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Benchmark comparison

Speed (wall time per call)

baseline 6e64150 vs head 6e64150 · python 3.11.15 · 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_save	11.90 ±0.07	11.55 ±0.31	-2.9%	0.320
nii_erode_msk	6.16 ±0.11	6.10 ±0.08	-1.0%	0.232
nii_filter_connected_components	4.25 ±0.02	4.21 ±0.02	-1.0%	0.004
nii_fill_holes	4.62 ±0.04	4.66 ±0.03	+0.9%	0.377
nii_load_img	11.75 ±0.06	11.84 ±1.20	+0.8%	0.158

… 31 more measurements

Measurement	baseline ms (median ±½·range)	head ms (median ±½·range)	Δ %	p
poi_calc_poi_from_subreg_vert	11.48 ±0.25	11.41 ±0.06	-0.6%	0.183
nii_dilate_msk	120.12 ±2.07	119.42 ±0.30	-0.6%	0.223
nii_rescale_seg	3.07 ±0.04	3.06 ±0.04	-0.5%	0.827
nii_resample_from_to	41.55 ±0.23	41.65 ±0.13	+0.2%	0.656
nii_rescale	39.72 ±0.16	39.65 ±0.10	-0.2%	0.768
poi_calc_centroids_nocrop	4.31 ±0.05	4.31 ±0.05	-0.1%	0.584
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	0.03 ±0.00	0.05 ±0.01	+39.7% (noise)	0.004
poi_reorient	0.38 ±0.03	0.34 ±0.03	-11.6% (noise)	0.034
poi_save	0.38 ±0.02	0.35 ±0.02	-7.0% (noise)	0.204
poi_rescale	0.19 ±0.02	0.18 ±0.01	-6.8% (noise)	0.351
poi_resample_from_to	0.57 ±0.04	0.61 ±0.05	+6.8% (noise)	0.169
nii_extract_label	0.34 ±0.02	0.32 ±0.01	-5.5% (noise)	0.147
poi_load	0.87 ±0.02	0.92 ±0.05	+5.3% (noise)	0.186
nii_compute_crop	0.27 ±0.01	0.29 ±0.02	+4.7% (noise)	0.094
nii_unique	0.58 ±0.01	0.56 ±0.01	-3.7% (noise)	0.036
nii_load_seg	2.70 ±0.03	2.79 ±0.04	+3.2% (noise)	0.007
poi_map_labels	0.14 ±0.01	0.15 ±0.01	+2.5% (noise)	0.970
nii_apply_crop	0.51 ±0.02	0.50 ±0.03	-2.3% (noise)	0.943
nii_reorient	0.71 ±0.04	0.73 ±0.06	+2.2% (noise)	0.351
nii_get_connected_components	2.03 ±0.04	1.98 ±0.03	-2.2% (noise)	0.130
nii_set_dtype	0.40 ±0.03	0.41 ±0.02	+2.1% (noise)	0.795
poi_to_global	0.17 ±0.02	0.17 ±0.02	+2.1% (noise)	0.979
poi_calc_centroids	2.45 ±0.04	2.40 ±0.01	-1.8% (noise)	0.051
nii_pad_to	0.56 ±0.03	0.55 ±0.04	-1.7% (noise)	0.644
poi_local_to_global_arr	0.24 ±0.01	0.24 ±0.01	+1.6% (noise)	0.876
nii_map_labels	0.79 ±0.01	0.79 ±0.04	-0.7% (noise)	0.743
nii_volumes	1.89 ±0.02	1.89 ±0.01	+0.2% (noise)	0.325
nii_center_of_masses	1.79 ±0.02	1.79 ±0.02	+0.1% (noise)	0.363

ct_2d — shape (73, 47, 1)

Measurement	baseline ms (median ±½·range)	head ms (median ±½·range)	Δ %	p
nii_rescale	5.59 ±0.12	5.31 ±0.06	-5.2%	0.007
nii_dilate_msk	13.78 ±0.09	13.91 ±0.86	+0.9%	0.330
nii_resample_from_to	7.23 ±0.04	7.16 ±0.06	-0.9%	0.094
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%	—
poi_save	0.54 ±0.09	0.47 ±0.01	-12.8% (noise)	0.114
poi_resample_from_to	0.76 ±0.05	0.68 ±0.03	-10.1% (noise)	0.034
nii_center_of_masses	0.20 ±0.01	0.22 ±0.01	+9.3% (noise)	0.203
poi_reorient	0.48 ±0.02	0.45 ±0.01	-6.9% (noise)	0.004
nii_compute_crop	0.15 ±0.01	0.14 ±0.01	-5.7% (noise)	0.508
nii_rescale_seg	0.80 ±0.03	0.76 ±0.02	-5.2% (noise)	0.025
nii_unique	0.12 ±0.01	0.13 ±0.01	+4.8% (noise)	0.994
nii_reorient	0.80 ±0.03	0.76 ±0.04	-4.7% (noise)	0.275
nii_save	1.38 ±0.05	1.33 ±0.02	-4.2% (noise)	0.114
nii_filter_connected_components	0.85 ±0.01	0.81 ±0.03	-4.1% (noise)	0.363
nii_fill_holes	0.84 ±0.04	0.81 ±0.01	-4.1% (noise)	0.311
nii_load_seg	1.65 ±0.05	1.59 ±0.03	-3.9% (noise)	0.006
nii_apply_crop	0.68 ±0.01	0.65 ±0.01	-3.6% (noise)	0.011
poi_map_labels	0.21 ±0.01	0.21 ±0.04	-3.6% (noise)	0.626
nii_extract_label	0.44 ±0.01	0.43 ±0.02	-3.4% (noise)	0.135
poi_calc_centroids	0.93 ±0.03	0.90 ±0.03	-2.7% (noise)	0.226
nii_load_img	1.46 ±0.04	1.43 ±0.04	-2.0% (noise)	0.951
poi_rescale	0.28 ±0.01	0.27 ±0.02	-1.6% (noise)	0.263
nii_pad_to	0.55 ±0.01	0.54 ±0.02	-1.6% (noise)	0.138
poi_local_to_global_arr	0.28 ±0.01	0.28 ±0.01	-1.4% (noise)	0.348
nii_volumes	0.29 ±0.01	0.30 ±0.01	+1.2% (noise)	0.412
nii_map_labels	0.49 ±0.07	0.50 ±0.11	+1.1% (noise)	0.686
nii_erode_msk	0.95 ±0.03	0.94 ±0.02	-1.1% (noise)	0.119
poi_to_global	0.24 ±0.01	0.24 ±0.01	+1.1% (noise)	0.937
poi_calc_centroids_nocrop	1.09 ±0.02	1.08 ±0.03	-0.8% (noise)	0.438
nii_get_connected_components	0.66 ±0.03	0.66 ±0.03	-0.7% (noise)	0.594
nii_get_array	0.02 ±0.00	0.02 ±0.00	+0.6% (noise)	0.974
poi_load	1.01 ±0.02	1.01 ±0.01	-0.6% (noise)	0.135
nii_set_dtype	0.40 ±0.02	0.40 ±0.02	-0.1% (noise)	0.739

mri_3d — shape (68, 52, 67)

Measurement	baseline ms (median ±½·range)	head ms (median ±½·range)	Δ %	p
nii_rescale_seg	3.06 ±0.02	3.18 ±0.48	+4.0%	0.124
nii_load_img	9.73 ±0.08	9.50 ±0.09	-2.4%	0.005
nii_save	9.68 ±0.08	9.48 ±0.14	-2.1%	0.041
poi_calc_poi_from_subreg_vert	11.01 ±0.19	10.85 ±0.39	-1.5%	0.777
nii_resample_from_to	39.50 ±0.98	38.92 ±0.09	-1.5%	0.140

… 31 more measurements

Measurement	baseline ms (median ±½·range)	head ms (median ±½·range)	Δ %	p
nii_erode_msk	7.66 ±0.04	7.56 ±0.13	-1.3%	0.350
nii_fill_holes	5.56 ±0.01	5.49 ±0.01	-1.2%	0.000
nii_rescale	37.59 ±0.32	37.15 ±0.30	-1.2%	0.311
nii_filter_connected_components	4.59 ±0.04	4.54 ±0.02	-1.2%	0.052
nii_dilate_msk	154.41 ±0.47	153.80 ±0.25	-0.4%	0.014
poi_calc_centroids_nocrop	9.00 ±0.08	8.98 ±0.04	-0.3%	0.349
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_pad_to	0.74 ±0.04	0.81 ±0.07	+10.1% (noise)	0.196
poi_to_global	0.27 ±0.00	0.29 ±0.01	+5.6% (noise)	0.008
poi_reorient	0.51 ±0.02	0.49 ±0.09	-4.3% (noise)	0.600
nii_extract_label	0.47 ±0.00	0.45 ±0.02	-4.1% (noise)	0.220
poi_local_to_global_arr	0.30 ±0.01	0.29 ±0.01	-3.9% (noise)	0.160
poi_load	2.12 ±0.04	2.19 ±0.04	+3.6% (noise)	0.025
nii_get_array	0.05 ±0.00	0.04 ±0.00	-3.4% (noise)	0.425
poi_resample_from_to	0.76 ±0.03	0.78 ±0.04	+3.3% (noise)	0.148
poi_map_labels	0.26 ±0.01	0.26 ±0.03	+2.4% (noise)	0.231
poi_rescale	0.31 ±0.02	0.30 ±0.01	-2.1% (noise)	0.621
nii_get_connected_components	2.11 ±0.03	2.06 ±0.02	-2.1% (noise)	0.065
nii_compute_crop	0.35 ±0.01	0.35 ±0.00	+1.4% (noise)	0.785
nii_apply_crop	0.69 ±0.02	0.70 ±0.01	+1.4% (noise)	0.740
poi_save	0.58 ±0.02	0.57 ±0.01	-1.3% (noise)	0.930
nii_volumes	2.05 ±0.02	2.02 ±0.01	-1.3% (noise)	0.010
nii_load_seg	2.90 ±0.09	2.87 ±0.11	-1.1% (noise)	0.694
nii_set_dtype	0.53 ±0.04	0.53 ±0.03	-0.7% (noise)	0.880
nii_center_of_masses	2.08 ±0.01	2.07 ±0.02	-0.6% (noise)	0.095
nii_unique	0.60 ±0.01	0.60 ±0.02	-0.5% (noise)	0.983
nii_map_labels	0.99 ±0.01	0.99 ±0.01	+0.4% (noise)	0.815
poi_calc_centroids	2.83 ±0.03	2.83 ±0.05	+0.1% (noise)	0.501
nii_reorient	0.86 ±0.02	0.86 ±0.02	-0.1% (noise)	0.926

mri_2d — shape (68, 52, 1)

Measurement	baseline ms (median ±½·range)	head ms (median ±½·range)	Δ %	p
nii_dilate_msk	18.40 ±0.18	18.20 ±0.04	-1.1%	0.048
nii_resample_from_to	7.31 ±0.07	7.35 ±0.13	+0.6%	0.533
nii_rescale	5.54 ±0.07	5.53 ±0.16	-0.2%	0.922
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%	—
poi_rescale	0.30 ±0.01	0.35 ±0.04	+15.1% (noise)	0.063
nii_get_array	0.02 ±0.00	0.02 ±0.00	+9.3% (noise)	0.465
nii_extract_label	0.42 ±0.01	0.46 ±0.01	+9.2% (noise)	0.001
poi_resample_from_to	0.78 ±0.02	0.71 ±0.03	-8.9% (noise)	0.029
nii_get_connected_components	0.67 ±0.04	0.63 ±0.02	-6.5% (noise)	0.131
nii_reorient	0.77 ±0.03	0.81 ±0.02	+5.9% (noise)	0.006
nii_filter_connected_components	0.88 ±0.02	0.83 ±0.01	-5.7% (noise)	0.002
nii_rescale_seg	0.78 ±0.02	0.82 ±0.03	+4.4% (noise)	0.015
nii_set_dtype	0.40 ±0.01	0.42 ±0.01	+4.2% (noise)	0.063
nii_map_labels	0.50 ±0.02	0.52 ±0.02	+4.0% (noise)	0.035
poi_map_labels	0.26 ±0.01	0.24 ±0.01	-4.0% (noise)	0.057
nii_fill_holes	1.04 ±0.03	1.00 ±0.01	-3.7% (noise)	0.132
nii_erode_msk	1.20 ±0.01	1.16 ±0.04	-3.7% (noise)	0.026
poi_save	0.56 ±0.02	0.54 ±0.02	-3.3% (noise)	0.152
poi_reorient	0.50 ±0.01	0.51 ±0.10	+3.2% (noise)	0.352
nii_load_img	1.47 ±0.03	1.42 ±0.03	-2.9% (noise)	0.035
nii_compute_crop	0.15 ±0.01	0.16 ±0.00	+2.9% (noise)	0.225
nii_load_seg	1.56 ±0.03	1.59 ±0.03	+2.1% (noise)	0.124
nii_save	1.32 ±0.04	1.35 ±0.05	+1.8% (noise)	0.185
nii_apply_crop	0.69 ±0.01	0.68 ±0.02	-1.8% (noise)	0.530
nii_volumes	0.45 ±0.01	0.46 ±0.02	+1.8% (noise)	0.214
poi_calc_centroids	1.12 ±0.04	1.10 ±0.03	-1.7% (noise)	0.407
nii_unique	0.14 ±0.01	0.14 ±0.01	+1.7% (noise)	0.317
nii_center_of_masses	0.40 ±0.02	0.40 ±0.02	-1.6% (noise)	0.340
poi_load	1.91 ±0.02	1.88 ±0.03	-1.5% (noise)	0.038
poi_calc_centroids_nocrop	1.34 ±0.04	1.32 ±0.04	-1.1% (noise)	0.692
nii_pad_to	0.57 ±0.02	0.56 ±0.01	-1.0% (noise)	0.326
poi_local_to_global_arr	0.30 ±0.02	0.30 ±0.01	-0.3% (noise)	0.354
poi_to_global	0.30 ±0.02	0.30 ±0.02	+0.1% (noise)	0.718

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 6e64150 vs head 6e64150 · python 3.11.15 · 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_rescale_seg	5.95 ±0.00	6.00 ±0.00	+0.9%	—
nii_rescale	6.18 ±0.00	6.23 ±0.00	+0.8%	—
nii_resample_from_to	6.30 ±0.00	6.35 ±0.00	+0.8%	—
nii_erode_msk	5.95 ±0.00	5.92 ±0.00	-0.5%	—
poi_resample_from_to	5.28 ±0.00	5.27 ±0.00	-0.3%	—

… 31 more measurements

Measurement	baseline MiB (median ±½·range)	head MiB (median ±½·range)	Δ %	p
nii_set_dtype	5.25 ±0.00	5.23 ±0.00	-0.2%	—
nii_pad_to	5.43 ±0.00	5.42 ±0.00	-0.2%	—
nii_extract_label	5.43 ±0.00	5.42 ±0.00	-0.2%	—
nii_map_labels	5.50 ±0.00	5.48 ±0.00	-0.2%	—
nii_apply_crop	5.87 ±0.00	5.86 ±0.00	-0.2%	—
nii_reorient	5.91 ±0.00	5.90 ±0.00	-0.2%	—
poi_calc_centroids_nocrop	5.93 ±0.00	5.92 ±0.00	-0.2%	—
nii_dilate_msk	5.93 ±0.00	5.92 ±0.00	-0.2%	—
nii_load_seg	6.01 ±0.00	6.00 ±0.00	-0.2%	—
poi_calc_centroids	6.06 ±0.00	6.05 ±0.00	-0.2%	—
nii_fill_holes	6.29 ±0.00	6.27 ±0.00	-0.2%	—
nii_get_connected_components	6.62 ±0.00	6.61 ±0.00	-0.2%	—
nii_filter_connected_components	6.87 ±0.00	6.86 ±0.00	-0.2%	—
poi_calc_poi_from_subreg_vert	7.11 ±0.00	7.10 ±0.00	-0.2%	—
poi_to_global	3.09 ±0.00	3.09 ±0.00	+0.1%	—
nii_center_of_masses	3.28 ±0.00	3.28 ±0.00	+0.1%	—
nii_volumes	3.53 ±0.00	3.53 ±0.00	+0.1%	—
nii_load_img	3.57 ±0.00	3.57 ±0.00	+0.1%	—
nii_save	3.71 ±0.00	3.72 ±0.00	+0.1%	—
poi_reorient	3.84 ±0.00	3.84 ±0.00	+0.1%	—
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	1.66 ±0.00	+0.2% (noise)	—
poi_rescale	2.61 ±0.00	2.61 ±0.00	+0.1% (noise)	—
nii_compute_crop	2.90 ±0.00	2.91 ±0.00	+0.1% (noise)	—
poi_local_to_global_arr	2.96 ±0.00	2.96 ±0.00	+0.1% (noise)	—
nii_unique	2.96 ±0.00	2.97 ±0.00	+0.1% (noise)	—
poi_save	1.41 ±0.00	1.41 ±0.00	+0.0% (noise)	—
poi_map_labels	1.78 ±0.00	1.78 ±0.00	+0.0% (noise)	—
poi_load	1.62 ±0.00	1.62 ±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_rescale_seg	5.88 ±0.00	5.93 ±0.00	+0.8%	—
nii_rescale	6.11 ±0.00	6.16 ±0.00	+0.8%	—
nii_resample_from_to	6.23 ±0.00	6.28 ±0.00	+0.8%	—
nii_erode_msk	5.88 ±0.00	5.85 ±0.00	-0.5%	—
nii_set_dtype	5.18 ±0.00	5.16 ±0.00	-0.3%	—

… 30 more measurements

Measurement	baseline MiB (median ±½·range)	head MiB (median ±½·range)	Δ %	p
poi_resample_from_to	5.21 ±0.00	5.20 ±0.00	-0.3%	—
nii_pad_to	5.36 ±0.00	5.35 ±0.00	-0.3%	—
nii_extract_label	5.37 ±0.00	5.35 ±0.00	-0.3%	—
nii_map_labels	5.43 ±0.00	5.41 ±0.00	-0.3%	—
nii_apply_crop	5.80 ±0.00	5.79 ±0.00	-0.3%	—
nii_reorient	5.84 ±0.00	5.83 ±0.00	-0.3%	—
nii_dilate_msk	5.87 ±0.00	5.85 ±0.00	-0.3%	—
poi_calc_centroids_nocrop	5.93 ±0.00	5.91 ±0.00	-0.3%	—
nii_load_seg	5.95 ±0.00	5.93 ±0.00	-0.3%	—
poi_calc_centroids	5.99 ±0.00	5.98 ±0.00	-0.3%	—
nii_fill_holes	6.22 ±0.00	6.20 ±0.00	-0.3%	—
nii_get_connected_components	6.55 ±0.00	6.54 ±0.00	-0.2%	—
nii_filter_connected_components	6.80 ±0.00	6.79 ±0.00	-0.2%	—
nii_load_img	3.50 ±0.00	3.50 ±0.00	+0.0%	—
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%	—
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_rescale_seg	5.88 ±0.00	5.93 ±0.00	+0.8%	—
nii_rescale	6.11 ±0.00	6.16 ±0.00	+0.8%	—
nii_resample_from_to	6.23 ±0.00	6.28 ±0.00	+0.8%	—
nii_erode_msk	5.88 ±0.00	5.85 ±0.00	-0.5%	—
poi_resample_from_to	5.21 ±0.00	5.20 ±0.00	-0.3%	—

… 31 more measurements

Measurement	baseline MiB (median ±½·range)	head MiB (median ±½·range)	Δ %	p
nii_set_dtype	5.24 ±0.00	5.23 ±0.00	-0.3%	—
nii_pad_to	5.36 ±0.00	5.35 ±0.00	-0.3%	—
nii_extract_label	5.37 ±0.00	5.35 ±0.00	-0.3%	—
nii_map_labels	5.43 ±0.00	5.41 ±0.00	-0.3%	—
nii_apply_crop	5.80 ±0.00	5.79 ±0.00	-0.3%	—
nii_reorient	5.84 ±0.00	5.83 ±0.00	-0.3%	—
poi_calc_centroids_nocrop	5.86 ±0.00	5.85 ±0.00	-0.3%	—
nii_dilate_msk	5.87 ±0.00	5.85 ±0.00	-0.3%	—
nii_load_seg	5.95 ±0.00	5.93 ±0.00	-0.3%	—
poi_calc_centroids	5.99 ±0.00	5.98 ±0.00	-0.3%	—
nii_fill_holes	6.22 ±0.00	6.20 ±0.00	-0.3%	—
nii_get_connected_components	6.55 ±0.00	6.54 ±0.00	-0.2%	—
nii_filter_connected_components	6.80 ±0.00	6.79 ±0.00	-0.2%	—
poi_calc_poi_from_subreg_vert	7.11 ±0.00	7.10 ±0.00	-0.2%	—
nii_load_img	3.56 ±0.00	3.56 ±0.00	+0.0%	—
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%	—
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_rescale_seg	5.88 ±0.00	5.93 ±0.00	+0.8%	—
nii_rescale	6.11 ±0.00	6.16 ±0.00	+0.8%	—
nii_resample_from_to	6.23 ±0.00	6.28 ±0.00	+0.8%	—
nii_erode_msk	5.88 ±0.00	5.85 ±0.00	-0.5%	—
poi_resample_from_to	5.21 ±0.00	5.20 ±0.00	-0.3%	—

… 30 more measurements

Measurement	baseline MiB (median ±½·range)	head MiB (median ±½·range)	Δ %	p
nii_set_dtype	5.24 ±0.00	5.23 ±0.00	-0.3%	—
nii_pad_to	5.36 ±0.00	5.35 ±0.00	-0.3%	—
nii_extract_label	5.37 ±0.00	5.35 ±0.00	-0.3%	—
nii_map_labels	5.43 ±0.00	5.41 ±0.00	-0.3%	—
nii_apply_crop	5.80 ±0.00	5.79 ±0.00	-0.3%	—
nii_reorient	5.84 ±0.00	5.83 ±0.00	-0.3%	—
nii_dilate_msk	5.87 ±0.00	5.85 ±0.00	-0.3%	—
poi_calc_centroids_nocrop	5.93 ±0.00	5.91 ±0.00	-0.3%	—
nii_load_seg	5.95 ±0.00	5.93 ±0.00	-0.3%	—
poi_calc_centroids	5.99 ±0.00	5.98 ±0.00	-0.3%	—
nii_fill_holes	6.22 ±0.00	6.20 ±0.00	-0.3%	—
nii_get_connected_components	6.55 ±0.00	6.54 ±0.00	-0.2%	—
nii_filter_connected_components	6.80 ±0.00	6.79 ±0.00	-0.2%	—
nii_load_img	3.56 ±0.00	3.56 ±0.00	+0.0%	—
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%	—
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.