Example error：

[dongjuncode]

bin/dsscfg
Begin testing DSSCFG on the CPU (double precision)
CPU iteration 0 F: -0.349732
CPU iteration 0 F: 0.0192875
CPU iteration 0 F: -0.496264
CPU iteration 100 F: -0.888434
CPU iteration 200 F: -1.00093
CPU iteration 300 F: -1.01115
CPU iteration 400 F: -1.01126
CPU iteration 500 F: -1.0113
Timing: 34.2264 ms / iteration
Begin testing DSSCFG with CUDA (double precision)
CUDA iteration 0 F: -0.349732
CUDA iteration 0 F: -0.199307
CUDA iteration 0 F: -0.496264
lbfgsb failure: 700, /home/dongjun/lbfgsb-gpu-master/culbfgsb/./cauchy.cu, 594

[dongjuncode]

I don't know what the problem is。

[raymondyfei]

I cannot reproduce the issue (Windows 10, RTX 3080Ti, CUDA 12.0, driver version 528.33). Could you try to debug and find out on which function call it fails? Thanks!