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|a 10.1107/S1600576724003182
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|a eng
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|a Gasparotto, Piero
|e verfasserin
|4 aut
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|a TORO Indexer
|b a PyTorch-based indexing algorithm for kilohertz serial crystallography
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|c 2024
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|a Text
|b txt
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 08.08.2024
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|a published: Electronic-eCollection
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|a Citation Status PubMed-not-MEDLINE
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|a © Piero Gasparotto et al. 2024.
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|a Serial crystallography (SX) involves combining observations from a very large number of diffraction patterns coming from crystals in random orientations. To compile a complete data set, these patterns must be indexed (i.e. their orientation determined), integrated and merged. Introduced here is TORO (Torch-powered robust optimization) Indexer, a robust and adaptable indexing algorithm developed using the PyTorch framework. TORO is capable of operating on graphics processing units (GPUs), central processing units (CPUs) and other hardware accelerators supported by PyTorch, ensuring compatibility with a wide variety of computational setups. In tests, TORO outpaces existing solutions, indexing thousands of frames per second when running on GPUs, which positions it as an attractive candidate to produce real-time indexing and user feedback. The algorithm streamlines some of the ideas introduced by previous indexers like DIALS real-space grid search [Gildea, Waterman, Parkhurst, Axford, Sutton, Stuart, Sauter, Evans & Winter (2014). Acta Cryst. D70, 2652-2666] and XGandalf [Gevorkov, Yefanov, Barty, White, Mariani, Brehm, Tolstikova, Grigat & Chapman (2019). Acta Cryst. A75, 694-704] and refines them using faster and principled robust optimization techniques which result in a concise code base consisting of less than 500 lines. On the basis of evaluations across four proteins, TORO consistently matches, and in certain instances outperforms, established algorithms such as XGandalf and MOSFLM [Powell (1999). Acta Cryst. D55, 1690-1695], occasionally amplifying the quality of the consolidated data while achieving superior indexing speed. The inherent modularity of TORO and the versatility of PyTorch code bases facilitate its deployment into a wide array of architectures, software platforms and bespoke applications, highlighting its prospective significance in SX
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|a Journal Article
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|a PyTorch indexer
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|a Torch scripts
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|a X-ray image acquisition
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| 650 |
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|a macromolecular crystallography
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| 650 |
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|a real-time indexing algorithms
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| 650 |
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|a robust optimization
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| 650 |
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|a serial crystallography
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| 700 |
1 |
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|a Barba, Luis
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Stadler, Hans-Christian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Assmann, Greta
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Mendonça, Henrique
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ashton, Alun W
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Janousch, Markus
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Leonarski, Filip
|e verfasserin
|4 aut
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| 700 |
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|a Béjar, Benjamín
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Journal of applied crystallography
|d 1998
|g 57(2024), Pt 4 vom: 01. Aug., Seite 931-944
|w (DE-627)NLM098121561
|x 0021-8898
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|g volume:57
|g year:2024
|g number:Pt 4
|g day:01
|g month:08
|g pages:931-944
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|u http://dx.doi.org/10.1107/S1600576724003182
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