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 4 10 12.0 18.1 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 146 22 60 44.6 49.9 1,653,299 4,764 12 1,030,676 6 769,422 osh-native
parse.abuild 9 1 1 2.6 8.5 101,902 180 2 75,134 1 37,567 osh-native
ex.compute-fib 28 0 1 2.4 7.9 584,167 31,810 12 50,000 0 2,842 osh-native
ex.bashcomp-parse-help 179 0 3 10.3 8.8 995,244 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 3 3 1.6 dash -
24 23 0 3.0 bash -
106 56 56 3.3 zsh -
16 12 4 28.6 bumpleak/osh mut
20 16 4 29.8 _bin/cxx-opt+bumproot/osh mut
23 22 0 29.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 15 15 24.9 osh-native mut+alloc
32 20 12 25.6 osh-native mut+alloc+free
36 28 8 18.1 osh-native mut+alloc+free+gc
37 32 4 18.0 osh-native mut+alloc+free+gc+exit
43 31 12 33.2 _bin/cxx-opt+nopool/osh mut+alloc
48 44 4 22.2 _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
22 21 0 1.6 dash -
78 78 0 3.1 bash -
380 247 153 3.4 zsh -
49 44 4 83.9 bumpleak/osh mut
60 51 8 86.0 _bin/cxx-opt+bumproot/osh mut
69 54 15 86.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 48 48 73.6 osh-native mut+alloc
106 74 31 75.3 osh-native mut+alloc+free
146 142 4 49.9 osh-native mut+alloc+free+gc
151 127 24 50.4 osh-native mut+alloc+free+gc+exit
138 101 36 97.7 _bin/cxx-opt+nopool/osh mut+alloc
208 172 36 68.2 _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 6 0 2.9 bash -
8 0 7 3.4 zsh -
6 0 6 11.4 bumpleak/osh mut
7 3 3 11.2 _bin/cxx-opt+bumproot/osh mut
7 7 0 12.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 0 9 10.0 osh-native mut+alloc
9 9 0 10.1 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 3 6 8.7 osh-native mut+alloc+free+gc+exit
11 11 0 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 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
11 11 0 1.4 dash -
29 29 0 2.9 bash -
24 24 0 3.3 zsh -
19 12 8 32.2 bumpleak/osh mut
26 21 4 32.6 _bin/cxx-opt+bumproot/osh mut
28 28 0 32.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 33 4 26.2 osh-native mut+alloc
38 23 15 26.5 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
28 24 4 7.9 osh-native mut+alloc+free+gc+exit
53 37 16 36.0 _bin/cxx-opt+nopool/osh mut+alloc
38 33 4 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
74 74 0 3.1 bash -
167 111 56 55.7 bumpleak/osh mut
179 108 72 56.1 _bin/cxx-opt+bumproot/osh mut
193 114 78 56.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 129 81 47.0 osh-native mut+alloc
215 151 64 48.6 osh-native mut+alloc+free
179 123 56 8.8 osh-native mut+alloc+free+gc
180 124 56 8.8 osh-native mut+alloc+free+gc+exit
232 124 108 62.4 _bin/cxx-opt+nopool/osh mut+alloc
209 145 64 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 7 3 3.4 dash -
19 15 5 4.5 bash -
18 6 12 3.5 zsh -
18 7 11 11.6 bumpleak/osh mut
20 15 5 12.4 _bin/cxx-opt+bumproot/osh mut
22 12 10 13.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 15 6 11.0 osh-native mut+alloc
23 10 13 11.0 osh-native mut+alloc+free
22 17 5 8.9 osh-native mut+alloc+free+gc
23 18 5 9.0 osh-native mut+alloc+free+gc+exit
24 11 13 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 12 14 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc