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Speed up Pulseq import by integrating gradient moments in NumPy. - #198

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@mzaiss mzaiss commented Oct 16, 2026

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Co-authored-by: Cursor <cursoragent@cursor.com>
@mzaiss

mzaiss commented Oct 16, 2026

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i think thats identical to #194, sorry

@mzaiss mzaiss closed this Oct 16, 2026
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Simulation test: main (before) vs. this PR (after)

Sequence Status max mag NRMSE max phase RMSE max runtime Δ
mr0_DREAM_STE_seq ✅ 0.00e+00 0.00e+00 +3.0%
mr0_DWI_SE_EPI ✅ 0.00e+00 0.00e+00 -0.1%
mr0_EPI_2D_seq ✅ 0.00e+00 0.00e+00 -0.0%
mr0_FID_seq ✅ 0.00e+00 0.00e+00 +0.9%
mr0_FLASH_2D_seq ✅ 0.00e+00 0.00e+00 +6.5%
mr0_GRE_to_FLASH ⚠️ – – –
mr0_RARE_2D_seq ✅ 0.00e+00 0.00e+00 +15.6%
mr0_SE_CPMG_seq ✅ 0.00e+00 0.00e+00 +2.3%
mr0_STE_3pulses_5echoes_seq ✅ 0.00e+00 0.00e+00 +4.5%
mr0_TSE_2D_multi_shot_seq ✅ 0.00e+00 0.00e+00 +3.8%
mr0_bSSFP_2D_seq ✅ 0.00e+00 0.00e+00 +6.3%
mr0_diffusion_prep_STEAM_2D_seq ✅ 0.00e+00 0.00e+00 +5.1%
✅ mr0_DREAM_STE_seq: All tests passed.

mr0_DREAM_STE_seq

✅ mr0_DWI_SE_EPI: All tests passed.

mr0_DWI_SE_EPI

✅ mr0_EPI_2D_seq: All tests passed.

mr0_EPI_2D_seq

✅ mr0_FID_seq: All tests passed.

mr0_FID_seq

✅ mr0_FLASH_2D_seq: All tests passed.

mr0_FLASH_2D_seq

⚠️ mr0_GRE_to_FLASH: No comparison possible: [Errno 2] No such file or directory: '/home/runner/work/MRzero-Core/MRzero-Core/tests/simulation_test/ref_files/mr0_GRE_to_FLASH.seq.npz'
✅ mr0_RARE_2D_seq: All tests passed.

mr0_RARE_2D_seq

✅ mr0_SE_CPMG_seq: All tests passed.

mr0_SE_CPMG_seq

✅ mr0_STE_3pulses_5echoes_seq: All tests passed.

mr0_STE_3pulses_5echoes_seq

✅ mr0_TSE_2D_multi_shot_seq: All tests passed.

mr0_TSE_2D_multi_shot_seq

✅ mr0_bSSFP_2D_seq: All tests passed.

mr0_bSSFP_2D_seq

✅ mr0_diffusion_prep_STEAM_2D_seq: All tests passed.

mr0_diffusion_prep_STEAM_2D_seq

Workflow run — raw .npz data is attached as artifacts.

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