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Performance.md

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#Performance

Setup

Template

childCount={{level1.Count}}
childCount2={{level1.Count}}
{{#each level1}}
    id={{id}}
    childCount={{level2.Count}}
    childCount2={{level2.Count}}
    index=[{{@../../index}}:{{@../index}}:{{@index}}]
    first=[{{@../../first}}:{{@../first}}:{{@first}}]
    last=[{{@../../last}}:{{@../last}}:{{@last}}]
    {{#each level2}}
        id={{id}}
        childCount={{level3.Count}}
        childCount2={{level3.Count}}
        index=[{{@../../index}}:{{@../index}}:{{@index}}]
        first=[{{@../../first}}:{{@../first}}:{{@first}}]
        last=[{{@../../last}}:{{@../last}}:{{@last}}]
        {{#each level3}}
            id={{id}}
            index=[{{@../../index}}:{{@../index}}:{{@index}}]
            first=[{{@../../first}}:{{@../first}}:{{@first}}]
            last=[{{@../../last}}:{{@../last}}:{{@last}}]
        {{/each}}
    {{/each}}    
{{/each}}

Input example

{
  "level1": [
    {
      "id": "0",
      "level2": [
        {
          "id": "0-0",
          "level3": [
            {
              "id": "0-0-0"
            }
          ]
        }
      ]
    }
  ]
}

Environment

BenchmarkDotNet=v0.12.0, OS=Windows 10.0.17763.973 (1809/October2018Update/Redstone5), VM=Hyper-V
Intel Xeon CPU E5-2640 v3 2.60GHz, 1 CPU, 16 logical and 16 physical cores
.NET Core SDK=3.1.100
  [Host]     : .NET Core 2.1.13 (CoreCLR 4.6.28008.01, CoreFX 4.6.28008.01), X64 RyuJIT
  Job-GBTPJU : .NET Core 3.1.0 (CoreCLR 4.700.19.56402, CoreFX 4.700.19.56404), X64 RyuJIT

Runtime=.NET Core 3.1

Legend

Version

1.10.1 - Handlebars.Net version

current - current handlebars.csharp version

current-cache - current handlebars.csharp version with aggressive caching (Default)

current-fast - current handlebars.csharp version with CompileFast feature

current-fast-cache - current handlebars.csharp version with CompileFast feature and aggressive caching

N

Number of items on each level of the input.

Results

Compilation

Method Version Mean Error StdDev Gen 0 Gen 1 Gen 2 Allocated
Template 1.10.1 26.270 ms 0.4970 ms 0.4406 ms 375.0000 187.5000 - 3900.8 KB
Template current 13.723 ms 0.2681 ms 0.2238 ms 62.5000 31.2500 - 735.62 KB
Template current-fast 3.078 ms 0.0615 ms 0.0862 ms 78.1250 39.0625 - 804.66 KB

Execution

Method N Version DataType Mean Error StdDev Gen 0 Gen 1 Gen 2 Allocated
WithParentIndex 2 1.10.1 dictionary 385.33 us 6.026 us 5.342 us 11.7188 0.4883 - 120.58 KB
WithParentIndex 2 1.10.1 object 363.27 us 7.111 us 6.984 us 9.7656 0.4883 - 102.74 KB
WithParentIndex 2 current dictionary 49.35 us 0.973 us 1.396 us 1.0376 - - 11.19 KB
WithParentIndex 2 current object 63.92 us 1.221 us 1.454 us 1.0986 - - 11.61 KB
WithParentIndex 2 current-cache dictionary 45.84 us 0.810 us 0.718 us 1.0376 - - 11.19 KB
WithParentIndex 2 current-cache object 54.90 us 1.509 us 1.338 us 1.0986 - - 11.61 KB
WithParentIndex 2 current-fast dictionary 52.31 us 1.005 us 1.307 us 1.0376 - - 11.19 KB
WithParentIndex 2 current-fast object 64.17 us 1.238 us 1.325 us 1.0986 - - 11.61 KB
WithParentIndex 2 current-fast-cache dictionary 43.94 us 0.863 us 0.765 us 1.0376 - - 11.19 KB
WithParentIndex 2 current-fast-cache object 53.77 us 0.840 us 0.744 us 1.0986 - - 11.61 KB
Method N Version DataType Mean Error StdDev Gen 0 Gen 1 Gen 2 Allocated
WithParentIndex 5 1.10.1 dictionary 3,436.11 us 68.128 us 88.585 us 101.5625 23.4375 - 1111.08 KB
WithParentIndex 5 1.10.1 object 3,492.48 us 68.605 us 93.907 us 93.7500 23.4375 - 1002.9 KB
WithParentIndex 5 current dictionary 369.02 us 7.016 us 6.563 us 9.7656 1.4648 - 103.43 KB
WithParentIndex 5 current object 496.41 us 9.794 us 14.659 us 9.7656 0.9766 - 105.54 KB
WithParentIndex 5 current-cache dictionary 356.12 us 6.967 us 7.744 us 9.7656 1.4648 - 103.43 KB
WithParentIndex 5 current-cache object 418.22 us 7.863 us 8.075 us 10.2539 1.4648 - 105.54 KB
WithParentIndex 5 current-fast dictionary 375.19 us 6.064 us 5.672 us 9.7656 1.4648 - 103.43 KB
WithParentIndex 5 current-fast object 479.95 us 9.304 us 8.248 us 9.7656 0.9766 - 105.54 KB
WithParentIndex 5 current-fast-cache dictionary 350.70 us 7.537 us 7.050 us 9.7656 1.4648 - 103.43 KB
WithParentIndex 5 current-fast-cache object 403.11 us 6.821 us 6.381 us 10.2539 1.4648 - 105.54 KB
Method N Version DataType Mean Error StdDev Gen 0 Gen 1 Gen 2 Allocated
WithParentIndex 10 1.10.1 dictionary 25,667.09 us 572.214 us 723.667 us 687.5000 250.0000 93.7500 7482.11 KB
WithParentIndex 10 1.10.1 object 22,741.41 us 437.277 us 486.033 us 656.2500 218.7500 125.0000 6919.99 KB
WithParentIndex 10 current dictionary 2,513.83 us 50.250 us 53.767 us 136.7188 109.3750 109.3750 701.46 KB
WithParentIndex 10 current object 2,827.85 us 55.088 us 77.226 us 136.7188 109.3750 109.3750 709.18 KB
WithParentIndex 10 current-cache dictionary 2,203.95 us 43.770 us 48.650 us 136.7188 109.3750 109.3750 701.43 KB
WithParentIndex 10 current-cache object 2,530.40 us 49.594 us 81.485 us 136.7188 109.3750 109.3750 709.24 KB
WithParentIndex 10 current-fast dictionary 2,264.14 us 45.091 us 83.578 us 136.7188 109.3750 109.3750 701.53 KB
WithParentIndex 10 current-fast object 2,906.42 us 57.859 us 91.770 us 136.7188 109.3750 109.3750 709.22 KB
WithParentIndex 10 current-fast-cache dictionary 2,164.81 us 40.893 us 45.452 us 136.7188 109.3750 109.3750 701.49 KB
WithParentIndex 10 current-fast-cache object 2,497.93 us 49.739 us 88.412 us 136.7188 109.3750 109.3750 709.18 KB