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JavaScript OOP in NodeJS: how?
...reate 100 function identities, your server would quickly waste most of its CPU on GC :P), even though you will not use them for anything. The language doesn't have enough expressive power to optimize this away currently.
– Esailija
Aug 12 '13 at 13:45
...
What is an example of the simplest possible Socket.io example?
...may take a few minutes depending on the speed of your network connection / CPU / etc. To check that everything went as planned, you can look at the package.json file again.
$ cat package.json
{
"dependencies": {
"express": "~4.9.8",
"socket.io": "~1.1.0"
}
}
Create a file called serve...
The purpose of Model View Projection Matrix
...iform to the shader program, having set it up for the current model on the CPU.
– Tommy
Apr 6 '11 at 10:50
Hi Tommy, c...
Performant Entity Serialization: BSON vs MessagePack (vs JSON)
...becomes is your network overhead more or less constrained than your memory/cpu?
With regards to msgpack vs bson vs protocol buffers... msgpack is the least bytes of the group, protocol buffers being about the same. BSON defines more broad native types than the other two, and may be a better match...
How does Java Garbage Collection work with Circular References?
...e "root" set of places that are always considered "reachable", such as the CPU registers, stack, and global variables. It works by finding any pointers in those areas, and recursively finding everything they point at. Once it's found all that, everything else is garbage.
There are, of course, quite...
Are arrays passed by value or passed by reference in Java? [duplicate]
... in the heap, which means that iterated lookup is much cheaper in terms of CPU time. A List does not guarantee contiguous storage.
– noisesmith
Dec 10 '13 at 18:34
...
Pass correct “this” context to setTimeout callback?
...or this case, for map(), for forEach(), etc., etc., using less code, fewer CPU cycles, and less memory. ***See: Misha Reyzlin's answer.
– HoldOffHunger
Oct 20 '17 at 17:06
ad...
Why is char[] preferred over String for passwords?
...chnically the clearing is often done with protected mode tricks and if the CPU is broken (e.g. Intel Meldown) it's still possible to read old memory contents.
– Mikko Rantalainen
Apr 21 at 7:33
...
Is there a REAL performance difference between INT and VARCHAR primary keys?
...oncerns in comments.
The setup was as follows:
Intel® Core™ i7-7500U CPU @ 2.70GHz × 4
15.6 GiB RAM, of which I ensured around 8 GB was free during the test.
148.6 GB SSD drive, with plenty of free space.
Ubuntu 16.04 64-bit
MySQL Ver 14.14 Distrib 5.7.20, for Linux (x86_64)
The tables:
c...
What is the most efficient Java Collections library? [closed]
...rove didn't outperform the JDK collection classes in both memory usage and CPU time. If you are using objects though (and not primitive types), then I would agree with Alex, fretting over collection impl is not as big of a deal.
– Riyad Kalla
May 3 '11 at 13:...