I\'m going to be storing a hit counter for a number of URLs in Redis. I\'m planning on using a hash because that seems to make sense. It also has an atomic increment function which is critical to my u
I use a GTX 280, which has compute capability 1.3 and supports atomic operations on shared memory. I am using cuda SDK 2.2 and VS 2005. In my program I have to extensively use atomic operations becaus
I have read the article Synchronization and Multiprocessor Issuesand I have a question about InterlockedCompareExchange and InterlockedExchange. The question is actually about the last example in the
Here is my scenario: I have table A, that has 4 rows (id, col1, col2, col3) with a UNIQUE index put on the last 3 rows (id is primary key). Lets suppose there are 2 users: user Foo and user Bar.
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
What\'s the recommended way to replace a file atomically in Python? i.e. if the Python script is interrupted, there is a power outage etc. files 开发者_运维技巧do not have a high probability of ending
We\'re having a discussion at work currently and I was looking for some advice on SVN setup. Our pattern is that we have a variety of projects checked into SVN, some of these projects depend on other
I want to implement a circular counter in Java. The counter on each request should increment (atomically) and on reaching an upper limit should roll over to 0.
What does mean AtomicXXX.lazySet(value) method in terms of happens-before edges, used in most of JMM reasoning? The javadocs is pure on it, and Sun bug 6275329 states:
I would like to ensure that var a has not cha开发者_JS百科nged between retrieving it and performing the update on var b.