FWIW: Consider telling the compiler to optimize, and redo your benchmark.

Back somewhere around 2007 I inherited a program that did extensive text/string manipulation. It ran slowly, but optimizing made a huge difference. There is, of course, no guarantee it will help now, but it doesn't cost much to try.


On 10/29/2018 1:25 PM, James H. H. Lampert wrote:
Ladies and Gentlemen:

I've just found a large bottleneck in that project I keep talking about in vague terms, that involves feeding data from a file to a web service.

It seems that I've got a rather large varlen string field (max length just under 16k) that can contain multiple paragraphs, and unlimited punctuation. And it seems that most of my time is spent escaping that string: over three minutes for a 1000-record test, with individual record escape times ranging from 5 milliseconds to 1.6 seconds.

There's got to be a faster way to escape long strings for JSON transmission than what I'm doing (within RPG).

Any suggestions? (Other than "Retire to the back-country and live in a wigwam"?)


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