Changeset 80d16f8 for doc/theses/thierry_delisle_PhD/thesis/text/front.tex
- Timestamp:
- Aug 3, 2022, 7:14:54 AM (2 years ago)
- Branches:
- ADT, ast-experimental, master, pthread-emulation
- Children:
- a7d696f, c3b999d9
- Parents:
- 3fe4acd
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-
- 1 edited
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doc/theses/thierry_delisle_PhD/thesis/text/front.tex
r3fe4acd r80d16f8 143 143 The new scheduler achieves this goal by demonstrating equivalent performance to work-stealing schedulers while offering better fairness. 144 144 The implementation uses several optimizations that successfully balance the cost of fairness against performance; 145 some of these optimization rely on interesting hardware optimizations present on modern CPUs.145 some of these optimizations rely on interesting hardware optimizations present on modern CPUs. 146 146 The new scheduler also includes support for implicit nonblocking \io, allowing applications to have more user-threads blocking on \io operations than there are \glspl{kthrd}. 147 The implementation is based on @io_uring@, a recent addition to the Linux kernel, and achieves the same performance and fairness .147 The implementation is based on @io_uring@, a recent addition to the Linux kernel, and achieves the same performance and fairness as systems using @select@, @epoll@, \etc. 148 148 To complete the scheduler, an idle sleep mechanism is implemented that significantly reduces wasted CPU cycles, which are then available outside of the application. 149 149
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