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 153 24 63 46.1 51.6 1,653,277 4,764 12 1,069,122 6 798,642 osh-native
parse.abuild 9 1 1 2.6 8.4 101,880 180 2 75,098 1 37,549 osh-native
ex.compute-fib 28 0 1 2.6 7.6 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 181 0 3 10.6 8.7 995,222 27,376 21 50,000 0 3,821 osh-native
ex.abuild-print-help 24 1 2 2.8 9.2 116,289 478 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 -
23 23 0 3.1 bash -
105 64 47 3.4 zsh -
16 12 4 29.0 bumpleak/osh mut
20 16 4 29.9 _bin/cxx-opt+bumproot/osh mut
23 18 4 30.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 17 13 25.0 osh-native mut+alloc
31 23 8 25.7 osh-native mut+alloc+free
35 31 4 18.0 osh-native mut+alloc+free+gc
36 32 4 17.7 osh-native mut+alloc+free+gc+exit
43 23 19 31.9 _bin/cxx-opt+nopool/osh mut+alloc
48 44 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
21 21 0 1.4 dash -
78 78 0 3.1 bash -
380 201 199 3.5 zsh -
47 39 9 85.5 bumpleak/osh mut
61 52 8 85.5 _bin/cxx-opt+bumproot/osh mut
71 71 0 86.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 73 24 73.4 osh-native mut+alloc
107 75 32 75.3 osh-native mut+alloc+free
153 124 28 51.6 osh-native mut+alloc+free+gc
154 126 28 52.2 osh-native mut+alloc+free+gc+exit
139 86 53 98.0 _bin/cxx-opt+nopool/osh mut+alloc
210 185 24 71.0 _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 8 0 3.3 zsh -
6 0 6 11.1 bumpleak/osh mut
7 4 4 12.1 _bin/cxx-opt+bumproot/osh mut
8 0 8 12.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 0 8 10.1 osh-native mut+alloc
8 8 0 10.0 osh-native mut+alloc+free
9 0 9 8.4 osh-native mut+alloc+free+gc
9 9 0 8.7 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 4 7 9.5 _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 -
29 29 0 2.9 bash -
23 12 12 3.3 zsh -
19 19 0 31.0 bumpleak/osh mut
26 18 7 32.5 _bin/cxx-opt+bumproot/osh mut
28 24 4 32.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 22 15 26.5 osh-native mut+alloc
38 33 4 26.7 osh-native mut+alloc+free
28 24 4 7.6 osh-native mut+alloc+free+gc
28 27 0 7.9 osh-native mut+alloc+free+gc+exit
54 29 25 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
72 64 8 3.1 bash -
168 116 52 55.5 bumpleak/osh mut
180 120 60 54.3 _bin/cxx-opt+bumproot/osh mut
195 135 60 55.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 160 52 47.1 osh-native mut+alloc
217 149 68 48.8 osh-native mut+alloc+free
181 136 44 8.7 osh-native mut+alloc+free+gc
181 94 86 8.8 osh-native mut+alloc+free+gc+exit
233 149 84 64.3 _bin/cxx-opt+nopool/osh mut+alloc
208 156 52 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 10 0 3.5 dash -
20 17 3 4.3 bash -
18 17 2 3.5 zsh -
21 14 7 12.2 bumpleak/osh mut
21 14 7 11.9 _bin/cxx-opt+bumproot/osh mut
22 14 9 12.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
23 18 5 10.7 osh-native mut+alloc
24 20 4 11.0 osh-native mut+alloc+free
24 17 7 9.2 osh-native mut+alloc+free+gc
24 19 5 8.7 osh-native mut+alloc+free+gc+exit
26 24 3 12.4 _bin/cxx-opt+nopool/osh mut+alloc
26 17 9 9.7 _bin/cxx-opt+nopool/osh mut+alloc+free+gc