westinghouse 4k

Let the SSD speed fly. Solid state HDD Optimization techniques Daquan However, the other aspects of SSDs are obvious, so it has become the necessary hardware for most users installed. In terms of usage, SSD is slightly different from the traditional HDD, and it is necessary to go through a series of settings if the SSD is to really perform its performance. For example, turning on ahci,4k alignment, installing a dedicated driver, using the native

various libraries and so shared modules that we use. You can use the PMAP directive to view detailed LIB libraries and used memory values for each process call. Take the simplest bash process here for example. [Root@91it ~]# pmap ' pgrep bash '1464:-bash0000000000400000 848K r-x--/bin/bash00000000006d3000 40K RW---/bin/bash00000000006dd000 20K rw---[anon]00000000008dc000 36K RW---/bin/bash00000000011a4000 396K rw---[anon]0000003ef9800000 128K r-x--/lib64/ld-2.12.so0000003ef9a1f000

processing to effectively reduce power consumption. With Intel Ready Mode technology, the desktop is guaranteed to remain powered on and updated with less than 10 watts of power at idle time, and can quickly recover the response. 2. Rich media and graphic features The well-designed media and graphics platform is ideally designed to support 4K UHD HDR content, high-fidelity audio, and faster 4K UHD editi

Cognitive Digital pixel resolution: First from the resolution (digital pixel) perspective, from the SD ERA to HD, from 720x576 to the present 1920x1080, aspect ratio from 4:3 to 16:9, this is familiar to us, 4K is actually built on the basis of high-definition, We call it the "Ultra HD" UltraHD, from the 720x576 400,000 megapixel to the 20 million pixels of HD 1920x1080. By 4K, our resolution has risen 4 t

Fio is a very good tool for testing iops to stress test and verify hardware, supporting 19 different I/O engines, including: Sync, mmap, Libaio, Posixaio, SG v3, splice, NULL, network, Syslet, Guasi, Solarisaio and so on.FIO Official website: http://freecode.com/projects/fio/ First, installation Can be installed directly yum, or download the compressed package to install Yum Install Fio Second, the order 1, Random read: Fio-filename=/dev/sda1-direct=1-iodepth 1-thread-rw=randread-ioengine=

Analysis on the structure of Inode tableTake the Ext file system as a reference, 4k block size partition, briefly describe the Ext file system data structure principle, if there are any errors, please point out650) this.width=650; "src=" Http://s2.51cto.com/wyfs02/M01/85/25/wKioL1ea9qKwMA88AAQ0CV5awjQ474.png "title=" Inode Table structure. png "alt=" Wkiol1ea9qkwma88aaq0cv5awjq474.png "/>Inode index Node HDD The size of the sector is 2 times the N

This algorithm was published by Robert W. Floyd (Robert Floyd) in 1962 on "Communications of the ACM". That same year Stephen Warshall (Stephen Vauchers) also published the algorithm independently. Robert W.. Floyd This cow man is a wonderful, he originally read the literature at the University of Chicago, but because the American economy is not very prosperous, find a job more difficult, helpless to Westinghouse Electric Company when a computer opera

key function are debugged according to the Uboot initiation process. Ensure that the uboot normally starts into the command line.(3) separate debugging for each module driver. So I modify the boards.cfg, modify the configuration file, determine the first address of the code snippet, memory header address and other basic elements. Expectations can be directly compiled. But after looking at the link script for the ppc460s processor, I think the problem is a little more complicated than I thought

Before the October launch, I'm afraid most people would think the new ipad would be the biggest star of the show. Of course, the IPad Air 2 is really good enough, and the slim fuselage and performance upgrades are still bright. However, while updating the ipad product line, Apple also released the 27-inch imac with the retina 5K display, stealing the spotlight of the ipad Air 2. Although the 5K Retina imac is not very different from the previous imac, the 27-inch screen with a resolution up to 5

4K rw-- /lib/libkrb5support.so.0.1002a3000 16K r-x- /lib/libplc4.so002a7000 4K rw-- /lib/libplc4.so002ab000 88K r-x- /lib/libaudit.so.1.0.0002c1000 4K r-- /lib/libaudit.so.1.0.0002c2000 4K rw-- /lib/libaudit.so.1.0.0002c3000 216K r-x- /lib/libgssapi_krb5.so.2.2002f9000 4K r

PMAP provides a memory map of the process, and the PMAP command is used to display the memory state of one or more processes. It reports the address space and memory status information for the process. Pmap is actually a command on the Sun OS, and Linux only supports its limited functionality. However, it is also useful for viewing the full process address space. We need the PID or the unique process ID of the running process to see the status of the process memory, and we can get it through/pro

A detailed description of Linux file attributes:[Email protected] robin]# Ls-ihl/home/robin/test.txt398606-rw-r--r--. 1 root root 2315 Mar 21:00/home/test.txtThe columns correspond to the following explanations:Inode node Number file type permissions hard links number of main genus group file/directory size last Modified Date File/directory name398606-rw-r--r--. 1 root root 4M Mar 21:00/home/test.txtInode node Number: the equivalent of a book directory, we want to read this book, first read the

highNandflash: It is also a non-easy slipped storage (power loss is not lost), but although it has a data bus, but there is no address bus, so the CPU can not directly from the male flushing of the finger run, because it is cheap, so often used to store a large amount of data, and we often say the hard disk similar.The following will resolve Nandflash startup and Norflash startup (arm s3c2440), and the other boot methods will be analyzed in the Uboot code section.First, Nandflash startThe first

(1~4m), nor the transmission efficiency is very highNandflash: It is also a non-easy slipped storage (power loss is not lost), but although it has a data bus, but there is no address bus , so the CPU can not directly from the Nandflash to run, because it is cheap, So it's often used to store large amounts of data, similar to what we often call hard drives.The following will resolve Nandflash startup and Norflash startup (arm s3c2440), and the other boot methods will be analyzed in the Uboot cod

statement: This article is "Brother Bird's Linux private dish" reading summary. Disk Basics Dot Finishing The main components of the whole disk are: a rounded disk disc (a portion of the main record data); a mechanical arm, with a disk-reading head on a robotic arm (the data on a disk that can be erased); a spindle motor that rotates a disk so that the reading head of the mechanical arm reads and writes data on the disk disc. Sector (sector) is the smallest physical storage unit, and according

PMAP provides a memory map of the process, and the Pmap command is used to display the memory state of one or more processes. It reports the address space and memory status information for the process. Pmap is actually a command on the Sun OS, and Linux only supports its limited functionality. However, it is also useful for viewing the full process address space. We need the PID or the unique process ID of the running process to see the status of the process memory, and we can get it through/pro

What is a solid-state drive? How do you use it? Correct use of solid-state hard disk method Guess what you like: the difference between m.2 and SATA3 SSD In general, the proper use of solid-state drives is nothing more than 4K alignment and the ability to turn on the hard drive AHCI. In addition there are a few people will not notice the details, the previous article has not been detailed with you, the following article to explain in detail under

share with you the key points of three settings for SSD drives The key to opening AHCI is: AHCI, all called Serial ATA Advanced Host Controller Interface (serial ATA Advanced Master Interface) The potential acceleration capability of SATA drives, which can increase the read/write speed of 30% hard disk. When installing a solid-state drive, turn on AHCI to give full play to hard drive performance. The current mainstream motherboards are basically the default to open the AHCI optio

tests to objectively quantify the user's subjective perception of the video experience and ultimately optimize it on the basis of the VMOs (video Mean Opinion score) standard in ITU-D. The U-vmos video experience standard is presented.U-vmos Station in the user perspective, from the "video quality, viewing experience and interactive operation" 3 aspects (including video source resolution, the number of slices, playback screen size, operation experience and play smoothness and other indicators)

This article is the Linux version of a method for locating memory leaks (Solaris), which uses GDB. Mainly introduces the example part. See "A method of locating memory leaks (Solaris)." Example: To simulate a new failed program: #include Class ABC { Public Virtual ~abc () {} int i; Int J; }; void F () { for (int i = 0; i { abc* p = new ABC; } Throw Std::bad_alloc (); } int main () { f (); return 0; } 1 compile and run this piece of code. Generate a core file 2 Open this core file with GDB: G