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extended dixon mapping - #155

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extended dixon mapping#155
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tanja2

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@robert-graf robert-graf commented Sep 22, 2026

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Cherry-picked content from tanja@50c8b4d without the whitespace-only reformatting noise:

  • Add h2d/tse2d1-4/tser2d regex to series-description → format mapping; drop the broad ".t2w?_tse." match.
  • Fall back to SequenceName when SeriesDescription is empty.

robert-graf and others added 2 commits September 22, 2026 11:10
@robert-graf @TanjaLe @claude
extended dixon mapping
c8ccbce 
Cherry-picked content from tanja@50c8b4d without the whitespace-only
reformatting noise:
- Add h2d/tse2d1-4/tser2d regex to series-description → format mapping;
  drop the broad ".*t2w?_tse.*" match.
- Fall back to SequenceName when SeriesDescription is empty.

Co-Authored-By: Tanja Lerchl <tanja.lerchl@tum.de>
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
@robert-graf @github-actions
style fixes by ruff
2a51ed6
@github-actions

github-actions Bot commented Sep 22, 2026 •
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Benchmark comparison

Speed (wall time per call)

baseline ba9608b vs head ba9608b · python 3.11.16 · 5 repeats + 1 warmup

Showing the 5 most-changed measurements per case; the rest are collapsed. Rows with a baseline below 3 ms are tagged (noise) — runner jitter on those swamps any real change.

ct_3d — shape (73, 47, 73)

Measurement baseline ms (median ±½·range) head ms (median ±½·range) Δ % p
nii_filter_connected_components 4.24 ±0.04 7.17 ±1.43 +69.0% 0.057
nii_rescale_seg 3.11 ±0.02 3.27 ±0.05 +5.3% 0.000
poi_calc_centroids_nocrop 4.41 ±0.03 4.59 ±0.04 +4.1% 0.000
nii_dilate_msk 118.67 ±0.23 120.40 ±0.42 +1.5% 0.000
nii_rescale 39.65 ±0.12 40.20 ±0.07 +1.4% 0.001
… 31 more measurements
Measurement baseline ms (median ±½·range) head ms (median ±½·range) Δ % p
nii_fill_holes 4.69 ±0.03 4.75 ±0.09 +1.4% 0.141
nii_load_img 11.80 ±0.16 11.71 ±0.08 -0.8% 0.091
nii_save 11.61 ±0.08 11.70 ±0.18 +0.8% 0.769
nii_resample_from_to 41.59 ±0.16 41.84 ±0.08 +0.6% 0.019
nii_erode_msk 6.09 ±0.05 6.06 ±0.04 -0.5% 0.993
poi_calc_poi_from_subreg_vert 11.63 ±0.15 11.65 ±0.12 +0.2% 0.183
metric_voxels 250463.00 ±0.00 250463.00 ±0.00 +0.0% —
metric_labels 3.00 ±0.00 3.00 ±0.00 +0.0% —
metric_foreground_pct 14.51 ±0.00 14.51 ±0.00 +0.0% —
poi_rescale 0.18 ±0.01 0.22 ±0.01 +27.8% (noise) 0.000
poi_reorient 0.33 ±0.01 0.41 ±0.05 +25.5% (noise) 0.062
poi_resample_from_to 0.71 ±0.09 0.54 ±0.03 -23.8% (noise) 0.017
nii_pad_to 0.59 ±0.02 0.68 ±0.03 +16.0% (noise) 0.000
poi_to_global 0.17 ±0.01 0.19 ±0.02 +15.8% (noise) 0.022
nii_reorient 0.74 ±0.01 0.83 ±0.03 +13.3% (noise) 0.001
nii_apply_crop 0.55 ±0.05 0.63 ±0.08 +13.3% (noise) 0.224
nii_set_dtype 0.45 ±0.05 0.50 ±0.03 +10.7% (noise) 0.129
nii_get_array 0.04 ±0.00 0.04 ±0.00 +9.8% (noise) 0.035
nii_extract_label 0.36 ±0.03 0.40 ±0.05 +9.6% (noise) 0.124
poi_calc_centroids 2.43 ±0.01 2.60 ±0.05 +7.1% (noise) 0.001
nii_load_seg 2.77 ±0.09 2.59 ±0.03 -6.8% (noise) 0.010
poi_local_to_global_arr 0.25 ±0.01 0.27 ±0.02 +6.8% (noise) 0.325
poi_save 0.42 ±0.03 0.40 ±0.05 -6.2% (noise) 0.240
nii_get_connected_components 2.04 ±0.02 2.16 ±0.05 +6.0% (noise) 0.002
poi_load 0.94 ±0.02 0.89 ±0.01 -4.5% (noise) 0.009
nii_map_labels 0.82 ±0.01 0.86 ±0.04 +4.3% (noise) 0.020
nii_unique 0.61 ±0.02 0.62 ±0.03 +3.0% (noise) 0.371
poi_map_labels 0.15 ±0.01 0.15 ±0.02 -1.6% (noise) 0.657
nii_center_of_masses 1.83 ±0.02 1.85 ±0.02 +1.4% (noise) 0.012
nii_volumes 1.97 ±0.06 1.95 ±0.04 -1.1% (noise) 0.398
nii_compute_crop 0.33 ±0.03 0.33 ±0.03 -1.0% (noise) 0.724

ct_2d — shape (73, 47, 1)

Measurement baseline ms (median ±½·range) head ms (median ±½·range) Δ % p
nii_rescale 5.41 ±0.09 5.62 ±0.18 +3.8% 0.072
nii_resample_from_to 7.45 ±0.15 7.25 ±0.04 -2.7% 0.074
nii_dilate_msk 13.82 ±0.10 13.87 ±0.07 +0.3% 0.416
metric_voxels 3431.00 ±0.00 3431.00 ±0.00 +0.0% —
metric_labels 3.00 ±0.00 3.00 ±0.00 +0.0% —
… 30 more measurements
Measurement baseline ms (median ±½·range) head ms (median ±½·range) Δ % p
metric_foreground_pct 37.60 ±0.00 37.60 ±0.00 +0.0% —
nii_get_array 0.02 ±0.00 0.02 ±0.00 +20.3% (noise) 0.011
nii_unique 0.15 ±0.01 0.13 ±0.02 -9.6% (noise) 0.337
poi_map_labels 0.20 ±0.01 0.21 ±0.01 +6.5% (noise) 0.014
poi_reorient 0.49 ±0.02 0.46 ±0.01 -6.3% (noise) 0.012
poi_rescale 0.26 ±0.01 0.28 ±0.03 +6.1% (noise) 0.098
nii_reorient 0.82 ±0.04 0.87 ±0.04 +6.0% (noise) 0.073
nii_set_dtype 0.41 ±0.02 0.43 ±0.02 +5.7% (noise) 0.008
nii_get_connected_components 0.65 ±0.03 0.68 ±0.02 +5.1% (noise) 0.173
poi_local_to_global_arr 0.29 ±0.01 0.30 ±0.01 +4.6% (noise) 0.036
nii_load_seg 1.61 ±0.02 1.68 ±0.04 +4.5% (noise) 0.006
nii_center_of_masses 0.24 ±0.02 0.23 ±0.01 -4.4% (noise) 0.877
nii_save 1.36 ±0.04 1.41 ±0.02 +4.0% (noise) 0.005
poi_to_global 0.24 ±0.02 0.25 ±0.01 +3.8% (noise) 0.313
nii_apply_crop 0.73 ±0.03 0.70 ±0.02 -3.7% (noise) 0.083
poi_resample_from_to 0.70 ±0.02 0.73 ±0.02 +3.6% (noise) 0.140
poi_calc_centroids 0.94 ±0.03 0.98 ±0.02 +3.6% (noise) 0.088
nii_load_img 1.50 ±0.08 1.55 ±0.03 +3.5% (noise) 0.648
poi_save 0.50 ±0.02 0.52 ±0.01 +3.4% (noise) 0.319
nii_filter_connected_components 0.83 ±0.06 0.85 ±0.02 +2.8% (noise) 0.292
nii_fill_holes 0.84 ±0.01 0.86 ±0.02 +2.5% (noise) 0.062
nii_compute_crop 0.17 ±0.01 0.16 ±0.01 -2.4% (noise) 0.241
nii_map_labels 0.52 ±0.02 0.53 ±0.02 +1.6% (noise) 0.321
nii_rescale_seg 0.82 ±0.03 0.80 ±0.04 -1.6% (noise) 0.699
poi_calc_centroids_nocrop 1.14 ±0.02 1.13 ±0.04 -1.4% (noise) 0.160
poi_load 1.00 ±0.01 1.02 ±0.01 +1.2% (noise) 0.269
nii_volumes 0.30 ±0.01 0.30 ±0.01 +0.6% (noise) 0.620
nii_pad_to 0.60 ±0.02 0.60 ±0.02 +0.5% (noise) 0.610
nii_erode_msk 0.98 ±0.04 0.98 ±0.05 +0.2% (noise) 0.511
nii_extract_label 0.44 ±0.01 0.44 ±0.01 -0.1% (noise) 0.892

mri_3d — shape (68, 52, 67)

Measurement baseline ms (median ±½·range) head ms (median ±½·range) Δ % p
nii_filter_connected_components 4.66 ±0.20 4.52 ±0.04 -3.0% 0.123
nii_rescale 38.12 ±0.30 37.28 ±0.12 -2.2% 0.003
poi_calc_poi_from_subreg_vert 11.10 ±0.11 10.90 ±0.09 -1.9% 0.014
poi_calc_centroids_nocrop 9.17 ±0.19 9.02 ±0.08 -1.7% 0.116
nii_load_img 9.63 ±0.06 9.52 ±0.06 -1.1% 0.048
… 31 more measurements
Measurement baseline ms (median ±½·range) head ms (median ±½·range) Δ % p
nii_save 9.55 ±0.10 9.47 ±0.16 -0.8% 0.912
nii_rescale_seg 3.13 ±0.02 3.12 ±0.02 -0.4% 0.191
nii_resample_from_to 39.12 ±0.39 39.04 ±0.15 -0.2% 0.444
nii_fill_holes 5.54 ±0.03 5.53 ±0.06 -0.2% 0.509
nii_dilate_msk 154.58 ±0.56 154.83 ±0.37 +0.2% 0.962
nii_erode_msk 7.58 ±0.05 7.58 ±0.06 -0.0% 0.679
metric_voxels 236912.00 ±0.00 236912.00 ±0.00 +0.0% —
metric_labels 8.00 ±0.00 8.00 ±0.00 +0.0% —
metric_foreground_pct 18.21 ±0.00 18.21 ±0.00 +0.0% —
nii_set_dtype 0.52 ±0.01 0.56 ±0.02 +7.0% (noise) 0.001
poi_rescale 0.29 ±0.01 0.28 ±0.01 -4.8% (noise) 0.010
nii_get_array 0.04 ±0.00 0.05 ±0.00 +4.6% (noise) 0.671
nii_apply_crop 0.80 ±0.02 0.76 ±0.02 -4.0% (noise) 0.015
poi_local_to_global_arr 0.29 ±0.01 0.30 ±0.01 +3.2% (noise) 0.383
poi_map_labels 0.24 ±0.01 0.25 ±0.01 +3.0% (noise) 0.058
nii_reorient 0.89 ±0.02 0.92 ±0.01 +2.6% (noise) 0.094
nii_map_labels 1.04 ±0.01 1.02 ±0.02 -2.0% (noise) 0.004
nii_extract_label 0.50 ±0.02 0.49 ±0.01 -2.0% (noise) 0.112
nii_pad_to 0.80 ±0.01 0.81 ±0.14 +1.7% (noise) 0.349
nii_get_connected_components 2.09 ±0.02 2.06 ±0.02 -1.2% (noise) 0.293
nii_unique 0.62 ±0.01 0.62 ±0.01 -1.1% (noise) 0.075
poi_save 0.59 ±0.03 0.58 ±0.06 -1.0% (noise) 0.439
poi_reorient 0.49 ±0.02 0.49 ±0.01 -0.9% (noise) 0.187
nii_volumes 2.05 ±0.02 2.07 ±0.03 +0.7% (noise) 0.582
poi_calc_centroids 2.84 ±0.04 2.83 ±0.03 -0.7% (noise) 0.433
nii_center_of_masses 2.10 ±0.01 2.08 ±0.01 -0.6% (noise) 0.059
nii_compute_crop 0.35 ±0.02 0.36 ±0.01 +0.4% (noise) 0.964
nii_load_seg 2.87 ±0.04 2.88 ±0.07 +0.3% (noise) 0.897
poi_resample_from_to 0.79 ±0.02 0.79 ±0.02 +0.3% (noise) 0.327
poi_to_global 0.29 ±0.02 0.29 ±0.01 +0.2% (noise) 0.827
poi_load 2.14 ±0.02 2.13 ±0.03 -0.2% (noise) 0.193

mri_2d — shape (68, 52, 1)

Measurement baseline ms (median ±½·range) head ms (median ±½·range) Δ % p
nii_resample_from_to 7.50 ±0.16 7.13 ±0.16 -5.0% 0.050
nii_rescale 5.69 ±0.15 5.51 ±0.22 -3.2% 0.585
nii_dilate_msk 18.21 ±0.07 18.31 ±0.12 +0.6% 0.410
metric_voxels 3536.00 ±0.00 3536.00 ±0.00 +0.0% —
metric_labels 7.00 ±0.00 7.00 ±0.00 +0.0% —
… 30 more measurements
Measurement baseline ms (median ±½·range) head ms (median ±½·range) Δ % p
metric_foreground_pct 50.17 ±0.00 50.17 ±0.00 +0.0% —
nii_get_array 0.02 ±0.00 0.02 ±0.00 -12.2% (noise) 0.199
nii_map_labels 0.55 ±0.01 0.49 ±0.01 -9.5% (noise) 0.000
nii_unique 0.15 ±0.01 0.14 ±0.01 -7.5% (noise) 0.048
nii_pad_to 0.63 ±0.01 0.58 ±0.03 -7.2% (noise) 0.004
nii_load_seg 1.75 ±0.03 1.64 ±0.08 -6.5% (noise) 0.014
nii_load_img 1.53 ±0.03 1.44 ±0.02 -5.6% (noise) 0.000
nii_compute_crop 0.17 ±0.00 0.18 ±0.02 +5.6% (noise) 0.094
nii_erode_msk 1.24 ±0.05 1.18 ±0.03 -5.3% (noise) 0.031
nii_extract_label 0.46 ±0.01 0.43 ±0.02 -5.0% (noise) 0.030
nii_save 1.47 ±0.04 1.40 ±0.04 -4.9% (noise) 0.073
poi_calc_centroids 1.19 ±0.03 1.14 ±0.03 -4.5% (noise) 0.005
nii_apply_crop 0.76 ±0.01 0.73 ±0.03 -4.2% (noise) 0.026
poi_to_global 0.29 ±0.01 0.28 ±0.01 -3.9% (noise) 0.219
poi_calc_centroids_nocrop 1.40 ±0.02 1.35 ±0.02 -3.8% (noise) 0.005
poi_resample_from_to 0.79 ±0.01 0.77 ±0.01 -3.7% (noise) 0.009
poi_reorient 0.51 ±0.02 0.49 ±0.01 -3.6% (noise) 0.125
nii_set_dtype 0.45 ±0.02 0.43 ±0.02 -3.3% (noise) 0.358
nii_filter_connected_components 0.92 ±0.02 0.90 ±0.01 -2.8% (noise) 0.032
nii_rescale_seg 0.83 ±0.04 0.81 ±0.02 -2.5% (noise) 0.190
nii_volumes 0.48 ±0.01 0.47 ±0.02 -2.5% (noise) 0.336
poi_load 1.91 ±0.03 1.88 ±0.03 -1.7% (noise) 0.107
poi_map_labels 0.25 ±0.01 0.26 ±0.01 +1.6% (noise) 0.241
poi_rescale 0.30 ±0.01 0.30 ±0.01 +1.5% (noise) 0.967
nii_reorient 0.86 ±0.03 0.85 ±0.02 -1.4% (noise) 0.300
poi_save 0.57 ±0.02 0.58 ±0.02 +1.3% (noise) 0.161
nii_center_of_masses 0.41 ±0.02 0.42 ±0.04 +1.3% (noise) 0.634
nii_get_connected_components 0.68 ±0.01 0.68 ±0.03 +0.2% (noise) 0.206
poi_local_to_global_arr 0.29 ±0.01 0.29 ±0.13 -0.1% (noise) 0.378
nii_fill_holes 1.06 ±0.01 1.06 ±0.04 -0.0% (noise) 0.489

Gate: a measurement fails when the baseline is ≥ 1 ms, the median grows by ≥ 50%, and Welch's t-test gives p < 0.05. metric_* rows are context only.

Memory (peak RSS growth per call)

baseline ba9608b vs head ba9608b · python 3.11.16 · 5 repeats + 1 warmup · sampler proc-status, isolation fork · measurement floor ≈ 0.90 MiB

Showing the 5 most-changed measurements per case; the rest are collapsed. Rows with a baseline below 3 MiB are tagged (noise) — runner jitter on those swamps any real change.

ct_3d — shape (73, 47, 73)

Measurement baseline MiB (median ±½·range) head MiB (median ±½·range) Δ % p
nii_load_img 3.56 ±0.00 3.53 ±0.00 -1.0% —
nii_set_dtype 5.24 ±0.00 5.27 ±0.00 +0.4% —
poi_resample_from_to 5.28 ±0.00 5.25 ±0.00 -0.4% —
nii_extract_label 5.37 ±0.00 5.39 ±0.00 +0.4% —
nii_fill_holes 6.28 ±0.00 6.31 ±0.00 +0.4% —
… 31 more measurements
Measurement baseline MiB (median ±½·range) head MiB (median ±½·range) Δ % p
nii_map_labels 5.49 ±0.00 5.52 ±0.00 +0.4% —
nii_apply_crop 5.87 ±0.00 5.89 ±0.00 +0.4% —
nii_reorient 5.91 ±0.00 5.88 ±0.00 -0.4% —
poi_calc_centroids 6.05 ±0.00 6.08 ±0.00 +0.4% —
nii_rescale 6.17 ±0.00 6.15 ±0.00 -0.4% —
nii_resample_from_to 6.30 ±0.00 6.27 ±0.00 -0.4% —
nii_get_connected_components 6.62 ±0.00 6.64 ±0.00 +0.4% —
nii_filter_connected_components 6.87 ±0.00 6.89 ±0.00 +0.3% —
poi_calc_poi_from_subreg_vert 7.11 ±0.00 7.14 ±0.00 +0.3% —
nii_rescale_seg 5.95 ±0.00 5.96 ±0.00 +0.3% —
nii_pad_to 5.43 ±0.00 5.44 ±0.00 +0.2% —
poi_calc_centroids_nocrop 5.93 ±0.00 5.94 ±0.00 +0.2% —
nii_load_seg 6.01 ±0.00 6.00 ±0.00 -0.2% —
nii_dilate_msk 5.93 ±0.00 5.92 ±0.00 -0.1% —
nii_save 3.71 ±0.00 3.71 ±0.00 +0.0% —
nii_volumes 3.52 ±0.00 3.52 ±0.00 +0.0% —
nii_center_of_masses 3.27 ±0.00 3.27 ±0.00 +0.0% —
nii_erode_msk 5.94 ±0.00 5.94 ±0.00 +0.0% —
poi_reorient 3.83 ±0.00 3.83 ±0.00 +0.0% —
poi_to_global 3.08 ±0.00 3.08 ±0.00 +0.0% —
metric_voxels 250463.00 ±0.00 250463.00 ±0.00 +0.0% —
metric_labels 3.00 ±0.00 3.00 ±0.00 +0.0% —
metric_foreground_pct 14.51 ±0.00 14.51 ±0.00 +0.0% —
nii_get_array 1.65 ±0.00 1.65 ±0.00 +0.0% (noise) —
nii_compute_crop 2.90 ±0.00 2.90 ±0.00 +0.0% (noise) —
nii_unique 2.96 ±0.00 2.96 ±0.00 +0.0% (noise) —
poi_rescale 2.61 ±0.00 2.61 ±0.00 +0.0% (noise) —
poi_local_to_global_arr 2.96 ±0.00 2.96 ±0.00 +0.0% (noise) —
poi_save 1.40 ±0.00 1.40 ±0.00 +0.0% (noise) —
poi_map_labels 1.77 ±0.00 1.77 ±0.00 +0.0% (noise) —
poi_load 1.61 ±0.00 1.61 ±0.00 +0.0% (noise) —

ct_2d — shape (73, 47, 1)

Measurement baseline MiB (median ±½·range) head MiB (median ±½·range) Δ % p
nii_load_img 3.50 ±0.00 3.46 ±0.00 -1.0% —
nii_set_dtype 5.18 ±0.00 5.20 ±0.00 +0.5% —
poi_resample_from_to 5.21 ±0.00 5.19 ±0.00 -0.4% —
nii_extract_label 5.30 ±0.00 5.33 ±0.00 +0.4% —
nii_fill_holes 6.22 ±0.00 6.25 ±0.00 +0.4% —
… 30 more measurements
Measurement baseline MiB (median ±½·range) head MiB (median ±½·range) Δ % p
nii_map_labels 5.43 ±0.00 5.45 ±0.00 +0.4% —
nii_apply_crop 5.80 ±0.00 5.83 ±0.00 +0.4% —
nii_reorient 5.84 ±0.00 5.82 ±0.00 -0.4% —
poi_calc_centroids 5.99 ±0.00 6.02 ±0.00 +0.4% —
nii_rescale 6.11 ±0.00 6.09 ±0.00 -0.4% —
nii_resample_from_to 6.23 ±0.00 6.21 ±0.00 -0.4% —
nii_get_connected_components 6.55 ±0.00 6.58 ±0.00 +0.4% —
nii_filter_connected_components 6.80 ±0.00 6.83 ±0.00 +0.3% —
nii_rescale_seg 5.88 ±0.00 5.90 ±0.00 +0.3% —
nii_pad_to 5.36 ±0.00 5.38 ±0.00 +0.2% —
poi_calc_centroids_nocrop 5.93 ±0.00 5.94 ±0.00 +0.2% —
nii_load_seg 5.95 ±0.00 5.93 ±0.00 -0.2% —
nii_dilate_msk 5.87 ±0.00 5.86 ±0.00 -0.1% —
nii_save 3.65 ±0.00 3.65 ±0.00 +0.0% —
nii_volumes 3.46 ±0.00 3.46 ±0.00 +0.0% —
nii_center_of_masses 3.21 ±0.00 3.21 ±0.00 +0.0% —
nii_erode_msk 5.88 ±0.00 5.88 ±0.00 +0.0% —
poi_reorient 3.77 ±0.00 3.77 ±0.00 +0.0% —
poi_to_global 3.02 ±0.00 3.02 ±0.00 +0.0% —
metric_voxels 3431.00 ±0.00 3431.00 ±0.00 +0.0% —
metric_labels 3.00 ±0.00 3.00 ±0.00 +0.0% —
metric_foreground_pct 37.60 ±0.00 37.60 ±0.00 +0.0% —
nii_get_array 1.59 ±0.00 1.59 ±0.00 +0.0% (noise) —
nii_compute_crop 2.84 ±0.00 2.84 ±0.00 +0.0% (noise) —
nii_unique 2.90 ±0.00 2.90 ±0.00 +0.0% (noise) —
poi_rescale 2.54 ±0.00 2.54 ±0.00 +0.0% (noise) —
poi_local_to_global_arr 2.89 ±0.00 2.89 ±0.00 +0.0% (noise) —
poi_save 1.34 ±0.00 1.34 ±0.00 +0.0% (noise) —
poi_map_labels 1.71 ±0.00 1.71 ±0.00 +0.0% (noise) —
poi_load 1.55 ±0.00 1.55 ±0.00 +0.0% (noise) —

mri_3d — shape (68, 52, 67)

Measurement baseline MiB (median ±½·range) head MiB (median ±½·range) Δ % p
nii_load_img 3.56 ±0.00 3.53 ±0.00 -1.0% —
poi_resample_from_to 5.21 ±0.00 5.19 ±0.00 -0.4% —
nii_set_dtype 5.24 ±0.00 5.27 ±0.00 +0.4% —
nii_extract_label 5.30 ±0.00 5.33 ±0.00 +0.4% —
nii_fill_holes 6.22 ±0.00 6.25 ±0.00 +0.4% —
… 31 more measurements
Measurement baseline MiB (median ±½·range) head MiB (median ±½·range) Δ % p
nii_map_labels 5.43 ±0.00 5.45 ±0.00 +0.4% —
nii_apply_crop 5.80 ±0.00 5.83 ±0.00 +0.4% —
nii_reorient 5.84 ±0.00 5.82 ±0.00 -0.4% —
poi_calc_centroids 5.99 ±0.00 6.02 ±0.00 +0.4% —
nii_rescale 6.11 ±0.00 6.09 ±0.00 -0.4% —
nii_resample_from_to 6.23 ±0.00 6.21 ±0.00 -0.4% —
nii_get_connected_components 6.55 ±0.00 6.58 ±0.00 +0.4% —
nii_filter_connected_components 6.80 ±0.00 6.83 ±0.00 +0.3% —
poi_calc_poi_from_subreg_vert 7.11 ±0.00 7.14 ±0.00 +0.3% —
nii_rescale_seg 5.88 ±0.00 5.90 ±0.00 +0.3% —
nii_pad_to 5.36 ±0.00 5.38 ±0.00 +0.2% —
poi_calc_centroids_nocrop 5.86 ±0.00 5.88 ±0.00 +0.2% —
nii_load_seg 5.95 ±0.00 5.93 ±0.00 -0.2% —
nii_dilate_msk 5.87 ±0.00 5.86 ±0.00 -0.1% —
nii_save 3.65 ±0.00 3.65 ±0.00 +0.0% —
nii_volumes 3.46 ±0.00 3.46 ±0.00 +0.0% —
nii_center_of_masses 3.21 ±0.00 3.21 ±0.00 +0.0% —
nii_erode_msk 5.88 ±0.00 5.88 ±0.00 +0.0% —
poi_reorient 3.77 ±0.00 3.77 ±0.00 +0.0% —
poi_to_global 3.02 ±0.00 3.02 ±0.00 +0.0% —
metric_voxels 236912.00 ±0.00 236912.00 ±0.00 +0.0% —
metric_labels 8.00 ±0.00 8.00 ±0.00 +0.0% —
metric_foreground_pct 18.21 ±0.00 18.21 ±0.00 +0.0% —
nii_get_array 1.59 ±0.00 1.59 ±0.00 +0.0% (noise) —
nii_compute_crop 2.84 ±0.00 2.84 ±0.00 +0.0% (noise) —
nii_unique 2.90 ±0.00 2.90 ±0.00 +0.0% (noise) —
poi_rescale 2.54 ±0.00 2.54 ±0.00 +0.0% (noise) —
poi_local_to_global_arr 2.89 ±0.00 2.89 ±0.00 +0.0% (noise) —
poi_save 1.40 ±0.00 1.40 ±0.00 +0.0% (noise) —
poi_map_labels 1.71 ±0.00 1.71 ±0.00 +0.0% (noise) —
poi_load 1.55 ±0.00 1.55 ±0.00 +0.0% (noise) —

mri_2d — shape (68, 52, 1)

Measurement baseline MiB (median ±½·range) head MiB (median ±½·range) Δ % p
nii_load_img 3.56 ±0.00 3.53 ±0.00 -1.0% —
poi_resample_from_to 5.21 ±0.00 5.19 ±0.00 -0.4% —
nii_set_dtype 5.24 ±0.00 5.27 ±0.00 +0.4% —
nii_extract_label 5.30 ±0.00 5.33 ±0.00 +0.4% —
nii_fill_holes 6.22 ±0.00 6.25 ±0.00 +0.4% —
… 30 more measurements
Measurement baseline MiB (median ±½·range) head MiB (median ±½·range) Δ % p
nii_map_labels 5.43 ±0.00 5.45 ±0.00 +0.4% —
nii_apply_crop 5.80 ±0.00 5.83 ±0.00 +0.4% —
nii_reorient 5.84 ±0.00 5.82 ±0.00 -0.4% —
poi_calc_centroids 5.99 ±0.00 6.02 ±0.00 +0.4% —
nii_rescale 6.11 ±0.00 6.09 ±0.00 -0.4% —
nii_resample_from_to 6.23 ±0.00 6.21 ±0.00 -0.4% —
nii_get_connected_components 6.55 ±0.00 6.58 ±0.00 +0.4% —
nii_filter_connected_components 6.80 ±0.00 6.83 ±0.00 +0.3% —
nii_rescale_seg 5.88 ±0.00 5.90 ±0.00 +0.3% —
nii_pad_to 5.36 ±0.00 5.38 ±0.00 +0.2% —
poi_calc_centroids_nocrop 5.93 ±0.00 5.94 ±0.00 +0.2% —
nii_load_seg 5.95 ±0.00 5.93 ±0.00 -0.2% —
nii_dilate_msk 5.87 ±0.00 5.86 ±0.00 -0.1% —
nii_save 3.65 ±0.00 3.65 ±0.00 +0.0% —
nii_volumes 3.46 ±0.00 3.46 ±0.00 +0.0% —
nii_center_of_masses 3.21 ±0.00 3.21 ±0.00 +0.0% —
nii_erode_msk 5.88 ±0.00 5.88 ±0.00 +0.0% —
poi_reorient 3.77 ±0.00 3.77 ±0.00 +0.0% —
poi_to_global 3.02 ±0.00 3.02 ±0.00 +0.0% —
metric_voxels 3536.00 ±0.00 3536.00 ±0.00 +0.0% —
metric_labels 7.00 ±0.00 7.00 ±0.00 +0.0% —
metric_foreground_pct 50.17 ±0.00 50.17 ±0.00 +0.0% —
nii_get_array 1.59 ±0.00 1.59 ±0.00 +0.0% (noise) —
nii_compute_crop 2.84 ±0.00 2.84 ±0.00 +0.0% (noise) —
nii_unique 2.90 ±0.00 2.90 ±0.00 +0.0% (noise) —
poi_rescale 2.54 ±0.00 2.54 ±0.00 +0.0% (noise) —
poi_local_to_global_arr 2.89 ±0.00 2.89 ±0.00 +0.0% (noise) —
poi_save 1.40 ±0.00 1.40 ±0.00 +0.0% (noise) —
poi_map_labels 1.71 ±0.00 1.71 ±0.00 +0.0% (noise) —
poi_load 1.55 ±0.00 1.55 ±0.00 +0.0% (noise) —

Gate: a measurement fails when the baseline is ≥ 1 MiB, the median grows by ≥ 50%, and Welch's t-test gives p < 0.05. metric_* rows are context only.

@robert-graf robert-graf mentioned this pull request Sep 25, 2026
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