How to obtain the serial number of a specified CPU in a multi-core or multi-CPU system
Author: skyjacker
(The post must be complete and indicate the author and source)
Http://www.cnpack.orgCnpack iv qq group: 1309702007-01-23
Thanks for passion, bahamut, good morning, air, skyjacker...Without the magical power of bahamut, there is no such article.
In multiple CPUs and multiple cores, different serial numbe
Knowledge about Linux CPU and Linux CPU
What is the difference between hyper-threading and multithreading?
Hyper-threading is understood from the hardware layer, that is, a CPU component (which can be understood as a core) executes multiple commands at the same time, which means that multiple threads are executed at the same time.Multithreading is a concept at th
CPU scheduling and cpu schedulingBecause the processor is the most important computer resource, improving the utilization rate of the processor and improving the system performance (throughput and response time) depends largely on the Processor Scheduling Performance, processor Scheduling becomes one of the central issues in operating system design.I. Layers of Processor Scheduling1. Advanced scheduling: it
How to view CPU configuration information in Linux, and how to view cpu configuration in linux
Enter the command: cat/proc/cpuinfo
Check the number of physical IDs in the output result. If 0 is displayed, there is only one physical cpu;
Check the number of processor output results. If there are 0 and 1, there are two logical CPUs.
(1) Concepts
① Physical
This is a creation in
Article, where the information may have evolved or changed.
First, the conclusion is listed in the front:
Golang performance can be very good, but some native package performance is likely to be retarded, such as RegExp and Encoding/json. If used in high performance requirements, we should optimize according to the actual situation.
The use of ON-CPU/OFF-CPU flame dia
CPU Ladder Figure 2016 the latest version of the CPU how to see performance?
How does the CPU look at performance? This is a problem that friends of computer enthusiasts often ask. Today, the script House finally brings up the latest version of CPU Ladder 2016, through the latest
Possible factors:1. Ambient temperatureThe cpu temperature has a lot to do with the ambient temperature. It will be a little higher in summer. Generally, the temperature is less than 50 ° when the CPU is idle, less than 65 ° when the CPU is busy, and less than 75 ° when the CPU is working at full speed. In
Http://bbs.xiyuit.com/thread-4143-1-1.htmlplease stay tuned for matching the CPU bandwidth and memory bandwidth! Don't let the memory slow down the CPU. Intel's CPU has certain requirements on memory bandwidth since P4. Why did Intel have to push Rambus to match P4? This is because both SDRAM and ddr ram are insufficient to meet P4's needs.
For details, FSB is P
One, wall clock time, user CPU time, System CPU time definition and contactClock time (Wall clock time): The time that the clock passes from the start of the process to the end, which contains the time at which the process is blocking and waiting.User CPU Time: Is the user's process to obtain the CPU resources after th
Ways to handle excessive CPU temperature
One, clean CPU cooling fan
1 The easiest and most cost-effective way to do this is to use the brush and the fur tiger to clean the fan of the CPU heatsink and to improve the processor's thermal performance after the cleanup.
2 cleaning the fan is a need for patience, and the fan's dead end is not
The CPU cache query tool in Linux and the cpu cache query in linux
In Linux, you can use the following tool to query the CPU cache:
Method 1:
$ Lscpu
L1d cache: 32 K
Method 2:
$ cat /sys/devices/system/cpu/cpu0/cache/index0/size32K
$ cat /sys/devices/system/cpu/cpu0/cac
Remove the installation of memory, graphics, etc. are not difficult, but remove the CPU on the motherboard is not easy, a little attention may damage the CPU and motherboard slots, each CPU and CPU fan installation is not necessarily the same, but the same. The following details the computer how to remove the
First, the concept① Physical CPUThe number of CPUs in the actual server slot on the physical CPU, the number of physical IDs that can be repeated is several② Logical CPU③CPU Number of coresThe number of chipsets that can process data on a CPU, such as the current i5 760, is a dual-core four-thread
CPU instruction design, in addition to naming, it is more important to analyze how the instructions can be achieved. For the CPU structure of Figure 3 1, if the instruction is pre-placed in the Irom, then the instruction is executed with one piece of irom removed from the IR instruction register and provided to the control for analysis execution. How each instruction is transformed into a machine action, th
CPU is the core of the computer hardware, but also the computer hardware in the heat, so the CPU cooling fan speed, the fundamental computer cooling. What about the CPU fan speed? Generally you will choose to see the BIOS settings, but the BIOS needs to restart the computer, and the operation is relatively complex. Today, the WiFi sharing master teaches you a ver
How to obtain the serial number of a specified CPU in a multi-core, multi-CPU systemSkyjacker(Please keep it intact and indicate the author and source)http://www.cnpack.orgCnpack IV QQ group:1309702007-01-23Thanks: Passion,bahamut, Good morning, air, skyjacker ...Without the Bahamut, there is no such article.In multi-CPU and multicore, different serial numbers ar
In the previous section, we talked about CPU usage control through PerformanceCounter.
Last connection: http://www.bkjia.com/kf/201110/107758.html
This section describes how to implement a sine curve for controlling CPU usage.
Within a period of time, adjust the CPU usage display by controlling the CPU busy time.
Co
CPU fan speed too slow on the CPU is very large, light will cause frequent computer crashes, heavy will cause the CPU burned, and even burned the motherboard and other electronic components, resulting in a great loss, but the CPU speed too fast on the computer and what effect? is the
CPU utilization good understanding, that is, CPU utilization, more than 75% is higher (also has the argument is 80% or higher). In addition to this indicator, but also in combination with the load average and context Switch rate, it is possible that the high CPU is due to the latter two high indicators.
Load Average, this is hard to measure. Online Search a la
The relationship between the maximum memory and CPU supported by the computer, and the maximum memory cpu supported
When using a computer, the maximum supported memory is determined by the operating system and hardware.
In terms of hardware, the number of CPU address bus determines the IP address range of the CPU in th
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