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 37 4 10 12.0 18.0 476,690 1,282 6 408,762 5 204,381 osh-native
parse.configure-coreutils 157 27 70 46.1 51.4 1,653,278 4,764 12 1,069,128 6 798,645 osh-native
parse.abuild 9 1 1 2.6 8.4 101,881 180 2 75,104 1 37,552 osh-native
ex.compute-fib 28 0 1 2.6 7.9 584,146 31,810 12 50,000 0 2,828 osh-native
ex.bashcomp-parse-help 180 0 3 10.6 8.7 995,223 27,376 21 50,000 0 3,824 osh-native
ex.abuild-print-help 23 1 2 2.8 8.9 116,290 478 3 85,340 1 42,670 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 19 4 3.0 bash -
106 52 61 3.4 zsh -
16 12 4 28.8 bumpleak/osh mut
20 12 8 28.5 _bin/cxx-opt+bumproot/osh mut
23 23 0 28.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 21 9 25.0 osh-native mut+alloc
32 20 12 25.6 osh-native mut+alloc+free
37 36 0 18.0 osh-native mut+alloc+free+gc
37 36 0 18.0 osh-native mut+alloc+free+gc+exit
44 35 8 32.8 _bin/cxx-opt+nopool/osh mut+alloc
55 35 19 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 21 0 1.6 dash -
77 77 0 3.1 bash -
381 222 182 3.5 zsh -
51 47 4 85.0 bumpleak/osh mut
61 57 4 86.0 _bin/cxx-opt+bumproot/osh mut
70 54 15 86.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 58 39 73.4 osh-native mut+alloc
106 67 39 75.3 osh-native mut+alloc+free
157 133 23 51.4 osh-native mut+alloc+free+gc
161 132 28 50.7 osh-native mut+alloc+free+gc+exit
139 95 44 98.2 _bin/cxx-opt+nopool/osh mut+alloc
218 178 40 73.6 _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 0 2 1.4 dash -
6 6 0 3.0 bash -
8 0 7 3.3 zsh -
6 6 0 11.9 bumpleak/osh mut
6 6 0 12.2 _bin/cxx-opt+bumproot/osh mut
8 8 0 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.0 osh-native mut+alloc
9 4 4 10.0 osh-native mut+alloc+free
9 4 4 8.4 osh-native mut+alloc+free+gc
9 6 3 8.4 osh-native mut+alloc+free+gc+exit
11 8 4 11.3 _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
11 10 0 1.4 dash -
29 25 4 2.9 bash -
24 20 4 3.1 zsh -
20 20 0 31.9 bumpleak/osh mut
26 21 4 32.4 _bin/cxx-opt+bumproot/osh mut
28 20 8 33.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 18 18 26.3 osh-native mut+alloc
38 15 23 26.6 osh-native mut+alloc+free
28 20 8 7.9 osh-native mut+alloc+free+gc
28 27 0 7.9 osh-native mut+alloc+free+gc+exit
56 52 4 35.9 _bin/cxx-opt+nopool/osh mut+alloc
37 37 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
74 69 4 3.1 bash -
167 101 65 54.0 bumpleak/osh mut
180 120 60 56.1 _bin/cxx-opt+bumproot/osh mut
196 136 60 55.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 121 89 46.9 osh-native mut+alloc
216 152 64 48.8 osh-native mut+alloc+free
180 118 61 8.7 osh-native mut+alloc+free+gc
181 133 48 8.7 osh-native mut+alloc+free+gc+exit
230 145 85 64.2 _bin/cxx-opt+nopool/osh mut+alloc
206 153 52 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 3.5 dash -
20 18 2 4.5 bash -
18 10 8 3.5 zsh -
18 8 11 11.0 bumpleak/osh mut
22 15 7 13.2 _bin/cxx-opt+bumproot/osh mut
20 14 7 12.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 15 7 10.9 osh-native mut+alloc
23 16 7 11.1 osh-native mut+alloc+free
23 18 5 8.9 osh-native mut+alloc+free+gc
23 14 10 8.9 osh-native mut+alloc+free+gc+exit
25 12 13 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 24 2 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc