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 18.0 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 147 24 61 46.1 51.7 1,653,277 4,764 12 1,069,122 6 798,642 osh-native
parse.abuild 8 1 1 2.6 8.5 101,880 180 2 75,098 1 37,549 osh-native
ex.compute-fib 27 0 1 2.4 7.9 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 174 0 3 10.3 8.7 995,222 27,376 21 50,000 0 3,821 osh-native
ex.abuild-print-help 22 1 2 2.8 8.8 116,289 478 3 85,334 1 42,667 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 6 0 1.6 dash -
22 22 0 3.1 bash -
103 64 46 3.3 zsh -
16 12 4 29.2 bumpleak/osh mut
20 12 8 28.8 _bin/cxx-opt+bumproot/osh mut
22 22 0 29.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 8 20 25.2 osh-native mut+alloc
30 26 4 25.3 osh-native mut+alloc+free
35 27 8 18.0 osh-native mut+alloc+free+gc
35 27 8 18.0 osh-native mut+alloc+free+gc+exit
42 31 11 32.1 _bin/cxx-opt+nopool/osh mut+alloc
46 38 8 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
21 21 0 1.6 dash -
78 78 0 3.1 bash -
390 208 203 3.5 zsh -
48 40 8 85.3 bumpleak/osh mut
59 51 8 84.9 _bin/cxx-opt+bumproot/osh mut
68 56 12 85.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
96 80 16 73.4 osh-native mut+alloc
104 68 36 75.2 osh-native mut+alloc+free
147 131 16 51.7 osh-native mut+alloc+free+gc
145 120 24 52.2 osh-native mut+alloc+free+gc+exit
136 100 36 98.6 _bin/cxx-opt+nopool/osh mut+alloc
212 172 40 73.2 _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 1.3 dash -
5 5 0 3.0 bash -
8 0 7 3.3 zsh -
6 6 0 11.0 bumpleak/osh mut
7 3 3 11.8 _bin/cxx-opt+bumproot/osh mut
7 3 3 11.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.2 osh-native mut+alloc
8 4 4 9.7 osh-native mut+alloc+free
8 8 0 8.5 osh-native mut+alloc+free+gc
8 4 4 8.5 osh-native mut+alloc+free+gc+exit
11 11 0 11.2 _bin/cxx-opt+nopool/osh mut+alloc
11 7 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
10 10 0 1.4 dash -
27 23 4 2.8 bash -
23 15 8 3.3 zsh -
18 18 0 31.3 bumpleak/osh mut
24 24 0 32.6 _bin/cxx-opt+bumproot/osh mut
27 23 4 33.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
34 21 13 26.2 osh-native mut+alloc
36 32 4 26.6 osh-native mut+alloc+free
27 24 4 7.9 osh-native mut+alloc+free+gc
28 24 4 7.7 osh-native mut+alloc+free+gc+exit
52 36 16 35.8 _bin/cxx-opt+nopool/osh mut+alloc
36 36 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
70 65 4 3.3 bash -
165 101 64 54.2 bumpleak/osh mut
172 104 68 55.1 _bin/cxx-opt+bumproot/osh mut
183 127 56 55.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
205 105 101 47.0 osh-native mut+alloc
207 139 68 48.7 osh-native mut+alloc+free
174 114 59 8.7 osh-native mut+alloc+free+gc
178 137 40 8.5 osh-native mut+alloc+free+gc+exit
221 152 68 63.7 _bin/cxx-opt+nopool/osh mut+alloc
201 138 63 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 6 3 3.5 dash -
19 13 7 4.5 bash -
17 16 2 3.5 zsh -
18 11 8 11.6 bumpleak/osh mut
21 12 9 12.9 _bin/cxx-opt+bumproot/osh mut
20 6 15 12.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 15 7 11.0 osh-native mut+alloc
22 12 10 10.9 osh-native mut+alloc+free
22 20 3 8.8 osh-native mut+alloc+free+gc
22 13 10 9.0 osh-native mut+alloc+free+gc+exit
24 20 5 12.6 _bin/cxx-opt+nopool/osh mut+alloc
24 24 1 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc