concurrency

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SSE instructions: which CPUs can do atomic 16B memory operations?

Consider a single memory access (a single read or a single write, not read+write) SSE instruction on an x86 CPU. The instruction is accessing 16 bytes (128 bits) of memory and the accessed memory loca[详细]

2023-04-11 03:05 分类：问答
Why should I choose GCD over NSOperation and blocks for high-level applications?

Apple\'s Grand Central Dispatch reference says: \"...if your application needs to operate at the Unix level of the[详细]

2023-04-10 21:30 分类：问答
Scala final vs val for concurrency visibility

In Java, when using an object across multiple threads (and in general), it is good practice tomake fields final. For example,[详细]

2023-04-10 16:49 分类：问答
Is it possible to call a method of a locked object from another thread?

when thread 1 has the intrinsic lock of an object because of synchronized(object) { ... } is it possible to call[详细]

2023-04-10 16:34 分类：问答
Multiple Fork example in C

I am trying to have a program that uses multiple forks. I used this example to get myself started Multiple fork() Concurrency[详细]

2023-04-10 15:22 分类：问答
Implementing a timer for an auto-logoff feature in an embedded system (Java)

I\'ll try my best to explain the situation at hand. I\'m developing an auto-logoff feature for an authentication application that runs in an embedded system and should work cooperatively with its own[详细]

2023-04-10 09:30 分类：问答
How to get rid of this "static method should be acessed in a static way" in java?

I have the following piece of code in a java application Thread.currentThread().sleep(10000); However eclipse is showing me the following warning:[详细]

2023-04-10 03:28 分类：问答
Limiting to at max N concurrent calls to a static method in Java

Consider the following static method: public void static foo() { // some heavy operation operating on a shared resource.[详细]

2023-04-10 02:55 分类：问答
Minimum time lock in java

I\'m looking for a way to limit access to a method in java to no more than once every X seconds. Here\'s my situation :[详细]

2023-04-09 22:11 分类：问答
Optimistic concurrency with Entity Framework and MySQL

I\'m c开发者_StackOverflowurrently developing an app using Entity Framework 4.1 and MySQL. I want to use optimistic concurrency and therefore need to create a table structure which allows EF to detect[详细]

2023-04-09 20:13 分类：问答