Comparing the run time of math functions from LLVM libc with the MSVCRT libc: |function |perf-LLVM libc |perf-MSVCRT |ceilf |2.36 mins (141491389600 ns)|47.10 sec (47100940100 ns) |exp2f |6.37 mins (358441794700 ns)|12.39 mins (719404388300 ns) |expf |6.35 mins (381204661800 ns)|6.17 mins (346150163200 ns) |fabsf |1.18 mins (78425546600 ns) |53.75 sec (53745301900 ns) |floorf |3.15 mins (164770963800 ns)|45.94 sec (45935988400 ns) |logbf |4.38 mins (262508058800 ns)|55.47 sec (55466377700 ns) |nearbyintf |3.20 mins (167972868000 ns)|9.13 mins (523822963600 ns) |rintf |3.20 mins (168001498700 ns)|22.35 mins (1341266448800 ns) |roundf |2.35 mins (141151500600 ns)|1.42 mins (85326429800 ns) |truncf |2.31 mins (114846424000 ns)|59.41 sec (59414309100 ns) Evaluating the number of differing results in Windows: |function |diff |ceilf |8388606 differing results |exp2f |213303887 differing results |expf |193922 differing results |fabsf |8388606 differing results |floorf |8388606 differing results |logbf |0 differing results |nearbyintf |0 differing results |rintf |0 differing results |roundf |0 differing results |truncf |0 differing results Reviewed By: sivachandra Differential Revision: https://reviews.llvm.org/D107462
17 lines
598 B
C++
17 lines
598 B
C++
//===-- Differential test for nearbyintf-----------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "SingleInputSingleOutputDiff.h"
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#include "src/math/nearbyintf.h"
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#include <math.h>
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SINGLE_INPUT_SINGLE_OUTPUT_DIFF(float, __llvm_libc::nearbyintf, ::nearbyintf,
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"nearbyintf_diff.log")
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