Memory Management Overhead

Source code: oil/benchmarks/gc.sh

GC Stats

task elapsed ms max gc millis total gc millis allocated MB max rss MB num allocated num gc points num gc done gc threshold num growths max survived shell label
parse.configure-cpython 36 3 9 12.0 17.8 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 159 27 71 44.6 49.9 1,653,299 4,764 12 1,030,676 6 769,422 osh-native
parse.abuild 9 1 2 2.6 8.4 101,902 180 2 75,134 1 37,567 osh-native
ex.compute-fib 29 0 1 2.4 7.9 584,167 31,810 12 50,000 0 2,842 osh-native
ex.bashcomp-parse-help 181 0 4 10.3 8.7 995,244 27,376 21 50,000 0 3,824 osh-native
ex.abuild-print-help 22 1 2 2.8 8.9 116,311 478 3 85,370 1 42,685 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 6 0 1.4 dash -
24 19 4 3.0 bash -
104 55 55 3.3 zsh -
17 16 0 28.0 bumpleak/osh mut
20 20 0 28.2 _bin/cxx-opt+bumproot/osh mut
22 22 0 29.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
34 26 7 24.9 osh-native mut+alloc
31 19 12 25.7 osh-native mut+alloc+free
36 31 4 17.8 osh-native mut+alloc+free+gc
37 25 12 18.0 osh-native mut+alloc+free+gc+exit
44 28 16 32.7 _bin/cxx-opt+nopool/osh mut+alloc
51 31 19 22.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

parse.configure-coreutils

Parsing the autoconf-generated configure script from GNU coreutils.

Note that unlike other shells, osh -n retains all nodes on purpose. (See the parser benchmark).

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
21 21 0 1.6 dash -
77 77 0 3.3 bash -
379 183 217 3.5 zsh -
50 42 8 85.0 bumpleak/osh mut
61 49 11 85.5 _bin/cxx-opt+bumproot/osh mut
70 62 8 86.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 55 43 73.4 osh-native mut+alloc
107 74 33 75.3 osh-native mut+alloc+free
159 115 44 49.9 osh-native mut+alloc+free+gc
157 144 12 50.6 osh-native mut+alloc+free+gc+exit
140 104 36 99.3 _bin/cxx-opt+nopool/osh mut+alloc
225 197 28 68.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

parse.abuild

Parsing abuild from Alpine Linux.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
2 2 0 1.4 dash -
6 3 3 3.0 bash -
8 0 7 3.3 zsh -
15 0 15 10.4 bumpleak/osh mut
12 8 4 11.5 _bin/cxx-opt+bumproot/osh mut
13 14 0 12.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 10.1 osh-native mut+alloc
9 6 3 10.1 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
10 3 6 8.5 osh-native mut+alloc+free+gc+exit
12 4 8 11.3 _bin/cxx-opt+nopool/osh mut+alloc
12 4 8 9.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

ex.compute-fib

A synthetic benchmark for POSIX shell arithmetic.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
10 10 0 1.4 dash -
29 25 4 2.9 bash -
24 12 12 3.4 zsh -
19 12 8 32.2 bumpleak/osh mut
26 22 4 32.0 _bin/cxx-opt+bumproot/osh mut
28 16 12 32.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 24 12 26.1 osh-native mut+alloc
39 23 16 26.5 osh-native mut+alloc+free
29 25 4 7.9 osh-native mut+alloc+free+gc
29 18 11 7.9 osh-native mut+alloc+free+gc+exit
55 31 23 36.0 _bin/cxx-opt+nopool/osh mut+alloc
38 38 0 9.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

ex.bashcomp-parse-help

A realistic bash-completion workload.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
73 65 8 3.1 bash -
169 125 43 55.0 bumpleak/osh mut
180 112 68 54.5 _bin/cxx-opt+bumproot/osh mut
195 127 68 56.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 144 68 47.0 osh-native mut+alloc
218 111 107 48.8 osh-native mut+alloc+free
181 133 47 8.7 osh-native mut+alloc+free+gc
181 144 36 8.7 osh-native mut+alloc+free+gc+exit
232 164 68 64.0 _bin/cxx-opt+nopool/osh mut+alloc
208 148 60 10.2 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

ex.abuild-print-help

Running abuild -h from Alpine Linux.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
10 10 0 3.5 dash -
20 13 7 4.3 bash -
18 15 4 3.5 zsh -
20 8 13 12.8 bumpleak/osh mut
19 18 2 13.6 _bin/cxx-opt+bumproot/osh mut
22 12 10 13.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 16 6 10.9 osh-native mut+alloc
23 11 12 11.0 osh-native mut+alloc+free
22 20 3 8.9 osh-native mut+alloc+free+gc
23 14 9 9.0 osh-native mut+alloc+free+gc+exit
26 14 11 12.7 _bin/cxx-opt+nopool/osh mut+alloc
26 21 5 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc