International Business Machines Corporation

Jiu Fu Guo

Allan Henry Kielstra

Xiao Feng Guan

Xing Xing Pan

Yuheng Zhang

Si Yuan Zhang

Zheng Chen

Kang Ed Zhang

Yu Xuan Zhang

Ke Wen Lin

Gui Haochen

Chaofan Qiu

Zi Xuan Wu

A method, computer system, and a computer program product for improving debugging speed by rearranging debugging priority functions. In one embodiment, runtime input may be received about a program to be debugged. Feedback information is obtained about at least one similar program previously debugged. The compiling time information and runtime information are analyzed to determine a status of functions including one or more focused functions that will be used frequently and one or more unreachable functions that may never will be executed. A priority list of debugging functions is generated based on the feedback information, the runtime input and a function status. A plurality of debugging information are rearranged and parsed on the priority list prior to said program being debugged based on said debugging information.

Debugging by predict accessing information

A method, computer program product, and computer system are provided. An enhanced compiler identifies instructions for execution among them, instructions directed to an inner computation unit of a CPU core. In response to identifying instructions directed to the inner computation unit, locating in a system call table a system call to indicate a begin of an executable code block of instructions that are directed to the inner computation unit of the CPU core. The enhanced compiler searches the system hardware registry for the parameter corresponding to the inner computation unit of the CPU core. The system call is inserted as an interrupt instruction in the compiler output at the begin of the executable code block of instructions that are directed to the inner computation unit of the CPU core. The enhanced compiler executable code output is saved for later selection by a scheduler of an operating system.

Operating system (OS) scheduler and compiler for code generation optimization in a (simultaneous multi-threading) SMT enabled CPU

An embodiment of the invention may include a method, computer program product and system for multi-threaded programming. An embodiment may include creating a plurality of threads. Each of the plurality of threads implements a same functionality. An embodiment may include determining a first operation implementing the functionality using a first group of resources. An embodiment may include determining at least one second operation implementing the functionality using at least one second group of resources. An embodiment may include enabling each thread of the plurality of threads to call the first operation or the at least one second operation.

Multi-threaded programming

A method for controlling a compile a software application. The method includes at least one computer processor generating, from source code corresponding to a software application, a plurality of pre-optimization intermediate representations (IRs) of functions associated with the software application. The method further includes generating a plurality of post-optimization IRs of the functions associated with the software application by executing one or more optimization routines on the plurality of pre-optimization IRs of functions. The method further includes determining a set of IRs of functions, from the plurality of generated pre-optimization IRs of the functions associated with the software application and the generated plurality of post-optimization IRs of the functions associated with the software application. The method further includes converting a determined set of IRs of functions to an executable version of the software application.

Reducing compilation time for computer software

Provided is a method for string comparison. The method includes receiving a plurality of target strings. Each target string of the plurality of target strings comprises a sequence of characters. The method further includes creating a character index for the plurality of target strings having a plurality of entries corresponding to the sequence of characters. The method further includes prioritizing the plurality of entries. The method further includes determining an evaluation method for the plurality of target strings based on the plurality of prioritized entries. The method further includes performing the evaluation method for the plurality of target strings.

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Shanghai, China

Jiu Fu Guo