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 18.0 476,684 1,282 6 408,754 5 204,377 osh-native
parse.configure-coreutils 153 25 65 46.1 51.7 1,653,272 4,764 12 1,069,120 6 798,641 osh-native
parse.abuild 9 1 1 2.6 8.5 101,875 180 2 75,096 1 37,548 osh-native
ex.compute-fib 28 0 1 2.6 7.9 584,140 31,810 12 50,000 0 2,825 osh-native
ex.bashcomp-parse-help 182 0 3 10.6 8.7 995,217 27,376 21 50,000 0 3,820 osh-native
ex.abuild-print-help 22 1 2 2.8 8.8 116,284 478 3 85,332 1 42,666 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 -
104 74 36 3.4 zsh -
16 12 4 28.8 bumpleak/osh mut
20 16 4 30.0 _bin/cxx-opt+bumproot/osh mut
22 17 4 29.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 30 0 25.2 osh-native mut+alloc
31 19 12 25.6 osh-native mut+alloc+free
35 27 8 18.0 osh-native mut+alloc+free+gc
35 31 4 18.0 osh-native mut+alloc+free+gc+exit
43 31 12 33.1 _bin/cxx-opt+nopool/osh mut+alloc
47 39 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 70 8 3.3 bash -
375 186 211 3.5 zsh -
49 42 8 84.0 bumpleak/osh mut
61 56 4 85.9 _bin/cxx-opt+bumproot/osh mut
69 52 16 86.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 73 24 73.4 osh-native mut+alloc
106 73 33 75.3 osh-native mut+alloc+free
153 124 28 51.7 osh-native mut+alloc+free+gc
156 139 16 52.2 osh-native mut+alloc+free+gc+exit
139 91 48 97.9 _bin/cxx-opt+nopool/osh mut+alloc
218 197 20 71.1 _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 6 0 3.0 bash -
8 8 0 3.3 zsh -
6 3 3 11.0 bumpleak/osh mut
7 3 3 11.5 _bin/cxx-opt+bumproot/osh mut
7 3 3 11.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 9 0 10.1 osh-native mut+alloc
9 4 4 10.0 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 9 0 8.7 osh-native mut+alloc+free+gc+exit
11 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 6 6 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 -
29 22 7 2.9 bash -
24 19 5 3.3 zsh -
19 19 0 31.3 bumpleak/osh mut
25 25 0 33.2 _bin/cxx-opt+bumproot/osh mut
28 28 0 32.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 18 18 26.3 osh-native mut+alloc
38 26 11 26.6 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
28 24 4 7.9 osh-native mut+alloc+free+gc+exit
54 37 17 36.1 _bin/cxx-opt+nopool/osh mut+alloc
37 33 4 9.3 _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 -
170 119 51 54.0 bumpleak/osh mut
181 104 76 56.3 _bin/cxx-opt+bumproot/osh mut
193 114 79 55.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 148 64 47.1 osh-native mut+alloc
220 172 48 48.8 osh-native mut+alloc+free
182 113 69 8.7 osh-native mut+alloc+free+gc
182 130 51 8.7 osh-native mut+alloc+free+gc+exit
231 139 91 64.1 _bin/cxx-opt+nopool/osh mut+alloc
208 128 80 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 7 3 3.5 dash -
20 15 6 4.5 bash -
17 7 11 3.5 zsh -
20 11 9 12.5 bumpleak/osh mut
21 13 9 13.1 _bin/cxx-opt+bumproot/osh mut
22 12 10 13.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 13 9 10.9 osh-native mut+alloc
22 18 5 11.1 osh-native mut+alloc+free
22 11 12 8.8 osh-native mut+alloc+free+gc
23 13 10 8.9 osh-native mut+alloc+free+gc+exit
25 18 7 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 15 10 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc