bench.jsonnet

std.join(' + ', [std.format('{ xs+: [%d] }', i) for i in std.range(0, 10000)])

bench.sh

#!/bin/bash
set -e

for cmd in jsonnet gojsonnet jrsonnet
do
  echo "====== $cmd ======"
  time $cmd -S bench.jsonnet > generated.jsonnet
  time $cmd --max-stack 30000 generated.jsonnet > /dev/null
  echo
done

result.md

% ./bench.sh                                                                                                                                                                                                 [~/work/jsonnet]
====== jsonnet ======

real    0m12.994s
user    0m12.944s
sys     0m0.050s

real    0m6.480s
user    0m6.370s
sys     0m0.110s

====== gojsonnet ======

real    0m4.752s
user    0m9.713s
sys     0m0.992s

real    0m1.194s
user    0m2.357s
sys     0m0.168s

====== jrsonnet ======

real    0m0.010s
user    0m0.010s
sys     0m0.000s

real    0m0.348s
user    0m0.258s
sys     0m0.089s