Tagged Questions
11
votes
3answers
258 views
Pi Benchmarking in C
I wrote the following program to calculate n digits of Pi (where n could be anything, like 10M) in order to benchmark the CPU and it works perfectly (without OpenMP):
...
6
votes
1answer
1k views
Client server application for file transfer
I have an application for transferring files from clients to a server. A client opens, transfers a file to the server and closes. The server is open and may receive multiple files. Also, when ...
5
votes
1answer
56 views
Consumer-Producer Problem: POSIX Thread
I have implemented a producer consumer problem,
following the resources below:
Oracle doc
CSEE
I have used mutex_t and ...
4
votes
2answers
81 views
Making an array whose elements are defined by a struct [closed]
This might be a basic question for C. I'm making a struct called check_t and I want to make an array whose elements are of type ...
4
votes
1answer
1k views
Lock free MPMC Ring buffer implementation in C
I have written a lock free MPMC FIFO in C based on a ring buffer. It uses gcc's atomic built-ins to achieve thread safety. The queue is designed to return -1 if it's full on enqueue or empty on ...
4
votes
1answer
36 views
Scalability of C server implementation based on pthreads
I am wondering about the feasibility of the following basic implementation of a server and how well it would scale. I know that large-scale, distributed servers should probably be written in a ...
3
votes
2answers
3k views
3
votes
2answers
420 views
Implementing a shared array cache without locking
Edited 3/27/2012 to explain selection of answer: After giving this some more thought, I have come around to William Morris' view (see accepted answer) that this is basically the wrong approach. I am ...
2
votes
1answer
860 views
mutex and condition variable implementation using futex
I have implemented mutex and contition variables using futex syscall. I believe that my implementation is correct, but would like it to be verified by some one else. If some of you could verify its ...
2
votes
1answer
78 views
1 Producer, N Consumers working in parallel, each doing ~1/nth of a task
I am not wondering about error checking (will add that soon). I would like to know about correctness, efficiency and simplicity?
...
1
vote
1answer
39 views
Printing a range of numbers using configurable worker threads
I have written code to print a range of numbers using multi-threaded programming. It takes in the number of threads to spawn as input.
It is working fine and giving the expected results. I just ...
1
vote
1answer
3k views
Producer-consumer in C using pthread_barrier
We're preparing for an exam at the moment, and our lecturer has given us a sample problem to work on. I have it completed, but would like to know a) If it is actually doing what it's supposed to, and ...
