buildBuild is a benchmark that examines compiler and linker performance.
driverPackage driver provides common benchmarking logic shared between benchmarks.
garbageGarbage is a benchmark that stresses garbage collector.
httpHTTP is a benchmark that examines client/server http performance.
jsonJSON benchmark marshals and unmarshals ~2MB json string with a tree-like object hierarchy, in 4*GOMAXPROCS goroutines.

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