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Is memcached a dinosaur in comparison to Redis? [closed]
...ance peak with only a few concurrent requests since it only makes use of 1 cpu core/thread. The suggested method of circumventing this is to run multiple instances of Redis on one machine with consistent hashing, but this is a really poor solution. So if you need high concurrency and have multi-core...
Why is Magento so slow? [closed]
...ame trees for information. This takes both memory (storing the trees) and CPU (parsing the trees). Some of these (especially the layout tree) are huge. Also, unless caching is on, these tree are built up from files on disk and on each request.
Magento uses its configuration system to allow you to...
Queue.Queue vs. collections.deque
... try/except, you will end up with a busy loop eating up enormous amount of CPU just waiting for new data. This seems like a horribly inefficient approach compared to the blocking calls offered by Queue, which ensure that the thread waiting for data will go to sleep and not waste CPU time.
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How does a “stack overflow” occur and how do you prevent it?
...nsumes as much as 64 bytes on the stack (32 bit processor, saving half the CPU registers, flags, etc)
Keep your call tree shallow (similar to the above statement)
Web servers
It depends on the 'sandbox' you have whether you can control or even see the stack. Chances are good you can treat web se...
Why does string::compare return an int?
... modern hardware) an integer of the same size as the system bus and/or the cpu registers, what is called the machine word. Therefore int is usually passed along faster than smaller types, because it doesn't require alignment, masking and other operations.
The smaller types exist mainly to allow RAM...
How to articulate the difference between asynchronous and parallel programming?
...nimation can also be considered as an individual task. If we have multiple CPUs/Cores or multiple machines available, we can render multiple frames in parallel to speed up the overall workload.
share
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How to mount a host directory in a Docker container
...t interfaces -a, --attach=[]: Attach to stdin, stdout or stderr. -c, --cpu-shares=0: CPU shares (relative weight)
– Kishore Vaishnav
May 4 '14 at 16:40
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How can I determine whether a 2D Point is within a Polygon?
...cannot fit into the GPU memory, this method is slower than doing it on the CPU. If it would have to be huge and your GPU supports modern shaders, you can still use the GPU by implementing the ray casting shown above as a GPU shader, which absolutely is possible. For a larger number of polygons or a ...
Targeting .NET Framework 4.5 via Visual Studio 2010
... entry -->
<!-- <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform> -->
<!-- New default platform entry -->
<Platform Condition=" '$(Platform)' == '' ">.NET 4.5</Platform>
c. Add AnyCPU platform to allow targeting other frameworks as specified in t...
In C/C++ what's the simplest way to reverse the order of bits in a byte?
... from there is obviously simple to implement. =)
For example (on a 32-bit CPU):
uint8_t b = byte_to_reverse;
b = ((b * 0x0802LU & 0x22110LU) | (b * 0x8020LU & 0x88440LU)) * 0x10101LU >> 16;
If by “simple to implement” one means something that can be done without a reference in ...