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23aa79d9a9
On high traffic benchmarks, it's visible the the CPU is dominated by calls to memcpy(), and many of those come from htx functions. It was measured that 63% of those coming from htx are made on 8-byte blocks which really are not worth a call to the function since a single read-write cycle does it fine. This commit adds an inline htx_memcpy() function that explicitly checks for this length and just copies the data without that call. It's even likely that it could be detected on const sizes, though that was not done. This is already effective in reducing the number of calls to memcpy().
The HAProxy documentation has been split into a number of different files for ease of use. Please refer to the following files depending on what you're looking for : - INSTALL for instructions on how to build and install HAProxy - BRANCHES to understand the project's life cycle and what version to use - LICENSE for the project's license - CONTRIBUTING for the process to follow to submit contributions The more detailed documentation is located into the doc/ directory : - doc/intro.txt for a quick introduction on HAProxy - doc/configuration.txt for the configuration's reference manual - doc/lua.txt for the Lua's reference manual - doc/SPOE.txt for how to use the SPOE engine - doc/network-namespaces.txt for how to use network namespaces under Linux - doc/management.txt for the management guide - doc/regression-testing.txt for how to use the regression testing suite - doc/peers.txt for the peers protocol reference - doc/coding-style.txt for how to adopt HAProxy's coding style - doc/internals for developer-specific documentation (not all up to date)