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I'm running a few benchmarks like this:

likwid-powermeter deno run scripts/sets.deno.js 1024

This will return something like this:

Runtime: 2.99816 s
Measure for socket 0 on CPU 0
Domain CORE:
Energy consumed: 39.3306 Joules
Power consumed: 13.1182 Watt
Domain PKG:
Energy consumed: 139.635 Joules
Power consumed: 46.5737 Watt

However, this command line, which should be the same:

likwid-powermeter `which deno` run scripts/sets.deno.js 1024

Takes 8x:

Runtime: 17.4637 s
Measure for socket 0 on CPU 0
Domain CORE:
Energy consumed: 312.243 Joules
Power consumed: 17.8795 Watt
Domain PKG:
Energy consumed: 910.834 Joules
Power consumed: 52.1557 Watt

I have checked with time, and it does not seem to be a problem with deno itself; however, I don't find the same problem with other runtimes or commands. Any idea what could be the problem, or where should I look?

jjmerelo
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