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grid_sampler_3d for MPS #159421

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@mlaves mlaves commented Jul 29, 2025 •
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Metal implementation of grid_sampler_3d, including backward pass.

Runtime benchmarks vs. CPU (M2 Max)

Batch size:  1, CPU time: 7.164317 ms, MPS time: 0.817350 ms, speedup: 8.77x
Batch size:  2, CPU time: 14.793888 ms, MPS time: 1.111496 ms, speedup: 13.31x
Batch size:  4, CPU time: 30.779025 ms, MPS time: 1.712583 ms, speedup: 17.97x
Batch size:  8, CPU time: 68.820854 ms, MPS time: 3.391506 ms, speedup: 20.29x
Batch size: 16, CPU time: 142.618127 ms, MPS time: 5.831585 ms, speedup: 24.46x

Output accuracy test vs. CPU

Click to expand 
Grid Sampler 3D Output Accuracy Test (MPS vs CPU)
input_shape           grid_shape         interp   padding   align_corners   max_diff      mean_diff     sum_diff
------------------------------------------------------------------------------------------------------------------------
(1, 3, 128, 128, 128) (1, 64, 64, 64, 3)   0        0         0   0.00000000   0.00000000   0.00000000
(1, 3, 128, 128, 128) (1, 64, 64, 64, 3)   0        0         1   0.00000000   0.00000000   0.00000000
(1, 3, 128, 128, 128) (1, 64, 64, 64, 3)   0        1         0   0.00000000   0.00000000   0.00000000
(1, 3, 128, 128, 128) (1, 64, 64, 64, 3)   0        1         1   0.00000000   0.00000000   0.00000000
(1, 3, 128, 128, 128) (1, 64, 64, 64, 3)   0        2         0   0.00000000   0.00000000   0.00000000
(1, 3, 128, 128, 128) (1, 64, 64, 64, 3)   0        2         1   0.00000000   0.00000000   0.00000000
(1, 3, 128, 128, 128) (1, 64, 64, 64, 3)   1        0         0   0.00000000   0.00000000   0.00000000
(1, 3, 128, 128, 128) (1, 64, 64, 64, 3)   1        0         1   0.00000000   0.00000000   0.00000000
(1, 3, 128, 128, 128) (1, 64, 64, 64, 3)   1        1         0   0.00000000   0.00000000   0.00000000
(1, 3, 128, 128, 128) (1, 64, 64, 64, 3)   1        1         1   0.00000000   0.00000000   0.00000000
(1, 3, 128, 128, 128) (1, 64, 64, 64, 3)   1        2         0   0.00000000   0.00000000   0.00000000
(1, 3, 128, 128, 128) (1, 64, 64, 64, 3)   1        2         1   0.00000000   0.00000000   0.00000000
(1, 3, 128, 128, 128) (1, 1, 1, 1, 3)      0        0         0   0.00000000   0.00000000   0.00000000
(1, 3, 128, 128, 128) (1, 1, 1, 1, 3)      0        0         1   0.00000000   0.00000000   0.00000000
(1, 3, 128, 128, 128) (1, 1, 1, 1, 3)      0        1         0   0.00000000   0.00000000   0.00000000
(1, 3, 128, 128, 128) (1, 1, 1, 1, 3)      0        1         1   0.00000000   0.00000000   0.00000000
(1, 3, 128, 128, 128) (1, 1, 1, 1, 3)      0        2         0   0.00000000   0.00000000   0.00000000
(1, 3, 128, 128, 128) (1, 1, 1, 1, 3)      0        2         1   0.00000000   0.00000000   0.00000000
(1, 3, 128, 128, 128) (1, 1, 1, 1, 3)      1        0         0   0.00000000   0.00000000   0.00000000
(1, 3, 128, 128, 128) (1, 1, 1, 1, 3)      1        0         1   0.00000000   0.00000000   0.00000000
(1, 3, 128, 128, 128) (1, 1, 1, 1, 3)      1        1         0   0.00000000   0.00000000   0.00000000
(1, 3, 128, 128, 128) (1, 1, 1, 1, 3)      1        1         1   0.00000000   0.00000000   0.00000000
(1, 3, 128, 128, 128) (1, 1, 1, 1, 3)      1        2         0   0.00000000   0.00000000   0.00000000
(1, 3, 128, 128, 128) (1, 1, 1, 1, 3)      1        2         1   0.00000000   0.00000000   0.00000000
(1, 3, 128, 128, 128) (1, 8, 8, 8, 3)      0        0         0   0.00000000   0.00000000   0.00000000
(1, 3, 128, 128, 128) (1, 8, 8, 8, 3)      0        0         1   0.00000000   0.00000000   0.00000000
(1, 3, 128, 128, 128) (1, 8, 8, 8, 3)      0        1         0   0.00000000   0.00000000   0.00000000
(1, 3, 128, 128, 128) (1, 8, 8, 8, 3)      0        1         1   0.00000000   0.00000000   0.00000000
(1, 3, 128, 128, 128) (1, 8, 8, 8, 3)      0        2         0   0.00000000   0.00000000   0.00000000
(1, 3, 128, 128, 128) (1, 8, 8, 8, 3)      0        2         1   0.00000000   0.00000000   0.00000000
(1, 3, 128, 128, 128) (1, 8, 8, 8, 3)      1        0         0   0.00000000   0.00000000   0.00000000
(1, 3, 128, 128, 128) (1, 8, 8, 8, 3)      1        0         1   0.00000000   0.00000000   0.00000000
(1, 3, 128, 128, 128) (1, 8, 8, 8, 3)      1        1         0   0.00000000   0.00000000   0.00000000
(1, 3, 128, 128, 128) (1, 8, 8, 8, 3)      1        1         1   0.00000000   0.00000000   0.00000000
(1, 3, 128, 128, 128) (1, 8, 8, 8, 3)      1        2         0   0.00000000   0.00000000   0.00000000
(1, 3, 128, 128, 128) (1, 8, 8, 8, 3)      1        2         1   0.00000000   0.00000000   0.00000000
(2, 1, 32, 32, 32)    (2, 16, 16, 16, 3)   0        0         0   0.00000000   0.00000000   0.00000000
(2, 1, 32, 32, 32)    (2, 16, 16, 16, 3)   0        0         1   0.00000000   0.00000000   0.00000000
(2, 1, 32, 32, 32)    (2, 16, 16, 16, 3)   0        1         0   0.00000000   0.00000000   0.00000000
(2, 1, 32, 32, 32)    (2, 16, 16, 16, 3)   0        1         1   0.00000000   0.00000000   0.00000000
(2, 1, 32, 32, 32)    (2, 16, 16, 16, 3)   0        2         0   0.00000000   0.00000000   0.00000000
(2, 1, 32, 32, 32)    (2, 16, 16, 16, 3)   0        2         1   0.00000000   0.00000000   0.00000000
(2, 1, 32, 32, 32)    (2, 16, 16, 16, 3)   1        0         0   0.00000000   0.00000000   0.00000000
(2, 1, 32, 32, 32)    (2, 16, 16, 16, 3)   1        0         1   0.00000000   0.00000000   0.00000000
(2, 1, 32, 32, 32)    (2, 16, 16, 16, 3)   1        1         0   0.00000000   0.00000000   0.00000000
(2, 1, 32, 32, 32)    (2, 16, 16, 16, 3)   1        1         1   0.00000000   0.00000000   0.00000000
(2, 1, 32, 32, 32)    (2, 16, 16, 16, 3)   1        2         0   0.00000000   0.00000000   0.00000000
(2, 1, 32, 32, 32)    (2, 16, 16, 16, 3)   1        2         1   0.00000000   0.00000000   0.00000000
(1, 1, 1, 1, 1)       (1, 64, 64, 64, 3)   0        0         0   0.00000000   0.00000000   0.00000000
(1, 1, 1, 1, 1)       (1, 64, 64, 64, 3)   0        0         1   0.00000000   0.00000000   0.00000000
(1, 1, 1, 1, 1)       (1, 64, 64, 64, 3)   0        1         0   0.00000000   0.00000000   0.00000000
(1, 1, 1, 1, 1)       (1, 64, 64, 64, 3)   0        1         1   0.00000000   0.00000000   0.00000000
(1, 1, 1, 1, 1)       (1, 64, 64, 64, 3)   0        2         0   0.00000000   0.00000000   0.00000000
(1, 1, 1, 1, 1)       (1, 64, 64, 64, 3)   0        2         1   0.00000000   0.00000000   0.00000000
(1, 1, 1, 1, 1)       (1, 64, 64, 64, 3)   1        0         0   0.00000000   0.00000000   0.00000000
(1, 1, 1, 1, 1)       (1, 64, 64, 64, 3)   1        0         1   0.00000000   0.00000000   0.00000000
(1, 1, 1, 1, 1)       (1, 64, 64, 64, 3)   1        1         0   0.00000000   0.00000000   0.00000000
(1, 1, 1, 1, 1)       (1, 64, 64, 64, 3)   1        1         1   0.00000000   0.00000000   0.00000000
(1, 1, 1, 1, 1)       (1, 64, 64, 64, 3)   1        2         0   0.00000000   0.00000000   0.00000000
(1, 1, 1, 1, 1)       (1, 64, 64, 64, 3)   1        2         1   0.00000000   0.00000000   0.00000000
(1, 1, 1, 1, 1)       (1, 1, 1, 1, 3)      0        0         0   0.00000000   0.00000000   0.00000000
(1, 1, 1, 1, 1)       (1, 1, 1, 1, 3)      0        0         1   0.00000000   0.00000000   0.00000000
(1, 1, 1, 1, 1)       (1, 1, 1, 1, 3)      0        1         0   0.00000000   0.00000000   0.00000000
(1, 1, 1, 1, 1)       (1, 1, 1, 1, 3)      0        1         1   0.00000000   0.00000000   0.00000000
(1, 1, 1, 1, 1)       (1, 1, 1, 1, 3)      0        2         0   0.00000000   0.00000000   0.00000000
(1, 1, 1, 1, 1)       (1, 1, 1, 1, 3)      0        2         1   0.00000000   0.00000000   0.00000000
(1, 1, 1, 1, 1)       (1, 1, 1, 1, 3)      1        0         0   0.00000000   0.00000000   0.00000000
(1, 1, 1, 1, 1)       (1, 1, 1, 1, 3)      1        0         1   0.00000000   0.00000000   0.00000000
(1, 1, 1, 1, 1)       (1, 1, 1, 1, 3)      1        1         0   0.00000000   0.00000000   0.00000000
(1, 1, 1, 1, 1)       (1, 1, 1, 1, 3)      1        1         1   0.00000000   0.00000000   0.00000000
(1, 1, 1, 1, 1)       (1, 1, 1, 1, 3)      1        2         0   0.00000000   0.00000000   0.00000000
(1, 1, 1, 1, 1)       (1, 1, 1, 1, 3)      1        2         1   0.00000000   0.00000000   0.00000000
(1, 1, 1, 1, 1)       (1, 8, 8, 8, 3)      0        0         0   0.00000000   0.00000000   0.00000000
(1, 1, 1, 1, 1)       (1, 8, 8, 8, 3)      0        0         1   0.00000000   0.00000000   0.00000000
(1, 1, 1, 1, 1)       (1, 8, 8, 8, 3)      0        1         0   0.00000000   0.00000000   0.00000000
(1, 1, 1, 1, 1)       (1, 8, 8, 8, 3)      0        1         1   0.00000000   0.00000000   0.00000000
(1, 1, 1, 1, 1)       (1, 8, 8, 8, 3)      0        2         0   0.00000000   0.00000000   0.00000000
(1, 1, 1, 1, 1)       (1, 8, 8, 8, 3)      0        2         1   0.00000000   0.00000000   0.00000000
(1, 1, 1, 1, 1)       (1, 8, 8, 8, 3)      1        0         0   0.00000000   0.00000000   0.00000000
(1, 1, 1, 1, 1)       (1, 8, 8, 8, 3)      1        0         1   0.00000000   0.00000000   0.00000000
(1, 1, 1, 1, 1)       (1, 8, 8, 8, 3)      1        1         0   0.00000000   0.00000000   0.00000000
(1, 1, 1, 1, 1)       (1, 8, 8, 8, 3)      1        1         1   0.00000000   0.00000000   0.00000000
(1, 1, 1, 1, 1)       (1, 8, 8, 8, 3)      1        2         0   0.00000000   0.00000000   0.00000000
(1, 1, 1, 1, 1)       (1, 8, 8, 8, 3)      1        2         1   0.00000000   0.00000000   0.00000000
(1, 4, 16, 16, 16)    (1, 64, 64, 64, 3)   0        0         0   0.00000000   0.00000000   0.00000000
(1, 4, 16, 16, 16)    (1, 64, 64, 64, 3)   0        0         1   0.00000000   0.00000000   0.00000000
(1, 4, 16, 16, 16)    (1, 64, 64, 64, 3)   0        1         0   0.00000000   0.00000000   0.00000000
(1, 4, 16, 16, 16)    (1, 64, 64, 64, 3)   0        1         1   0.00000000   0.00000000   0.00000000
(1, 4, 16, 16, 16)    (1, 64, 64, 64, 3)   0        2         0   0.00000000   0.00000000   0.00000000
(1, 4, 16, 16, 16)    (1, 64, 64, 64, 3)   0        2         1   0.00000000   0.00000000   0.00000000
(1, 4, 16, 16, 16)    (1, 64, 64, 64, 3)   1        0         0   0.00000000   0.00000000   0.00000000
(1, 4, 16, 16, 16)    (1, 64, 64, 64, 3)   1        0         1   0.00000000   0.00000000   0.00000000
(1, 4, 16, 16, 16)    (1, 64, 64, 64, 3)   1        1         0   0.00000000   0.00000000   0.00000000
(1, 4, 16, 16, 16)    (1, 64, 64, 64, 3)   1        1         1   0.00000000   0.00000000   0.00000000
(1, 4, 16, 16, 16)    (1, 64, 64, 64, 3)   1        2         0   0.00000000   0.00000000   0.00000000
(1, 4, 16, 16, 16)    (1, 64, 64, 64, 3)   1        2         1   0.00000000   0.00000000   0.00000000
(1, 4, 16, 16, 16)    (1, 1, 1, 1, 3)      0        0         0   0.00000000   0.00000000   0.00000000
(1, 4, 16, 16, 16)    (1, 1, 1, 1, 3)      0        0         1   0.00000000   0.00000000   0.00000000
(1, 4, 16, 16, 16)    (1, 1, 1, 1, 3)      0        1         0   0.00000000   0.00000000   0.00000000
(1, 4, 16, 16, 16)    (1, 1, 1, 1, 3)      0        1         1   0.00000000   0.00000000   0.00000000
(1, 4, 16, 16, 16)    (1, 1, 1, 1, 3)      0        2         0   0.00000000   0.00000000   0.00000000
(1, 4, 16, 16, 16)    (1, 1, 1, 1, 3)      0        2         1   0.00000000   0.00000000   0.00000000
(1, 4, 16, 16, 16)    (1, 1, 1, 1, 3)      1        0         0   0.00000000   0.00000000   0.00000000
(1, 4, 16, 16, 16)    (1, 1, 1, 1, 3)      1        0         1   0.00000000   0.00000000   0.00000000
(1, 4, 16, 16, 16)    (1, 1, 1, 1, 3)      1        1         0   0.00000000   0.00000000   0.00000000
(1, 4, 16, 16, 16)    (1, 1, 1, 1, 3)      1        1         1   0.00000000   0.00000000   0.00000000
(1, 4, 16, 16, 16)    (1, 1, 1, 1, 3)      1        2         0   0.00000000   0.00000000   0.00000000
(1, 4, 16, 16, 16)    (1, 1, 1, 1, 3)      1        2         1   0.00000000   0.00000000   0.00000000
(1, 4, 16, 16, 16)    (1, 8, 8, 8, 3)      0        0         0   0.00000000   0.00000000   0.00000000
(1, 4, 16, 16, 16)    (1, 8, 8, 8, 3)      0        0         1   0.00000000   0.00000000   0.00000000
(1, 4, 16, 16, 16)    (1, 8, 8, 8, 3)      0        1         0   0.00000000   0.00000000   0.00000000
(1, 4, 16, 16, 16)    (1, 8, 8, 8, 3)      0        1         1   0.00000000   0.00000000   0.00000000
(1, 4, 16, 16, 16)    (1, 8, 8, 8, 3)      0        2         0   0.00000000   0.00000000   0.00000000
(1, 4, 16, 16, 16)    (1, 8, 8, 8, 3)      0        2         1   0.00000000   0.00000000   0.00000000
(1, 4, 16, 16, 16)    (1, 8, 8, 8, 3)      1        0         0   0.00000000   0.00000000   0.00000000
(1, 4, 16, 16, 16)    (1, 8, 8, 8, 3)      1        0         1   0.00000000   0.00000000   0.00000000
(1, 4, 16, 16, 16)    (1, 8, 8, 8, 3)      1        1         0   0.00000000   0.00000000   0.00000000
(1, 4, 16, 16, 16)    (1, 8, 8, 8, 3)      1        1         1   0.00000000   0.00000000   0.00000000
(1, 4, 16, 16, 16)    (1, 8, 8, 8, 3)      1        2         0   0.00000000   0.00000000   0.00000000
(1, 4, 16, 16, 16)    (1, 8, 8, 8, 3)      1        2         1   0.00000000   0.00000000   0.00000000
------------------------------------------------------------------------------------------------------------------------
Summary:
Total tests: 120
Failed tests: 0
Max difference overall: 0.00000000
Mean difference overall: 0.00000000
Sum difference overall: 0.00000000

Edge Cases Test
input_shape           grid_shape         interp   padding   align_corners   max_diff      mean_diff     sum_diff
------------------------------------------------------------------------------------------------------------------------
(1, 1, 2, 2, 2)       (1, 1, 1, 1, 3)      0        0         0   0.00000000   0.00000000   0.00000000
(1, 1, 2, 2, 2)       (1, 1, 1, 1, 3)      0        0         1   0.00000000   0.00000000   0.00000000
(1, 1, 2, 2, 2)       (1, 1, 1, 1, 3)      0        1         0   0.00000000   0.00000000   0.00000000
(1, 1, 2, 2, 2)       (1, 1, 1, 1, 3)      0        1         1   0.00000000   0.00000000   0.00000000
(1, 1, 2, 2, 2)       (1, 1, 1, 1, 3)      1        0         0   0.00000000   0.00000000   0.00000000
(1, 1, 2, 2, 2)       (1, 1, 1, 1, 3)      1        0         1   0.00000000   0.00000000   0.00000000
(1, 1, 2, 2, 2)       (1, 1, 1, 1, 3)      1        1         0   0.00000000   0.00000000   0.00000000
(1, 1, 2, 2, 2)       (1, 1, 1, 1, 3)      1        1         1   0.00000000   0.00000000   0.00000000
(1, 1, 1, 10, 10)     (1, 1, 5, 5, 3)      0        0         0   0.00000000   0.00000000   0.00000000
(1, 1, 1, 10, 10)     (1, 1, 5, 5, 3)      0        0         1   0.00000000   0.00000000   0.00000000
(1, 1, 1, 10, 10)     (1, 1, 5, 5, 3)      0        1         0   0.00000000   0.00000000   0.00000000
(1, 1, 1, 10, 10)     (1, 1, 5, 5, 3)      0        1         1   0.00000000   0.00000000   0.00000000
(1, 1, 1, 10, 10)     (1, 1, 5, 5, 3)      1        0         0   0.00000000   0.00000000   0.00000000
(1, 1, 1, 10, 10)     (1, 1, 5, 5, 3)      1        0         1   0.00000000   0.00000000   0.00000000
(1, 1, 1, 10, 10)     (1, 1, 5, 5, 3)      1        1         0   0.00000000   0.00000000   0.00000000
(1, 1, 1, 10, 10)     (1, 1, 5, 5, 3)      1        1         1   0.00000000   0.00000000   0.00000000
(1, 16, 8, 8, 8)      (1, 4, 4, 4, 3)      0        0         0   0.00000000   0.00000000   0.00000000
(1, 16, 8, 8, 8)      (1, 4, 4, 4, 3)      0        0         1   0.00000000   0.00000000   0.00000000
(1, 16, 8, 8, 8)      (1, 4, 4, 4, 3)      0        1         0   0.00000000   0.00000000   0.00000000
(1, 16, 8, 8, 8)      (1, 4, 4, 4, 3)      0        1         1   0.00000000   0.00000000   0.00000000
(1, 16, 8, 8, 8)      (1, 4, 4, 4, 3)      1        0         0   0.00000000   0.00000000   0.00000000
(1, 16, 8, 8, 8)      (1, 4, 4, 4, 3)      1        0         1   0.00000000   0.00000000   0.00000000
(1, 16, 8, 8, 8)      (1, 4, 4, 4, 3)      1        1         0   0.00000000   0.00000000   0.00000000
(1, 16, 8, 8, 8)      (1, 4, 4, 4, 3)      1        1         1   0.00000000   0.00000000   0.00000000

All tests passed!

Gradient accuracy test vs. CPU

Click to expand 
grad wrt. input
input_shape           grid_shape         interp   padding   align_corners   diff
(1, 3, 128, 128, 128) (1, 64, 64, 64, 3)   0        0         0    6.324674117763607e-10
(1, 3, 128, 128, 128) (1, 64, 64, 64, 3)   0        0         1    7.693850001544433e-10
(1, 3, 128, 128, 128) (1, 64, 64, 64, 3)   0        1         0    6.303384481043395e-10
(1, 3, 128, 128, 128) (1, 64, 64, 64, 3)   0        1         1    7.976201921167103e-10
(1, 3, 128, 128, 128) (1, 64, 64, 64, 3)   1        0         0                      0.0
(1, 3, 128, 128, 128) (1, 64, 64, 64, 3)   1        0         1                      0.0
(1, 3, 128, 128, 128) (1, 64, 64, 64, 3)   1        1         0                      0.0
(1, 3, 128, 128, 128) (1, 64, 64, 64, 3)   1        1         1                      0.0
(1, 3, 128, 128, 128) (1, 1, 1, 1, 3)      0        0         0                      0.0
(1, 3, 128, 128, 128) (1, 1, 1, 1, 3)      0        0         1                      0.0
(1, 3, 128, 128, 128) (1, 1, 1, 1, 3)      0        1         0                      0.0
(1, 3, 128, 128, 128) (1, 1, 1, 1, 3)      0        1         1                      0.0
(1, 3, 128, 128, 128) (1, 1, 1, 1, 3)      1        0         0                      0.0
(1, 3, 128, 128, 128) (1, 1, 1, 1, 3)      1        0         1                      0.0
(1, 3, 128, 128, 128) (1, 1, 1, 1, 3)      1        1         0                      0.0
(1, 3, 128, 128, 128) (1, 1, 1, 1, 3)      1        1         1                      0.0
(1, 1, 1, 1, 1)       (1, 64, 64, 64, 3)   0        0         0   1.1622905731201172e-06
(1, 1, 1, 1, 1)       (1, 64, 64, 64, 3)   0        0         1                      0.0
(1, 1, 1, 1, 1)       (1, 64, 64, 64, 3)   0        1         0                      0.0
(1, 1, 1, 1, 1)       (1, 64, 64, 64, 3)   0        1         1                      0.0
(1, 1, 1, 1, 1)       (1, 64, 64, 64, 3)   1        0         0                      0.0
(1, 1, 1, 1, 1)       (1, 64, 64, 64, 3)   1        0         1                      0.0
(1, 1, 1, 1, 1)       (1, 64, 64, 64, 3)   1        1         0                      0.0
(1, 1, 1, 1, 1)       (1, 64, 64, 64, 3)   1        1         1                      0.0
(1, 1, 1, 1, 1)       (1, 1, 1, 1, 3)      0        0         0                      0.0
(1, 1, 1, 1, 1)       (1, 1, 1, 1, 3)      0        0         1                      0.0
(1, 1, 1, 1, 1)       (1, 1, 1, 1, 3)      0        1         0                      0.0
(1, 1, 1, 1, 1)       (1, 1, 1, 1, 3)      0        1         1                      0.0
(1, 1, 1, 1, 1)       (1, 1, 1, 1, 3)      1        0         0                      0.0
(1, 1, 1, 1, 1)       (1, 1, 1, 1, 3)      1        0         1                      0.0
(1, 1, 1, 1, 1)       (1, 1, 1, 1, 3)      1        1         0                      0.0
(1, 1, 1, 1, 1)       (1, 1, 1, 1, 3)      1        1         1                      0.0
max diff for input gradients:  1.1622905731201172e-06
grad wrt. grid
input_shape           grid_shape         interp   padding   align_corners   diff
(1, 3, 128, 128, 128) (1, 64, 64, 64, 3)   0        0         0                      0.0
(1, 3, 128, 128, 128) (1, 64, 64, 64, 3)   0        0         1                      0.0
(1, 3, 128, 128, 128) (1, 64, 64, 64, 3)   0        1         0                      0.0
(1, 3, 128, 128, 128) (1, 64, 64, 64, 3)   0        1         1                      0.0
(1, 3, 128, 128, 128) (1, 64, 64, 64, 3)   1        0         0                      0.0
(1, 3, 128, 128, 128) (1, 64, 64, 64, 3)   1        0         1                      0.0
(1, 3, 128, 128, 128) (1, 64, 64, 64, 3)   1        1         0                      0.0
(1, 3, 128, 128, 128) (1, 64, 64, 64, 3)   1        1         1                      0.0
(1, 3, 128, 128, 128) (1, 1, 1, 1, 3)      0        0         0                      0.0
(1, 3, 128, 128, 128) (1, 1, 1, 1, 3)      0        0         1                      0.0
(1, 3, 128, 128, 128) (1, 1, 1, 1, 3)      0        1         0                      0.0
(1, 3, 128, 128, 128) (1, 1, 1, 1, 3)      0        1         1                      0.0
(1, 3, 128, 128, 128) (1, 1, 1, 1, 3)      1        0         0                      0.0
(1, 3, 128, 128, 128) (1, 1, 1, 1, 3)      1        0         1                      0.0
(1, 3, 128, 128, 128) (1, 1, 1, 1, 3)      1        1         0                      0.0
(1, 3, 128, 128, 128) (1, 1, 1, 1, 3)      1        1         1                      0.0
(1, 1, 1, 1, 1)       (1, 64, 64, 64, 3)   0        0         0                      0.0
(1, 1, 1, 1, 1)       (1, 64, 64, 64, 3)   0        0         1                      0.0
(1, 1, 1, 1, 1)       (1, 64, 64, 64, 3)   0        1         0                      0.0
(1, 1, 1, 1, 1)       (1, 64, 64, 64, 3)   0        1         1                      0.0
(1, 1, 1, 1, 1)       (1, 64, 64, 64, 3)   1        0         0                      0.0
(1, 1, 1, 1, 1)       (1, 64, 64, 64, 3)   1        0         1                      0.0
(1, 1, 1, 1, 1)       (1, 64, 64, 64, 3)   1        1         0                      0.0
(1, 1, 1, 1, 1)       (1, 64, 64, 64, 3)   1        1         1                      0.0
(1, 1, 1, 1, 1)       (1, 1, 1, 1, 3)      0        0         0                      0.0
(1, 1, 1, 1, 1)       (1, 1, 1, 1, 3)      0        0         1                      0.0
(1, 1, 1, 1, 1)       (1, 1, 1, 1, 3)      0        1         0                      0.0
(1, 1, 1, 1, 1)       (1, 1, 1, 1, 3)      0        1         1                      0.0
(1, 1, 1, 1, 1)       (1, 1, 1, 1, 3)      1        0         0                      0.0
(1, 1, 1, 1, 1)       (1, 1, 1, 1, 3)      1        0         1                      0.0
(1, 1, 1, 1, 1)       (1, 1, 1, 1, 3)      1        1         0                      0.0
(1, 1, 1, 1, 1)       (1, 1, 1, 1, 3)      1        1         1                      0.0
max diff for grid gradients:  0.0

@mlaves mlaves requested review from kulinseth and malfet as code owners July 29, 2025 21:24
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pytorch-bot bot commented Jul 29, 2025 •
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@pytorch-bot pytorch-bot bot added the release notes: mps Release notes category label Jul 29, 2025
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Attention! native_functions.yaml was changed

If you are adding a new function or defaulted argument to native_functions.yaml, you cannot use it from pre-existing Python frontend code until our FC window passes (two weeks). Split your PR into two PRs, one which adds the new C++ functionality, and one that makes use of it from Python, and land them two weeks apart. See https://github.com/pytorch/pytorch/wiki/PyTorch's-Python-Frontend-Backward-and-Forward-Compatibility-Policy#forwards-compatibility-fc for more info.

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Skylion007
Skylion007 reviewed Aug 3, 2025
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Skylion007
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@mlaves mlaves requested a review from Skylion007 August 3, 2025 20:58
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Skylion007 approved these changes Aug 5, 2025
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@kulinseth kulinseth kulinseth approved these changes

@Skylion007 Skylion007 Skylion007 approved these changes

@malfet malfet Awaiting requested review from malfet malfet is a code owner

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