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Re: [Help-gsl] GSL 2.3 test failures on OBS


From: Patrick Alken
Subject: Re: [Help-gsl] GSL 2.3 test failures on OBS
Date: Sat, 11 Feb 2017 11:11:01 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.7.0

Also for the multifit_nlinear box3d failure, I am aware of this problem
- it also fails on an old macOS system I have. I currently don't have a
fix for it, but it seems that recent compilers don't have an issue

Patrick

On 01/27/2017 07:17 AM, Adam Majer wrote:
> 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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