gigabyte, which limits the* amount of physical memory can Use of about 950MB. * * If you want more physical memory than the config_highmem4g* and CONFIG_HIGHMEM64G options in the kernel C Onfiguration.*//** This much address space was reserved for Vmalloc () and Iomap () * As well as fixmap mappings.*/#define__vmalloc_reserve (#ifndef __assembly__/*Pure 2^n version of Get_order*/Static__inline__intGet_order (unsignedLongsize) {intorder;size= (size-1)
1, problem descriptionOriginal development environment: WIN7 64-bit flagship edition, Vs2010,thinkpad T460Problem: Your own MFC program developed in the WinXP environment does not work properly, the box "cannot locate the program input point initializeconditionvariable in the dynamic link library Kernel32.dll"Re-build the development environment: WinXP SP3 Pro, vs2010,gigabyte a motherboard (forgive office no other free host)The problem persists: reco
';
Switch ($ times ){
Case '0': $ unit = 'B'; break;
Case '1': $ unit = 'kb'; break;
Case '2': $ unit = 'mb'; break;
Case '3': $ unit = 'gb'; break;
Case '4': $ unit = 'tb'; break;
Case '5': $ unit = 'petab'; break;
Case '6': $ unit = 'EB '; break;
Case '7': $ unit = 'zb'; break;
Default: $ unit = 'unknown unit ';
}
Return sprintf ('%. 2f', $ B). $ unit;
}
}
Call:
The Code is as follows:Echo formatSize ('000000 ');
The result is:
19.71 MB
Note:
Here, the $ B parameter is a number in the uni
disassembled by default.025 026-c, -- show-children027 Show a DIE's children when using the -- debug-info = OFFSET, -- find, 028 and -- name options.029 030 -- eh-frame [= SECTION] 031 Dump exception handling fra Me information from the optional SECTION032 parameter. the _ eh_frame section will be dumped by default.033 034-e, -- english035 Print dwarf tags and attributes in a more readable format instead036 of using the dwarf tag _ and AT _ definitions.037 038 -- file-stats [= size] 039 Show fi
that the display speed reaches 144Hz.To play 144Hz, you must use the DisplayPort connection line or 24-pin DVI connection line.Step 2: simple settingsDo not connect a Hz game display to a PC. It is very likely that the PC will output a 60Hz image. In this way, you can only set a 60Hz update rate in the game, which is not a superb gaming experience. The specific setting method is that the N-card user opens the NVIDIA control panel, and then sets the update rate under the 1920 × 1080 resolution o
Reason Analysis:
If the Win7 upgrade to Win8 may be a problem with the graphics driver, we can upgrade the graphics driver to solve it.
Workaround:
1, download the Driver wizard and then let them detect the driver, directly upgrade the graphics driver!
2, scan to us and then update the driver.
3, run the drive master, and then select Drive Management to start a comprehensive drive scan.
4, if there are updates we will update the driver on it.
user, and this area is called "below the fold". To reduce the content that needs to be re-accessed after the page is loaded, you can replace the picture with the correct tag labeled by the aspect.Implementation tips: smooth processing. Some good JavaScript libraries can be used to handle these below-the-fold lazy loading images. ^12Deferred read and Execute scriptsOn some mobile devices, parsing JavaScript code can take up to 100 milliseconds per gigabyte
mnist data set, mainly to examine the performance of the CPU and GPU under different systems. Can see the obvious difference, although the Mnist dataset is very simple, believe that the complex data set, the difference will be greater, UBUNTU+GPU is the only choice.Test Platform 1:I7-4770K/16G/GTX 770/cuda 6.5MNIST Windows8.1 on cpu:620sMNIST Windows8.1 on gpu:190sMNIST Ubuntu 14.04 on cpu:270sMNIST Ubuntu 14.04 on gpu:160sMNIST Ubuntu 14.04 on Gpuwith cudnn:30sCifar10_full on Gpuwihtout cudnn:
, default = 2048):The default value 2048 will be usedLast sector, + sector or +size{k,m,g} (2048-41943039, default = 41943039): +10GBpartition 1 is set to Linux type, size set to 9.3 GiBcommand (enter M for help): NPartition Type:p Primary (1 primary, 0 extended, 3 free)e ExtendedSelect (default p): EPartition code (2-4, default 2):Starting sector (19533824-41943039, default = 19533824):The default value 19533824 will be usedLast sector, + sector or +size{k,m,g} (19533824-41943039, default = 419
memory in the
* Machine. From a minimum of slots up to 4096 slots at one gigabyte or
* More.
*/
void __init pidhash_init (void)
{
int I, pidhash_size;Set up space for an array
Pid_hash = Alloc_large_system_hash ("PID", sizeof (*pid_hash), 0, 18,
hash_early | Hash_small,
pidhash_shift, NULL, 4096);
Pidhash_size = 1
for (i = 0; i
Init_hlist_head (pid_hash[i]);//Initialize the pointers in the array to null
}
The idea of i
the performance of the CPU and GPU under different systems. Can see the obvious difference, although the Mnist dataset is very simple, believe that the complex data set, the difference will be greater, UBUNTU+GPU is the only choice.Test Platform 1 : I7-4770K/16G/GTX 770/cuda 6.5MNIST Windows8.1 on CPU : 620sMNIST Windows8.1 on GPU : 190sMNIST Ubuntu 14.04 on CPU : 270sMNIST Ubuntu 14.04 on GPU : 160sMNIST Ubuntu 14.04 on Gpuwith CuDNN : 101cifar10_full on Gpuwihtout CuDNN : 73m45s = 4428s ( Ite
Total used free shared buffers Cached
Mem: 1046147072 934420480 111726592 0 123256832 671281152
-/+ buffers/cache: 139882496 906264576
Swap: 4294959104 0 4294959104
3. Display memory in kilobytesAdd the- k parameter to the free command (the default unit, so you can use it without it ), to display the memory size in kilobytes (KB).
# free-k
Total used free shared buffers Cached
Mem: 1021628 912520 109108 0 120368 655548
-/+ buffers/cache: 136
, mapping to physical memory always starts with the lowest address (0x00000000). For kernel space, the address map is a very simple linear mapping, 0xc0000000 is the physical address and linear address between the amount of displacement, in the Linux code is called Page_offset. Let's take a look at the description and definition of address mappings in kernel space in include/asm/i386/page.h:/** This handles the memory map. We could make this a config* option, but too many people screw it up, and
Sxssfworkbook ( -1);//Turn off AUT O-flushing and accumulate all rows in memory Sheet sh = wb.createsheet (); for (int rownum = 0; rownum SXSSF flushes sheet data in temporary files (a temp file per sheet) and the size of these temporary files can grow to a ve Ry large value. For example, a-MB CSV data, the size of the temp XML becomes more than a gigabyte. If the size of the temp files is a issue, you can tell SXSSF to use gzip com
Recently newly configured a "Faith bonus" experiment Machine (AMD FX-8350, Gigabyte 990xa-ud3, Sapphire R7 260X), will be installed Debian Gnu/linux the problems encountered in the following summary:
Nic not working properlyWorkaround: Turn IOMMU on in the BIOS
Linux kernel outputs a large amount of io_page_fault information at startupFIX: Add kernel boot parameter "iommu=pt"
Slight jitter on the screen (regardless of the TTY console or th
The example in this article describes the use of PHP to get folder size functions. Share to everyone for your reference. Specifically as follows:
?
Get folder Size
function Getdirsize ($dir)
{
$handle = Opendir ($dir);
while (false!== ($FolderOrFile = Readdir ($handle)))
{
if ($FolderOrFile!= "." $FolderOrFile!= "...")
{
if (Is_dir ("$dir/$FolderOrFile"))
{
$sizeResult + + getdirsize ("$dir/$FolderOrFile");
}
Else
{
$sizeResult + + filesize ("$dir/$FolderOrFile");
}
}
}
Clos
Exposure to computers all day, inevitably with a variety of measurement units to deal with, especially data, but you know bit, Byte, KB, GB, TB and so on all means how much data? Have you heard of EB, ZB, YB?
Bit (bit) is the initials of binary digit, the unit that measures information, and the smallest unit that represents the amount of content, only 0 or 12 binary states. 8 bits make up a byte (byte), can hold an English character, and a Chinese character requires two bytes of storage space,
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.