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Comparison of file writing strategies
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| user system total real | |
| Write all lines to file at once, mode "w" 0.270430 0.901323 1.171753 ( 1.193794) | |
| Write all lines to file at once, mode "a" 0.214400 0.794183 1.008583 ( 1.023748) | |
| Write all lines to file at once, mode "w+" 0.222848 0.774039 0.996887 ( 1.004640) | |
| Write all lines to file at once, mode "a+" 0.270665 0.777068 1.047733 ( 1.074217) | |
| Iterate and write per line to file, mode "w" 0.017369 0.021650 0.039019 ( 0.060581) | |
| Iterate and write per line to file, mode "a" 0.016263 0.000707 0.016970 ( 0.036163) | |
| Iterate and write per line to file, mode "w+" 0.015498 0.001238 0.016736 ( 0.037824) | |
| Iterate and write per line to file, mode "a+" 0.014625 0.001813 0.016438 ( 0.036621) | |
| Iterate and write per line to file (manual), mode "w" 0.017979 0.000257 0.018236 ( 0.042628) | |
| Iterate and write per line to file (manual), mode "a" 0.018012 0.000126 0.018138 ( 0.039839) | |
| Iterate and write per line to file (manual), mode "w+" 0.018808 0.001389 0.020197 ( 0.046190) | |
| Iterate and write per line to file (manual), mode "a+" 0.020009 0.000105 0.020114 ( 0.050143) | |
| Iterate and write per line to file chunks, mode "w" 0.032448 0.005141 0.037589 ( 0.177057) | |
| Iterate and write per line to file chunks, mode "a" 0.044986 0.007247 0.052233 ( 0.194858) | |
| Iterate and write per line to file chunks, mode "w+" 0.031080 0.006523 0.037603 ( 0.113953) | |
| Iterate and write per line to file chunks, mode "a+" 0.022506 0.002483 0.024989 ( 0.102055) | |
| Iterate and write per line to file chunks (hardcode), mode "w" 0.022638 0.001287 0.023925 ( 0.144586) | |
| Iterate and write per line to file chunks (hardcode), mode "a" 0.020493 0.002158 0.022651 ( 0.119901) | |
| Iterate and write per line to file chunks (hardcode), mode "w+" 0.019646 0.001023 0.020669 ( 0.094777) | |
| Iterate and write per line to file chunks (hardcode), mode "a+" 0.018822 0.001380 0.020202 ( 0.093362) | |
| Iterate and write per line to file chunks (manual), mode "w" 0.022695 0.000775 0.023470 ( 0.096073) | |
| Iterate and write per line to file chunks (manual), mode "a" 0.025606 0.000505 0.026111 ( 0.168614) | |
| Iterate and write per line to file chunks (manual), mode "w+" 0.026715 0.002807 0.029522 ( 0.160476) | |
| Iterate and write per line to file chunks (manual), mode "a+" 0.022942 0.003000 0.025942 ( 0.115456) |
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