multicore

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How pthreads does cross-threading and scheduling

I was wondering, how does pthreads-win32 (windows implementation of pthreads) implement cross-threading? Is it written exclusively with windows API? I checked some of the sources and it seems that mos[详细]

2023-01-22 01:18 分类：问答
Performance in multithreaded Java application

I want to understand performance in multithreaded environments. For that I have written a small test that I ran on my machine (quad-core Intel, Windows XP, Sun JDK 1.6.0_20), with surprising results.[详细]

2023-01-21 22:13 分类：问答
Embedding Python thread safe

I\'m trying to use Python in a module for an analysis software of vehicle bus systems. For this I have to embedPython in a thread safe manner, since there can be multiple instances of the module witch[详细]

2023-01-20 06:59 分类：问答
How do I get the CPU ID on a multi-core PowerPC?

I have a multi-threaded app which is running under Linux 2.6.30 on an 8 core PowerPC processor.I want to determine which CPU is being used when a thread is launched.The obvious answer is to print the[详细]

2023-01-19 18:05 分类：问答
How is context switching of threads done on a multi-core processor?

When doing context switching on a single-core processor, 开发者_Go百科the code responsible is executed on the only CPU which takes care of switching the threads.[详细]

2023-01-19 12:31 分类：问答
Multithreading not faster than single thread (simple loop test)

I\'m experimenting with some multithreading constructions, but somehow it seems that multithreading is not faster than a single thread. I narrowed it down to a very simple test with a nested loop (100[详细]

2023-01-18 05:14 分类：问答
How are applications run on multi-core machines?

I\'m trying to gain a better understanding of how multi-core processors work and how as a programmer I can take advantage of them.[详细]

2023-01-18 03:53 分类：问答
Where and how is the MESI cache coherence protocol implemented?

I know the MESI protocol is used to implement cache coherence in multiprocessor systems. But I don\'t know how its implemented. Any 开发者_Go百科help on this is very much appreciated.The cache coheren[详细]

2023-01-16 09:13 分类：问答
How can I get system load/cpu usage from Java?

Normally I call in bash \"mpstat 1\". Is there an equivalent Java l开发者_如何学运维ibrary to aviod calling bash and parsing mpstat output?You can get the average for the last minute via the managemen[详细]

2023-01-15 19:10 分类：问答
The state of programming and compiling for multicore systems

I\'m doing some research on multicore processors; specifically I\'m looking at writing code for multicore processors and also compiling code for multicore processors.[详细]

2023-01-14 18:12 分类：问答