"'Cameron D' via weewx-development" <[email protected]> writes:
> My assumption would be that any derivable value that you want to plot > should be a column in the database. Even if you could speed it up, the > calculation it would need to be by a factor approaching 100 to be a useful > choice. > I think that using derived parameters for only a "current" display should > be OK, but as soon as you want to plot it or include it in stats then each > report has to process the year's worth. While I more or less see your point, have you benchmarked the cost of extra database columns vs computing on the fly? In most computers these days I would expect CPU is much faster than storage. Stats though there is a stronger argument for storing it. 1 -- You received this message because you are subscribed to the Google Groups "weewx-development" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/weewx-development/rmir0j64cdd.fsf%40s1.lexort.com.
