1# User-Guide 2 3```{raw} latex 4\thispagestyle{empty} 5\vspace*{-0.5in} 6\hfill {\large {\bf ANL-21/39 Rev \techreportversion{}}} 7\break 8\break 9\break 10\break 11{\Huge\textbf{PETSc/TAO Users Manual}} 12``` 13 14**Argonne National Laboratory** 15 16**Mathematics and Computer Science Division** 17 18______________________________________________________________________ 19 20Prepared by 21 22**S. Balay** {sup}`1`, 23**S. Abhyankar** {sup}`1,2`, 24**M. F. Adams** {sup}`3`, 25**S. Benson** {sup}`1`, 26**J. Brown** {sup}`1,10`, 27**P. Brune** {sup}`1`, 28**K. Buschelman** {sup}`1`, 29**E. M. Constantinescu** {sup}`1`, 30**L. Dalcin** {sup}`4`, 31**A. Dener** {sup}`1`, 32**V. Eijkhout** {sup}`6`, 33**J. Faibussowitsch** {sup}`1,18`, 34**W. D. Gropp** {sup}`1,18`, 35**V. Hapla** {sup}`8`, 36**T. Isaac** {sup}`1,14`, 37**P. Jolivet** {sup}`12,22`, 38**D. Karpeev** {sup}`1`, 39**D. Kaushik** {sup}`1`, 40**M. G. Knepley** {sup}`1,9`, 41**F. Kong** {sup}`1,11`, 42**S. Kruger** {sup}`15`, 43**D. A. May** {sup}`7,21`, 44**L. Curfman McInnes** {sup}`1`, 45**R. Tran Mills** {sup}`1`, 46**L. Mitchell** {sup}`13,20`, 47**T. Munson** {sup}`1`, 48**J. E. Roman** {sup}`16`, 49**K. Rupp** {sup}`1,19`, 50**P. Sanan** {sup}`1,8`, 51**J. Sarich** {sup}`1`, 52**B. F. Smith** {sup}`1,17`, 53**H. Suh** {sup}`1`, 54**S. Zampini** {sup}`4`, 55**H. Zhang** {sup}`1,5`, 56**H. Zhang** {sup}`1`, and 57**J. Zhang** {sup}`1` 58 59{sup}`1` Mathematics and Computer Science Division, Argonne National Laboratory 60 61{sup}`2` Electricity Infrastructure and Buildings Division, Pacific Northwest National Laboratory 62 63{sup}`3` Computational Research, Lawrence Berkeley National Laboratory 64 65{sup}`4` Extreme Computing Research Center, King Abdullah University of Science and Technology 66 67{sup}`5` Department of Computer Science, Illinois Institute of Technology 68 69{sup}`6` Texas Advanced Computing Center, University of Texas at Austin 70 71{sup}`7` Department of Earth Sciences, University of Oxford 72 73{sup}`8` Institute of Geophysics, ETH Zurich 74 75{sup}`9` Department of Computer Science and Engineering, University at Buffalo 76 77{sup}`10` Department of Computer Science, University of Colorado, Boulder 78 79{sup}`11` Computational Frameworks, Idaho National Laboratory 80 81{sup}`12` Sorbonne Université, CNRS, LIP6 82 83{sup}`13` NVIDIA Corporation 84 85{sup}`14` College of Computing, Georgia Tech 86 87{sup}`15` Tech-X Corporation 88 89{sup}`16` DSIC, Universitat Politècnica de València 90 91{sup}`17` Flatiron Institute, Simons Foundation 92 93{sup}`18` University of Illinois, Urbana-Champaign 94 95{sup}`19` Institute for Microelectronics, TU Wien 96 97{sup}`20` Department of Computer Science, Durham University 98 99{sup}`21` Scripps Institution of Oceanography, University of California, San Diego 100 101{sup}`22` Toulouse INP, CNRS, Institute of Computer Science Research 102 103```{raw} latex 104{\bf \today} 105``` 106 107______________________________________________________________________ 108 109This work was supported by the Office of Advanced Scientific Computing Research, 110Office of Science, U.S. Department of Energy, under Contract DE-AC02-06CH11357. 111 112______________________________________________________________________ 113 114```{raw} latex 115\sphinxtableofcontents 116``` 117 118```{toctree} 119:maxdepth: 3 120 121introduction 122programming 123dm 124additional 125``` 126