#2581: Vectors test fails on AMD Ryzen 9 4900HS

Reporter: Zach Etienne Status: new Milestone: Version: development version Type: bug Priority: major Component: EinsteinToolkit thorn

Vectors, after correctly finding that CCTK_REAL_VEC_SIZE is in fact 4 on this CPU, with flags:

``` flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm constant_tsc rep_good nopl nonstop_tsc cpuid extd_apicid aperfmperf pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_llc mwaitx cpb cat_l3 cdp_l3 hw_pstate ssbd mba ibrs ibpb stibp vmmcall fsgsbase bmi1 avx2 smep bmi2 cqm rdt_a rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local clzero irperf xsaveerptr rdpru wbnoinvd arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic v_vmsave_vmload vgif v_spec_ctrl umip rdpid overflow_recov succor smca sme sev sev_es ```

segfaults on the vec_loadu_maybe[1] test in Vectors.

``` INFO (Vectors): Testing vectorisation... [errors may result in segfaults] INFO (VecINFO (Vectors): Testing vectorisation... [errors may result in segfaults] INFO (Vectors): Test vec_set1... INFO (Vectors): Test vec_set... INFO (Vectors): Test vec_elt[0]... INFO (Vectors): Test vec_elt[1]... INFO (Vectors): Test vec_elt[2]... INFO (Vectors): Test vec_elt[3]... INFO (Vectors): Test vec_load... INFO (Vectors): Test vec_loadu[0]... INFO (Vectors): Test vec_loadu[1]... INFO (Vectors): Test vec_loadu[2]... INFO (Vectors): Test vec_loadu[3]... INFO (Vectors): Test vec_loadu_maybe[0]... INFO (Vectors): Test vec_loadu_maybe[1]... Rank 0 with PID 218092 received signal 11 ```

After commenting out this test, the test suite runs with no problems.

-- Ticket URL: https://bitbucket.org/einsteintoolkit/tickets/issues/2581/vectors-test-fails...