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 36 4 10 12.0 17.8 476,698 1,282 6 408,770 5 204,385 osh-native
parse.configure-coreutils 149 23 62 44.6 49.9 1,653,286 4,764 12 1,030,654 6 769,411 osh-native
parse.abuild 9 1 1 2.6 8.5 101,889 180 2 75,112 1 37,556 osh-native
ex.compute-fib 30 0 2 2.4 7.9 584,154 31,810 12 50,000 0 2,832 osh-native
ex.bashcomp-parse-help 181 0 4 10.3 8.7 995,231 27,376 21 50,000 0 3,823 osh-native
ex.abuild-print-help 22 1 2 2.8 9.0 116,298 478 3 85,348 1 42,674 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 23 0 3.0 bash -
105 53 58 3.4 zsh -
17 8 8 29.5 bumpleak/osh mut
20 19 0 29.7 _bin/cxx-opt+bumproot/osh mut
23 19 4 29.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 7 22 25.2 osh-native mut+alloc
31 19 12 25.6 osh-native mut+alloc+free
36 28 8 17.8 osh-native mut+alloc+free+gc
37 28 8 18.0 osh-native mut+alloc+free+gc+exit
43 34 9 32.8 _bin/cxx-opt+nopool/osh mut+alloc
48 40 8 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 -
78 78 0 3.1 bash -
376 241 157 3.5 zsh -
48 41 7 85.4 bumpleak/osh mut
61 56 4 86.2 _bin/cxx-opt+bumproot/osh mut
70 62 8 85.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 65 32 73.4 osh-native mut+alloc
106 86 20 75.2 osh-native mut+alloc+free
149 120 28 49.9 osh-native mut+alloc+free+gc
153 132 20 50.6 osh-native mut+alloc+free+gc+exit
138 83 55 99.5 _bin/cxx-opt+nopool/osh mut+alloc
211 178 32 67.1 _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 1.4 dash -
6 3 3 3.0 bash -
8 0 7 3.3 zsh -
6 6 0 11.5 bumpleak/osh mut
7 3 3 11.0 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.0 osh-native mut+alloc
8 0 8 9.8 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 5 5 8.7 osh-native mut+alloc+free+gc+exit
12 11 0 11.3 _bin/cxx-opt+nopool/osh mut+alloc
11 11 0 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 1.6 dash -
28 28 0 3.0 bash -
24 20 4 3.1 zsh -
19 15 4 30.9 bumpleak/osh mut
26 18 7 32.1 _bin/cxx-opt+bumproot/osh mut
37 33 4 32.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 32 4 26.2 osh-native mut+alloc
37 33 4 26.3 osh-native mut+alloc+free
30 30 0 7.9 osh-native mut+alloc+free+gc
28 24 4 7.7 osh-native mut+alloc+free+gc+exit
54 27 27 36.4 _bin/cxx-opt+nopool/osh mut+alloc
37 33 4 9.5 _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 73 0 3.1 bash -
169 108 60 53.9 bumpleak/osh mut
181 137 44 55.4 _bin/cxx-opt+bumproot/osh mut
191 115 75 56.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
213 144 68 46.9 osh-native mut+alloc
218 158 59 48.7 osh-native mut+alloc+free
181 129 52 8.7 osh-native mut+alloc+free+gc
181 128 52 8.7 osh-native mut+alloc+free+gc+exit
231 137 93 63.5 _bin/cxx-opt+nopool/osh mut+alloc
208 172 36 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 9 1 3.5 dash -
20 17 3 4.3 bash -
18 10 8 3.5 zsh -
20 13 7 12.5 bumpleak/osh mut
19 13 7 12.2 _bin/cxx-opt+bumproot/osh mut
20 17 4 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 12 9 11.0 osh-native mut+alloc
22 11 11 11.1 osh-native mut+alloc+free
22 17 5 9.0 osh-native mut+alloc+free+gc
24 14 10 8.9 osh-native mut+alloc+free+gc+exit
24 11 14 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 16 9 10.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc