Add dt_update_write_interval option - #7221
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JustinRayAngus merged 2 commits intoAug 28, 2026
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This PR fixes a bug from PR #7221 that results in the dt_updates file being overwritten on a restart.
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When
dt_update_intervalis specified, there is the optiondt_update_diagnostic_filewhich turns on writing the updated time size information to a diagnostic file. This adds the new optiondt_update_write_intervalto control when the diagnostic is written out.This PR fixes the initialization of the diagnostic file. It now creates the file and writes the header only during WarpX initialization. Also, any existing file is overwritten except when doing a restart.