Router Benchmark

Benchmarks for the fastest Node.js routers.

Routers benchmarked:

• anumargak
• find-my-way
• koa-tree-router
• @medley/router
• @parisholley/road-runner
• trek-router

Benchmark Results

Benchmarks run on:

• Node 13.0.1 / V8 7.8
• macOS 10.14.6 Mojave
• Intel Core i7-4770HQ CPU @ 2.20GHz

Simple Benchmark

anumargak x 317,939 ops/sec ±0.22% (96 runs sampled)
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find-my-way x 303,431 ops/sec ±0.15% (98 runs sampled)
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koa-tree-router x 299,203 ops/sec ±0.40% (92 runs sampled)
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medley-router x 731,206 ops/sec ±0.37% (88 runs sampled)
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road-runner x 379,953 ops/sec ±0.17% (88 runs sampled)
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trek-router x 404,003 ops/sec ±0.16% (94 runs sampled)
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Individual route benchmarks

short static - /user
    anumargak x 13,418,550 ops/sec ±0.32% (92 runs sampled)
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    find-my-way x 7,423,956 ops/sec ±0.52% (94 runs sampled)
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    koa-tree-router x 8,830,589 ops/sec ±0.59% (88 runs sampled)
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    medley-router x 13,657,344 ops/sec ±0.37% (96 runs sampled)
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    road-runner x 9,825,708 ops/sec ±0.41% (92 runs sampled)
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    trek-router x 9,737,471 ops/sec ±0.40% (94 runs sampled)
    ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀

short static POST - /user
    anumargak x 13,628,944 ops/sec ±0.18% (92 runs sampled)
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    find-my-way x 7,454,900 ops/sec ±0.52% (92 runs sampled)
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    koa-tree-router x 13,279,207 ops/sec ±0.22% (92 runs sampled)
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    medley-router x 13,642,027 ops/sec ±0.42% (92 runs sampled)
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    road-runner x 16,047,746 ops/sec ±0.38% (93 runs sampled)
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    trek-router x 9,776,729 ops/sec ±0.28% (94 runs sampled)
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static with query string - /user?foobar
    anumargak x 5,358,210 ops/sec ±1.11% (92 runs sampled)
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    find-my-way x 6,808,709 ops/sec ±0.36% (91 runs sampled)
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    koa-tree-router x 5,386,480 ops/sec ±0.26% (92 runs sampled)
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    medley-router x 13,653,037 ops/sec ±0.49% (93 runs sampled)
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    road-runner x 8,780,146 ops/sec ±0.28% (92 runs sampled)
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    trek-router x 8,858,060 ops/sec ±0.38% (94 runs sampled)
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static with common prefix - /users/all
    anumargak x 8,649,398 ops/sec ±0.45% (91 runs sampled)
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    find-my-way x 4,436,718 ops/sec ±0.39% (92 runs sampled)
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    koa-tree-router x 5,356,739 ops/sec ±0.44% (93 runs sampled)
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    medley-router x 9,346,735 ops/sec ±0.29% (91 runs sampled)
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    road-runner x 6,529,986 ops/sec ±0.43% (89 runs sampled)
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    trek-router x 6,467,729 ops/sec ±0.31% (94 runs sampled)
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long static - /an/unnecessarily/long/nested/route/here
    anumargak x 3,226,983 ops/sec ±0.56% (88 runs sampled)
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    find-my-way x 2,975,908 ops/sec ±0.44% (94 runs sampled)
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    koa-tree-router x 2,887,391 ops/sec ±0.36% (93 runs sampled)
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    medley-router x 6,867,557 ops/sec ±0.40% (94 runs sampled)
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    road-runner x 5,739,577 ops/sec ±0.86% (93 runs sampled)
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    trek-router x 6,114,939 ops/sec ±0.42% (94 runs sampled)
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single parameter - /user/:userID
    anumargak x 2,759,486 ops/sec ±0.47% (91 runs sampled)
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    find-my-way x 2,351,232 ops/sec ±0.18% (95 runs sampled)
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    koa-tree-router x 2,227,398 ops/sec ±0.57% (94 runs sampled)
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    medley-router x 5,853,986 ops/sec ±0.18% (94 runs sampled)
    ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀
    road-runner x 3,249,672 ops/sec ±0.20% (95 runs sampled)
    ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀
    trek-router x 3,210,247 ops/sec ±0.69% (96 runs sampled)
    ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀

parameter in the middle - /user/:userID/posts
    anumargak x 2,030,705 ops/sec ±0.18% (95 runs sampled)
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    find-my-way x 1,949,817 ops/sec ±0.39% (92 runs sampled)
    ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀
    koa-tree-router x 1,878,921 ops/sec ±0.21% (90 runs sampled)
    ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀
    medley-router x 4,911,325 ops/sec ±0.21% (93 runs sampled)
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    road-runner x 2,505,958 ops/sec ±0.40% (95 runs sampled)
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    trek-router x 2,614,672 ops/sec ±0.44% (92 runs sampled)
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multiple parameters - /user/:userID/posts/:postID
    anumargak x 1,270,940 ops/sec ±0.41% (91 runs sampled)
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    find-my-way x 1,284,966 ops/sec ±0.22% (95 runs sampled)
    ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀
    koa-tree-router x 1,115,409 ops/sec ±0.17% (92 runs sampled)
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    medley-router x 3,656,225 ops/sec ±0.50% (92 runs sampled)
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    road-runner x 1,426,953 ops/sec ±0.43% (93 runs sampled)
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    trek-router x 1,669,680 ops/sec ±0.56% (91 runs sampled)
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wildcard - /static/*
    anumargak x 1,758,266 ops/sec ±0.25% (94 runs sampled)
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    find-my-way x 2,204,375 ops/sec ±0.20% (96 runs sampled)
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    koa-tree-router x 2,159,931 ops/sec ±0.43% (93 runs sampled)
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    medley-router x 8,322,187 ops/sec ±0.25% (94 runs sampled)
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    road-runner x 3,002,427 ops/sec ±0.50% (93 runs sampled)
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    trek-router x 3,348,716 ops/sec ±0.13% (94 runs sampled)
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route not found (404) - /not-found
    anumargak x 2,013,173 ops/sec ±0.24% (93 runs sampled)
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    find-my-way x 10,368,379 ops/sec ±0.34% (93 runs sampled)
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    koa-tree-router x 7,648,756 ops/sec ±0.40% (94 runs sampled)
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    medley-router x 30,306,800 ops/sec ±0.46% (93 runs sampled)
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    road-runner x 9,930,297 ops/sec ±0.55% (93 runs sampled)
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    trek-router x 10,072,998 ops/sec ±0.60% (93 runs sampled)
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GitHub API Benchmark

find-my-way x 1,621 ops/sec ±0.32% (93 runs sampled)
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medley-router x 4,144 ops/sec ±0.43% (96 runs sampled)
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trek-router x 2,293 ops/sec ±0.41% (93 runs sampled)
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Some routers are not included in these results because they do not support the route structure of GitHub’s API.

Benchmark Normalization

To keep the benchmark comparisons fair, the router implementations are normalized to provide approximately the same set of features. The features that are normalized are how the routers handle query strings and params.

Query Strings

Some of the routers handle being passed the URL with the query string intact while others expect the query string to be removed. The query string gets removed in the benchmark for those that require it to be removed (using the router’s own code when possible).

Params

Most of the routers return matched URL parameters in an object, however, the main find() function of both koa-tree-router and trek-router returns parameters in an array. To normalize this, the benchmark includes converting the array to an object (which is what koa-tree-router actually does in a different part of its codebase, so that code is used directly in the benchmark).

Not Normalized

There are other differences between the routers that cannot be normalized, though these differences generally have a negligible effect on performance. Some of these differences include:

• find-my-way URI-decodes param values; the other routers do not
• The routers support different route path features and syntax
  • find-my-way, @medley/router, and trek-router support static path parts that overlap dynamic path parts (params/wildcards) while anumargak, koa-tree-router, and road-runner do not support this
  • anumargak and find-my-way support regex matchers
  • road-runner supports wildcards in the middle of the route
• anumargak, find-my-way, and road-runner support versioned routes