On 26.03.2020 16:02, Robert Elz wrote: > EVery extra env var has a cost in every exec of absolutely everything.
As this is true.. but as I have benchmarked it. For true(1) on amd64, we execute 0.05% more instructions for extra TMPDIR environment variable. $ ./singlestepper true Total count: 1286742 $ TMPDIR=/tmp ./singlestepper true Total count: 1287399 That is negligible cost of getting TMPDIR propagated to most programs.
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