Oliver Medhurst

@honk.foo

2608 Followers 579 Following

compiling javascript: https://porffor.dev + browser security

A table: method median error mean error words ≤300ms off ↓ autolrc + line anchors 32 ms 70 ms 97.2% autolrc 34 ms 190 ms 95.8% dafx (2025) 41 ms 216 ms 95.2% kglw (2025) — 200 ms 94% gupta et al. (2020) 50 ms 220 ms 94% huang et al. (2022) — 230 ms 94% hx-ih (2023) 43 ms 160 ms 93% mstre-net (2021) — 310 ms 93% spotify (2023) — 150 ms 92% vaglio et al. (2020) — 370 ms 92% hx-d (2023) 43 ms 420 ms 89% stoller et al. (2019) — 820 ms 85%
"autolrc.honk.foo 1 - 1.14 MiB"
Porffor selfhost rewrite graphs, before vs after. bundle lines 40.4K→24.7K (1.6x smaller) bundle size 2.4MB→2.0MB (1.2x smaller) C lines 1.6M→289.0K (5.5x smaller) C size 70.4MB→12.3MB (5.7x smaller) debug compile time 5.0s→1.2s (4.1x faster) release compile time 143.2s→37.1s (3.9x faster) debug binary size 52.4MB→13.6MB (3.8x smaller) release binary size 14.1MB→4.6MB (3.1x smaller).
bundle 24.57K lines (+0.00%) 2.04MB (+0.01%) c 288.52K lines (+0.01%) 12.29MB (+0.02%) binary 4.56MB (+0.00%)
selfhosted now vs 2.1h ago bundle 24.49K lines (-5.18%) 2.00MB (-9.22%) c 387.65K lines (-24.33%) 15.09MB (-40.88%) binary 4.86MB (-48.60%)
> function* foo() { console.log('pre yield 1'); yield 1; console.log('pre yield 2'); yield 2; console.log('end'); } > let x = foo() > x.next() pre yield 1 { value: 1, done: false } > x.next() pre yield 2 { value: 2, done: false } > x.next() end { value: undefined, done: true }
Description compiling javascript: https://porffor.dev + occasional browser security
Scenario Nanbox Struct Winner Sequential write numbers 0.031199 s 0.061291 s Nanbox, 1.96x faster Sequential read numbers 0.125784 s 0.148851 s Nanbox, 1.18x faster Sequential read + write numbers 0.030615 s 0.061146 s Nanbox, 2.00x faster Sequential write mixed values 0.073787 s 0.108784 s Nanbox, 1.47x faster Sequential read mixed values 0.151721 s 0.156975 s Nanbox, 1.03x faster Type scan mixed values 0.039022 s 0.057213 s Nanbox, 1.47x faster Copy array 0.045452 s 0.093518 s Nanbox, 2.06x faster Random read numbers 0.774604 s 0.908102 s Nanbox, 1.17x faster Random read mixed values 0.934132 s 1.299783 s Nanbox, 1.39x faster Random read + write numbers 0.811805 s 0.914708 s Nanbox, 1.13x faster
Short name Mean time Delta NaN box 779.8 ms 1.00x struct 126.0 ms 6.19x faster
Speedup column with values: 2.2×, 1.4×, 2.6×, 1.6×, 2.8×, 3.2×, 3.0×, 2.2×, 3.2×, 1.1×, 1.4×
scenario (n=20k) old wasm new wasm Δ old native new native Δ insert string keys 933ms 8ms 117× 442ms 4ms 111× lookup string keys 9153ms* 29ms 316× 3141ms* 22ms 143× int keys 3532ms* 41ms 86× 1412ms* 26ms 54× object keys 3524ms* 17ms 207× 1445ms* 10ms 145× set dedup 476ms* 6ms 79× 244ms* 3ms 81× delete/add churn 4051ms* 11ms 368× 2030ms* 8ms 254×
A graph with RSS as Y axis and threads as X axis. It increases linearly bottom left to top right. Footer shows: "1.00M threads · 15.9 GB · 16 KB/thread · 0.7 µs/start"
[5.48s] compiled selfhosted/porf bundle 37.44K lines (-0.10%) 2.17MB (-0.08%) c 1.639M lines (-0.16%) 72.84MB (-0.16%) binary 53.75MB (-0.11%)
honk@gosling porffor % ./selfhost compile --release [384ms] bun selfhosted/build.mjs [4.43s] ./porf c --gc -d --profile-compiler selfhosted/bundle.js selfhosted/stage1.c [58.08s] make -j8 -f selfhosted/stage1.split/Makefile [63.08s] compiled selfhosted/porf bundle 37.48K lines (+0.00%) 2.18MB (+0.00%) c 1.644M lines (+0.00%) 73.03MB (+0.00%) binary 19.82MB (-63.20%)
[5.39s] compiled selfhosted/porf bundle 37.51K lines (+0.15%) 2.18MB (+0.09%) c 1.644M lines (-0.58%) 73.04MB (-0.47%) binary 53.86MB (-0.70%)
[6.18s] compiled selfhosted/porf bundle 37.46K lines (+0.04%) 2.18MB (-0.02%) c 1.653M lines (-17.40%) 73.38MB (-17.76%) binary 54.24MB (-12.32%)
[6.67s] compiled selfhosted/porf bundle 37.31K lines (+0.07%) 2.18MB (+0.08%) c 2.024M lines (-8.16%) 90.01MB (-5.90%) binary 62.27MB (-7.90%)
[6.74s] compiled selfhosted/porf bundle 37.31K lines (+0.08%) 2.17MB (+0.07%) c 2.094M lines (-5.00%) 92.96MB (-2.82%) binary 63.61MB (-5.91%)
A terminal screenshot: [7.07s] compiled selfhosted/porf bundle 37.42K lines (-0.21K) 2.18MB (-3.2KB) c 2.204M lines (-6.06K) 95.66MB (-0.26MB) binary 67.61MB (-0.2MB)
./elysia_new Latency #1 median 0.377 ms, p90 0.525 ms, p99 0.909 ms Throughput (req/s) #1 overall 118411.4, p10 110169.6, p1 69386.1 Memory usage #1 peak 7.80 MB, median 6.91 MB CPU time / req #1 median 8.26 µs, p90 8.51 µs, p99 8.61 µs Binary size #2 6.07 MB Startup #1 7.630 ms ./elysia_old Latency #2 median 0.443 ms, p90 0.528 ms, p99 0.942 ms Throughput (req/s) #2 overall 104255.5, p10 95517.0, p1 67389.8 Memory usage #2 peak 16.50 MB, median 16.48 MB CPU time / req #2 median 9.46 µs, p90 9.60 µs, p99 9.62 µs Binary size #1 5.80 MB Startup #2 21.27 ms
a markdown table: precompiled.js size json (before): 3.05MB huffman: 1.30MB change: -57.2% array interning: 1.17MB change: -10.5% final diff: -61.7% selfhost bundle size json (before): 4.15MB huffman: 2.40MB change: -42.0% array interning: 2.29MB change: -4.9% final diff: -44.8% selfhost binary size json (before): 34.28MB huffman: 33.22MB change: -3.1% array interning: 28.12MB change: -15.4% final diff: -18.0% selfhost compiling globalThis time json (before): 725.5ms huffman: 601.5ms change: -17.1% array interning: 574.3ms change: -4.5% final diff: -20.8% selfhost compiling globalThis rss json (before): 233.7MB huffman: 144.1MB change: -38.3% array interning: 141.4MB change: -1.9% final diff: -39.5%
./hono_new Latency #1 median 0.417 ms, p90 0.451 ms, p99 0.867 ms App #1 median 0.003 ms, p90 0.003 ms, p99 0.004 ms Throughput (req/s) #1 overall 115719.0, p10 109517.8, p1 82189.2 Memory usage #1 peak 3.58 MB, median 3.56 MB CPU time / req #1 median 8.58 µs, p90 8.61 µs, p99 8.62 µs Binary size #2 731.1 KB Startup #1 7.322 ms ./hono_old Latency #2 median 0.433 ms, p90 0.471 ms, p99 0.898 ms App #1 median 0.003 ms, p90 0.003 ms, p99 0.004 ms Throughput (req/s) #2 overall 111291.0, p10 105300.5, p1 75054.0 Memory usage #2 peak 3.91 MB, median 3.89 MB CPU time / req #2 median 8.90 µs, p90 9.11 µs, p99 9.23 µs Binary size #1 650.4 KB Startup #2 7.486 ms
selfhost old new diff ---------------- ---------- ---------- -------------- parse 70 70 same codegen 1591 1576 1.01x faster opt 4219 612 6.90x faster assemble 269 269 1.00x slower 2c 2116 1626 1.30x faster total 8449 4330 1.95x faster
A terminal screenshot with "compareStrings ToString b type=7" repeated.. a lot
A large detailed flamegraph
A terminal screenshot showing: hot: 5 lines in scheduler_schedule account for 27% of runtime --> bench/richards.js:180 | 178 | Scheduler.prototype.schedule = function scheduler_schedule() { 179 | this.currentTcb = this.list; 180 | while (this.currentTcb != null) { | ^^^^^^^^^^^^^^^ 3% of runtime 181 | if (this.currentTcb.isHeldOrSuspended()) { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 10% of runtime 182 | this.currentTcb = this.currentTcb.link; | ^^^^^^^^^^^^^^^^^^^^ 3% of runtime 183 | } else { 184 | this.currentId = this.currentTcb.id; | ^^^^^^^^^^^^^^^^^^ 4% of runtime 185 | this.currentTcb = this.currentTcb.run(); | ^^^^^^^^^^^^^^^^^^^^^ 6% of runtime 186 | } 187 | } | = note: object lookup accounts for 81% of these lines' time
A latency graph over time with legend to the right: "p50 924us, p90 1.56ms, p99 1.97ms"
Screenshot of a terminal: honk@gosling porffor % bat hello.js console.log('hello world!') honk@gosling porffor % node runtime/index.js native hello.js foo [138ms] compiled hello.js -> foo (33.5KB) honk@gosling porffor % mv foo porf_on_node honk@gosling porffor % /tmp/selfhost native hello.js foo > /dev/null honk@gosling porffor % mv foo porf_on_porf honk@gosling porffor % sha256sum porf_on* 50f96a9114b76d3e556a3e1ab73d32d05cca499801b86d61efcf283c5bbcaaee porf_on_node 50f96a9114b76d3e556a3e1ab73d32d05cca499801b86d61efcf283c5bbcaaee porf_on_porf
A tooltip for the sparkle button says "Agentic(tm) mode" but "Agentic" is in comic sans
A screenshot of a code review app. It shows a diff center stage with a file sidebar and a header saying unstaged changes with a line diff viewable. There is also a refresh button and a sparkles button.
"Non-empty lines 226,814"
"7 files changed +0 -1069"
A screenshot of https://goose.icu/porffor-closures/
% du -h hello hello_trimmed 168K hello 120K hello_trimmed % du -h hono hono_trimmed 668K hono 296K hono_trimmed % du -h elysia elysia_trimmed 5.9M elysia 1.3M elysia_trimmed
rest: 94.632 ms -> 0.196 ms 99.79% less time, 482.7x faster spread: 99.442 ms -> 2.277 ms 97.71% less time, 43.7x faster
A graph of memory usage for different containers over time, it starts at ~7mb, with a few drops in between the end, just under 4mb.
A screenshot of a graph showing the memory usage of 2 replicas of porffor.dev over a short time period, it is flat. porffor-dev 1 is using 590 KiB and porffor-dev 2 is using 620 KiB
A graph showing memory usage of porffor.dev containers. Half way through, it drops dramatically with a dashed line.
./hello Latency #1 median 0.120 ms, p90 0.137 ms, p99 0.239 ms █▇▁ ▂███▅▂▁ Throughput (req/s) #1 overall 390315.5, p10 358635.7, p1 270529.2 ▁ █ ▁▁▂▄▆█▇▇█▅ Memory usage #2 peak 4.14 MB, median 4.14 MB █ ▂█ CPU time / req #1 median 1.67 µs, p90 1.68 µs, p99 1.70 µs █ ▄ ▄ █ ▄ █ ▄ Binary size #1 178.7 KB Startup #2 5.335 ms ./hello_musl Latency #2 median 0.127 ms, p90 0.141 ms, p99 0.247 ms ▃█ ▁███▆▂▁ Throughput (req/s) #2 overall 376197.9, p10 353609.2, p1 267334.6 ▁ █ ▂▅█▅▇█▁ Memory usage #1 peak 740.0 KB, median 736.0 KB █ █ CPU time / req #2 median 1.79 µs, p90 1.82 µs, p99 1.84 µs ▃ █ ▅ ▅ █ ▅ █ ▅ Binary size #2 772.5 KB Startup #1 4.897 ms
Screenshot of terminal with the output of a benchmark script: ./hello_rewritealloc Latency #1 median 0.127 ms, p90 0.142 ms, p99 0.254 ms ▁▂█▅ ▁████▇▃▁ Throughput (req/s) #1 overall 378130.0, p10 346460.5, p1 238971.8 ▄▁█ ▂▃▆████▂█▆ Memory usage #1 peak 4.14 MB, median 4.13 MB █ ▄ ▄▄▄▄█▄ CPU time / req #1 median 1.75 µs, p90 1.82 µs, p99 1.84 µs █ █ █ █ █ █ █ █ █ █ Binary size #1 178.7 KB Startup #1 5.264 ms ./hello_rewriteobjectaccess Latency #2 median 0.132 ms, p90 0.142 ms, p99 0.258 ms ▂█▄ ▁████▅▁ Throughput (req/s) #2 overall 369900.7, p10 347703.7, p1 313816.8 █▂ ▁▃▇██▃▆▇ Memory usage #2 peak 4.35 MB, median 4.34 MB █ ▃ ▃▃▃ █▃ CPU time / req #2 median 1.83 µs, p90 1.90 µs, p99 1.92 µs ▃ ▃ █ █ ▅ █ █ ▅ Binary size #2 194.7 KB Startup #2 5.653 ms
A screenshot of a terminal benchmark: ./hello_rewriteobjectaccess Latency #1 median 0.132 ms, p90 0.144 ms, p99 0.262 ms ▆█▂ ▁▆███▄▁▁ Throughput (req/s) #1 overall 365908.2, p10 339958.4, p1 262535.5 ▄█ ▁ ▁▂▁▁▂▄███▇█▁ Memory usage #1 peak 4.35 MB, median 4.35 MB █ ▅ ▆ █ CPU time / req #1 median 1.84 µs, p90 1.90 µs, p99 1.94 µs █ █ █ █ Binary size #1 194.7 KB Startup #1 12.63 ms ./hello Latency #2 median 0.134 ms, p90 0.148 ms, p99 0.270 ms ▃█▇ ▁▆███▆▃▁ Throughput (req/s) #2 overall 361300.4, p10 333547.7, p1 268384.8 █▁ ▁▁▁▂▅▇██▆▅▅▁▁ Memory usage #2 peak 4.37 MB, median 4.36 MB █ ▆ █ ▅ CPU time / req #2 median 1.86 µs, p90 1.93 µs, p99 1.94 µs █ █ █ █ █ █ █ █ Binary size #2 210.7 KB Startup #2 12.83 ms
A screenshot of a terminal: 212K hello 196K hello_rewriteobjectaccess
A stacked graph of memory usage for containers. The legend table reads: "blog 1: 2.45 MiB, blog 2: 2.46 MiB, porffor-dev 1: 1.11 MiB, porffor-dev 2: 1.13 MiB"
A screenshot of porffor.dev showing "This page is served by a Porffor-compiled TS binary! ... uptime 1w 11h"
A Grafana dashboard showing several spikes and loads over a 1 hour window. There is req/s, egress, response time, CPU and memory usage visible. There are no errors :)
A screenshot of a terminal with neat looking stats and histograms comparing the http servers. ./[redacted]_gcopts Latency #1 median 0.560 ms, p90 0.875 ms, p99 8.976 ms █▂ ██▂▁ App #1 median 0.003 ms, p90 0.003 ms, p99 0.006 ms █ ▃ █ █ ▁ ▁ ▁ Throughput (req/s) #1 overall 65123.7, p10 7708.9, p1 67.2 ▂▄▆█▅ ▇▃▂▃▃▃▂ ▂▃▃▃▂▁▂▂▃▅▇█████ Memory usage #1 peak 5.98 MB, median 5.92 MB █ █ ▆ ▇ ▇ █ █ █ █ █ CPU time / req #1 median 10.4 µs, p90 10.6 µs, p99 10.6 µs █ █ █ █ █ █ █ █ █ █ Binary size #1 938.7 KB Startup #1 13.52 ms ./[redacted] Latency #2 median 0.606 ms, p90 0.966 ms, p99 9.212 ms █ ▁█▁▁ App #2 median 0.004 ms, p90 0.006 ms, p99 0.008 ms ▂█ ██ ▃ ▁ ▁ Throughput (req/s) #2 overall 60130.5, p10 6901.9, p1 67.7 ▄█ ▅▁▁▂▂▂▁ ▁▂▂▁▁▁▁▁▃▅▆▆██ Memory usage #1 peak 5.98 MB, median 5.95 MB █ ▇ ▆ ▇ ▇ █ █ █ █ █ CPU time / req #2 median 11.1 µs, p90 11.9 µs, p99 12.1 µs █ ██ █ Binary size #1 938.7 KB Startup #2 14.40 ms
A screenshot of a terminal with neat looking stats and histograms comparing the http servers. The top binary is >10x faster! ./[redacted] Latency #1 median 0.608 ms, p90 1.001 ms, p99 9.315 ms ▁█ ██▃ App #1 median 0.004 ms, p90 0.006 ms, p99 0.008 ms ▁ █ █ █ ▃ ▁ ▁ Throughput (req/s) #1 overall 59533.7, p10 6504.1, p1 67.5 ▂▃█▆ █▁▂▂▂▂▂▁▁ ▁▂▃▃▃▁▁▁▁▁▃▃▄▆█████ Memory usage #1 peak 5.96 MB, median 5.88 MB █ █ CPU time / req #1 median 11.5 µs, p90 11.6 µs, p99 11.6 µs █ █ Binary size #1 938.7 KB Startup #1 20.53 ms ./[redacted]_21_324 Latency #2 median 7.541 ms, p90 11.17 ms, p99 15.06 ms █ ▃█▁ ▁▃ ▂▁ App #1 median 0.004 ms, p90 0.006 ms, p99 0.009 ms █ ▂ █ ▁ ▁ ▂ Throughput (req/s) #2 overall 5927.1, p10 4359.3, p1 3670.8 ▁█ ▁██ Memory usage #2 peak 17.13 MB, median 17.13 MB █ █ CPU time / req #2 median 165 µs, p90 165 µs, p99 165 µs █ █ Binary size #2 1.76 MB Startup #2 48.14 ms
A screenshot of a terminal with neat looking stats and histograms comparing the 2 http servers binaries. ./hello_opts Latency #1 median 0.224 ms, p90 0.391 ms, p99 0.517 ms ▅█▇▂ ▂████▇▅▃▂▁▁▁▁ ▁ ▁▁▁▁▁▁▁▁▁▁▁ Throughput (req/s) #1 overall 196416.2, p10 116802.9, p1 96370.7 ▃▄▁▃▅█▅▁▁▃ ▁ ▁▄▆▂▃▄▂▃▃▃▁▁▂▁▂▁▁▁▃▃▅█▅▆██████████▇▄█▂▁ Memory usage #1 peak 4.38 MB, median 4.36 MB █ ▁ █ █ █ █ CPU time / req #1 median 3.24 µs, p90 3.52 µs, p99 3.61 µs █ █ █ █ █ █ █ █ Binary size #1 214.7 KB Startup #2 13.92 ms ./hello Latency #2 median 0.233 ms, p90 0.397 ms, p99 0.530 ms ▆██▄▁ ▂█████▇▆▄▃▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁ Throughput (req/s) #2 overall 189188.6, p10 116990.1, p1 94769.2 ▁▃▃▂▁▅▇▃█▆▂▁▄▃ ▁▃█▅▃▃▅▆▃▂▃▂▃▂▆▅▅▅▅█▆██████████████▇▆▇▂▁ Memory usage #1 peak 4.38 MB, median 4.38 MB █ ▅ ▅ █ CPU time / req #2 median 3.34 µs, p90 3.56 µs, p99 3.60 µs █ ██ █ █ █ ██ █ █ Binary size #2 218.7 KB Startup #1 13.84 ms
A screenshot of a terminal with neat looking stats and histograms comparing the http servers. The top binary "./hello_gcdebt" is noticeably faster. ./hello_gcdebt Latency #1 median 0.225 ms, p90 0.360 ms, p99 0.446 ms ▆█▅▂ ▄█████▆▃▂▁▁▁ ▁▁▁▁▁▂▁ Throughput (req/s) #1 overall 201404.2, p10 132225.0, p1 117740.5 ▅▅▆█▇▇▇▆ ▅▇▅▃▃▂▂▂▄▃▃▅█████████▇▅ Memory usage #1 peak 4.38 MB, median 4.37 MB █ ▃ ▃ ▃▃ ▃▃ ▃ ▃▃ █ ▆ CPU time / req #1 median 3.19 µs, p90 3.34 µs, p99 3.46 µs █ █ █ █████████ █ █ █ █ Binary size #1 218.7 KB Startup #1 13.50 ms ./hello Latency #2 median 0.245 ms, p90 0.334 ms, p99 0.478 ms ▁▇█▇▄▂ ▁██████▆▃▁▁▁▁▁ ▁▁▁▁▁ Throughput (req/s) #2 overall 188982.0, p10 137936.5, p1 111054.9 ▄▅▆█▂▅ ▃▅▂▁▂▂▂▂▂▂▄███████▇▄▄ Memory usage #1 peak 4.38 MB, median 4.38 MB █ ▂ ▂▂ ▂ █ ▂ CPU time / req #2 median 3.46 µs, p90 3.70 µs, p99 3.93 µs ▃ █ ▅ █▅ █▅ ▅ ▅ ▅▅ ▅▅ Binary size #1 218.7 KB Startup #2 13.61 ms
A typescript file: export function fetch() { throw new Error('wow error oh noes'); return new Response('Hello World'); }
A screenshot of Grafana dashboard with a huge spike of requests and most graphs rising intensely. CPU usage spiked to ~22% of one core and P99 response time spiked to 9ms. req/s peaked and sustained at 3K.
A mobile screenshot of a regular corporate-y looking status page with a purple theme/tint. It shows multiple services with the regular bars for each day in the last 90 days, but everything except the latest day is gray. The two services "porffor.dev" and "goose.icu" drop-down into status by replica and a graph of response time. There is also an empty list of past incidents by date.
A screenshot of a Grafana dashboard featuring load balancing, resource usage by replica, status codes, response times, and more
A Grafana screenshot showing: - req/s and egress per app - status code distribution - response times - power usage - cpu and memory usage per replica - porffor RSS per replica - porffor memory details per app
A screenshot of porffor.dev: new! This page is served by a Porffor-compiled TS binary! [live stats] memory 4.0mb | binary 287kb | requests 210 | uptime 3h 21m
A graph of Porffor cold starts. P50: 16.3ms, P90: 27.5ms, P99: 41.1ms.
Porffor's graph of Test262 passing over time, currently at 60.30%
fuzzing complete 🧪 78500 | 🤠 92% | ❌ 0.0% | 💀 0.33% | 🏗️ 3.7% | 💥 0.0% | ⏰ 3.6% | 📝 0.0% 3.6% timeout 2.3% CompileError: WebAssembly.Module(): Compiling function #0 failed: expected 2 elements on the stack for branch, found 0 0.68% CompileError: WebAssembly.Module(): Compiling function #0 failed: invalid branch depth: 3 0.39% CompileError: WebAssembly.Module(): Compiling function #0 failed: invalid branch depth: 4294967295 0.23% CompileError: WebAssembly.Module(): Compiling function #0 failed: invalid branch depth: 4 0.23% RangeError: Maximum call stack size exceeded 0.10% RuntimeError: memory access out of bounds 0.059% CompileError: WebAssembly.Module(): Compiling function #0 failed: invalid branch depth: 5 0.023% CompileError: WebAssembly.Module(): Compiling function #0 failed: invalid branch depth: 6 0.0025% CompileError: WebAssembly.Module(): Compiling function #0 failed: invalid branch depth: 8
Screenshot of a terminal showing: ~/porffor$ node test262 test: 29837/50424 passed - 59.17% (+0.45) (14 to go until 59.2%, 417 to go until 60%) 29837 7425 12893 🧪 50424 | 🤠 29837 (+227) | ❌ 7425 (-71) | 💀 12878 (-157) | 📝 0 | ⏰ 15 (+1) | 🏗️ 7 | 💥 262
~/porffor$ node bench/avg.js 10 "node --jitless bench/richards.js" 313 ~/porffor$ node bench/avg.js 10 "./porf bench/richards.js" 272