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Citing Does setbuf() affect cout?

I want to increase the buffer size to improve the performance of cout (it is usually redirected to disk)

Can I do:

std::cout.rdbuf()->pubsetbuf(some_buffer, buffer_size);

And also

ios::sync_with_stdio(false);

Does this make sense?

EDIT: Also I am using multiple threads, so I was hoping to reduce the need for synchronization.

Citing Does setbuf() affect cout?

I want to increase the buffer size to improve the performance of cout (it is usually redirected to disk)

Can I do:

std::cout.rdbuf()->pubsetbuf(some_buffer, buffer_size);

And also

ios::sync_with_stdio(false);

Does this make sense?

EDIT: Also I am using multiple threads, so I was hoping to reduce the need for synchronization.

Citing Does setbuf() affect cout?

I want to increase the buffer size to improve the performance of cout (it is usually redirected to disk)

Can I do:

std::cout.rdbuf()->pubsetbuf(some_buffer, buffer_size);

And also

ios::sync_with_stdio(false);

Does this make sense?

Citing Does setbuf() affect cout?

I want to increase the buffer size to improve the performance of cout (it is usually redirected to disk)

Can I do:

std::cout.rdbuf()->pubsetbuf(some_buffer, buffer_size);

And also

ios::sync_with_stdio(false);

Does this make sense?

EDIT: Also I am using multiple threads, so I was hoping to reduce the need for synchronization.