I\'m using CentOS 5.4 x86_64 and Boost 1.42.0 on a cluster that uses Open-MPI 1.3.3.I\'m writing a shared library that uses shared memory to store large amounts of data for multiple processes to use.T
I\'m developing a mechanism for interchanging data between two or more processes using shared memory on linux. The problem is some level of concurrency control is required to maintain data integrity o
If more than one core on a processor is accessing the same memory address, will they thrash each other\'s caches or will some snooping protocol allow each to keep the data in L1-cache?
Is two (or more) different threads allowed to write to the same memory location in global space in OpenCL? The write is always changing a uchar from 0 to 1 so the outcome should be predictable, but I\
When using mmap() for shared memory (from Linux, or other UNIX-like systems) is it possible (and portable) to use fcntl() (or flock() or lockf() functions) to co-ordinate access to the mapping?
I want to make a basic chat application in C using Shared memory. I am working in Linux. The application consist in writing the client and the server can read, and if the server write the client can r
I have some project where I have a single producer thread which writes events into a buffer, and an additional single consumer thread which takes events from the buffer. My goal is to optimize this th
This is an extract from Advanced Liniux Programming: 开发者_开发知识库Semaphores continue to exist even after all processes using them have terminated.
I was reading a Sun\'s tutorial on Concurrency. But I couldn\'t understand exactly what memory consistency errors are? I googled about that but didn\'t find any helpful tutorial or article about that
I\'d like开发者_运维问答 to know if there is any way to resize a variable of QSharedMemory (in Qt) once it has been allocated.
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