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57 results about "Register window" patented technology

In computer engineering, register windows are a feature in some instruction set architectures to improve the performance of procedure calls, a very common operation. Register windows were one of the main features of the Berkeley RISC design, which would later be commercialized as the AMD Am29000, Intel i960, Sun Microsystems SPARC, and Intel Itanium.

Thread suspension system and method

In processor architectures that support allocation of register windows to called procedures, functions or methods, register windowing mechanisms can be used to facilitate suspension of a mutator thread (or mutator threads) while imposing negligible overhead on the mutator computation during periods when thread suspension is not requested. Reduced Instruction Set Computer-(RISC)-oriented processor architectures often employ register windows (typically partially-overlapped register windows) and can therefore benefit from the technique. Variations can be employed even in processors (RISC or otherwise) that do not employ register windowing as long as the processor (by itself or in cooperation with software) provides facilities for allocating and reclaiming resources in correspondence with calls to, and returns from, procedures, functions or methods. Mechanisms are provided to spill values from the fixed set of resources to a secondary store and to fill values from the secondary store into the fixed set in correspondence with function call triggered overflows and function return triggered underflows. In some configurations, modified spill and/or fill mechanism(s) are used to suspend threads at safe points coinciding with call and/or return sites. Because the modified spill and/or fill mechanism(s) impose negligible overhead when not employed and can be engaged in response to an event (e.g., a start garbage collection event), safe points can be defined at call and/or return points throughout mutator code to reduce the latency between the event and suspension of threads.
Owner:ORACLE INT CORP

Method and device for registering detecting

The embodiment of the invention provides a method and device for registering detecting. The method comprises the steps that starting of an appointed application program is detected; registering window judging information corresponding to the application program is obtained; the fact that a currently-loaded window in the application program accords with the judging information of the registering window is detected; the safety attribute of a loaded component in the course where the currently-loaded window is placed is scanned; and according to scanned safety result information, whether registering information recording is carried out in the currently-loaded window is determined. After the application program operates and before registering operation is carried out, the loaded component of the application program is scanned, the fact that a trojan horse cannot be started with the application program is guaranteed, the safety of operation such as paying, registering and network communication is guaranteed, the problem that the trojan horse is started with the application program is effectively solved, malicious acts such as stealing of an account number, a password and key data are avoided, and the safety of the application program in operation such paying, registering and network communication is greatly improved.
Owner:BEIJING QIHOO TECH CO LTD +1

Method and system for positioning soft tissue lesion based on dual-energy X-ray images

The invention discloses a method and system for positioning a soft tissue lesion based on dual-energy X-ray images. The method comprises the following steps of: generating a three-dimensional image of a patient and offline generating a soft tissue DRR (Digitally Reconstructed Radiograph) image library along a plane inside translation direction; acquiring high- and low-energy X-ray images of the patient and generating a soft tissue X-ray image of the patient; taking the soft tissue X-ray image as a registered image and estimating values of a plane inside translation parameter and a plane outside translation parameter by using a registering window including the lesion in the DRR image in the soft tissue DRR image library generated offline; adjusting the three-dimensional image by a newest parameter estimation result for the plane outside translation parameter and generating the soft tissue DRR image library along the plane outside translation direction on line; and taking the soft tissue X-ray image as the registered image and further estimating the values of the plane inside translation parameter and the plane outside translation parameter by using the registering window including the lesion in the DRR image in the soft tissue DRR image library generated on line.
Owner:江苏瑞尔医疗科技有限公司
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