[특허]System and method for compiling a source code supporting data parallel variables

System and method for compiling a source code supporting data parallel variables 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G06F-009/44
출원번호	US-0179267 (1994-01-10)
발명자 / 주소	Jourdenais Karen C. (Concord MA) Frankel James L. (Lexington MA) Goldhaber Steven N. (Boulder CO) Seamonson Linda J. (Wellesley MA)
출원인 / 주소	Thinking Machines Corporation (Cambridge MA 02)
인용정보	피인용 횟수 : 61 인용 특허 : 0

초록 ▼

A compiler for compiling a computer program which is adapted for use with a data parallel computer. The compiler supports variables which involve parallelism. Variables which involve parallelism are parallel variables, templates for parallel variables called shapes, and pointers to parallel variables. For each variable involving parallelism declared globally in the source code, the compiler of the present invention emits in the target code a declaration of a global scalar variable. It further emits in the target code a start trap. When executed, the start trap allocates memory and a data structure for the global variables involving parallelism. The start trap also initializes the data structures and global variables involving parallelism. Finally, the compiler of the present invention emits in the target code one or more statements which, at run time, will cause the start trap to be invoked before the execution of any statement in which one of the global variables involving parallelism is read from or written to.

대표청구항 ▼

A method of generating a target code from a source code, the source code written using a high level language supporting data parallel processing, the target code to be executed in a data parallel computer having a plurality of processing nodes for processing data in parallel, the method being executable in a data processing apparatus and comprising the steps of: (a) maintaining a shapes defined table which includes a list of shapes which are declared and defined in a compilation unit of the source code: (b) determining whether a source code declaration statement exists in said compilation unit of the source code which declares a shape having P positions organized among R dimensions, said shape being a template for use in declaring parallel variables each having P data instances distributed among P processing nodes logically organized among R dimensions, said statement specifying a symbol that identifies said shape; (c) emitting to the target code, in response to said determination, at least one target code declaration statement which when executed in the data parallel computer enables the data parallel computer to declare said shape, said target code declaration statement including a definition field, a symbol field, and an initializer field; (d) setting said symbol field equal to said symbol of said shape; (e) ascertaining, in response to said determination, whether said source code declaration statement also defines said shape; and (f) if it is determined that said source code declaration statement also defines said shape, then adding said symbol of said shape to said shapes defined table.

이 특허를 인용한 특허 (61)

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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연합인증

System and method for compiling a source code supporting data parallel variables 원문보기

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System and method for compiling a source code supporting data parallel variables 원문보기

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