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 35 3 9 12.0 18.0 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 148 24 61 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 8.4 101,902 180 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 181 0 3 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 9.0 116,311 478 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 1.6 dash -
23 19 4 3.0 bash -
105 63 49 3.4 zsh -
17 12 4 29.9 bumpleak/osh mut
20 16 4 28.9 _bin/cxx-opt+bumproot/osh mut
22 19 4 30.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 11 18 25.0 osh-native mut+alloc
32 24 8 25.6 osh-native mut+alloc+free
35 30 4 18.0 osh-native mut+alloc+free+gc
38 23 15 18.1 osh-native mut+alloc+free+gc+exit
44 24 20 32.2 _bin/cxx-opt+nopool/osh mut+alloc
50 29 21 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 22 0 1.6 dash -
77 77 0 3.1 bash -
379 205 194 3.5 zsh -
49 41 8 84.0 bumpleak/osh mut
60 48 12 84.6 _bin/cxx-opt+bumproot/osh mut
70 61 8 86.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 65 33 73.4 osh-native mut+alloc
108 92 16 75.0 osh-native mut+alloc+free
148 124 24 49.9 osh-native mut+alloc+free+gc
157 149 8 50.6 osh-native mut+alloc+free+gc+exit
139 99 40 98.3 _bin/cxx-opt+nopool/osh mut+alloc
214 174 40 67.3 _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
2 2 0 1.4 dash -
6 3 3 3.0 bash -
8 4 4 3.4 zsh -
6 6 0 11.6 bumpleak/osh mut
7 7 0 11.6 _bin/cxx-opt+bumproot/osh mut
8 4 4 12.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 10.0 osh-native mut+alloc
9 3 6 10.1 osh-native mut+alloc+free
9 5 5 8.4 osh-native mut+alloc+free+gc
10 10 0 8.7 osh-native mut+alloc+free+gc+exit
12 4 8 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 6 6 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 1.6 dash -
29 29 0 2.9 bash -
23 23 0 3.4 zsh -
19 19 0 32.6 bumpleak/osh mut
26 22 4 31.9 _bin/cxx-opt+bumproot/osh mut
28 20 8 32.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 29 8 26.3 osh-native mut+alloc
38 19 19 26.6 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
54 31 23 35.9 _bin/cxx-opt+nopool/osh mut+alloc
38 33 4 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 69 4 3.1 bash -
168 100 68 54.1 bumpleak/osh mut
181 120 60 55.9 _bin/cxx-opt+bumproot/osh mut
194 133 61 56.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
209 149 60 47.0 osh-native mut+alloc
219 163 56 48.7 osh-native mut+alloc+free
181 105 76 8.7 osh-native mut+alloc+free+gc
181 125 56 8.5 osh-native mut+alloc+free+gc+exit
230 161 69 63.8 _bin/cxx-opt+nopool/osh mut+alloc
208 144 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 -
20 14 6 4.2 bash -
18 12 6 3.4 zsh -
18 16 2 13.2 bumpleak/osh mut
21 12 9 13.0 _bin/cxx-opt+bumproot/osh mut
20 11 10 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 20 3 11.0 osh-native mut+alloc
23 16 7 11.0 osh-native mut+alloc+free
22 14 8 9.0 osh-native mut+alloc+free+gc
23 18 5 9.0 osh-native mut+alloc+free+gc+exit
24 14 11 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 23 3 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc