Add benchmarking for refinement method and reduce allocations (#213) #1089

Job	Run time
Documentation	9m 53s
Julia lts - ubuntu-latest - x64 - with code coverage	10m 56s
Julia 1 - ubuntu-latest - x64 - push	18m 45s
Julia lts - ubuntu-latest - x64 - push	13m 19s
Julia 1 - macOS-latest - aarch64 - push	19m 40s
Julia 1 - windows-latest - x64 - push	22m 43s
Julia 1 - ubuntu-latest - x64 - with code coverage	17m 48s
	1h 53m 4s

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