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https://github.com/qgis/QGIS.git
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63711510b6
... you are too slow and QJson API is so ugly. Now using this wonderful json lib: https://github.com/nlohmann/json Results in release mode (QJson tests are not shown but QJson was even slower than string concat). PASS : TestQgsJsonUtils::testExportAttributesJson(Use json) RESULT : TestQgsJsonUtils::testExportAttributesJson():"Use json": 0.0022 msecs per iteration (total: 75, iterations: 32768) PASS : TestQgsJsonUtils::testExportAttributesJson(Use old string concat) RESULT : TestQgsJsonUtils::testExportAttributesJson():"Use old string concat": 0.0032 msecs per iteration (total: 54, iterations: 16384) PASS : TestQgsJsonUtils::testExportFeatureJson(Use json) RESULT : TestQgsJsonUtils::testExportFeatureJson():"Use json": 0.011 msecs per iteration (total: 96, iterations: 8192) PASS : TestQgsJsonUtils::testExportFeatureJson(Use old string concat) RESULT : TestQgsJsonUtils::testExportFeatureJson():"Use old string concat": 0.015 msecs per iteration (total: 64, iterations: 4096) PASS : TestQgsJsonUtils::testExportGeomToJson(Use json) RESULT : TestQgsJsonUtils::testExportGeomToJson():"Use json": 0.76 msecs per iteration (total: 98, iterations: 128) PASS : TestQgsJsonUtils::testExportGeomToJson(Use old string concat) RESULT : TestQgsJsonUtils::testExportGeomToJson():"Use old string concat": 0.85 msecs per iteration (total: 55, iterations: 64) PASS : TestQgsJsonUtils::cleanupTestCase()
24 lines
516 B
C++
24 lines
516 B
C++
#pragma once
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// restore GCC/clang diagnostic settings
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#if defined(__clang__) || defined(__GNUC__) || defined(__GNUG__)
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#pragma GCC diagnostic pop
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#endif
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#if defined(__clang__)
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#pragma GCC diagnostic pop
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#endif
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// clean up
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#undef JSON_INTERNAL_CATCH
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#undef JSON_CATCH
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#undef JSON_THROW
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#undef JSON_TRY
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#undef JSON_LIKELY
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#undef JSON_UNLIKELY
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#undef JSON_DEPRECATED
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#undef JSON_NODISCARD
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#undef JSON_HAS_CPP_14
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#undef JSON_HAS_CPP_17
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#undef NLOHMANN_BASIC_JSON_TPL_DECLARATION
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#undef NLOHMANN_BASIC_JSON_TPL
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