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 18.0 476,714 1,282 6 408,802 5 204,401 osh-native
parse.configure-coreutils 146 22 58 44.6 50.0 1,653,302 4,764 12 1,030,686 6 769,427 osh-native
parse.abuild 9 1 1 2.6 8.7 101,905 180 2 75,144 1 37,572 osh-native
ex.compute-fib 28 0 1 2.4 8.0 584,170 31,810 12 50,000 0 2,848 osh-native
ex.bashcomp-parse-help 180 0 3 10.3 8.8 995,247 27,376 21 50,000 0 3,829 osh-native
ex.abuild-print-help 22 1 2 2.8 8.9 116,314 478 3 85,380 1 42,690 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 -
24 20 4 3.1 bash -
104 60 50 3.4 zsh -
16 12 4 29.0 bumpleak/osh mut
19 19 0 29.8 _bin/cxx-opt+bumproot/osh mut
22 13 9 29.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 22 7 25.0 osh-native mut+alloc
31 19 12 25.6 osh-native mut+alloc+free
35 35 0 18.0 osh-native mut+alloc+free+gc
36 32 4 18.0 osh-native mut+alloc+free+gc+exit
43 31 12 32.8 _bin/cxx-opt+nopool/osh mut+alloc
46 31 15 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 1.4 dash -
78 74 4 3.1 bash -
375 195 203 3.5 zsh -
48 36 12 85.2 bumpleak/osh mut
60 56 4 84.8 _bin/cxx-opt+bumproot/osh mut
70 57 12 86.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 65 32 73.4 osh-native mut+alloc
106 81 24 75.3 osh-native mut+alloc+free
146 118 28 50.0 osh-native mut+alloc+free+gc
148 125 23 50.7 osh-native mut+alloc+free+gc+exit
138 106 32 99.2 _bin/cxx-opt+nopool/osh mut+alloc
202 165 36 67.0 _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 0 7 3.4 zsh -
6 6 0 10.6 bumpleak/osh mut
6 3 3 12.4 _bin/cxx-opt+bumproot/osh mut
8 8 0 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 0 8 10.1 osh-native mut+alloc
8 8 0 10.1 osh-native mut+alloc+free
9 9 0 8.7 osh-native mut+alloc+free+gc
9 4 4 8.5 osh-native mut+alloc+free+gc+exit
11 8 4 11.3 _bin/cxx-opt+nopool/osh mut+alloc
11 4 7 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 10 0 1.4 dash -
30 30 0 2.9 bash -
24 20 4 3.3 zsh -
19 5 14 32.4 bumpleak/osh mut
26 21 4 32.4 _bin/cxx-opt+bumproot/osh mut
28 28 0 31.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 33 4 26.3 osh-native mut+alloc
38 25 12 26.5 osh-native mut+alloc+free
28 24 4 8.0 osh-native mut+alloc+free+gc
28 24 4 7.9 osh-native mut+alloc+free+gc+exit
54 27 27 35.9 _bin/cxx-opt+nopool/osh mut+alloc
37 33 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
73 65 8 3.1 bash -
168 112 56 54.3 bumpleak/osh mut
181 132 48 54.8 _bin/cxx-opt+bumproot/osh mut
193 117 76 55.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
213 140 72 47.1 osh-native mut+alloc
218 147 71 48.7 osh-native mut+alloc+free
180 120 60 8.8 osh-native mut+alloc+free+gc
180 132 48 8.8 osh-native mut+alloc+free+gc+exit
232 176 56 63.6 _bin/cxx-opt+nopool/osh mut+alloc
207 158 49 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 9 1 3.4 dash -
19 14 5 4.5 bash -
18 9 9 3.5 zsh -
17 10 8 13.0 bumpleak/osh mut
19 14 5 11.6 _bin/cxx-opt+bumproot/osh mut
20 15 5 11.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 15 6 10.9 osh-native mut+alloc
22 11 12 11.1 osh-native mut+alloc+free
22 12 10 8.9 osh-native mut+alloc+free+gc
22 18 5 9.0 osh-native mut+alloc+free+gc+exit
24 16 8 12.7 _bin/cxx-opt+nopool/osh mut+alloc
24 17 8 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc