Re: [Qemu-devel] [PATCH v4 25/35] target-i386: remove helper_lock()

2016-10-05 Thread Alex Bennée
Richard Henderson writes: > From: "Emilio G. Cota" > > It's been superseded by the atomic helpers. > > The use of the atomic helpers provides a significant performance and > scalability > improvement. Below is the result of running the atomic_add-test > microbenchmark with: > $ x86_64-linux-

[Qemu-devel] [PATCH v4 25/35] target-i386: remove helper_lock()

2016-09-16 Thread Richard Henderson
From: "Emilio G. Cota" It's been superseded by the atomic helpers. The use of the atomic helpers provides a significant performance and scalability improvement. Below is the result of running the atomic_add-test microbenchmark with: $ x86_64-linux-user/qemu-x86_64 tests/atomic_add-bench -o 500