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 25 3 8 12.2 17.9 478,359 1,282 6 428,228 5 214,114 osh-native
parse.configure-coreutils 93 14 33 46.2 51.7 1,660,610 4,764 10 1,189,390 7 594,695 osh-native
parse.abuild 6 0 1 2.7 8.5 102,532 180 2 75,968 1 37,984 osh-native
ex.compute-fib 21 0 1 3.0 7.8 651,800 31,810 13 50,000 0 2,829 osh-native
ex.bashcomp-parse-help 110 0 3 12.3 8.6 1,077,990 27,375 23 50,000 0 3,938 osh-native
ex.abuild-print-help 14 0 2 2.9 9.1 117,524 477 3 85,988 1 42,994 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
4 4 0 1.5 dash -
16 16 0 3.1 bash -
65 38 31 3.5 zsh -
12 12 0 28.2 bumpleak/osh mut
14 14 0 29.3 _bin/cxx-opt+bumproot/osh mut
16 12 4 29.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 16 4 25.1 osh-native mut+alloc
22 21 0 25.6 osh-native mut+alloc+free
25 17 8 17.9 osh-native mut+alloc+free+gc
25 13 13 18.1 osh-native mut+alloc+free+gc+exit
28 16 12 33.2 _bin/cxx-opt+nopool/osh mut+alloc
34 34 0 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
15 15 0 1.6 dash -
55 55 0 3.4 bash -
220 132 100 3.5 zsh -
37 20 16 85.9 bumpleak/osh mut
45 40 4 85.0 _bin/cxx-opt+bumproot/osh mut
51 27 23 86.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
65 57 8 74.0 osh-native mut+alloc
72 64 8 76.0 osh-native mut+alloc+free
93 76 16 51.7 osh-native mut+alloc+free+gc
100 84 16 52.4 osh-native mut+alloc+free+gc+exit
97 77 20 99.6 _bin/cxx-opt+nopool/osh mut+alloc
138 117 20 69.4 _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 0 1 1.7 dash -
4 4 0 3.0 bash -
4 4 0 3.4 zsh -
4 4 0 11.5 bumpleak/osh mut
5 4 0 11.7 _bin/cxx-opt+bumproot/osh mut
5 5 0 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
5 5 0 10.0 osh-native mut+alloc
6 6 0 10.0 osh-native mut+alloc+free
6 6 0 8.5 osh-native mut+alloc+free+gc
6 3 3 8.6 osh-native mut+alloc+free+gc+exit
7 7 0 11.4 _bin/cxx-opt+nopool/osh mut+alloc
8 8 0 9.4 _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
7 4 4 1.5 dash -
20 20 0 3.0 bash -
14 14 0 3.5 zsh -
15 14 0 35.0 bumpleak/osh mut
19 15 4 35.3 _bin/cxx-opt+bumproot/osh mut
22 14 7 34.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 21 4 28.2 osh-native mut+alloc
28 24 4 28.7 osh-native mut+alloc+free
21 21 0 7.8 osh-native mut+alloc+free+gc
21 21 0 7.8 osh-native mut+alloc+free+gc+exit
38 33 4 38.8 _bin/cxx-opt+nopool/osh mut+alloc
28 28 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
51 51 0 3.2 bash -
101 57 44 59.4 bumpleak/osh mut
111 79 32 59.3 _bin/cxx-opt+bumproot/osh mut
123 98 25 59.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
129 105 24 50.6 osh-native mut+alloc
137 106 31 52.4 osh-native mut+alloc+free
110 90 20 8.6 osh-native mut+alloc+free+gc
110 93 16 8.7 osh-native mut+alloc+free+gc+exit
144 108 36 67.5 _bin/cxx-opt+nopool/osh mut+alloc
131 98 33 10.0 _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
6 6 0 3.7 dash -
13 8 5 4.5 bash -
10 7 3 3.5 zsh -
11 11 1 11.8 bumpleak/osh mut
13 12 1 13.0 _bin/cxx-opt+bumproot/osh mut
13 10 3 12.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
13 9 5 11.0 osh-native mut+alloc
14 14 0 11.2 osh-native mut+alloc+free
14 14 0 9.1 osh-native mut+alloc+free+gc
14 11 3 9.0 osh-native mut+alloc+free+gc+exit
16 10 6 12.4 _bin/cxx-opt+nopool/osh mut+alloc
16 9 7 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc