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Load balancing method and device

A load balancing and garbage technology, applied in the computing field, can solve problems such as garbage collection performance degradation, and achieve the effect of improving performance and improving scalability

Active Publication Date: 2014-04-02
LOONGSON TECH CORP
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  • Claims
  • Application Information

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Problems solved by technology

[0005] Embodiments of the present invention provide a load balancing method and device to solve the problem of reduced garbage collection performance caused by a large number of remote accesses of garbage collection in the NUMA architecture of the traditional load balancing technology, and improve the performance of garbage collection in the NUMA architecture

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Embodiment Construction

[0032] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0033] figure 1 It is a flow chart of the load balancing method provided by the embodiment of the present invention. The load balancing method provided by the embodiment of the present invention is applied to a multiprocessor system including at least two nodes, such as figure 1 As shown, the method includes:

[0034] 101. The first garbage col...

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Abstract

An embodiment of the invention provides a load balancing method and device applied to a multi-processor system comprising at least two nodes. The method includes: a first garbage recycling thread judges the task queue of a second garbage recycling thread in a first node, the first garbage recycling tread is the garbage recycling thread with an empty task queue, the first garbage recycling thread belongs to the first node, and the second recycling thread is processed by different CPU cores in the same node; when the first garbage recycling thread determines that the task queue of the second recycling thread is not empty, objects are intercepted from the task queue of the second garbage recycling thread and added to the task queue of the first garbage recycling thread. By the load balancing method and device, load balancing flexibility is increased, and garbage recycling performance in an NUMA architecture is increased.

Description

technical field [0001] Embodiments of the present invention relate to computing technology, and in particular to a load balancing method and device. Background technique [0002] Non-Uniform Memory Access Architecture (NUMA for short) is a multi-processor (CPU) interconnect architecture technology. In the NUMA architecture, the CPU core of each node can access both the physical memory of the node (local memory) and the physical memory of other nodes (remote memory). [0003] During the execution of the application, if the application thread cannot continue to allocate new objects in the Java heap, the Java virtual machine will trigger the garbage collection thread to reclaim the memory that is no longer used, so that the subsequent memory allocation can proceed smoothly. Parallel garbage collection means that multiple garbage collection threads cooperate to complete garbage collection work in parallel. In the process of parallel garbage collection, the recovery pressure of...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F9/46G06F9/50
Inventor 廖彬靳国杰高翔
Owner LOONGSON TECH CORP
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