[FFmpeg-devel] [PATCH 1/2] checkasm/lpc: test compute_autocorr

[Michael Niedermayer]

On Tue, Dec 12, 2023 at 11:02:39PM +0200, Rémi Denis-Courmont wrote:
> ---
>  tests/checkasm/lpc.c | 42 ++++++++++++++++++++++++++++++++++++++++--
>  1 file changed, 40 insertions(+), 2 deletions(-)

Often this works, but not always

ffmpeg/tests/checkasm/checkasm --test=lpc
checkasm: using random seed 3321308425
SSE2:
 - lpc.apply_welch_window_even [OK]
 - lpc.apply_welch_window_odd  [OK]
 - lpc.compute_autocorr_10     [OK]
 - lpc.compute_autocorr_30     [OK]
 - lpc.compute_autocorr_32     [OK]
AVX2:
 - lpc.apply_welch_window_even [OK]
 - lpc.apply_welch_window_odd  [OK]
checkasm: all 7 tests passed
$ ffmpeg/tests/checkasm/checkasm --test=lpc
checkasm: using random seed 3962111
SSE2:
 - lpc.apply_welch_window_even [OK]
 - lpc.apply_welch_window_odd  [OK]
 - lpc.compute_autocorr_10     [OK]
 - lpc.compute_autocorr_30     [OK]
 - lpc.compute_autocorr_32     [OK]
AVX2:
 - lpc.apply_welch_window_even [OK]
 - lpc.apply_welch_window_odd  [OK]
checkasm: all 7 tests passed
$ ffmpeg/tests/checkasm/checkasm --test=lpc
checkasm: using random seed 2098118744
SSE2:
 - lpc.apply_welch_window_even [OK]
 - lpc.apply_welch_window_odd  [OK]
 - lpc.compute_autocorr_10     [OK]
 - lpc.compute_autocorr_30     [OK]
 - lpc.compute_autocorr_32     [OK]
AVX2:
 - lpc.apply_welch_window_even [OK]
 - lpc.apply_welch_window_odd  [OK]
checkasm: all 7 tests passed
$ ffmpeg/tests/checkasm/checkasm --test=lpc
checkasm: using random seed 2281870905
SSE2:
 - lpc.apply_welch_window_even [OK]
 - lpc.apply_welch_window_odd  [OK]
 - lpc.compute_autocorr_10     [OK]
 - lpc.compute_autocorr_30     [OK]
 - lpc.compute_autocorr_32     [OK]
AVX2:
 - lpc.apply_welch_window_even [OK]
 - lpc.apply_welch_window_odd  [OK]
checkasm: all 7 tests passed
$ ffmpeg/tests/checkasm/checkasm --test=lpc
checkasm: using random seed 258427554
SSE2:
 - lpc.apply_welch_window_even [OK]
 - lpc.apply_welch_window_odd  [OK]
 - lpc.compute_autocorr_10     [OK]
 - lpc.compute_autocorr_30     [OK]
 - lpc.compute_autocorr_32     [OK]
AVX2:
 - lpc.apply_welch_window_even [OK]
 - lpc.apply_welch_window_odd  [OK]
checkasm: all 7 tests passed
$ ffmpeg/tests/checkasm/checkasm --test=lpc
checkasm: using random seed 966320013
SSE2:
 - lpc.apply_welch_window_even [OK]
 - lpc.apply_welch_window_odd  [OK]
0:  976.228035341704 -  976.998462662304 = -0.7704273206
   autocorr_10_sse2 (lpc.c:81)
 - lpc.compute_autocorr_10     [FAILED]
0:  966.946397975397 -  967.716825295995 = -0.770427320599
   autocorr_30_sse2 (lpc.c:81)
 - lpc.compute_autocorr_30     [FAILED]
0:  968.085384693526 -  968.855812014127 = -0.770427320601
   autocorr_32_sse2 (lpc.c:81)
 - lpc.compute_autocorr_32     [FAILED]
AVX2:
 - lpc.apply_welch_window_even [OK]
 - lpc.apply_welch_window_odd  [OK]
checkasm: 3 of 7 tests have failed
$ ffmpeg/tests/checkasm/checkasm --test=lpc
checkasm: using random seed 470640728
SSE2:
 - lpc.apply_welch_window_even [OK]
 - lpc.apply_welch_window_odd  [OK]
 - lpc.compute_autocorr_10     [OK]
 - lpc.compute_autocorr_30     [OK]
 - lpc.compute_autocorr_32     [OK]
AVX2:
 - lpc.apply_welch_window_even [OK]
 - lpc.apply_welch_window_odd  [OK]
checkasm: all 7 tests passed


[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Opposition brings concord. Out of discord comes the fairest harmony.
-- Heraclitus
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