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 17.8 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 156 25 69 46.1 51.7 1,653,277 4,764 12 1,069,122 6 798,642 osh-native
parse.abuild 9 1 1 2.6 8.4 101,880 180 2 75,098 1 37,549 osh-native
ex.compute-fib 28 0 2 2.4 7.9 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 182 0 4 10.3 8.7 995,222 27,376 21 50,000 0 3,821 osh-native
ex.abuild-print-help 23 1 2 2.8 8.7 116,289 478 3 85,334 1 42,667 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 6 0 1.4 dash -
23 23 0 3.1 bash -
105 55 56 3.4 zsh -
17 17 0 28.4 bumpleak/osh mut
20 15 4 29.6 _bin/cxx-opt+bumproot/osh mut
22 17 4 29.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 17 12 25.0 osh-native mut+alloc
31 23 8 25.6 osh-native mut+alloc+free
36 32 4 17.8 osh-native mut+alloc+free+gc
38 38 0 18.0 osh-native mut+alloc+free+gc+exit
43 31 12 32.0 _bin/cxx-opt+nopool/osh mut+alloc
48 40 8 22.1 _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 -
78 74 4 3.1 bash -
378 233 166 3.5 zsh -
49 37 12 85.2 bumpleak/osh mut
60 44 16 86.0 _bin/cxx-opt+bumproot/osh mut
70 54 16 86.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 73 24 73.2 osh-native mut+alloc
105 72 32 75.3 osh-native mut+alloc+free
156 136 20 51.7 osh-native mut+alloc+free+gc
159 139 20 52.2 osh-native mut+alloc+free+gc+exit
138 83 55 97.9 _bin/cxx-opt+nopool/osh mut+alloc
223 195 28 73.3 _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 1.3 dash -
6 6 0 3.0 bash -
8 4 4 3.3 zsh -
6 3 3 11.3 bumpleak/osh mut
6 6 0 12.1 _bin/cxx-opt+bumproot/osh mut
7 0 7 10.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 6 3 10.1 osh-native mut+alloc
8 4 4 10.0 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
9 9 0 8.7 osh-native mut+alloc+free+gc+exit
12 12 0 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 9.3 _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 5 5 1.4 dash -
29 28 0 3.0 bash -
24 8 16 3.1 zsh -
19 8 11 31.0 bumpleak/osh mut
26 17 8 31.4 _bin/cxx-opt+bumproot/osh mut
28 16 12 32.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 20 16 26.2 osh-native mut+alloc
38 29 8 26.3 osh-native mut+alloc+free
28 18 11 7.9 osh-native mut+alloc+free+gc
28 28 0 7.7 osh-native mut+alloc+free+gc+exit
54 33 20 35.9 _bin/cxx-opt+nopool/osh mut+alloc
37 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
72 72 0 3.1 bash -
167 111 56 54.2 bumpleak/osh mut
181 112 68 55.8 _bin/cxx-opt+bumproot/osh mut
193 116 76 55.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 135 75 46.8 osh-native mut+alloc
217 128 88 48.7 osh-native mut+alloc+free
182 111 71 8.7 osh-native mut+alloc+free+gc
179 122 57 8.8 osh-native mut+alloc+free+gc+exit
232 164 68 63.3 _bin/cxx-opt+nopool/osh mut+alloc
208 160 48 9.9 _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 6 4 3.4 dash -
19 15 5 4.3 bash -
18 17 1 3.4 zsh -
20 15 5 12.6 bumpleak/osh mut
21 7 15 13.3 _bin/cxx-opt+bumproot/osh mut
20 15 6 12.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 14 8 10.9 osh-native mut+alloc
22 15 8 11.0 osh-native mut+alloc+free
23 14 9 8.7 osh-native mut+alloc+free+gc
24 16 8 9.0 osh-native mut+alloc+free+gc+exit
25 17 8 12.6 _bin/cxx-opt+nopool/osh mut+alloc
26 18 9 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc