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Connect back: http://blog.csdn.net/pennyliang/archive/2011/03/08/6231709.aspx There is no room for optimization in the method of using complex commands. The optimization work relies entirely on Intel engineers and uses streamlined commands to expand

Problem background: Mistakenly using form Use AJAX data in JS code to submit requests again to the background eg:url: "/test2" Problem Error: The background correctly returns the content of the "/test2" request, but jumps directly to the AJAX

Preface Local download files have actually been contacted before, but there is always the question is that the download must open a new window, through the AJAX request can not achieve the purpose of downloading files, so generally for the

How to identify the number of physical CPUs, whether hyper-threading or multi-core Jun.04, 2009 in servers Judgment basis:1. The cpu with the same core id is hyper-threading of the same core.2. A cpu with the same physical id is a thread or cores encapsulated by the same cpu. English version:1. Physical id and core id are not necessarily consecutive but they are unique. Any cpu with the same core id are hyperthreads in the same core.2. Any cpu with the same physical id are threads or cores in th

KBPhysical id: 0Siblings: 2Core id: 0Cpu cores: 1Fdiv_bug: noHlt_bug: noF00f_bug: noComa_bug: noFpu: yesFpu_exception: yesCpuid level: 5Wp: yesFlags: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat limit 36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe lm constant_tsc pni monitor ds_cpl cid xtprBogomips: 6006.73 Processor: 1Vendor_id: GenuineIntelCpu family: 15Model: 4Model name: Intel (R) Xeon (TM) CPU 3.00 GHzStepping: 3Cpu MHz: 300

Check the memory information, CAT/proc/meminfo. Similarly, check the CPU information. CAT/proc/cpuinfo sometimes has such questions. For example, if the 4-core CPU is a 2-core CPU * dual-core, or 1 CPU * quad core? There is a simple method: the number of processor, the number of cores, and the number of CPUs, depending on the physical ID + 1 of the last Processor For example: processor : 0vendor_id : GenuineIntelcpu family : 6model : 23model name : Pentium(R) Dual

KBphysical id : 0siblings : 4core id : 0cpu cores : 2apicid : 0initial apicid : 0fpu : yesfpu_exception : yescpuid level : 13wp : yesflags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm pcid sse4_1 sse4_2 po

@ server ~] # Cat/proc/cpuinfo | grep "processor" | wc-l 4. Enable hyper-threading: [root @ server ~] # Cat/proc/cpuinfo | grep-e "cpu cores"-e "siblings" | sort | uniq cpu cores : 4siblings : 4 Assume that cpu cores = siblings indicates that it is not enabled. processor : 0vendor_id　　: GenuineIntelcpu famil　　: 6model　　　　 : 15model name　 : Intel(R) Xeon(R) CPU X5355 @ 2.66GHzstepping　　 : 7cpu MHz　　　: 2666.766cache size　: 4096 KBphysical id : 0siblings : 4core id　　 : 0

To view CPU information:[Email protected] ~]# Cat/proc/cpuinfo processor:0 Vendor_id:genuineintel CPU family:6 model:45 Model Name:intel (R) Xeon (r) CPU E5-2 690 0 @ 2.90GHz stepping:2 CPU mhz:2900.000 Cache size:20480 KB Physical id:0 Siblings:4 Core id:0 CPU cores:4 apicid:0 Initial apicid:0 Fpu:yes Fpu_exception:yes cpuid level:13 WP : Yes Flags:fpu vme de PSE TSC MSR PAE MCE cx8 APIC MTRR PGE MCA cmov Pat PSE36 clflush DTS MMX

View Linux Server CPU Two Guiding Principles # CPU with the same core ID is hyper-threading of the same core # # A cpu with the same physical ID is a thread or core encapsulated by the same CPU # CAT/proc/cpuinfo | grep 'siblings' [[Email protected] ~] # Arch# This is my R51 old notebook # I686 [[Email protected] ~] # Cat/proc/cpuinfo # This is my R51 old notebook # Processor: 0 # This indicates the first CPU kernel from 0 # Vendor_id: genuineintel CPU family: 6 Model: 13 Model name:Intel (

: yesfpu_exception : yescpuid level : 13wp : yesflags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts mmx fxsr sse sse2 ss ht syscall nx rdtscp lm constant_tsc nonstop_tsc pni cx16 popcnt lahf_lmbogomips : 4800.00clflush size : 64cache_alignment : 64address sizes : 40 bits physical, 48 bits virtualpower management: [8]The above output items have the following m

Tags: arc exp linu Vendor level log MIP mil informationKernel informationCat/proc/version[Email protected]172- to- the-157: ~/wslink$Cat/proc/Versionlinux version4.4.0-1061-aws ([email protected]024) (GCCVersion5.4.0 20160609(Ubuntu5.4.0-6ubuntu1~16.04.9) ) # --ubuntu SMP Fri May - +: -: theUtc2018Release Release informationCat/etc/issue[email protected]-172-157cat /etc/ 16.04. 4 LTS \ \lView CPU InformationCat/proc/cpuinfo[emailprotected]:/bitmex# cat/proc/cpuinfo processor:0vendor_id:genuin

the/proc/cpuinfo file. Ii. View CPU Information We can view CPU information through the/proc/cpuinfo file. [Root @ qs-wgdb-1 proc] # more/proc/cpuinfo Processor: 0 Vendor_id: GenuineIntel Cpu family: 6 Model: 44 Model name: Intel (R) Xeon (R) CPU E5630 @ 2.53 GHz Stepping: 2 Cpu MHz: 2527.071 Cache size: 12288 KB Physical id: 1 Siblings: 8 Core id: 0 Cpu cores: 4 Apicid: 32 Fpu: yes Fpu_exception: yes Cpuid level: 11 Wp: yes Flags: fpu vme de pse tsc msr pae mce cx8

386, it is the CPU level. I586-is a 586-level computer, including the first generation of pentum mmx cpu, AMD K5, and K6 system CPU (socket7 pin. I686-pentum 2 after the Intel system CPU and K7 after the CPU level belongs to this 686 level. You can query your CPU level through the/proc/cpuinfo file. II. View CPU information We can view CPU information through the/proc/cpuinfo file. [Root @ qs-wgdb-1 proc] # more/proc/cpuinfo Processor: 0 Vendor_id: GenuineIntel Cpu family: 6 Model: 44 Model

the/proc/cpuinfo file.Ii. View CPU InformationWe can view CPU information through the/proc/cpuinfo file.[Root @ qs-wgdb-1 proc] # more/proc/cpuinfoProcessor: 0Vendor_id: GenuineIntelCpu family: 6Model: 44Model name: Intel (R) Xeon (R) CPUE5630 @ 2.53 GHzStepping: 2Cpu MHz: 2527.071Cache size: 12288 KBPhysical id: 1Siblings: 8Core id: 0Cpu cores: 4Apicid: 32Fpu: yesFpu_exception: yesCpuid level: 11Wp: yesFlags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr

): 1260328 KBInactive (anon): 4692 KBActive (file): 2216252 KBInactive (file): 10794476 KBunevictable:0 KBmlocked:0 KBswaptotal:32767996 KBswapfree:32763756 KBDirty:60 KBwriteback:0 KBanonpages:1262288 KBmapped:26500 KBshmem:1416 KBslab:535744 KBsreclaimable:499776 KBsunreclaim:35968 KBkernelstack:6928 KBpagetables:17168 KBnfs_unstable:0 KBbounce:0 KBwritebacktmp:0 KBcommitlimit:40933648 KBcommitted_as:2875128 KBvmalloctotal:34359738367 KBvmallocused:317108 KBvmallocchunk:34359398588 KBhardwarec

How to identify the number of physical CPUs, a few cores, is hyper-threading or multi-core Judge the basis: 1. CPUs with the same core ID are the same core hyper-threading.2. CPUs with the same physical ID are the same CPU-encapsulated threads or cores. English version: 1.Physical ID and core ID are not necessarily consecutive but they unique. Any CPUs with the same core ID are hyperthreads in the same core.2.Any CPU with the same physical ID are threads or cores in the same socket. Insta

1. view the production system version# Uname- Linux applications-test-game 2.6.9-11. elsmp #1 SMP Fri May 20 18:26:27 EDT 2005 i686 i68 6 i386 GNU/Linux # Cat/proc/version Linux version 2.6.9-11. elsmp (bhcompile@decompose.build.redhat.com) (GCC version 3.4.3 20050227 (Red Hat 3.4.3-22) #1 SMP Fri May 20 18:26:27 EDT 2005 # Cat/etc/issue Red Hat Enterprise Linux as Release 4 (nahant update 1) Kernel R on an M # Cat/etc/RedHat-release Red Hat Enterprise Linux as Release 4 (nahant upd

flags | grep 'lm '| wc-l4 (If the result is greater than 0, 64bit computing is supported. lm indicates long mode, and lm indicates 64bit) 7. View cpu information Summary [Spark @ S1PA222 tomcat6] $ lscpuArchitecture: x86_64 #CPU op-mode (s): 32-bit, 64-bitByte Order: Little EndianCPU (s): 4On-line CPU (s) list: 0-3Thread (s) per core: 1Core (s) per socket: 2Socket (s): 2NUMA node (s): 1Vendor ID: GenuineIntelCPU family: 6Model: 44Stepping: 2CPU MHz: 2533.423BogoMIPS: 5066.84Hypervisor vendor: V

Install KVM in CentOS 7 KVM is short for Kernel Based Virtual Machine. It can use Virtual Hardware extension to provide virtualization software for multiple operating systems. KVM can be managed in two ways, one is command line, the other is a graphical interface. Virt-Manager (Virtual Machine Manager) is the most frequently used management program based on KVM. It can create, edit, start, and pause Virtual machines. Dependency KVM requires the CPU to support hardware virtualization. You can run