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 18.0 476,688 1,282 6 408,754 5 204,377 osh-native
parse.configure-coreutils 154 27 66 46.1 51.6 1,653,276 4,764 12 1,069,120 6 798,641 osh-native
parse.abuild 9 1 1 2.6 8.5 101,879 180 2 75,096 1 37,548 osh-native
ex.compute-fib 29 0 2 2.6 7.7 584,144 31,810 12 50,000 0 2,825 osh-native
ex.bashcomp-parse-help 180 0 3 10.6 8.7 995,221 27,376 21 50,000 0 3,820 osh-native
ex.abuild-print-help 22 1 2 2.8 9.0 116,288 478 3 85,332 1 42,666 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 -
24 23 0 3.1 bash -
105 61 51 3.4 zsh -
17 12 4 28.1 bumpleak/osh mut
19 11 8 29.1 _bin/cxx-opt+bumproot/osh mut
22 15 7 28.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 18 11 25.2 osh-native mut+alloc
32 31 0 25.7 osh-native mut+alloc+free
36 28 8 18.0 osh-native mut+alloc+free+gc
36 36 0 17.8 osh-native mut+alloc+free+gc+exit
43 23 20 31.8 _bin/cxx-opt+nopool/osh mut+alloc
48 37 11 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
22 21 0 1.6 dash -
77 69 8 3.3 bash -
378 204 194 3.5 zsh -
49 45 4 85.8 bumpleak/osh mut
59 47 12 85.6 _bin/cxx-opt+bumproot/osh mut
70 58 12 86.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 47 51 73.3 osh-native mut+alloc
106 78 27 75.4 osh-native mut+alloc+free
154 134 20 51.6 osh-native mut+alloc+free+gc
157 120 36 52.2 osh-native mut+alloc+free+gc+exit
139 99 40 97.6 _bin/cxx-opt+nopool/osh mut+alloc
221 189 32 70.8 _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 2.9 bash -
8 8 0 3.3 zsh -
6 6 0 10.3 bumpleak/osh mut
6 3 3 12.4 _bin/cxx-opt+bumproot/osh mut
7 0 7 11.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 9 0 10.1 osh-native mut+alloc
9 3 6 10.1 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 6 3 8.5 osh-native mut+alloc+free+gc+exit
12 8 4 11.3 _bin/cxx-opt+nopool/osh mut+alloc
11 11 0 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 28 0 2.9 bash -
23 19 4 3.3 zsh -
19 15 4 30.9 bumpleak/osh mut
25 21 4 32.0 _bin/cxx-opt+bumproot/osh mut
28 20 8 31.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 20 16 26.2 osh-native mut+alloc
38 25 13 26.6 osh-native mut+alloc+free
29 28 0 7.7 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
54 41 12 36.1 _bin/cxx-opt+nopool/osh mut+alloc
36 36 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
75 71 4 3.1 bash -
169 108 60 55.7 bumpleak/osh mut
182 122 59 54.9 _bin/cxx-opt+bumproot/osh mut
194 131 63 55.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 112 100 47.0 osh-native mut+alloc
219 143 76 48.8 osh-native mut+alloc+free
180 104 76 8.7 osh-native mut+alloc+free+gc
181 113 68 8.5 osh-native mut+alloc+free+gc+exit
231 170 61 63.2 _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 8 2 3.7 dash -
20 14 7 4.5 bash -
18 7 11 3.5 zsh -
19 17 2 11.8 bumpleak/osh mut
20 12 8 12.2 _bin/cxx-opt+bumproot/osh mut
20 11 9 11.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 16 6 10.9 osh-native mut+alloc
23 11 11 11.1 osh-native mut+alloc+free
22 20 2 9.0 osh-native mut+alloc+free+gc
23 18 5 9.0 osh-native mut+alloc+free+gc+exit
25 12 13 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 19 6 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc