| 1 | #!/usr/bin/env bash
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| 2 | #
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| 3 | # Benchmarks for YSH JSON
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| 4 | #
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| 5 | # Usage:
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| 6 | # benchmarks/ysh-for.sh <function name>
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| 7 | #
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| 8 | # TODO: All of these can use BYO
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| 9 | #
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| 10 | # - benchmarks/ysh-for
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| 11 | # - benchmarks/ysh-json
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| 12 | # - benchmarks/io/read-lines.sh # buffered and unbuffered, not hooked up
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| 13 | # - benchmarks/compute
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| 14 | # - control-flow with exceptions - slower than other shells
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| 15 | # - word-split - faster
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| 16 | #
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| 17 | # Also:
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| 18 | # - ovm-build should be added to CI
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| 19 |
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| 20 | set -o nounset
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| 21 | set -o pipefail
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| 22 | set -o errexit
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| 23 |
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| 24 | YSH=_bin/cxx-opt/ysh
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| 25 | OSH=_bin/cxx-opt/osh
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| 26 |
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| 27 | readonly JSON_FILE=_tmp/github-issues.json
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| 28 |
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| 29 | fetch-issues() {
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| 30 | # only gets 25 issues by default
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| 31 | # https://docs.github.com/en/rest/issues?apiVersion=2022-11-28
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| 32 |
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| 33 | local n=${1:-100}
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| 34 | local url="https://api.github.com/repos/oils-for-unix/oils/issues?per_page=$n"
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| 35 |
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| 36 | curl $url > $JSON_FILE
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| 37 |
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| 38 | ls -l -h $JSON_FILE
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| 39 | }
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| 40 |
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| 41 | with-ysh() {
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| 42 | ninja $YSH
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| 43 |
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| 44 | # TODO: turn this into some bigger data
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| 45 |
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| 46 | # 262 ms
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| 47 | time $YSH -c '
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| 48 | for i in (1 ..= 1000) {
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| 49 | json read < $1
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| 50 | }
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| 51 | ' dummy $JSON_FILE
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| 52 | }
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| 53 |
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| 54 | with-cpython() {
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| 55 | local prog='
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| 56 | import json
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| 57 | import sys
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| 58 | for i in range(1000):
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| 59 | with open(sys.argv[1]) as f:
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| 60 | json.load(f)
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| 61 | '
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| 62 |
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| 63 | # 391 ms
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| 64 | time python2 -c "$prog" $JSON_FILE
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| 65 |
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| 66 | # 175 ms
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| 67 | time python3 -c "$prog" $JSON_FILE
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| 68 | }
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| 69 |
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| 70 | with-js() {
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| 71 | # 195 ms, minus ~100 ms startup time = 90 ms
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| 72 | time cat $JSON_FILE | nodejs -e '
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| 73 | var fs = require("fs")
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| 74 | var stdin = fs.readFileSync(0, "utf-8")
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| 75 |
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| 76 | for (let i = 0; i < 1000; ++i) {
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| 77 | JSON.parse(stdin)
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| 78 | }
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| 79 | '
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| 80 |
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| 81 | # 100 ms startupt ime
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| 82 | time nodejs -e 'console.log("hi")'
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| 83 |
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| 84 | }
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| 85 |
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| 86 | with-jq() {
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| 87 | # TODO: make the data bigger
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| 88 |
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| 89 | # jq is also printing it here - we can take the length
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| 90 | time jq '. | length' < $JSON_FILE
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| 91 | }
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| 92 |
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| 93 |
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| 94 | compare() {
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| 95 | local n=${1:-1000000}
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| 96 | local OILS_GC_STATS=${2:-}
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| 97 |
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| 98 | ninja $OSH $YSH
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| 99 |
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| 100 | for bin in ysh cpython js jq; do
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| 101 | echo "=== $bin ==="
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| 102 | with-$bin
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| 103 | echo
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| 104 | done
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| 105 | }
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| 106 |
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| 107 | "$@"
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