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 17.8 476,684 1,282 6 408,754 5 204,377 osh-native
parse.configure-coreutils 165 27 76 46.1 51.6 1,653,272 4,764 12 1,069,120 6 798,641 osh-native
parse.abuild 9 1 1 2.6 8.4 101,875 180 2 75,096 1 37,548 osh-native
ex.compute-fib 29 0 1 2.6 8.0 584,140 31,810 12 50,000 0 2,825 osh-native
ex.bashcomp-parse-help 181 0 3 10.6 8.7 995,217 27,376 21 50,000 0 3,820 osh-native
ex.abuild-print-help 22 1 2 2.8 8.8 116,284 478 3 85,332 1 42,666 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 3 3 1.4 dash -
23 19 4 3.1 bash -
103 49 61 3.4 zsh -
17 17 0 28.4 bumpleak/osh mut
23 19 4 29.3 _bin/cxx-opt+bumproot/osh mut
22 18 4 30.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 25 4 25.0 osh-native mut+alloc
32 24 8 25.4 osh-native mut+alloc+free
35 35 0 17.8 osh-native mut+alloc+free+gc
36 28 8 18.0 osh-native mut+alloc+free+gc+exit
43 31 12 32.5 _bin/cxx-opt+nopool/osh mut+alloc
48 43 4 22.0 _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 -
375 235 161 3.4 zsh -
49 40 8 85.7 bumpleak/osh mut
61 53 8 85.4 _bin/cxx-opt+bumproot/osh mut
69 61 8 86.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 68 28 73.3 osh-native mut+alloc
105 92 12 75.3 osh-native mut+alloc+free
165 148 16 51.6 osh-native mut+alloc+free+gc
160 144 16 52.2 osh-native mut+alloc+free+gc+exit
138 83 55 99.2 _bin/cxx-opt+nopool/osh mut+alloc
211 174 37 71.6 _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 2 0 1.3 dash -
5 5 0 3.0 bash -
8 0 7 3.4 zsh -
6 3 3 11.6 bumpleak/osh mut
6 3 3 10.9 _bin/cxx-opt+bumproot/osh mut
7 4 4 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.0 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
10 7 3 8.7 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 0 11 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 10 0 1.4 dash -
28 28 0 2.8 bash -
24 9 14 3.3 zsh -
19 14 5 31.1 bumpleak/osh mut
25 25 0 31.5 _bin/cxx-opt+bumproot/osh mut
28 20 8 33.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 24 12 26.5 osh-native mut+alloc
38 30 8 26.6 osh-native mut+alloc+free
29 29 0 8.0 osh-native mut+alloc+free+gc
28 24 4 7.9 osh-native mut+alloc+free+gc+exit
54 38 15 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
73 56 16 3.3 bash -
170 89 81 53.9 bumpleak/osh mut
178 129 48 56.4 _bin/cxx-opt+bumproot/osh mut
192 112 80 55.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 152 60 47.1 osh-native mut+alloc
224 164 60 48.8 osh-native mut+alloc+free
181 104 76 8.7 osh-native mut+alloc+free+gc
182 121 61 8.8 osh-native mut+alloc+free+gc+exit
232 156 76 64.1 _bin/cxx-opt+nopool/osh mut+alloc
210 154 55 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
10 9 1 3.5 dash -
20 17 3 4.3 bash -
18 9 9 3.4 zsh -
18 12 7 11.5 bumpleak/osh mut
20 14 6 13.7 _bin/cxx-opt+bumproot/osh mut
20 8 13 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 16 6 10.9 osh-native mut+alloc
22 14 9 11.0 osh-native mut+alloc+free
22 13 10 8.8 osh-native mut+alloc+free+gc
24 16 8 8.9 osh-native mut+alloc+free+gc+exit
25 19 7 12.5 _bin/cxx-opt+nopool/osh mut+alloc
25 18 7 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc