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[Help-gsl] GSL 2.3 test failures on OBS


From: Adam Majer
Subject: [Help-gsl] GSL 2.3 test failures on OBS
Date: Fri, 27 Jan 2017 15:17:48 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1

Hello,

Building GSL on SUSE's Open Build Service results in test failures on a
few architectures.

  https://build.opensuse.org/package/show/science/gsl

On PPC64 it dies in

[  203s] ./linalg/test-suite.log
[  203s] ====================================
[  203s]    gsl 2.3: linalg/test-suite.log
[  203s] ====================================
[  203s] FAIL: test
[  203s] ==========
[  203s]
[  203s] FAIL: pcholesky_invert unscaled hilbert (  4,  4)[0,2]:
-2.55795384873636067e-13                        0
[  203s]  (-2.55795384873636067e-13 observed vs 0 expected) [533911]
[  203s] FAIL: mcholesky_invert unscaled hilbert (  4,  4)[0,2]:
-2.55795384873636067e-13                        0
[  203s]  (-2.55795384873636067e-13 observed vs 0 expected) [672592]
[  203s] FAIL test (exit status: 1)
[  203s]


On PPC64le, the tests die in the same tests,

[  184s] FAIL: pcholesky_invert unscaled hilbert (  4,  4)[0,2]:
-2.55795384873636067e-13                        0
[  184s]  (-2.55795384873636067e-13 observed vs 0 expected) [533911]
[  184s] FAIL: mcholesky_invert unscaled hilbert (  4,  4)[0,2]:
-2.55795384873636067e-13                        0
[  184s]  (-2.55795384873636067e-13 observed vs 0 expected) [672592]
[  184s] FAIL test (exit status: 1)


And on AArch64, same tests,

[  359s] FAIL: pcholesky_invert unscaled hilbert (  4,  4)[0,2]:
-2.55795384873636067e-13                        0
[  359s]  (-2.55795384873636067e-13 observed vs 0 expected) [533911]
[  359s] FAIL: mcholesky_invert unscaled hilbert (  4,  4)[0,2]:
-2.55795384873636067e-13                        0
[  359s]  (-2.55795384873636067e-13 observed vs 0 expected) [672592]
[  359s]


Is this expected? Is this just an expected "feature" of PPC64 and 64-bit
ARM?




Using an older compiler, on i586 the tests fail to converge in a
multifit_nlinear test,

[  304s] FAIL: test
[  304s] ==========
[  304s]
[  304s] trs = levenberg-marquardt
[  304s] solver = cholesky
[  304s] solver = qr
[  304s] solver = svd
[  304s] trs = levenberg-marquardt+accel
[  304s] solver = cholesky
[  304s] solver = qr
[  304s] solver = svd
[  304s] FAIL:
trust-region/levenberg-marquardt+accel/scale=more/solver=svd/fdfvv/box3d
did not converge, status=exceede
d max number of iterations [39959]
[  304s] FAIL:
trust-region/levenberg-marquardt+accel/scale=more/solver=svd/fdfvv/weighted/box3d
did not converge, statu
s=exceeded max number of iterations [39963]
[  304s] FAIL:
trust-region/levenberg-marquardt+accel/scale=more/solver=svd/fdfvv/box3d
did not converge, status=exceede
d max number of iterations [40457]
[  304s] FAIL:
trust-region/levenberg-marquardt+accel/scale=more/solver=svd/fdfvv/weighted/box3d
did not converge, statu
s=exceeded max number of iterations [40461]
[  304s] FAIL:
trust-region/levenberg-marquardt+accel/scale=more/solver=svd/fdfvv/box3d
did not converge, status=exceede
d max number of iterations [42066]
[  304s] FAIL:
trust-region/levenberg-marquardt+accel/scale=more/solver=svd/fdfvv/weighted/box3d
did not converge, status=exceeded max number of iterations [42070]
[  304s] FAIL:
trust-region/levenberg-marquardt+accel/scale=more/solver=svd/fdfvv/box3d
did not converge, status=exceeded max number of iterations [42564]
[  304s] FAIL:
trust-region/levenberg-marquardt+accel/scale=more/solver=svd/fdfvv/weighted/box3d
did not converge, status=exceeded max number of iterations [42568]
[  304s] trs = dogleg
[  304s] solver = cholesky
[  304s] solver = qr
[  304s] solver = svd
[  304s] trs = double-dogleg
[  304s] solver = cholesky
[  304s] solver = qr
[  304s] solver = svd
[  304s] trs = 2D-subspace
[  304s] solver = cholesky
[  304s] solver = qr
[  304s] solver = svd

but I'm assuming this is just old compiler bug.

- Adam



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