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c++ Programming Glossary: kernelCopy a file in an sane, safe and efficient way http://stackoverflow.com/questions/10195343/copy-a-file-in-an-sane-safe-and-efficient-way end start CLOCKS_PER_SEC n return 0 LINUX WAY requires kernel 2.6.33 #include iostream #include sys sendfile.h sendfile #include.. VIDEO FILE Steps ro reproduce 1. rm from.ogg 2. reboot # kernel and filesystem buffers are in regular 3. time . program report.txt.. .ogv # checksum 5. rm to.ogg # remove copy but no sync kernel and fileystem buffers are used 6. time . program report.txt..
http://stackoverflow.com/questions/1036504/tree-implementation
How do I gaussian blur an image without using any in-built gaussian functions? http://stackoverflow.com/questions/1696113/how-do-i-gaussian-blur-an-image-without-using-any-in-built-gaussian-functions can see how this can easily be extended to large filter kernels ie 5x5 or 9x9 etc . The difference between a gaussian filter.. in colour high frequencies behind. Edit A 5x5 filter kernel is define exactly as above. e.g if your row is 0.1 0.2 0.4 0.2..
Why should exceptions be used conservatively? http://stackoverflow.com/questions/1744070/why-should-exceptions-be-used-conservatively require at least one of the following expensive operations kernel calls or other system API invocations to manage kernel system.. kernel calls or other system API invocations to manage kernel system signal interfaces stack unwinding allocation of dynamic..
Send and Receive a file in socket programming in Linux with C/C++ (GCC/G++) http://stackoverflow.com/questions/2014033/send-and-receive-a-file-in-socket-programming-in-linux-with-c-c-gcc-g call sendfile that does just what you want. It tells the kernel to send a file from one file descriptor to another and then.. a file from one file descriptor to another and then the kernel can take care of the rest. There is a caveat that the source.. using read and write except that the buffer is in the kernel so the data doesn't have to transferred between the kernel and..
Why global and static variables are initialized to their default values? http://stackoverflow.com/questions/2091499/why-global-and-static-variables-are-initialized-to-their-default-values alone would leak information from other processes or the kernel. Efficiency the values are useless until initialized to something..
What is __gxx_personality_v0 for? http://stackoverflow.com/questions/329059/what-is-gxx-personality-v0-for using gcc sometimes a linker error like this occurs out kernel.o .eh_frame 0x11 undefined reference to `__gxx_personality_v0'.. is what is the purpose of this symbol c gcc linker kernel share improve this question It is used in the stack unwiding..
Windows threading: _beginthread vs _beginthreadex vs CreateThread C++ http://stackoverflow.com/questions/331536/windows-threading-beginthread-vs-beginthreadex-vs-createthread-c API call for creating another thread of control at the kernel level. _beginthread _beginthreadex are C runtime library calls..
How to detect win32 process creation/termination in c++ http://stackoverflow.com/questions/3556048/how-to-detect-win32-process-creation-termination-in-c process creation or termination we might implement a NT kernel mode driver using the APIs PsSetCreateProcessNotifyRoutine that.. My question is if this is possible without creating a NT kernel mode driver only using win32 api functions using c Not using..
How do I start a CUDA app in Visual Studio 2010? http://stackoverflow.com/questions/3778799/how-do-i-start-a-cuda-app-in-visual-studio-2010 within visual studio 2010 Background I've written CUDA kernels. I'm intimately familiar with the .vcproj files from Visual.. several by hand. In VS 2005 if I want to build a CUDA kernel I add a custom build rule and then explicitly define the nvcc.. Build Customizations I see CUDA 3.1 and 3.2 but when I add kernels to the project they aren't built. Another website proclaims..
How to determine CPU and memory consumption from inside a process? http://stackoverflow.com/questions/63166/how-to-determine-cpu-and-memory-consumption-from-inside-a-process never got meaningful values. When I finally checked the kernel sources themselves I found out that apparently these APIs are.. these APIs are not yet completely implemented as of Linux kernel 2.6 In the end I got all values via a combination of reading.. a combination of reading the pseudo filesystem proc and kernel calls. Total Virtual Memory #include sys types.h #include sys..
how to detect a TCP socket disconnection (with c berkeley socket) http://stackoverflow.com/questions/6404008/how-to-detect-a-tcp-socket-disconnection-with-c-berkeley-socket in reading this http lkml.indiana.edu hypermail linux kernel 0106.1 1154.html In addition using TCP Keep Alive may help distinguish..
Copy a file in an sane, safe and efficient way http://stackoverflow.com/questions/10195343/copy-a-file-in-an-sane-safe-and-efficient-way CLOCKS_PER_SEC n return 0 Environment GNU LINUX Archlinux Kernel 3.3 GLIBC 2.15 LIBSTDC 4.7 GCC LIBS GCC 4.7 Coreutils 8.16 Using..
ublas vs. matrix template library (MTL4) http://stackoverflow.com/questions/1067821/ublas-vs-matrix-template-library-mtl4 and also vendor tuned implementations like the Intel Math Kernel Library or HP MLIB . With these bindings uBLAS with a well tuned..
http://stackoverflow.com/questions/118199/c-thread-shared-data longer need volatile Volatile considered harmful and Linux Kernel Memory Barriers are good background on the underlying issues..
CUDA device to host copy very slow http://stackoverflow.com/questions/12792693/cuda-device-to-host-copy-very-slow is one of timing not of any change in copy performance. Kernel launches are asynchronous in CUDA so what you are measuring..
naming convention of temp local variables http://stackoverflow.com/questions/1362063/naming-convention-of-temp-local-variables share improve this question Linus Torvalds Linux Kernel coding style from Linus Torvalds LOCAL variable names should..
How to get list of GDI handles http://stackoverflow.com/questions/13905661/how-to-get-list-of-gdi-handles function but this description only works with handles to Kernel Objects. Can somebody help c c windows winapi gdi share improve.. stdafx.h defines a GDI CELL typedef struct LPVOID pKernelAddress USHORT wProcessId USHORT wCount USHORT wUpper USHORT.. defines a GDI CELL for WOW64 typedef struct PVOID64 pKernelAddress USHORT wProcessId USHORT wCount USHORT wUpper USHORT..
step into system, CRTL functions with Eclipse in Linux http://stackoverflow.com/questions/14027693/step-into-system-crtl-functions-with-eclipse-in-linux linux eclipse share improve this question Whilst as a Kernel developer on Linux I do agree that using the individual tools..
How to separate CUDA code into multiple files http://stackoverflow.com/questions/2090974/how-to-separate-cuda-code-into-multiple-files questions I know this is something small but what is it KernelSupport.cu #ifndef _KERNEL_SUPPORT_ #define _KERNEL_SUPPORT_.. #define _KERNEL_SUPPORT_ #include iostream #include MyKernel.cu int main int argc char argv int hostArray int deviceArray.. deviceArray free hostArray std cout Done n #endif MyKernel.cu #ifndef _MY_KERNEL_ #define _MY_KERNEL_ __global__ void TestDevice..
Customizing CGAL Kernel with my own Point class http://stackoverflow.com/questions/2418332/customizing-cgal-kernel-with-my-own-point-class CGAL Kernel with my own Point class I would like to use a custom Point.. It works perfectly if I set the Point_2 typedef inside MyKernel to CGAL Exact_predicates_inexact_constructions_kernel Point_2... int x int y P x y MyPoint double x double y P x y struct MyKernel CGAL Exact_predicates_inexact_constructions_kernel typedef MyPoint..
C++ meta-programming doxygen documentation http://stackoverflow.com/questions/3435225/c-meta-programming-doxygen-documentation rysq type B rysq type C rysq type D class Transform struct Kernel meta braket A B C D Transform typename boost enable_if quadrature..
Fair comparison of fork() Vs Thread [closed] http://stackoverflow.com/questions/3934992/fair-comparison-of-fork-vs-thread results are uname a Darwin Alpha.local 10.4.0 Darwin Kernel Version 10.4.0 Fri Apr 23 18 28 53 PDT 2010 root xnu 1504.7.4~1..
Is Boost IPC any good? [closed] http://stackoverflow.com/questions/5140312/is-boost-ipc-any-good they create it's own File Based implementation WinAPI Kernel Objects . If your Program crashes the files won't be deleted...
http://stackoverflow.com/questions/5531247/allocating-shared-memory an error. my kernel looks like this __global__ void Kernel const int count __shared__ int a count and i am getting an error..
http://stackoverflow.com/questions/6476613/syncthreads-deadlock execute it i have a kernel like this __global__ void Kernel int N int a if threadIdx.x N for int i 0 i N i a threadIdx.x..
Output of cuda program is not what was expected http://stackoverflow.com/questions/6561005/output-of-cuda-program-is-not-what-was-expected i s. n __FILE__ __LINE__ cudaGetErrorString err printf Kernel Completed Successfully. Woot. n n char p bufferSize printf d_x..
What are the differences between C, C# and C++ in terms of real-world application http://stackoverflow.com/questions/692225/what-are-the-differences-between-c-c-sharp-and-c-in-terms-of-real-world-appli I see these languages applied in the following domains C Kernel level software. Hardware device drivers Applications where access..
Anticipate “kernel too old” errors between 2.6.16 and 2.6.26 kernel versions http://stackoverflow.com/questions/6941332/anticipate-kernel-too-old-errors-between-2-6-16-and-2-6-26-kernel-versions 0 0 1 51 @@ ... MIN_KERNEL_SUPPORTED 2.6.18 ... # Minimum Kernel supported with_headers with headers shell pwd debian include..
multithreading on dual core machine? http://stackoverflow.com/questions/8809752/multithreading-on-dual-core-machine are threads launched by applications and are mapped N M to Kernel threads which are threads managed by the operating system mapped..
The implementation of random_device in VS2010? http://stackoverflow.com/questions/9549357/the-implementation-of-random-device-in-vs2010 Next Entry Offset Number Of Threads Create Time User Time Kernel Time Image Name Base Priority Unique Process ID Inherited from..
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