Questions tagged [boost-circularbuffer]
8 questions
2
votes
2 answers
Using scoped `polymorphic_allocator` with `boost::circular_buffer` fails
Background
I want to use boost::circular_buffer with a scoped C++17 std::pmr::polymorphic_allocator. I.e. I want the same allocator for an outer container to be used for inner containers.
Side note:
boost::circular_buffer is allocator-aware and the…
mandrake
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2
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1 answer
How to get element from circular_buffer
I am using boost library in MAC (xcode). I have two questions about boost::circular_buffer.
1 - I am getting syntax error when declaring the circular_buffer
boost::circular_buffer cb(10);
Expected parameter decelerator
Expected ')'
2 - Second…
Ibrar Ahmed
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1
vote
1 answer
Using a circular buffer on disk
I was trying to create a memory-mapped circular buffer on disk using Boost, and I read this answer: https://stackoverflow.com/a/29265629/8474732
However, I have a hard time reading the circular buffer that was written. I tried to do a push_back on…
Carl Zhao
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1
vote
1 answer
boost::lockfree::spsc_queue and boost::asio
I'm would like to receive directly into a boost::lockfree:spsc_queue (or, alternatively, a boost::circular_buffer) from a boost::asio::async_read call. Looks like I need to write a wrapper to make the spsc_queue a MutableBuffer.
Can anyone share…
schuess
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1 answer
How can I use boost::regex on a boost::circular buffer?
I'm capturing data in a boost::circular_buffer and would like to now perform a regex search on the contents but I'm having some difficulty getting boost::regex to understand how to look at the buffer.
Here's a stripped down version of the sort of…
Jon Cage
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How to access all the elements at once in boost circular buffer?
I declared a buffer of vector in c++:
boost::circular_buffer> poses {20};
I need to store the values of the buffer into a tensor of shape [1, 20, 30]. Each vector in the buffer is of size 30. So the circular buffer has 20 size…
0
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2 answers
Is there a way to keep the front of an empty boost circular buffer hot in cache?
There is a specific circular buffer I wish to keep hot in cache, however it can go unused for extended periods of time. This is causing cache misses.
I have an idle loop that can take responsibility for keeping the location hot, but I cannot see a…
Chuu
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How to declare a boost::circular_buffer to be initialized later?
I'm trying to use a circular buffer on disk, but to simplify my question I'm trying to use a circular buffer in different functions without having to pass the circular buffer as an argument. So it may look like this:
#include…
Carl Zhao
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