src/grid/gpu/Benchmarks/reversed

    cd $BASILISK/src/test/
    
    CFLAGS='-DSINGLE_PRECISION -fopenmp' make reversed.ctst
    OMP_NUM_THREADS=8 ./reversed/reversed 10 2> /dev/null | grep steps
    
    OpenGL renderer string: Intel Core i7
    
    # Multigrid, 963 steps, 1.39894 CPU, 0.1763 real, 5.59e+06 points.step/s, 12 var
    # Multigrid, 1880 steps, 3.07119 CPU, 0.3833 real, 2.01e+07 points.step/s, 12 var
    # Multigrid, 3720 steps, 8.9288 CPU, 1.117 real, 5.46e+07 points.step/s, 12 var
    # Multigrid, 7395 steps, 39.8344 CPU, 4.977 real, 9.74e+07 points.step/s, 12 var
    # Multigrid, 14735 steps, 262.725 CPU, 32.84 real, 1.18e+08 points.step/s, 12 var
    # Multigrid, 29410 steps, 2577.33 CPU, 322.2 real, 9.57e+07 points.step/s, 12 var
    
    make reversed.gpu.tst
    
    OpenGL renderer string: Mesa Intel(R) UHD Graphics (TGL GT1) (0x9a60)
    Video memory: 3072MB
    
    ./reversed.gpu/reversed.gpu 10 2> /dev/null | grep steps
    
    # Multigrid (GPU), 963 steps, 0.178066 CPU, 0.3168 real, 3.11e+06 points.step/s, 13 var
    # Multigrid (GPU), 1880 steps, 0.308087 CPU, 0.6931 real, 1.11e+07 points.step/s, 13 var
    # Multigrid (GPU), 3720 steps, 0.547329 CPU, 1.784 real, 3.42e+07 points.step/s, 13 var
    # Multigrid (GPU), 7395 steps, 1.93673 CPU, 8.344 real, 5.81e+07 points.step/s, 13 var
    # Multigrid (GPU), 14735 steps, 4.68833 CPU, 45.21 real, 8.54e+07 points.step/s, 13 var
    # Multigrid (GPU), 29410 steps, 44.115 CPU, 407.7 real, 7.56e+07 points.step/s, 13 var
    
    OpenGL renderer string: NVIDIA GeForce RTX 3050 Ti Laptop GPU/PCIe/SSE2
    Dedicated video memory: 4096 MB
    
    __NV_PRIME_RENDER_OFFLOAD=1 __GLX_VENDOR_LIBRARY_NAME=nvidia  ./reversed.gpu/reversed.gpu 10 2> /dev/null | grep -a steps
    
    # Multigrid (GPU), 963 steps, 0.215285 CPU, 0.2153 real, 4.58e+06 points.step/s, 13 var
    # Multigrid (GPU), 1884 steps, 0.493655 CPU, 0.4937 real, 1.56e+07 points.step/s, 13 var
    # Multigrid (GPU), 3723 steps, 0.756077 CPU, 0.7561 real, 8.07e+07 points.step/s, 13 var
    # Multigrid (GPU), 7398 steps, 1.94184 CPU, 1.942 real, 2.5e+08 points.step/s, 13 var
    # Multigrid (GPU), 14738 steps, 8.55232 CPU, 8.552 real, 4.52e+08 points.step/s, 13 var
    # Multigrid (GPU), 29413 steps, 52.7038 CPU, 52.7 real, 5.85e+08 points.step/s, 13 var
    
    OpenGL renderer string: Quadro RTX 6000/PCIe/SSE2
    Dedicated video memory: 24576 MB
    
    ./reversed.gpu/reversed.gpu 10 2> /dev/null | grep -a steps
    
    # Multigrid (GPU), 963 steps, 0.151572 CPU, 0.1516 real, 6.51e+06 points.step/s, 13 var
    # Multigrid (GPU), 1880 steps, 0.252398 CPU, 0.2524 real, 3.05e+07 points.step/s, 13 var
    # Multigrid (GPU), 3720 steps, 0.474128 CPU, 0.4741 real, 1.29e+08 points.step/s, 13 var
    # Multigrid (GPU), 7395 steps, 1.00502 CPU, 1.005 real, 4.82e+08 points.step/s, 13 var
    # Multigrid (GPU), 14735 steps, 3.44287 CPU, 3.443 real, 1.12e+09 points.step/s, 13 var
    # Multigrid (GPU), 29411 steps, 16.8635 CPU, 16.86 real, 1.83e+09 points.step/s, 13 var
    
    OpenGL renderer string: NVIDIA GeForce RTX 4090/PCIe/SSE2
    Dedicated video memory: 24564 MB
    
    # Multigrid (GPU), 963 steps, 0.171552 CPU, 0.1716 real, 5.75e+06 points.step/s, 13 var
    # Multigrid (GPU), 1884 steps, 0.311232 CPU, 0.3112 real, 2.48e+07 points.step/s, 13 var
    # Multigrid (GPU), 3723 steps, 0.604112 CPU, 0.6041 real, 1.01e+08 points.step/s, 13 var
    # Multigrid (GPU), 7398 steps, 1.23882 CPU, 1.239 real, 3.91e+08 points.step/s, 13 var
    # Multigrid (GPU), 14738 steps, 2.97884 CPU, 2.979 real, 1.3e+09 points.step/s, 13 var
    # Multigrid (GPU), 29413 steps, 8.70529 CPU, 8.705 real, 3.54e+09 points.step/s, 13 var
    
    OpenGL renderer string: NVIDIA GeForce RTX 4090 D/PCIe/SSE2 (stokes.lmm.jussieu.fr)
    Dedicated video memory: 24564 MB
    
    # Multigrid (GPU), 963 steps, 0.325755 CPU, 0.3258 real, 3.03e+06 points.step/s, 13 var
    # Multigrid (GPU), 1884 steps, 0.649636 CPU, 0.6497 real, 1.19e+07 points.step/s, 13 var
    # Multigrid (GPU), 3723 steps, 1.27677 CPU, 1.277 real, 4.78e+07 points.step/s, 13 var
    # Multigrid (GPU), 7398 steps, 2.61681 CPU, 2.617 real, 1.85e+08 points.step/s, 13 var
    # Multigrid (GPU), 14738 steps, 6.30688 CPU, 6.307 real, 6.13e+08 points.step/s, 13 var
    # Multigrid (GPU), 29413 steps, 13.9273 CPU, 13.93 real, 2.21e+09 points.step/s, 13 var