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What are some uses of template template parameters?
...type float and on GPU, but connection_matrix will always be int, either on CPU (by specifying TT = Tensor) or on GPU (by specifying TT=TensorGPU).
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What is the performance cost of having a virtual method in a C++ class?
...cache misses on execution (deliberately, since I was trying to examine the CPU pipeline in isolation), so they discount that cost.
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JSON and XML comparison [closed]
...erformance reports, conducted by the W3C, as efficiency and low memory and CPU footprint, is also a matter for the XML area too: Efficient XML Interchange Evaluation.
Update 2015-03-01
Worth to be noticed in this context, as HTTP overhead was raised as an issue: the IANA has registered the EXI enc...
凤姐当天使 徐小平胡海泉薛蛮子王刚怎么看？ - 资讯 - 清泛网 - 专注C/C++...
...们投资偏硬技术比较多一点，一般现在的天使碰不到这些问题，你要投硬技术的时候，其实是特别痛苦的一件事，比如说现在天使投资都说人不好，我们就不投了，投硬技术，往往真理就在这个人的手里，他能掌握这个核心技术...
Best approach to real time http streaming to HTML5 video client
... HTML5 client (involves re-encoding, so expect quality loss and needs some CPU-power):
Set up an icecast server (could be on the same machine you web server is on or on the machine that receives the RTSP-stream from the cam)
On the machine receiving the stream from the camera, don't use FFMPEG but...
内存优化总结:ptmalloc、tcmalloc和jemalloc - 操作系统(内核) - 清泛网 - ...
...内存到CentralCache里。 解决了ptmalloc2中arena之间不能迁移的问题。
Tcmalloc占用更少的额外空间。例如，分配N个8字节对象可能要使用大约8N * 1.01字节的空间。即，多用百分之一的空间。Ptmalloc2使用最少8字节描述一个chunk。
更快。...
How slow are .NET exceptions?
...are implemented as Win32 SEH exceptions, so some will even pass the ring 0 CPU boundary!
Obviously in the real world, you'll be doing a lot of other work so the odd exception will not be noticed at all, but if you use them for program flow expect your app to be hammered. This is another example of ...
What are the dangers when creating a thread with a stack size of 50x the default?
...d the local variables in a method. Minus the ones that can be stored in a CPU register, you can ignore that since there are so few of them.
Increasing the stack size doesn't accomplish anything, you'll just reserve a bunch of address space that will never be used. There is no mechanism that can e...
In which order should floats be added to get the most precise result?
...bly avoid using -ffast-math but that in many applications where you may be CPU-bound but don't care about precise numerical computations, (game programming for instance), -ffast-math is reasonable to use. Thus, I'd like to ammend my strongly worded "banned" comment.
– Chris A....
How do Trigonometric functions work?
...curacy and performance are going to be problematic. By performance I mean CPU execution time.
– Jason S
Jul 18 '12 at 16:41
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