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Given on assignment: Exist interface "IListSerializer" and class "ListNode".
Task: to implement "IListSerializer" with as efficient methods as possible and with minimal memory allocation.

Benchmark:

Method Size Mean Ratio Completed Work Items Lock Contentions Allocated
'V1: single thread algorithm on Dictionary' 1000 661.5 μs 1.00 1.0000 0.0010 1.6 MB
'V2(smallest by memory): multi thread algorithm' 1000 2,053.9 μs 3.10 59.0000 - 1.48 MB
'V3 (compromise): multi thread algorithm)' 1000 746.8 μs 1.13 59.0000 0.0088 1.5 MB
'V1: single thread algorithm on Dictionary' 2500 5,156.3 μs 1.00 1.0000 - 10.95 MB
'V2(smallest by memory): multi thread algorithm' 2500 13,927.5 μs 2.55 59.0000 - 10.64 MB
'V3 (compromise): multi thread algorithm)' 2500 5,190.5 μs 0.96 59.0000 - 10.72 MB
'V1: single thread algorithm on Dictionary' 5000 23,710.2 μs 1.00 1.0000 - 42.68 MB
'V2(smallest by memory): multi thread algorithm' 5000 49,084.5 μs 2.08 59.0000 - 42.03 MB
'V3 (compromise): multi thread algorithm)' 5000 19,846.0 μs 0.84 59.0000 - 42.19 MB
'V1: single thread algorithm on Dictionary' 10000 57,550.0 μs 1.00 1.0000 - 168.28 MB
'V2(smallest by memory): multi thread algorithm' 10000 193,388.9 μs 3.36 59.0000 - 166.97 MB
'V3 (compromise): multi thread algorithm)' 10000 63,795.9 μs 1.11 59.0000 - 167.29 MB
'V1: single thread algorithm on Dictionary' 50000 947,925.7 μs 1.00 1.0000 - 3012.49 MB
'V2(smallest by memory): multi thread algorithm' 50000 4,590,753.2 μs 4.84 59.0000 - 3006.37 MB
'V3 (compromise): multi thread algorithm)' 50000 1,041,195.0 μs 1.10 59.0000 - 3007.87 MB

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Another test task from a nameless company with great ambitions, recognized market leaders and blah blah .. .

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