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Standardize and document the parallel processing toggle

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Martin Hořeňovský 2019-06-15 12:50:36 +02:00
parent e640c3837a
commit c365ac392b
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GPG Key ID: DE48307B8B0D381A
3 changed files with 8 additions and 3 deletions
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1
docs/configuration.md
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@ -150,6 +150,7 @@ by using `_NO_` in the macro, e.g. `CATCH_CONFIG_NO_CPP17_UNCAUGHT_EXCEPTIONS`.
CATCH_CONFIG_WCHAR // Enables use of wchart_t
CATCH_CONFIG_EXPERIMENTAL_REDIRECT // Enables the new (experimental) way of capturing stdout/stderr
CATCH_CONFIG_ENABLE_BENCHMARKING // Enables the integrated benchmarking features (has a significant effect on compilation speed)
CATCH_CONFIG_USE_ASYNC // Force parallel statistical processing of samples during benchmarking
Currently Catch enables `CATCH_CONFIG_WINDOWS_SEH` only when compiled with MSVC, because some versions of MinGW do not have the necessary Win32 API support.

4
include/internal/benchmark/detail/catch_stats.cpp
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@ -18,7 +18,7 @@
#include <random>
#if defined(CATCH_USE_ASYNC)
#if defined(CATCH_CONFIG_USE_ASYNC)
#include <future>
#endif
@ -185,7 +185,7 @@ namespace Catch {
auto mean = &Detail::mean<std::vector<double>::iterator>;
auto stddev = &standard_deviation;
#ifdef CATCH_USE_ASYNC
#if defined(CATCH_CONFIG_USE_ASYNC)
auto Estimate = [=](double(*f)(std::vector<double>::iterator, std::vector<double>::iterator)) {
auto seed = entropy();
return std::async(std::launch::async, [=] {

6
include/internal/catch_compiler_capabilities.h
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@ -152,7 +152,7 @@
#if defined(_REENTRANT) || defined(_MSC_VER)
// Enable async processing, as -pthread is specified or no additional linking is required
# define CATCH_USE_ASYNC
# define CATCH_INTERNAL_CONFIG_USE_ASYNC
#endif // _MSC_VER
////////////////////////////////////////////////////////////////////////////////
@ -272,6 +272,10 @@
# define CATCH_CONFIG_POLYFILL_ISNAN
#endif
#if defined(CATCH_INTERNAL_CONFIG_USE_ASYNC) && !defined(CATCH_CONFIG_NO_USE_ASYNC) && !defined(CATCH_CONFIG_USE_ASYNC)
# define CATCH_CONFIG_USE_ASYNC
#endif
#if !defined(CATCH_INTERNAL_SUPPRESS_PARENTHESES_WARNINGS)
# define CATCH_INTERNAL_SUPPRESS_PARENTHESES_WARNINGS
# define CATCH_INTERNAL_UNSUPPRESS_PARENTHESES_WARNINGS