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 37 3 9 12.0 17.7 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 148 23 61 46.1 51.7 1,653,277 4,764 12 1,069,122 6 798,642 osh-native
parse.abuild 9 1 1 2.6 8.5 101,880 180 2 75,098 1 37,549 osh-native
ex.compute-fib 28 0 1 2.6 8.0 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 181 0 3 10.6 8.5 995,222 27,376 21 50,000 0 3,821 osh-native
ex.abuild-print-help 22 1 2 2.8 8.9 116,289 478 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 3 3 1.4 dash -
23 23 0 3.0 bash -
106 64 49 3.4 zsh -
17 17 0 28.6 bumpleak/osh mut
20 16 4 28.6 _bin/cxx-opt+bumproot/osh mut
23 16 8 28.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 22 7 25.2 osh-native mut+alloc
32 27 4 25.6 osh-native mut+alloc+free
37 37 0 17.7 osh-native mut+alloc+free+gc
38 30 8 18.1 osh-native mut+alloc+free+gc+exit
43 30 13 33.3 _bin/cxx-opt+nopool/osh mut+alloc
49 41 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 18 4 1.4 dash -
78 78 0 3.1 bash -
376 188 209 3.5 zsh -
48 40 8 84.2 bumpleak/osh mut
61 56 4 84.4 _bin/cxx-opt+bumproot/osh mut
71 63 8 85.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 61 36 73.5 osh-native mut+alloc
106 73 32 75.4 osh-native mut+alloc+free
148 128 20 51.7 osh-native mut+alloc+free+gc
153 137 16 52.2 osh-native mut+alloc+free+gc+exit
138 98 39 98.9 _bin/cxx-opt+nopool/osh mut+alloc
206 169 36 73.6 _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 -
6 6 0 2.9 bash -
8 8 0 3.1 zsh -
6 6 0 11.9 bumpleak/osh mut
7 0 6 10.7 _bin/cxx-opt+bumproot/osh mut
8 8 0 12.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 10.0 osh-native mut+alloc
9 8 0 9.8 osh-native mut+alloc+free
9 5 5 8.5 osh-native mut+alloc+free+gc
9 6 3 8.7 osh-native mut+alloc+free+gc+exit
11 7 4 11.3 _bin/cxx-opt+nopool/osh mut+alloc
12 11 0 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 28 0 3.0 bash -
24 16 8 3.3 zsh -
19 15 4 31.7 bumpleak/osh mut
26 26 0 33.0 _bin/cxx-opt+bumproot/osh mut
28 23 4 32.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 29 8 26.5 osh-native mut+alloc
38 26 11 26.7 osh-native mut+alloc+free
28 28 0 8.0 osh-native mut+alloc+free+gc
29 24 4 7.7 osh-native mut+alloc+free+gc+exit
53 45 8 35.8 _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 69 4 3.1 bash -
169 100 68 54.0 bumpleak/osh mut
179 127 52 55.8 _bin/cxx-opt+bumproot/osh mut
196 132 64 55.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 125 85 47.1 osh-native mut+alloc
220 120 100 48.9 osh-native mut+alloc+free
181 145 36 8.5 osh-native mut+alloc+free+gc
181 112 68 8.8 osh-native mut+alloc+free+gc+exit
231 163 68 63.8 _bin/cxx-opt+nopool/osh mut+alloc
208 144 64 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 3.4 dash -
19 16 4 4.3 bash -
18 12 7 3.5 zsh -
18 14 5 11.9 bumpleak/osh mut
21 15 7 13.2 _bin/cxx-opt+bumproot/osh mut
20 7 13 12.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 17 5 10.9 osh-native mut+alloc
23 18 6 10.9 osh-native mut+alloc+free
22 17 6 8.9 osh-native mut+alloc+free+gc
24 16 9 9.0 osh-native mut+alloc+free+gc+exit
25 20 5 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 17 8 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc