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Is MATLAB OOP slow or am I doing something wrong?
... 1.7.0_11 on PCWIN64 Windows 7 6.1 (eilonwy-win7)
Machine: Core i7-3615QM CPU @ 2.30GHz, 4 GB RAM (VMware Virtual Platform)
nIters = 100000
Operation Time (µsec)
nop() function: 0.14
nop() subfunction: 0.14
@()[] anonymous f...
Where do you store your salt strings?
...ach:
Since the exact logic is inferred at run-time, this approach is very CPU-intensive. The longer the length of the salt, the more CPU-intensive this approach becomes.
Authenticating incorrect passwords will involve the highest CPU cost. This can be counter-productive to legitimate requests, but...
What are the differences between a UIView and a CALayer?
...ore. Working with UIViews happens on the main thread, it means it is using CPU power.
CALayer: Layers on other hand have simpler hierarchy. That means they are faster to resolve and quicker to draw on the screen. There is no responder chain overhead unlike with views. Layers are drawn directly on t...
iOS 7 style Blur view
... of course, FXBlurView is good option,but when there is matter of CPU usage. than i prefer other blurView. i use this in my UICollectionVIew and UITableView but it increase my CPU usage. in next run i comment those allocations and it becomes normal. i hope, this will help someone.
...
Linux日志管理Rsyslog入门 - C/C++ - 清泛网移动版 - 专注C/C++及内核技术
...性能上更为出色，至于孰优孰劣是个仁者见仁智者见智的问题，鉴于多数Linux发行版均选择了Rsyslog，姑且让我随波逐流一次。
如果说Rsyslog有哪些缺点的话，那么兼容性无疑是很显眼的一个，不同版本之间的差异比较大，使用时...
What is the optimal length for user password salt? [closed]
...pical three strikes locked out for 15 minutes is better. Are you "wasting" CPU cycles to do this? Yeah, whatever. The CPU spends more time idle than not on most websites anyway, so what does it matter? If you're running into performance issues, scale out.
– Randolpho
...
Significance of bool IsReusable in http handler interface
...
Context switching is when a CPU stops processing on one thread and starts processing on another. I.E. the CPU switched it's context from one thread to another. This happens constantly in PCs, it gave us the illusion of multitasking before there were m...
Database sharding vs partitioning
...important to understand that databases are extremely resource intensive:
CPU
Disk
I/O
Memory
Many DBA's will partition on the same machine, where the partitions will share all the resources but provide an improvement in disk and I/O by splitting up the data and/or index.
While other strategies ...
Performance of Java matrix math libraries? [closed]
...composition of a random 1024x1024 matrix.
Machine: Intel(R) Core(TM)2 Duo CPU E6750 @ 2.66GHz, linux x64
Octave code: A=rand(1024); tic;[U,S,V]=svd(A);toc
results execution time
---------------------------------------------------------
Octave ...
How to detect DIV's dimension changed?
...ion. It uses an event-based approach, so it's damn fast and doesn't waste CPU time.
Example:
new ResizeSensor(jQuery('#divId'), function(){
console.log('content dimension changed');
});
Please do not use the jQuery onresize plugin as it uses setTimeout() in combination with reading the DOM...