a different instruction type, includes: receiving a producer instruction that includes an identifier of an instruction type and an identifier of the producer instruction, including storing the identifier of the instruction type and the identifier of the producer instruction in an entry of a register; receiving a source instruction dependent upon the result of the producer instruction including storing, in an issue queue, the source instruction, the identifier of the instruction type of the producer instruction, and an identifier of the producer instruction; and snooping the identifier of the producer instruction only from the segment of the results bus assigned to carry results of the instruction type of the producer instruction.Type: ApplicationFiled: February 19, 2018Publication date: August 16, 2018Inventors: Brian D. Barrick, Sundeep Chadha, Maureen A. Delaney, Thao T. Doan, Michael J. Genden, Rokesh Jayasundar, Dung Q. Nguyen, David R. Terry
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Patent number: 9952874Abstract: Operation of a multi-slice processor including execution slices and load/store slices, where the load/store slices are coupled to the execution slices via a results bus and the results bus includes segments assigned to carry results of a different instruction type, includes: receiving a producer instruction that includes an identifier of an instruction type and an identifier of the producer instruction, including storing the identifier of the instruction type and the identifier of the producer instruction in an entry of a register; receiving a source instruction dependent upon the result of the producer instruction including storing, in an issue queue, the source instruction, the identifier of the instruction type of the producer instruction, and an identifier of the producer instruction; and snooping the identifier of the producer instruction only from the segment of the results bus assigned to carry results of the instruction type of the producer instruction.Type: GrantFiled: February 18, 2016Date of Patent: April 24, 2018Assignee: International Business Machines CorporationInventors: Brian D. Barrick, Sundeep Chadha, Maureen A. Delaney, Thao T. Doan, Michael J. Genden, Rokesh Jayasundar, Dung Q. Nguyen, David R. Terry
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Patent number: 9952861Abstract: Operation of a multi-slice processor including execution slices and load/store slices, where the load/store slices are coupled to the execution slices via a results bus and the results bus includes segments assigned to carry results of a different instruction type, includes: receiving a producer instruction that includes an identifier of an instruction type and an identifier of the producer instruction, including storing the identifier of the instruction type and the identifier of the producer instruction in an entry of a register; receiving a source instruction dependent upon the result of the producer instruction including storing, in an issue queue, the source instruction, the identifier of the instruction type of the producer instruction, and an identifier of the producer instruction; and snooping the identifier of the producer instruction only from the segment of the results bus assigned to carry results of the instruction type of the producer instruction.Type: GrantFiled: December 15, 2015Date of Patent: April 24, 2018Assignee: International Business Machines CorporationInventors: Brian D. Barrick, Sundeep Chadha, Maureen A. Delaney, Thao T. Doan, Michael J. Genden, Rokesh Jayasundar, Dung Q. Nguyen, David R. Terry
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Publication number: 20170168822Abstract: Operation of a multi-slice processor including execution slices and load/store slices, where the load/store slices are coupled to the execution slices via a results bus and the results bus includes segments assigned to carry results of a different instruction type, includes: receiving a producer instruction that includes an identifier of an instruction type and an identifier of the producer instruction, including storing the identifier of the instruction type and the identifier of the producer instruction in an entry of a register; receiving a source instruction dependent upon the result of the producer instruction including storing, in an issue queue, the source instruction, the identifier of the instruction type of the producer instruction, and an identifier of the producer instruction; and snooping the identifier of the producer instruction only from the segment of the results bus assigned to carry results of the instruction type of the producer instruction.Type: ApplicationFiled: December 15, 2015Publication date: June 15, 2017Inventors: BRIAN D. BARRICK, SUNDEEP CHADHA, MAUREEN A. DELANEY, THAO T. DOAN, MICHAEL J. GENDEN, ROKESH JAYASUNDAR, DUNG Q. NGUYEN, DAVID R. TERRY
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Publication number: 20170168834Abstract: Operation of a multi-slice processor including execution slices and load/store slices, where the load/store slices are coupled to the execution slices via a results bus and the results bus includes segments assigned to carry results of a different instruction type, includes: receiving a producer instruction that includes an identifier of an instruction type and an identifier of the producer instruction, including storing the identifier of the instruction type and the identifier of the producer instruction in an entry of a register; receiving a source instruction dependent upon the result of the producer instruction including storing, in an issue queue, the source instruction, the identifier of the instruction type of the producer instruction, and an identifier of the producer instruction; and snooping the identifier of the producer instruction only from the segment of the results bus assigned to carry results of the instruction type of the producer instruction.Type: ApplicationFiled: February 18, 2016Publication date: June 15, 2017Inventors: BRIAN D. BARRICK, SUNDEEP CHADHA, MAUREEN A. DELANEY, THAO T. DOAN, MICHAEL J. GENDEN, ROKESH JAYASUNDAR, DUNG Q. NGUYEN, DAVID R. TERRY