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When to use thread pool in C#? [closed]
... a thread is waiting on a synchronization object (event, semaphore, mutex, etc) then the thread does not consume CPU.
– Brannon
Sep 28 '08 at 7:18
7
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FixedThreadPool vs CachedThreadPool: the lesser of two evils
... How Java maps threads to OS threads, how that maps threads to CPU threads etc.? I'm asking because creating 150 threads within in ONE JRE only makes sense if you have massive CPU cores/threads underneath, which most likely is not the case. Depending on the OS and RAM in use, creating more than n th...
Thread context switch Vs. process context switch
...t when you switch address space, more memory access (paging, segmentation, etc) and you have to flush TLB when entering or exiting a new process...
How to benchmark efficiency of PHP script
...ws to define steps in the code and reports time, memory usage, server load etc between two steps.
Something like:
$appgati->Step('1');
// Do some code ...
$appgati->Step('2');
$report = $appgati->Report('1', '2');
print_r($report);
Sample output array:
Array
(
...
开源MQTT网关：EMQX vs Mosquitto - 创客硬件开发 - 清泛IT社区，为创新赋能！
...底层传输协议 QUIC 的支持，以解决复杂网络环境下的通信问题，提升整体吞吐量和移动连接的稳定性。此外，EMQX 也扩展支持 MQTT-SN、CoAP、LwM2M、STOMP 以及其他协议扩展。安全性安全性对于物联网设备连接以及设备之间、设备与...
How many threads is too many?
...you reach some bottleneck be it CPU, database throughput, disk throughput, etc, adding more threads won't increase the overall performance. But until you hit that point, add more threads!
Note that this assumes the system(s) in question are dedicated to your app, and you don't have to play nicely ...
How to detect idle time in JavaScript elegantly?
...idle " time in JavaScript?
My primary use case probably would be to pre-fetch or preload content.
38 Answers
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What is the difference between Trap and Interrupt?
...ted by the hardware (devices like the hard disk, graphics card, I/O ports, etc). These are asynchronous (i.e. they don't happen at predictable places in the user code) or "passive" since the interrupt handler has to wait for them to happen eventually.
You can also see a trap as a kind of CPU-intern...
Is non-blocking I/O really faster than multi-threaded blocking I/O? How?
...rrent connections if the scarce resource is a connection-limited database, etc.).
Another way to put it is: allowing the operating system to interleave the usage of a single resource for two tasks cannot be faster than merely letting one task use the resource while the other waits, then letting the...
.bashrc at ssh login
...ly container for persistent storage) - BUT you may also want to check /etc/passwd to check your login shell is /bin/bash & not /bin/sh -------> /bin/dash
– Stuart Cardall
May 15 '15 at 22:27
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