/ go Public
x/build: record and collect compiler benchmarks #17167
x/build issues (builders, bots, dashboards)
Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.
Recently we added a -bench flag to cmd/compile to benchmark compiler phases. It might be interesting if the builders used this flag and then persisted the output file so we could monitor compiler performance over time.
There's a risk that measuring the standard library compile time is confounded with changes to the standard library, but I think only a couple packages (runtime, net, net/http) still seem under active development. So it's probably still a decent signal.
/cc @bradfitz @griesemer
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