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 18.0 476,676 1,282 6 408,744 5 204,372 osh-native
parse.configure-coreutils 153 26 66 46.1 51.4 1,653,264 4,764 12 1,069,110 6 798,636 osh-native
parse.abuild 9 1 1 2.6 8.4 101,867 180 2 75,086 1 37,543 osh-native
ex.compute-fib 28 0 1 2.6 7.6 584,128 31,810 12 50,000 0 2,818 osh-native
ex.bashcomp-parse-help 184 0 3 12.3 8.8 1,002,882 27,376 21 50,000 0 3,802 osh-native
ex.abuild-print-help 22 1 2 2.8 8.8 116,069 478 3 85,320 1 42,660 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 -
23 23 0 3.0 bash -
103 71 39 3.5 zsh -
17 8 8 29.8 bumpleak/osh mut
20 20 0 28.8 _bin/cxx-opt+bumproot/osh mut
23 19 4 28.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 25 4 25.0 osh-native mut+alloc
31 16 16 25.3 osh-native mut+alloc+free
35 31 4 18.0 osh-native mut+alloc+free+gc
37 37 0 17.8 osh-native mut+alloc+free+gc+exit
43 38 4 32.9 _bin/cxx-opt+nopool/osh mut+alloc
48 32 16 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
21 21 0 1.6 dash -
78 74 4 3.1 bash -
372 208 186 3.5 zsh -
48 40 8 85.2 bumpleak/osh mut
61 56 4 85.2 _bin/cxx-opt+bumproot/osh mut
70 51 19 85.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 55 43 73.3 osh-native mut+alloc
105 89 16 75.3 osh-native mut+alloc+free
153 141 12 51.4 osh-native mut+alloc+free+gc
159 127 32 52.3 osh-native mut+alloc+free+gc+exit
139 107 32 99.4 _bin/cxx-opt+nopool/osh mut+alloc
219 166 53 73.4 _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 2.9 bash -
8 0 7 3.3 zsh -
6 6 0 10.2 bumpleak/osh mut
7 7 0 11.8 _bin/cxx-opt+bumproot/osh mut
8 8 0 12.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.0 osh-native mut+alloc
8 4 4 9.8 osh-native mut+alloc+free
9 3 6 8.4 osh-native mut+alloc+free+gc
9 5 5 8.4 osh-native mut+alloc+free+gc+exit
12 12 0 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 11 0 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
10 10 0 1.4 dash -
28 24 4 2.9 bash -
24 20 4 3.3 zsh -
19 15 4 32.9 bumpleak/osh mut
26 21 4 32.1 _bin/cxx-opt+bumproot/osh mut
28 28 0 32.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 20 16 26.1 osh-native mut+alloc
38 27 11 26.5 osh-native mut+alloc+free
28 28 0 7.6 osh-native mut+alloc+free+gc
29 24 4 7.9 osh-native mut+alloc+free+gc+exit
54 30 23 35.9 _bin/cxx-opt+nopool/osh mut+alloc
37 29 7 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
72 60 12 3.1 bash -
168 88 80 56.2 bumpleak/osh mut
178 109 69 57.8 _bin/cxx-opt+bumproot/osh mut
195 119 76 57.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 125 85 48.9 osh-native mut+alloc
218 147 71 50.6 osh-native mut+alloc+free
184 144 40 8.8 osh-native mut+alloc+free+gc
181 132 48 8.7 osh-native mut+alloc+free+gc+exit
229 156 72 65.9 _bin/cxx-opt+nopool/osh mut+alloc
207 146 61 10.2 _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 8 2 3.5 dash -
19 15 4 4.3 bash -
17 7 10 3.5 zsh -
20 15 5 12.5 bumpleak/osh mut
20 20 0 12.3 _bin/cxx-opt+bumproot/osh mut
20 6 15 12.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 16 5 11.0 osh-native mut+alloc
22 16 7 11.0 osh-native mut+alloc+free
22 22 0 8.8 osh-native mut+alloc+free+gc
23 19 5 8.8 osh-native mut+alloc+free+gc+exit
25 13 12 12.5 _bin/cxx-opt+nopool/osh mut+alloc
25 12 14 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc