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 37 5 10 12.0 18.0 476,682 1,282 6 408,752 5 204,376 osh-native
parse.configure-coreutils 178 25 78 46.1 51.7 1,653,270 4,764 12 1,069,118 6 798,640 osh-native
parse.abuild 9 1 1 2.6 8.4 101,873 180 2 75,094 1 37,547 osh-native
ex.compute-fib 28 0 2 2.6 8.0 584,138 31,810 12 50,000 0 2,824 osh-native
ex.bashcomp-parse-help 186 0 4 10.6 8.5 995,215 27,376 21 50,000 0 3,819 osh-native
ex.abuild-print-help 31 2 5 2.8 8.9 116,282 478 3 85,330 1 42,665 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 6 0 1.6 dash -
23 19 4 3.0 bash -
104 65 45 3.4 zsh -
16 8 8 28.8 bumpleak/osh mut
20 15 4 29.5 _bin/cxx-opt+bumproot/osh mut
22 18 4 29.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 17 13 25.0 osh-native mut+alloc
32 24 8 25.4 osh-native mut+alloc+free
37 33 4 18.0 osh-native mut+alloc+free+gc
38 21 17 18.0 osh-native mut+alloc+free+gc+exit
45 41 4 32.0 _bin/cxx-opt+nopool/osh mut+alloc
50 46 4 22.0 _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 18 4 1.6 dash -
77 77 0 3.1 bash -
377 199 198 3.7 zsh -
50 46 4 84.7 bumpleak/osh mut
59 51 8 86.2 _bin/cxx-opt+bumproot/osh mut
69 57 12 85.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 65 32 73.6 osh-native mut+alloc
106 77 28 75.3 osh-native mut+alloc+free
178 170 8 51.7 osh-native mut+alloc+free+gc
167 143 24 52.1 osh-native mut+alloc+free+gc+exit
141 100 40 98.3 _bin/cxx-opt+nopool/osh mut+alloc
222 190 32 73.1 _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 1.3 dash -
6 6 0 2.9 bash -
8 0 8 3.3 zsh -
6 3 3 11.8 bumpleak/osh mut
6 3 3 12.2 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 6 3 10.0 osh-native mut+alloc
9 9 0 10.1 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
9 5 5 8.7 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
13 8 4 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 7 3 1.4 dash -
28 28 0 2.9 bash -
24 16 8 3.3 zsh -
19 15 4 30.9 bumpleak/osh mut
25 21 4 33.3 _bin/cxx-opt+bumproot/osh mut
29 20 8 33.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 24 12 26.3 osh-native mut+alloc
39 31 8 26.7 osh-native mut+alloc+free
28 24 4 8.0 osh-native mut+alloc+free+gc
29 29 0 7.9 osh-native mut+alloc+free+gc+exit
56 20 36 35.7 _bin/cxx-opt+nopool/osh mut+alloc
37 37 0 9.4 _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
74 65 8 3.1 bash -
166 138 28 54.2 bumpleak/osh mut
178 111 67 55.1 _bin/cxx-opt+bumproot/osh mut
194 125 69 55.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 139 71 47.1 osh-native mut+alloc
218 137 81 48.9 osh-native mut+alloc+free
186 130 55 8.5 osh-native mut+alloc+free+gc
183 131 52 8.8 osh-native mut+alloc+free+gc+exit
234 181 52 63.1 _bin/cxx-opt+nopool/osh mut+alloc
208 156 52 10.1 _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 9 2 3.4 dash -
20 10 10 4.5 bash -
18 16 3 3.4 zsh -
18 11 8 11.2 bumpleak/osh mut
20 13 7 11.9 _bin/cxx-opt+bumproot/osh mut
22 11 11 12.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 8 15 10.9 osh-native mut+alloc
23 21 3 10.9 osh-native mut+alloc+free
31 22 10 8.9 osh-native mut+alloc+free+gc
24 16 9 8.7 osh-native mut+alloc+free+gc+exit
25 17 9 12.5 _bin/cxx-opt+nopool/osh mut+alloc
27 24 3 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc