| Method | Size | Mean | Error | StdDev | Ratio | Allocated Memory/Op |
|---|---|---|---|---|---|---|
| Dictionary | 0 | 46.35 ns | 0.9763 ns | 1.269 ns | 1.00 | 80 B |
| ImmutableDictionary | 0 | 65.03 ns | 1.3378 ns | 1.251 ns | 1.41 | 0 B |
| ImmutableHashDictionary | 0 | 192.17 ns | 3.8251 ns | 3.757 ns | 4.17 | 40 B |
| Dictionary | 1 | 79.24 ns | 1.3233 ns | 1.238 ns | 1.00 | 248 B |
| ImmutableDictionary | 1 | 263.73 ns | 1.3972 ns | 1.167 ns | 3.32 | 136 B |
| ImmutableHashDictionary | 1 | 240.73 ns | 4.5442 ns | 4.463 ns | 3.04 | 288 B |
| Dictionary | 10 | 241.57 ns | 4.4772 ns | 4.188 ns | 1.00 | 472 B |
| ImmutableDictionary | 10 | 2,581.45 ns | 27.9192 ns | 24.750 ns | 10.71 | 712 B |
| ImmutableHashDictionary | 10 | 552.11 ns | 9.1460 ns | 8.555 ns | 2.29 | 1064 B |
| Dictionary | 100 | 1,757.44 ns | 24.9881 ns | 22.151 ns | 1.00 | 3160 B |
| ImmutableDictionary | 100 | 40,694.37 ns | 803.2922 ns | 788.940 ns | 23.16 | 6472 B |
| ImmutableHashDictionary | 100 | 3,361.60 ns | 45.3226 ns | 42.395 ns | 1.91 | 10264 B |
| Dictionary | 1000 | 16,878.20 ns | 301.6920 ns | 282.203 ns | 1.00 | 31048 B |
| ImmutableDictionary | 1000 | 596,376.87 ns | 9,221.7936 ns | 8,626.071 ns | 35.34 | 64072 B |
| ImmutableHashDictionary | 1000 | 32,284.29 ns | 608.5277 ns | 624.913 ns | 1.91 | 102288 B |
| Dictionary | 10000 | 202,857.95 ns | 2,945.2097 ns | 2,754.951 ns | 1.00 | 283048 B |
| ImmutableDictionary | 10000 | 8,182,551.46 ns | 120,133.2153 ns | 106,494.966 ns | 40.30 | 640072 B |
| ImmutableHashDictionary | 10000 | 430,420.22 ns | 3,323.5302 ns | 2,946.223 ns | 2.12 | 942080 B |