[/
          Copyright Oliver Kowalke 2014.
 Distributed under the Boost Software License, Version 1.0.
    (See accompanying file LICENSE_1_0.txt or copy at
          http://www.boost.org/LICENSE_1_0.txt
]

[section:performance Performance]

Performance of __boost_context__ was measured on the platforms shown in the
following table. Performance measurements were taken using `rdtsc` and
`boost::chrono::high_resolution_clock`, with
overhead corrections, on x86 platforms. In each case, cache warm-up was
accounted for, and the one running thread was pinned
to a single CPU. The code was compiled using the build options,
'variant = release cxxflags = -DBOOST_DISABLE_ASSERTS'.

[table Performance of context switch
    [[Platform] [ucontext_t] [fcontext_t] [execution_context] [windows fibers]]
    [
        [i386 [footnote AMD Athlon 64 DualCore 4400+]]
        [708 ns / 754 cycles]
        [37 ns / 37 cycles]
        [ ns /  cycles]
        [ ns /  cycles]
    ]
    [
        [x86_64 [footnote Intel Core2 Q6700]]
        [547 ns / 1433 cycles]
        [8 ns / 23 cycles]
        [16 ns / 46 cycles]
        [ ns /  cycles]
    ]
]


[endsect]
