scheduling

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On throughput of linux scheduler when there are more threads than cores

I have done some measurement over linux scheduler. The linux is \"Linux version 2.6.18-194.el5 (mockbuild@x86-005.build.bos.redhat.com)\" and machine is with 8 cpus. The measurement is the only worklo[详细]

2023-03-20 09:10 分类：问答
Trace the calls to pull_task() for running processes

I am trying to count the number of times pull_task() is called by processes in my system. pull_task() is a scheduling function that moves a task from runqueue of a busy CPU to the runqueue of an idle[详细]

2023-03-20 08:22 分类：问答
Can the order of execution of fork() be determined?

I\'m working on an exercise on the textbook \"Operating System Concepts 7th Edition\", and I\'m a bit confused about how does fork() work. From my understanding, fork() creates a child process which r[详细]

2023-03-20 04:10 分类：问答
Scheduling huge number of threads so only 4 are executed in parallel

As already stated in the title I have a large number of threads (probably much higher than 100) that are rather saving a program state than running. I want only few of them (enough to use all physical[详细]

2023-03-19 05:09 分类：问答
Difference between AlarmManager and ScheduledExecutorService

Besides setting and exact time (i.e. midnight) versus setting a delay (i.e. 24 hours), what\'s the difference between using AlarmManager and ScheduledExecutorService to run a task periodically?[详细]

2023-03-17 08:17 分类：问答
Best way to schedule messages to be sent using a Windows service in C#

I\'ll try and briefy explain what i\'m looking to achieve. My intial idea of doing this, is not going to work well in my opinion, so i\'m trying to decide how best to plan this.[详细]

2023-03-17 07:29 分类：问答
not getting output when scheduled a jcl program in crontab

dear friends i have a jcl program that uses PCO program .I want to schedule it every minute using crontab .i have don开发者_高级运维e the entry in cronntab like below[详细]

2023-03-16 16:27 分类：问答
Best Fit Scheduling Algorithm for Accommodation / Day Pass Problem?

I have a scheduling problem I\'m trying to figure out a best fit algorithm to use. A hotel owns a theme park and is a highlight for visitors staying at the hotel. However, the hotel has more rooms th[详细]

2023-03-15 07:29 分类：问答
Scheduling an operation (NSTimer?)

I save some images locally. The user can associates/dissociates them to some text. I would to check if an image is associated to a note and, if not, delete it开发者_开发技巧 from the local dir.[详细]

2023-03-14 22:49 分类：问答
Rails 3 and scheduling of repetitive tasks without cron

I have a app and i am currently using delayed_job. I was wondering if there are any recommended gems that do scheduling of repetitive tasks.[详细]

2023-03-14 18:49 分类：问答