jiridanek commented on pull request #211:
URL: https://github.com/apache/qpid-proton/pull/211#issuecomment-620584826
I am adding the ability to run the tests with previous versions of Proton,
and being able to use the benchmark code with separately compiled proton
installation. Currently I am aiming at Proton 0.19.0+.
It is helpful to compile Proton with
{{`-DCMAKE_INSTALL_RPATH_USE_LINK_PATH=TRUE -DENABLE_WARNING_ERROR=OFF`}} for
this, if you use new compiler (warnings) or if you have openssl and cyrus in
nonstandard location (rpath).
My CMakeLists.txt for this usecase looks like this
```
cmake_minimum_required(VERSION 3.0)
project(benchmarks)
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
# -DCMAKE_INSTALL_RPATH_USE_LINK_PATH=TRUE
find_package(Proton 0.18 REQUIRED COMPONENTS Core Proactor)
find_package(ProtonCpp 0.19 REQUIRED)
include_directories(${Proton_Core_INCLUDE_DIRS})
# link everything everywhere
link_libraries(${Proton_LIBRARIES})
link_libraries(${ProtonCpp_LIBRARIES})
# workaround, proton cpp .so does not set rpath for $ORIGIN, so these
wouldn't be found otherwise
link_libraries(${Proton_Core_LIBRARIES})
link_libraries(${Proton_Proactor_LIBRARIES})
# in-tree benchmarks link these libs, create dummy empty ones
add_library(qpid-proton OBJECT IMPORTED)
add_library(qpid-proton-cpp OBJECT IMPORTED)
add_subdirectory(../c/benchmarks cbenchbin)
add_subdirectory(../cpp/benchmarks cppbenchbin)
```
With this, I can have historical charts (raw version, simply drawn in online
spreadsheet). Also, I have set fixed CPU clock to 1.9 GHz, so that results are
stable, but generally less than half of what can be achieved on maxed-out clock
speeds. I am still not very confident about intel pstate cpu freq settings. I
think what I got there now works ok...
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