`_thread_pool_find_work_2`

Synopsis#include <flint/thread_pool.h>

ulong _thread_pool_find_work_2(ulong a, ulong alpha, ulong b, ulong beta, ulong yn, ulong yd)source

Load balancing for work with two cost rates: if the first $a$ items cost $\alpha$ each and the next $b$ items cost $\beta$ each, returns the number $x$ of items whose total cost is the fraction $y_n/y_d$ of the whole, rounded down. Requires $y_n \le y_d$ . The intermediate product $y_n (a \alpha + b \beta)$ must not overflow a word.

Cite this page

The FLINT team, “_thread_pool_find_work_2 (thread_pool.h),” FLINT: Fast Library for Number Theory, documentation, version 3.7.0-dev, 2026. https://flintlib.org/doc/thread_pool/_thread_pool_find_work_2.html (generated 2026-11-02).

@misc{flint-doc-thread-pool-thread-pool-find-work-2,
  author       = {{The FLINT team}},
  title        = {{\_thread\_pool\_find\_work\_2 (thread\_pool.h)}},
  howpublished = {FLINT: Fast Library for Number Theory, documentation, version 3.7.0-dev},
  year         = {2026},
  url          = {https://flintlib.org/doc/thread_pool/_thread_pool_find_work_2.html},
  note         = {Generated 2026-11-02}
}

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