best cpu

A while ago, I suddenly became interested in the working principle of computer hardware. Therefore, I read some documents, and I have summarized and understood (and guessed) them. I will give you the following article. Appendix: This article only analyzes the CPU interruption technology theoretically, but does not analyze the implementation of the interrupt technology. Ready Go Directory 1. What is CPU int

Because of the management problems in our alization are caused by the annoyingly popular desirable host Migration Feature! I previusly talked about PCI device addressing problems, but this time the topic to consider is that of CPU models. every hypervisor has its own policies for what a guest will see for its CPUs by default, xen just passes through the host CPU, with qemu/KVM the guest sees a generic mode

(corrected) This problem includes the hardware structure of the CPU and the category of assembly language. Here, comb it.First of all, the main "Li Jianguo" self-answer part of the question is said to be correct,the instruction set of the CPU is the interface between the two tiers of software and CPU, and the CPU itsel

Reference: http://blog.csdn.net/eagler_hzh/article/details/6550841 In fact, the function to be extracted is the void Xid _cpu_detect (void) in x264 \ common \ CPU. C. The source file int x264_cpu_cpuid_test( void );void x264_cpu_cpuid( uint32_t op, uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx );void x264_cpu_xgetbv( uint32_t op, uint32_t *eax, uint32_t *edx );uint32_t x264_cpu_detect( void ){ uint32_t

proc to view the online manual of the proc file system.(1) processor usageHere, we need to extract four pieces of data from/proc/STAT: user mode, nice mode, and system mode) and idle processor time (idle ). They are located in the first line of the/proc/STAT file. The CPU usage is calculated using the following formula.CPU usage = 100 * (User + nice + System)/(User + nice + system + idle)(2) memory usageHere we need to extract two data from the/proc/

　　1. How to maintain CPU Q: How do I maintain the CPU? Answer: First of all to ensure good heat dissipation. The normal operating temperature of the CPU is below 50 ℃, the specific operating temperature depends on the frequency of different CPUs. Heatsink quality should be good enough, and with the speed of the function, so with the motherboard monitoring funct

1, anti-virus software caused the failure Because of the new version of KV, Jinshan, rising are added to the Web page, plug-ins, mail random monitoring, undoubtedly increased the system burden. Treatment: Basically there is no reasonable treatment, try to use the least monitoring services, or, upgrade your hardware equipment. 2, the driver has not been certified, resulting in 100% CPU resource consumption A large number of beta drivers are flooding

In the DIY computer field, many players in the installation, attention is often focused on the computer performance of the CPU, graphics, motherboards, memory, hard disk and other core hardware, on the chassis power, radiator and other hardware often do not care too much. Because of this, some friends assembled computers are often equipped with some of the inferior radiator, cottage chassis power supply and so on, in the future when used, it is very e

Which tools can view CPU load?You can use the top command, the uptime command, and especially the top command, to be powerful, not just to see the CPU load.How is CPU load understood? is CPU utilization not?To differentiate between CPU load and

only 8 subsystems are mounted by default, Ubuntu 12.04 supports 8 subsystems by default, but only 5 subsystems are mounted by default.Cgroup Subsystem IntroductionOf course, the user can customize the subsystem and mount it.The following is a brief introduction to each subsystem: The Blkio setting restricts the input and output control of each block device. For example: disks, CDs, USB, and so on. The CPU uses the scheduler to provide

As the core component of the computer, the CPU (central processor unit) has been very mysterious in the hearts of users: in the minds of most users, it is just an abbreviation, they cannot even write all of it. In the eyes of some hardware experts, the CPU is at most a block of more than 10 square centimeters, with many feet, the CPU core is less than 1 cm² large

Physical encapsulation of the CPU, a physical package using a separate CPU physical slot, sharing power and fans;CPU Physical Core: Encapsulates multiple independent CPU cores in a physical package, each with its own complete hardware unit.CPU Logic Core: A CPU physical core

Cd/sys/devices/system/cpu/cpu0/cpufreq Cat Scaling_available_governorsHotPlug Conservative OnDemand Userspace PowerSave interactive performanceIn order to be able to several common CPU frequency regulation mode has a basic understanding of the following simple summed up according to the characteristics of different ways to do in the performance and power-saving between the two contradictions make a choice t

good or bad, for the end-user performance is the click of the operation can respond quickly, then the response to the database is the statement execution time is short enough!The performance of the database using operation and maintenance personnel, simple may be seen as CPU, memory, disk three major indicators are normal, then today we start from the CPU, see what the

This blog post focuses on the features and functions of the CPU registers around the base part of the registers in the 80x86 CPU.ObjectiveFirst, let's introduce the history of Intel CPUs.Intel CPU Series, initially 4-bit microprocessor 4004, then to 8-bit microprocessor 8008, then 8-bit microprocessor 8080, and later 16-bit microprocessor 8086.Starting from 8086, Intel entered the so-called x86 era.Intel 80

CPU usage depends primarily on what kind of resources are running on the CPU, such as copying a file that typically consumes less CPU, because most of the work is done by DMA (Direct Memory Access), but after the copy is complete, the CPU knows that the copy has been completed. Scientific computing usually takes up mor

CPU Footprint 100% Solution In general, CPU accounted for 100% of the words our computer will always slow down, and many times we can do a little bit of change can be solved, without asking those prawns. When the machine slows down, the first thing we think of is, of course, the task manager, to see exactly which program accounted for the ratio, if it is a large program that can be forgiven, in the shutdow

Nowadays, there is no uniformity in the naming of the same thing on the Internet. It seems like there are many types of things, so it is necessary to clarify the clues first, find out the equivalence relationships between different names: 1. CPU external frequency = External frequency 2. CPU frequency = clock speed 3. Frontend bus frequency 4. System bus frequency 5. MultiplierRelationships: The externa

In fact, the people who write Java seems to have nothing to do with the CPU, at most and we mentioned in the previous how to run the CPU full, how to set the number of threads is a bit of a relationship, but the algorithm is only a reference, many scenarios need to take practical means to solve can And we'll consider how to make the CPU not so full after the

Article Title: how to obtain cpu utilization in linux. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. "The proc file system is a pseudo file system, which only exists in the memory and does not occupy the external storage space. It provides interfaces for accessing system kernel data in the form of a file system.