instruction case see textbook)(v) PipelineThe problem with SEQ is that in a clock cycle, you have to complete 6 stages. The clock cycle must therefore be very slow. So we use pipelining models.Two important concepts of pipelining:Throughput (throughput): The total number of customers served per unit of time;Latency (Latency): The time required to service a user.pipelining models require pipeline registers to be placed between each phase .The following is a description of the pipeline legend:Can
Profile:
With the release of the Intel Pentium III processor, many new features have been brought to the program designers. With these new features, programmers can create better products for users. Many of the new features of Pentium III and Pentium III Xeon (Xeon processors) enable her to run faster than the Pentium II and Pentium II Xeon processors, which include a processor serial number (unique
=opener.open (req) - +Html=response.read (). Decode ('Utf-8') A Print(HTML)We can see that the IP that visited the website has been replaced by proxy IP. In the above setup agent process, we also use addheaders this function, to the request attached useragent,useragent Chinese name for the user agent, is part of the HTTP protocol, belongs to the head domain components, useragent also referred to as UA. It is a special string header that provides access to the Web site with information such as t
, countdown=10)#how long to delay execution of push messagesQuestion 1:Some people will wonder why Exec_task_order_overtime has self, sometimes found no, difference in the adorner task, if @celery.task, is not an adorner function call, then there is no self,the bind argument to the task decorator would give access to self (the task type instance) Question 2:Celery constructor parameters, the first is the module name, that is, the name of this file, the second is the Redis carrier address, crossi
3. PHP Custom Error Processor 1.
Use set_error_handler to customize error handling function description
1. create an error handling function
2. set different levels of function calls
3. the set_error_handler function specifies to take over error handling
Set_error_handler description
Mixed set_error_handler (callable $ error_handler [, int $ error_types = E_
Python learning notes 3-celery distributed task processor, python3-celery
Celery is an asynchronous task framework written in python. It has very powerful functions. For details, refer to the official website. Here we mainly provide a demo for you to use this framework quickly. 1. by default, redispip install celeryredis is installed as the carrier of task messages. tasks. py
Import sysreload (sys) sys. set
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.