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 24 2 7 12.2 18.0 478,359 1,282 6 428,228 5 214,114 osh-native
parse.configure-coreutils 90 14 31 46.2 51.6 1,660,610 4,764 10 1,189,390 7 594,695 osh-native
parse.abuild 9 1 1 2.7 8.6 102,532 180 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 112 0 2 12.3 8.7 1,077,990 27,375 23 50,000 0 3,938 osh-native
ex.abuild-print-help 14 0 1 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 1.6 dash -
16 16 0 3.2 bash -
77 49 33 3.4 zsh -
12 8 4 29.8 bumpleak/osh mut
14 14 0 30.3 _bin/cxx-opt+bumproot/osh mut
16 12 4 28.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 15 4 25.1 osh-native mut+alloc
21 12 8 25.5 osh-native mut+alloc+free
24 24 0 18.0 osh-native mut+alloc+free+gc
25 20 4 18.1 osh-native mut+alloc+free+gc+exit
28 12 16 32.5 _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 1.7 dash -
55 55 0 3.3 bash -
235 152 96 3.5 zsh -
36 16 20 86.5 bumpleak/osh mut
45 37 8 85.3 _bin/cxx-opt+bumproot/osh mut
50 39 12 87.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
62 39 23 74.0 osh-native mut+alloc
71 50 21 75.9 osh-native mut+alloc+free
90 71 20 51.6 osh-native mut+alloc+free+gc
97 77 20 52.5 osh-native mut+alloc+free+gc+exit
89 61 28 99.6 _bin/cxx-opt+nopool/osh mut+alloc
130 126 4 68.7 _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 1.5 dash -
4 4 0 3.1 bash -
4 0 4 3.3 zsh -
4 4 0 11.9 bumpleak/osh mut
5 4 0 11.8 _bin/cxx-opt+bumproot/osh mut
5 5 0 12.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
5 5 0 10.0 osh-native mut+alloc
11 11 0 10.0 osh-native mut+alloc+free
9 5 5 8.6 osh-native mut+alloc+free+gc
6 6 0 8.6 osh-native mut+alloc+free+gc+exit
7 7 0 11.4 _bin/cxx-opt+nopool/osh mut+alloc
7 4 4 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 3 3 1.6 dash -
20 20 0 2.9 bash -
14 14 0 3.5 zsh -
14 11 4 34.0 bumpleak/osh mut
19 18 0 34.7 _bin/cxx-opt+bumproot/osh mut
21 21 0 33.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 11 15 28.2 osh-native mut+alloc
27 27 0 28.6 osh-native mut+alloc+free
21 20 0 7.8 osh-native mut+alloc+free+gc
21 17 4 7.8 osh-native mut+alloc+free+gc+exit
37 29 8 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
50 46 4 3.2 bash -
99 83 16 58.4 bumpleak/osh mut
107 80 28 59.8 _bin/cxx-opt+bumproot/osh mut
119 90 29 59.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
128 104 24 50.7 osh-native mut+alloc
137 101 36 52.4 osh-native mut+alloc+free
112 92 20 8.7 osh-native mut+alloc+free+gc
112 96 16 8.7 osh-native mut+alloc+free+gc+exit
144 104 40 67.2 _bin/cxx-opt+nopool/osh mut+alloc
131 119 12 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
6 6 0 3.6 dash -
12 9 3 4.6 bash -
10 10 0 3.6 zsh -
12 9 3 12.2 bumpleak/osh mut
13 13 1 12.7 _bin/cxx-opt+bumproot/osh mut
11 4 8 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
13 8 5 11.1 osh-native mut+alloc
13 9 4 11.2 osh-native mut+alloc+free
14 14 0 9.1 osh-native mut+alloc+free+gc
14 14 1 9.1 osh-native mut+alloc+free+gc+exit
15 14 1 12.4 _bin/cxx-opt+nopool/osh mut+alloc
16 16 0 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc