Performance enhancement of mesh

[HernandoR]

regarding structures.meshes._compute_packed(),
i'm experencing 40s per call on version 0.7.4, when making experiments on Rome.
is there any updates on the optimizes? or any hot spot is discovered?

         2019213 function calls (1997173 primitive calls) in 532.589 seconds

   Ordered by: cumulative time

   ncalls  tottime  percall  cumtime  percall filename:lineno(function)
        1    0.000    0.000  532.589  532.589 /home/lz/Codes/4D_Labeling/pysfm/Road_Mesh/./run_local.py:24(main)
        1    0.095    0.095  532.490  532.490 /home/lz/Codes/4D_Labeling/pysfm/Road_Mesh/scripts/train.py:58(train)
   808/50    0.001    0.000  522.390   10.448 /home/lz/miniforge3/envs/pysfm/lib/python3.9/site-packages/torch/nn/modules/module.py:1494(_call_impl)
        2    0.000    0.000  521.951  260.975 /home/lz/Codes/4D_Labeling/pysfm/Road_Mesh/utils/renderer.py:85(forward)
        2    0.000    0.000  521.950  260.975 /home/lz/Codes/4D_Labeling/pysfm/Road_Mesh/utils/renderer.py:64(forward)
        2    0.000    0.000  521.935  260.967 /home/lz/Codes/4D_Labeling/pysfm/Road_Mesh/utils/renderer.py:52(forward)
       13  521.926   40.148  521.930   40.148 /home/lz/miniforge3/envs/pysfm/lib/python3.9/site-packages/pytorch3d/structures/meshes.py:946(_compute_packed)
        2    0.000    0.000  521.928  260.964 /home/lz/miniforge3/envs/pysfm/lib/python3.9/site-packages/pytorch3d/structures/meshes.py:1530(sample_textures)
        6    0.000    0.000  521.927   86.988 /home/lz/miniforge3/envs/pysfm/lib/python3.9/site-packages/pytorch3d/structures/meshes.py:599(faces_packed)
        1    0.000    0.000    4.928    4.928 /home/lz/Codes/4D_Labeling/pysfm/Road_Mesh/models/voxel.py:307(__init__)
        1    0.094    0.094    4.927    4.927 /home/lz/Codes/4D_Labeling/pysfm/Road_Mesh/models/voxel.py:209(__init__)
        1    3.858    3.858    4.675    4.675 /home/lz/Codes/4D_Labeling/pysfm/Road_Mesh/utils/geometry.py:105(cutHiveMeshWithPoses)
       28    0.000    0.000    2.553    0.091 /home/lz/miniforge3/envs/pysfm/lib/python3.9/selectors.py:403(select)
       28    2.553    0.091    2.553    0.091 {method 'poll' of 'select.poll' objects}
       24    0.000    0.000    2.552    0.106 /home/lz/miniforge3/envs/pysfm/lib/python3.9/multiprocessing/connection.py:917(wait)
        3    0.000    0.000    2.528    0.843 /home/lz/miniforge3/envs/pysfm/lib/python3.9/site-packages/torch/utils/data/dataloader.py:628(__next__)
        3    0.000    0.000    2.527    0.842 /home/lz/miniforge3/envs/pysfm/lib/python3.9/site-packages/torch/utils/data/dataloader.py:1298(_next_data)
        4    0.000    0.000    2.489    0.622 /home/lz/miniforge3/envs/pysfm/lib/python3.9/site-packages/torch/utils/data/dataloader.py:1265(_get_data)
        4    0.000    0.000    2.489    0.622 /home/lz/miniforge3/envs/pysfm/lib/python3.9/site-packages/torch/utils/data/dataloader.py:1119(_try_get_data)
        4    0.000    0.000    2.489    0.622 /home/lz/miniforge3/envs/pysfm/lib/python3.9/multiprocessing/queues.py:98(get)
        4    0.000    0.000    2.480    0.620 /home/lz/miniforge3/envs/pysfm/lib/python3.9/multiprocessing/connection.py:253(poll)
        4    0.000    0.000    2.480    0.620 /home/lz/miniforge3/envs/pysfm/lib/python3.9/multiprocessing/connection.py:423(_poll)
        3    0.784    0.261    0.784    0.261 /home/lz/miniforge3/envs/pysfm/lib/python3.9/site-packages/pymeshlab/__init__.py:40(filter_function)
        2    0.000    0.000    0.622    0.311 /home/lz/miniforge3/envs/pysfm/lib/python3.9/site-packages/torch/utils/data/dataloader.py:428(__iter__)
        2    0.000    0.000    0.622    0.311 /home/lz/miniforge3/envs/pysfm/lib/python3.9/site-packages/torch/utils/data/dataloader.py:383(_get_iterator)
        2    0.001    0.001    0.622    0.311 /home/lz/miniforge3/envs/pysfm/lib/python3.9/site-packages/torch/utils/data/dataloader.py:993(__init__)
       20    0.000    0.000    0.609    0.030 /home/lz/miniforge3/envs/pysfm/lib/python3.9/multiprocessing/process.py:110(start)
       20    0.000    0.000    0.608    0.030 /home/lz/miniforge3/envs/pysfm/lib/python3.9/multiprocessing/context.py:222(_Popen)
       20    0.000    0.000    0.608    0.030 /home/lz/miniforge3/envs/pysfm/lib/python3.9/multiprocessing/context.py:274(_Popen)
       20    0.000    0.000    0.607    0.030 /home/lz/miniforge3/envs/pysfm/lib/python3.9/multiprocessing/popen_fork.py:15(__init__)
       20    0.001    0.000    0.607    0.030 /home/lz/miniforge3/envs/pysfm/lib/python3.9/multiprocessing/popen_fork.py:62(_launch)
       20    0.581    0.029    0.581    0.029 {built-in method posix.fork}
      113    0.540    0.005    0.553    0.005 {method 'to' of 'torch._C._TensorBase' objects}
        1    0.000    0.000    0.502    0.502 /home/lz/Codes/4D_Labeling/pysfm/Road_Mesh/utils/wandb_loggers.py:5(__init__)
        1    0.000    0.000    0.502    0.502 /home/lz/miniforge3/envs/pysfm/lib/python3.9/site-packages/wandb/sdk/wandb_init.py:997(init)
        1    0.000    0.000    0.470    0.470 /home/lz/Codes/4D_Labeling/pysfm/Road_Mesh/utils/visualizer.py:111(__init__)
        3    0.000    0.000    0.470    0.157 /home/lz/miniforge3/envs/pysfm/lib/python3.9/site-packages/pytorch3d/renderer/utils.py:97(__init__)
        1    0.000    0.000    0.470    0.470 /home/lz/miniforge3/envs/pysfm/lib/python3.9/site-packages/pytorch3d/renderer/cameras.py:1286(__init__)
        3    0.000    0.000    0.469    0.156 /home/lz/miniforge3/envs/pysfm/lib/python3.9/site-packages/pytorch3d/renderer/utils.py:310(convert_to_tensors_and_broadcast)
        3    0.000    0.000    0.469    0.156 /home/lz/miniforge3/envs/pysfm/lib/python3.9/site-packages/pytorch3d/renderer/utils.py:336(<listcomp>)
       15    0.000    0.000    0.469    0.031 /home/lz/miniforge3/envs/pysfm/lib/python3.9/site-packages/pytorch3d/renderer/utils.py:280(format_tensor)
        1    0.003    0.003    0.442    0.442 /home/lz/Codes/4D_Labeling/pysfm/Road_Mesh/models/voxel.py:235(init_vertices_z)
       44    0.000    0.000    0.422    0.010 /home/lz/Codes/4D_Labeling/pysfm/Road_Mesh/models/voxel.py:58(forward)
       88    0.000    0.000    0.419    0.005 /home/lz/miniforge3/envs/pysfm/lib/python3.9/site-packages/torch/nn/modules/container.py:215(forward)
      352    0.000    0.000    0.417    0.001 /home/lz/miniforge3/envs/pysfm/lib/python3.9/site-packages/torch/nn/modules/linear.py:113(forward)
      352    0.416    0.001    0.416    0.001 {built-in method torch._C._nn.linear}
    518/9    0.001    0.000    0.344    0.038 <frozen importlib._bootstrap>:1002(_find_and_load)
    513/9    0.001    0.000    0.344    0.038 <frozen importlib._bootstrap>:967(_find_and_load_unlocked)
    494/9    0.001    0.000    0.343    0.038 <frozen importlib._bootstrap>:659(_load_unlocked)
    426/8    0.001    0.000    0.343    0.043 <frozen importlib._bootstrap_external>:844(exec_module)
   710/10    0.000    0.000    0.343    0.034 <frozen importlib._bootstrap>:220(_call_with_frames_removed)
    477/8    0.003    0.000    0.342    0.043 {built-in method builtins.exec}
        1    0.000    0.000    0.336    0.336 /home/lz/Codes/4D_Labeling/pysfm/Road_Mesh/datasets/Mi_vehicle.py:1(<module>)
        1    0.000    0.000    0.326    0.326 /home/lz/Codes/4D_Labeling/pysfm/Road_Mesh/utils/plane_fit.py:1(<module>)
        1    0.000    0.000    0.325    0.325 /home/lz/miniforge3/envs/pysfm/lib/python3.9/site-packages/skspatial/objects/__init__.py:1(<module>)
        1    0.000    0.000    0.299    0.299 /home/lz/miniforge3/envs/pysfm/lib/python3.9/site-packages/wandb/sdk/wandb_init.py:137(setup)
        2    0.000    0.000    0.288    0.144 /home/lz/miniforge3/envs/pysfm/lib/python3.9/site-packages/wandb/sdk/wandb_setup.py:334(setup)
        2    0.000    0.000    0.288    0.144 /home/lz/miniforge3/envs/pysfm/lib/python3.9/site-packages/wandb/sdk/wandb_setup.py:321(_setup)
        2    0.000    0.000    0.288    0.144 /home/lz/miniforge3/envs/pysfm/lib/python3.9/site-packages/wandb/sdk/wandb_setup.py:303(__init__)
        1    0.000    0.000    0.288    0.288 /home/lz/miniforge3/envs/pysfm/lib/python3.9/site-packages/wandb/sdk/wandb_setup.py:87(__init__)
        1    0.000    0.000    0.259    0.259 /home/lz/miniforge3/envs/pysfm/lib/python3.9/site-packages/skspatial/objects/circle.py:1(<module>)
   165/88    0.000    0.000    0.245    0.003 {built-in method builtins.__import__}
  884/594    0.001    0.000    0.238    0.000 <frozen importlib._bootstrap>:1033(_handle_fromlist)
        1    0.000    0.000    0.221    0.221 /home/lz/miniforge3/envs/pysfm/lib/python3.9/site-packages/wandb/sdk/wandb_setup.py:250(_setup)
        1    0.000    0.000    0.215    0.215 /home/lz/miniforge3/envs/pysfm/lib/python3.9/site-packages/wandb/sdk/lib/service_connection.py:32(connect_to_service)
        1    0.000    0.000    0.215    0.215 /home/lz/miniforge3/envs/pysfm/lib/python3.9/site-packages/wandb/sdk/lib/service_connection.py:65(_start_and_connect_service)
        1    0.000    0.000    0.215    0.215 /home/lz/miniforge3/envs/pysfm/lib/python3.9/site-packages/matplotlib/pyplot.py:4(<module>)
        1    0.000    0.000    0.212    0.212 /home/lz/miniforge3/envs/pysfm/lib/python3.9/site-packages/wandb/sdk/service/service.py:231(start)
        1    0.000    0.000    0.212    0.212 /home/lz/miniforge3/envs/pysfm/lib/python3.9/site-packages/wandb/sdk/service/service.py:127(_launch_server)
        1    0.000    0.000    0.203    0.203 /home/lz/miniforge3/envs/pysfm/lib/python3.9/site-packages/wandb/sdk/wandb_init.py:614(init)
        1    0.000    0.000    0.201    0.201 /home/lz/miniforge3/envs/pysfm/lib/python3.9/site-packages/wandb/sdk/service/service.py:64(_wait_for_ports)
        1    0.200    0.200    0.200    0.200 {built-in method time.sleep}
 1023/927    0.008    0.000    0.186    0.000 {built-in method builtins.__build_class__}

[HernandoR]

To my understanding this was assigned to @nikhilaravi ?