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testing_sgetri_gpu --range 100:100:1 --niter 1000 -c
I get bad accuracy occasionally.
Here is a list with the number of occurrences in the left column and the reported error in the right column. The bad error values are in bold.
I sometimes get bad accuracy at other matrix sizes.
I am running on an iMac 27" 2012 (OS X 10.8.4) with its NVIDIA GeForce GTX 675MX and an Intel Core i5 at 3.2 GHz with 16GB of RAM.
I tried the getrf_m.tar patch from the topic "magma-1.4.0-beta2: numerical problems [dz]getrf" but it did not help (and seems like it is for an older version of magma).