Memory Management Overhead

Source code: oils/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 31 4 11 12.0 18.4 471,263 1,282 6 413,142 5 206,571 osh-native
parse.configure-cpython 34 4 11 12.0 18.6 471,263 1,282 6 413,150 5 206,575 osh-nosouffle
parse.configure-coreutils 128 21 61 45.9 51.7 1,638,002 4,764 12 1,056,640 6 787,841 osh-native
parse.configure-coreutils 136 21 62 45.9 52.4 1,638,001 4,764 12 1,056,648 6 787,845 osh-nosouffle
parse.abuild 8 1 2 2.6 8.8 102,791 180 3 86,628 1 43,314 osh-native
parse.abuild 9 1 2 2.6 9.2 102,791 180 3 86,636 1 43,318 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.5 572,115 22,608 12 50,000 0 2,982 osh-native
ex.compute-fib 25 0 2 2.8 8.8 572,115 22,608 12 50,000 0 2,985 osh-nosouffle
ex.bashcomp-parse-help 172 0 5 11.6 9.0 990,261 15,258 21 50,000 0 3,965 osh-native
ex.bashcomp-parse-help 179 0 6 11.6 9.8 990,260 15,258 21 50,000 0 3,969 osh-nosouffle
ex.abuild-print-help 18 1 2 3.0 9.6 117,219 277 3 83,990 1 41,995 osh-native
ex.abuild-print-help 19 1 2 3.0 10.1 117,218 277 3 83,998 1 41,999 osh-nosouffle

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
5 5 0 1.8 dash -
11 10 1 3.4 bash -
67 35 37 3.5 zsh -
16 10 6 29.7 bumpleak/osh mut
17 10 8 30.7 _bin/cxx-opt+bumproot/osh mut
19 14 6 30.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 13 9 25.4 osh-native mut+alloc
25 18 6 26.0 osh-native mut+alloc+free
31 24 7 18.4 osh-native mut+alloc+free+gc
32 26 6 18.4 osh-native mut+alloc+free+gc+exit
25 16 8 26.1 osh-nosouffle mut+alloc
27 21 6 26.2 osh-nosouffle mut+alloc+free
34 27 6 18.6 osh-nosouffle mut+alloc+free+gc
35 33 2 18.9 osh-nosouffle mut+alloc+free+gc+exit
33 20 13 33.6 _bin/cxx-opt+nopool/osh mut+alloc
44 34 10 22.7 _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
18 17 1 1.7 dash -
38 36 2 3.5 bash -
234 158 90 3.5 zsh -
50 35 15 85.6 bumpleak/osh mut
54 40 14 86.0 _bin/cxx-opt+bumproot/osh mut
62 43 19 86.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
71 43 28 73.8 osh-native mut+alloc
81 55 26 75.8 osh-native mut+alloc+free
128 108 19 51.7 osh-native mut+alloc+free+gc
134 111 22 52.4 osh-native mut+alloc+free+gc+exit
80 54 26 74.2 osh-nosouffle mut+alloc
91 71 20 76.0 osh-nosouffle mut+alloc+free
136 115 21 52.4 osh-nosouffle mut+alloc+free+gc
142 125 17 52.9 osh-nosouffle mut+alloc+free+gc+exit
108 80 28 98.7 _bin/cxx-opt+nopool/osh mut+alloc
184 159 25 71.3 _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
1 1 1 1.7 dash -
3 2 1 3.3 bash -
5 5 0 3.4 zsh -
6 3 3 12.9 bumpleak/osh mut
6 2 4 11.4 _bin/cxx-opt+bumproot/osh mut
7 5 2 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
7 5 2 10.6 osh-native mut+alloc
7 3 4 10.9 osh-native mut+alloc+free
8 4 5 8.8 osh-native mut+alloc+free+gc
9 6 3 8.9 osh-native mut+alloc+free+gc+exit
8 3 4 11.0 osh-nosouffle mut+alloc
8 4 5 11.3 osh-nosouffle mut+alloc+free
9 9 0 9.2 osh-nosouffle mut+alloc+free+gc
10 7 3 9.4 osh-nosouffle mut+alloc+free+gc+exit
9 7 2 11.9 _bin/cxx-opt+nopool/osh mut+alloc
11 9 2 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
9 9 0 1.6 dash -
29 27 2 3.4 bash -
16 13 3 3.5 zsh -
19 13 6 33.0 bumpleak/osh mut
20 15 5 32.7 _bin/cxx-opt+bumproot/osh mut
23 17 6 33.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 16 10 26.9 osh-native mut+alloc
28 22 6 27.1 osh-native mut+alloc+free
20 18 2 8.5 osh-native mut+alloc+free+gc
20 19 1 8.4 osh-native mut+alloc+free+gc+exit
31 25 5 27.4 osh-nosouffle mut+alloc
34 22 11 27.8 osh-nosouffle mut+alloc+free
25 24 1 8.8 osh-nosouffle mut+alloc+free+gc
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc+exit
40 27 13 36.4 _bin/cxx-opt+nopool/osh mut+alloc
29 24 4 9.7 _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
96 93 3 3.4 bash -
172 144 28 56.4 bumpleak/osh mut
182 153 29 57.3 _bin/cxx-opt+bumproot/osh mut
188 160 28 58.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
194 155 39 49.1 osh-native mut+alloc
205 169 36 50.9 osh-native mut+alloc+free
172 156 16 9.0 osh-native mut+alloc+free+gc
173 163 10 9.2 osh-native mut+alloc+free+gc+exit
204 161 43 49.4 osh-nosouffle mut+alloc
211 172 39 51.2 osh-nosouffle mut+alloc+free
179 155 24 9.8 osh-nosouffle mut+alloc+free+gc
177 156 21 9.7 osh-nosouffle mut+alloc+free+gc+exit
219 171 48 65.5 _bin/cxx-opt+nopool/osh mut+alloc
206 186 20 10.5 _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
7 5 2 3.9 dash -
13 6 7 4.7 bash -
12 7 5 3.9 zsh -
15 10 6 14.2 bumpleak/osh mut
16 8 8 14.1 _bin/cxx-opt+bumproot/osh mut
16 9 8 13.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
16 8 8 11.7 osh-native mut+alloc
18 10 8 11.7 osh-native mut+alloc+free
18 11 7 9.6 osh-native mut+alloc+free+gc
19 9 10 9.6 osh-native mut+alloc+free+gc+exit
17 9 9 12.2 osh-nosouffle mut+alloc
19 10 9 12.3 osh-nosouffle mut+alloc+free
19 11 8 10.1 osh-nosouffle mut+alloc+free+gc
19 12 8 10.1 osh-nosouffle mut+alloc+free+gc+exit
19 13 7 13.1 _bin/cxx-opt+nopool/osh mut+alloc
20 11 10 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc