Development robert

[robert-graf]

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Benchmark comparison

Speed (wall time per call)

baseline e9a3423 vs head e9a3423 · 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_filter_connected_components	4.27 ±0.04	4.40 ±0.07	+3.1%	0.015
poi_calc_centroids_nocrop	4.40 ±0.07	4.27 ±0.06	-2.8%	0.011
poi_calc_poi_from_subreg_vert	12.51 ±0.13	12.83 ±0.09	+2.6%	0.006
nii_rescale_seg	3.08 ±0.05	3.14 ±0.04	+2.0%	0.025
nii_load_img	10.68 ±0.13	10.85 ±0.07	+1.5%	0.073

… 31 more measurements

Measurement	baseline ms (median ±½·range)	head ms (median ±½·range)	Δ %	p
nii_erode_msk	6.15 ±0.06	6.24 ±0.06	+1.4%	0.057
nii_dilate_msk	127.62 ±0.75	128.78 ±0.24	+0.9%	0.045
nii_resample_from_to	42.01 ±0.26	42.36 ±0.14	+0.8%	0.017
nii_fill_holes	4.55 ±0.05	4.57 ±0.05	+0.5%	0.627
nii_rescale	39.92 ±0.40	39.96 ±0.13	+0.1%	0.375
nii_save	11.52 ±0.10	11.52 ±0.20	-0.0%	0.329
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_to_global	0.16 ±0.02	0.22 ±0.02	+39.1% (noise)	0.001
nii_get_array	0.04 ±0.01	0.04 ±0.01	+19.6% (noise)	0.159
nii_compute_crop	0.29 ±0.02	0.33 ±0.02	+14.0% (noise)	0.014
poi_local_to_global_arr	0.28 ±0.01	0.32 ±0.03	+13.7% (noise)	0.089
nii_apply_crop	0.58 ±0.07	0.65 ±0.03	+12.2% (noise)	0.340
poi_rescale	0.19 ±0.02	0.22 ±0.02	+11.4% (noise)	0.040
nii_load_seg	2.62 ±0.05	2.88 ±0.06	+9.7% (noise)	0.000
nii_map_labels	0.94 ±0.04	1.01 ±0.02	+6.7% (noise)	0.011
nii_unique	0.62 ±0.02	0.66 ±0.02	+6.4% (noise)	0.003
poi_load	1.04 ±0.06	0.98 ±0.05	-5.6% (noise)	0.048
nii_reorient	0.73 ±0.02	0.77 ±0.03	+5.5% (noise)	0.019
nii_pad_to	0.66 ±0.04	0.62 ±0.03	-5.2% (noise)	0.661
nii_get_connected_components	2.19 ±0.02	2.31 ±0.03	+5.1% (noise)	0.000
poi_map_labels	0.17 ±0.03	0.16 ±0.01	-4.8% (noise)	0.394
nii_set_dtype	0.43 ±0.03	0.45 ±0.04	+4.5% (noise)	0.318
poi_resample_from_to	0.65 ±0.03	0.62 ±0.04	-4.4% (noise)	0.123
nii_volumes	1.81 ±0.02	1.87 ±0.02	+3.5% (noise)	0.000
poi_reorient	0.41 ±0.04	0.42 ±0.02	+2.6% (noise)	0.356
poi_save	0.40 ±0.03	0.39 ±0.05	-1.1% (noise)	0.582
nii_center_of_masses	1.71 ±0.03	1.72 ±0.02	+0.5% (noise)	0.932
nii_extract_label	0.41 ±0.02	0.40 ±0.02	-0.4% (noise)	0.797
poi_calc_centroids	2.46 ±0.03	2.47 ±0.05	+0.1% (noise)	0.935

ct_2d — shape (73, 47, 1)

Measurement	baseline ms (median ±½·range)	head ms (median ±½·range)	Δ %	p
nii_resample_from_to	7.49 ±0.08	7.65 ±0.06	+2.2%	0.006
nii_rescale	5.48 ±0.04	5.41 ±0.12	-1.3%	0.845
nii_dilate_msk	15.00 ±0.61	15.11 ±0.07	+0.8%	0.588
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_extract_label	0.38 ±0.03	0.45 ±0.02	+20.5% (noise)	0.007
poi_resample_from_to	0.67 ±0.03	0.79 ±0.02	+18.9% (noise)	0.000
poi_to_global	0.21 ±0.01	0.25 ±0.01	+18.5% (noise)	0.000
nii_apply_crop	0.62 ±0.02	0.72 ±0.06	+15.0% (noise)	0.023
nii_compute_crop	0.13 ±0.01	0.15 ±0.01	+11.8% (noise)	0.003
poi_save	0.47 ±0.03	0.52 ±0.05	+11.8% (noise)	0.039
nii_load_img	1.44 ±0.03	1.59 ±0.05	+10.4% (noise)	0.001
poi_rescale	0.23 ±0.02	0.26 ±0.01	+10.4% (noise)	0.012
nii_save	1.34 ±0.04	1.48 ±0.02	+10.1% (noise)	0.000
nii_map_labels	0.45 ±0.02	0.49 ±0.02	+9.6% (noise)	0.002
nii_volumes	0.27 ±0.01	0.30 ±0.01	+9.6% (noise)	0.019
nii_load_seg	1.63 ±0.03	1.78 ±0.06	+9.4% (noise)	0.002
poi_reorient	0.44 ±0.02	0.48 ±0.01	+9.0% (noise)	0.005
nii_get_array	0.02 ±0.00	0.02 ±0.00	+9.0% (noise)	0.122
poi_load	1.08 ±0.06	1.17 ±0.02	+8.5% (noise)	0.110
poi_calc_centroids	0.91 ±0.04	0.98 ±0.02	+8.2% (noise)	0.012
poi_calc_centroids_nocrop	1.11 ±0.04	1.19 ±0.02	+7.3% (noise)	0.001
nii_filter_connected_components	0.82 ±0.03	0.87 ±0.02	+6.8% (noise)	0.003
nii_center_of_masses	0.21 ±0.01	0.23 ±0.01	+6.7% (noise)	0.066
nii_pad_to	0.55 ±0.02	0.58 ±0.02	+6.2% (noise)	0.017
nii_fill_holes	0.85 ±0.02	0.90 ±0.03	+5.8% (noise)	0.034
nii_rescale_seg	0.76 ±0.04	0.81 ±0.04	+5.8% (noise)	0.221
poi_map_labels	0.20 ±0.01	0.21 ±0.01	+5.4% (noise)	0.101
nii_get_connected_components	0.65 ±0.02	0.68 ±0.03	+3.9% (noise)	0.060
nii_reorient	0.84 ±0.03	0.87 ±0.02	+3.9% (noise)	0.606
nii_erode_msk	0.99 ±0.04	1.02 ±0.02	+3.4% (noise)	0.023
nii_set_dtype	0.41 ±0.02	0.42 ±0.02	+1.8% (noise)	0.360
nii_unique	0.12 ±0.01	0.12 ±0.00	+1.5% (noise)	0.874
poi_local_to_global_arr	0.33 ±0.02	0.34 ±0.02	+0.3% (noise)	0.345

mri_3d — shape (68, 52, 67)

Measurement	baseline ms (median ±½·range)	head ms (median ±½·range)	Δ %	p
nii_rescale_seg	3.23 ±0.03	3.32 ±0.08	+2.8%	0.037
nii_fill_holes	5.34 ±0.06	5.47 ±0.15	+2.3%	0.117
nii_resample_from_to	39.50 ±0.35	40.31 ±0.10	+2.1%	0.009
nii_dilate_msk	165.53 ±0.60	167.69 ±0.40	+1.3%	0.000
nii_filter_connected_components	4.70 ±0.05	4.75 ±0.06	+1.0%	0.062

… 31 more measurements

Measurement	baseline ms (median ±½·range)	head ms (median ±½·range)	Δ %	p
nii_load_img	8.77 ±0.15	8.84 ±0.08	+0.7%	0.129
poi_calc_poi_from_subreg_vert	11.96 ±0.11	11.88 ±0.14	-0.7%	0.168
nii_erode_msk	7.73 ±0.12	7.77 ±0.15	+0.5%	0.166
poi_calc_centroids_nocrop	8.75 ±0.15	8.78 ±0.12	+0.3%	0.565
nii_rescale	37.88 ±0.26	37.81 ±0.54	-0.2%	0.768
nii_save	9.57 ±0.19	9.55 ±0.06	-0.2%	0.675
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_apply_crop	0.66 ±0.04	0.77 ±0.03	+17.6% (noise)	0.002
nii_map_labels	1.02 ±0.01	1.12 ±0.07	+10.4% (noise)	0.031
poi_local_to_global_arr	0.33 ±0.01	0.37 ±0.02	+10.1% (noise)	0.031
poi_reorient	0.47 ±0.02	0.51 ±0.04	+9.7% (noise)	0.036
nii_get_array	0.06 ±0.00	0.06 ±0.00	+8.2% (noise)	0.039
poi_save	0.52 ±0.02	0.56 ±0.02	+8.2% (noise)	0.008
poi_rescale	0.28 ±0.01	0.31 ±0.01	+8.1% (noise)	0.018
poi_map_labels	0.23 ±0.01	0.24 ±0.01	+7.4% (noise)	0.038
nii_pad_to	0.71 ±0.03	0.75 ±0.02	+6.0% (noise)	0.010
nii_get_connected_components	2.23 ±0.03	2.36 ±0.07	+5.7% (noise)	0.007
nii_unique	0.64 ±0.01	0.67 ±0.02	+5.3% (noise)	0.017
nii_extract_label	0.45 ±0.03	0.47 ±0.02	+5.1% (noise)	0.048
nii_compute_crop	0.32 ±0.01	0.34 ±0.01	+5.0% (noise)	0.001
poi_to_global	0.27 ±0.01	0.28 ±0.01	+4.5% (noise)	0.151
nii_load_seg	2.83 ±0.08	2.95 ±0.07	+4.2% (noise)	0.016
nii_reorient	0.87 ±0.05	0.90 ±0.02	+3.7% (noise)	0.108
poi_load	2.39 ±0.08	2.43 ±0.05	+2.0% (noise)	0.228
nii_center_of_masses	1.96 ±0.01	2.00 ±0.04	+1.8% (noise)	0.060
poi_calc_centroids	2.78 ±0.02	2.83 ±0.02	+1.8% (noise)	0.002
poi_resample_from_to	0.76 ±0.03	0.78 ±0.03	+1.6% (noise)	0.427
nii_volumes	1.98 ±0.13	1.96 ±0.01	-0.6% (noise)	0.459
nii_set_dtype	0.57 ±0.03	0.57 ±0.02	+0.3% (noise)	0.782

mri_2d — shape (68, 52, 1)

Measurement	baseline ms (median ±½·range)	head ms (median ±½·range)	Δ %	p
nii_rescale	5.51 ±0.15	5.31 ±0.11	-3.6%	0.288
nii_resample_from_to	7.42 ±0.14	7.58 ±0.12	+2.2%	0.408
nii_dilate_msk	20.04 ±0.09	20.05 ±0.10	+0.0%	0.366
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_set_dtype	0.35 ±0.02	0.40 ±0.01	+14.1% (noise)	0.004
nii_unique	0.11 ±0.01	0.12 ±0.01	+10.0% (noise)	0.073
nii_rescale_seg	0.71 ±0.03	0.78 ±0.03	+8.7% (noise)	0.023
nii_compute_crop	0.13 ±0.00	0.14 ±0.01	+8.5% (noise)	0.055
poi_rescale	0.29 ±0.02	0.27 ±0.02	-7.2% (noise)	0.319
nii_get_connected_components	0.59 ±0.03	0.63 ±0.02	+7.0% (noise)	0.026
nii_save	1.30 ±0.06	1.39 ±0.07	+6.7% (noise)	0.237
poi_resample_from_to	0.74 ±0.02	0.79 ±0.17	+6.5% (noise)	0.211
nii_pad_to	0.52 ±0.04	0.55 ±0.02	+5.6% (noise)	0.478
poi_reorient	0.47 ±0.02	0.49 ±0.02	+4.5% (noise)	0.048
nii_filter_connected_components	0.82 ±0.03	0.85 ±0.01	+4.4% (noise)	0.025
nii_get_array	0.02 ±0.00	0.02 ±0.00	-4.0% (noise)	0.784
poi_to_global	0.26 ±0.02	0.25 ±0.02	-3.8% (noise)	0.794
poi_save	0.51 ±0.04	0.53 ±0.06	+3.5% (noise)	0.309
nii_center_of_masses	0.43 ±0.01	0.42 ±0.06	-3.3% (noise)	0.529
poi_load	2.07 ±0.07	2.13 ±0.04	+3.0% (noise)	0.377
nii_volumes	0.46 ±0.02	0.47 ±0.02	+2.9% (noise)	0.247
nii_fill_holes	1.08 ±0.05	1.10 ±0.02	+2.6% (noise)	0.465
poi_calc_centroids_nocrop	1.42 ±0.04	1.45 ±0.02	+2.3% (noise)	0.016
poi_calc_centroids	1.14 ±0.01	1.16 ±0.02	+1.6% (noise)	0.011
nii_erode_msk	1.30 ±0.02	1.32 ±0.05	+1.4% (noise)	0.125
nii_reorient	0.82 ±0.04	0.83 ±0.02	+1.1% (noise)	0.062
nii_load_seg	1.65 ±0.02	1.64 ±0.08	-0.8% (noise)	0.434
nii_map_labels	0.48 ±0.02	0.48 ±0.02	+0.7% (noise)	0.966
nii_load_img	1.47 ±0.02	1.48 ±0.04	+0.7% (noise)	0.436
poi_local_to_global_arr	0.32 ±0.01	0.32 ±0.02	-0.7% (noise)	0.986
poi_map_labels	0.23 ±0.01	0.23 ±0.01	+0.4% (noise)	0.561
nii_apply_crop	0.65 ±0.03	0.65 ±0.03	+0.1% (noise)	0.402
nii_extract_label	0.41 ±0.02	0.41 ±0.01	-0.1% (noise)	0.736

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 e9a3423 vs head e9a3423 · 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
poi_resample_from_to	5.26 ±0.00	5.18 ±0.00	-1.6%	—
nii_reorient	5.89 ±0.00	5.81 ±0.00	-1.4%	—
nii_load_seg	5.99 ±0.00	5.92 ±0.00	-1.2%	—
nii_erode_msk	5.93 ±0.00	5.86 ±0.00	-1.1%	—
nii_load_img	3.56 ±0.00	3.53 ±0.00	-0.9%	—

… 31 more measurements

Measurement	baseline MiB (median ±½·range)	head MiB (median ±½·range)	Δ %	p
nii_dilate_msk	5.91 ±0.00	5.86 ±0.00	-0.9%	—
nii_set_dtype	5.23 ±0.00	5.19 ±0.00	-0.7%	—
poi_calc_centroids_nocrop	5.91 ±0.00	5.87 ±0.00	-0.7%	—
nii_pad_to	5.41 ±0.00	5.38 ±0.00	-0.6%	—
nii_extract_label	5.41 ±0.00	5.38 ±0.00	-0.6%	—
poi_calc_centroids	6.04 ±0.00	6.00 ±0.00	-0.6%	—
nii_map_labels	5.48 ±0.00	5.44 ±0.00	-0.6%	—
nii_apply_crop	5.85 ±0.00	5.82 ±0.00	-0.6%	—
nii_fill_holes	6.27 ±0.00	6.23 ±0.00	-0.6%	—
poi_calc_poi_from_subreg_vert	7.10 ±0.00	7.06 ±0.00	-0.6%	0.000
nii_get_connected_components	6.60 ±0.03	6.57 ±0.00	-0.5%	0.144
nii_filter_connected_components	6.85 ±0.00	6.82 ±0.00	-0.5%	—
nii_rescale_seg	5.93 ±0.00	5.95 ±0.00	+0.3%	—
nii_rescale	6.16 ±0.00	6.14 ±0.00	-0.3%	—
nii_resample_from_to	6.28 ±0.00	6.26 ±0.00	-0.3%	—
nii_center_of_masses	3.27 ±0.00	3.28 ±0.00	+0.1%	—
nii_volumes	3.52 ±0.00	3.53 ±0.00	+0.1%	—
nii_save	3.71 ±0.00	3.71 ±0.00	+0.1%	—
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	+0.2% (noise)	—
nii_compute_crop	2.90 ±0.00	2.90 ±0.00	+0.1% (noise)	—
nii_unique	2.96 ±0.00	2.96 ±0.00	+0.1% (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
poi_resample_from_to	5.20 ±0.00	5.11 ±0.00	-1.7%	—
nii_reorient	5.83 ±0.00	5.74 ±0.00	-1.5%	—
nii_load_seg	5.93 ±0.00	5.86 ±0.00	-1.3%	—
nii_erode_msk	5.86 ±0.00	5.80 ±0.00	-1.1%	—
nii_load_img	3.50 ±0.00	3.46 ±0.00	-1.0%	—

… 30 more measurements

Measurement	baseline MiB (median ±½·range)	head MiB (median ±½·range)	Δ %	p
nii_dilate_msk	5.85 ±0.00	5.80 ±0.00	-0.9%	—
nii_set_dtype	5.16 ±0.00	5.12 ±0.00	-0.8%	—
nii_pad_to	5.35 ±0.00	5.31 ±0.00	-0.7%	—
nii_extract_label	5.35 ±0.00	5.31 ±0.00	-0.7%	—
nii_map_labels	5.41 ±0.00	5.38 ±0.00	-0.7%	—
nii_apply_crop	5.79 ±0.00	5.75 ±0.00	-0.7%	—
poi_calc_centroids_nocrop	5.91 ±0.00	5.87 ±0.00	-0.7%	—
poi_calc_centroids	5.98 ±0.00	5.94 ±0.00	-0.7%	—
nii_fill_holes	6.20 ±0.00	6.16 ±0.00	-0.6%	—
nii_get_connected_components	6.54 ±0.00	6.50 ±0.00	-0.6%	—
nii_filter_connected_components	6.79 ±0.00	6.75 ±0.00	-0.6%	—
nii_resample_from_to	6.22 ±0.00	6.20 ±0.00	-0.4%	—
nii_rescale	6.09 ±0.00	6.07 ±0.00	-0.4%	—
nii_rescale_seg	5.87 ±0.00	5.88 ±0.00	+0.3%	—
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
poi_resample_from_to	5.20 ±0.00	5.11 ±0.00	-1.7%	—
nii_reorient	5.83 ±0.00	5.74 ±0.00	-1.5%	—
nii_load_seg	5.93 ±0.00	5.86 ±0.00	-1.3%	—
nii_erode_msk	5.86 ±0.00	5.80 ±0.00	-1.1%	—
nii_load_img	3.56 ±0.00	3.53 ±0.00	-1.0%	—

… 31 more measurements

Measurement	baseline MiB (median ±½·range)	head MiB (median ±½·range)	Δ %	p
nii_dilate_msk	5.85 ±0.00	5.80 ±0.00	-0.9%	—
nii_set_dtype	5.23 ±0.00	5.19 ±0.00	-0.7%	—
nii_pad_to	5.35 ±0.00	5.31 ±0.00	-0.7%	—
nii_extract_label	5.35 ±0.00	5.31 ±0.00	-0.7%	—
nii_map_labels	5.41 ±0.00	5.38 ±0.00	-0.7%	—
nii_apply_crop	5.79 ±0.00	5.75 ±0.00	-0.7%	—
poi_calc_centroids_nocrop	5.85 ±0.00	5.81 ±0.00	-0.7%	—
poi_calc_centroids	5.98 ±0.00	5.94 ±0.00	-0.7%	—
nii_fill_holes	6.20 ±0.00	6.16 ±0.00	-0.6%	—
nii_get_connected_components	6.54 ±0.00	6.50 ±0.00	-0.6%	—
nii_filter_connected_components	6.79 ±0.00	6.75 ±0.00	-0.6%	—
poi_calc_poi_from_subreg_vert	7.10 ±0.00	7.06 ±0.00	-0.6%	—
nii_rescale	6.09 ±0.00	6.07 ±0.00	-0.4%	—
nii_resample_from_to	6.22 ±0.00	6.20 ±0.00	-0.4%	—
nii_rescale_seg	5.87 ±0.00	5.88 ±0.00	+0.3%	—
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
poi_resample_from_to	5.20 ±0.00	5.11 ±0.00	-1.7%	—
nii_reorient	5.83 ±0.00	5.74 ±0.00	-1.5%	—
nii_load_seg	5.93 ±0.00	5.86 ±0.00	-1.3%	—
nii_erode_msk	5.86 ±0.00	5.80 ±0.00	-1.1%	—
nii_load_img	3.56 ±0.00	3.53 ±0.00	-1.0%	—

… 30 more measurements

Measurement	baseline MiB (median ±½·range)	head MiB (median ±½·range)	Δ %	p
nii_dilate_msk	5.85 ±0.00	5.80 ±0.00	-0.9%	—
nii_set_dtype	5.23 ±0.00	5.19 ±0.00	-0.7%	—
nii_pad_to	5.35 ±0.00	5.31 ±0.00	-0.7%	—
nii_extract_label	5.35 ±0.00	5.31 ±0.00	-0.7%	—
nii_map_labels	5.41 ±0.00	5.38 ±0.00	-0.7%	—
nii_apply_crop	5.79 ±0.00	5.75 ±0.00	-0.7%	—
poi_calc_centroids_nocrop	5.91 ±0.00	5.87 ±0.00	-0.7%	—
poi_calc_centroids	5.98 ±0.00	5.94 ±0.00	-0.7%	—
nii_fill_holes	6.20 ±0.00	6.16 ±0.00	-0.6%	—
nii_get_connected_components	6.54 ±0.00	6.50 ±0.00	-0.6%	—
nii_filter_connected_components	6.79 ±0.00	6.75 ±0.00	-0.6%	—
nii_rescale	6.09 ±0.00	6.07 ±0.00	-0.4%	—
nii_resample_from_to	6.22 ±0.00	6.20 ±0.00	-0.4%	—
nii_rescale_seg	5.87 ±0.00	5.88 ±0.00	+0.3%	—
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.