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 18.0 476,682 1,282 6 408,752 5 204,376 osh-native
parse.configure-coreutils 147 24 61 46.1 51.7 1,653,270 4,764 12 1,069,118 6 798,640 osh-native
parse.abuild 9 1 1 2.6 8.4 101,873 180 2 75,094 1 37,547 osh-native
ex.compute-fib 28 0 1 2.6 7.6 584,138 31,810 12 50,000 0 2,824 osh-native
ex.bashcomp-parse-help 182 0 4 10.6 8.8 995,215 27,376 21 50,000 0 3,819 osh-native
ex.abuild-print-help 23 1 2 2.8 9.0 116,282 478 3 85,330 1 42,665 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 3 3 1.6 dash -
23 23 0 3.0 bash -
104 63 48 3.4 zsh -
16 16 0 28.7 bumpleak/osh mut
20 8 11 29.4 _bin/cxx-opt+bumproot/osh mut
22 11 11 29.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 15 15 24.9 osh-native mut+alloc
31 27 4 25.7 osh-native mut+alloc+free
35 35 0 18.0 osh-native mut+alloc+free+gc
36 24 12 17.8 osh-native mut+alloc+free+gc+exit
44 24 20 32.1 _bin/cxx-opt+nopool/osh mut+alloc
48 36 12 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 -
377 238 161 3.5 zsh -
49 30 19 85.6 bumpleak/osh mut
60 48 12 86.1 _bin/cxx-opt+bumproot/osh mut
70 57 12 86.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
96 64 32 73.4 osh-native mut+alloc
105 68 36 75.3 osh-native mut+alloc+free
147 135 12 51.7 osh-native mut+alloc+free+gc
151 111 40 52.2 osh-native mut+alloc+free+gc+exit
139 79 60 98.5 _bin/cxx-opt+nopool/osh mut+alloc
210 174 36 72.1 _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 2.9 bash -
8 4 4 3.4 zsh -
6 0 6 11.3 bumpleak/osh mut
7 3 3 11.4 _bin/cxx-opt+bumproot/osh mut
7 4 4 11.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 9.8 osh-native mut+alloc
8 8 0 10.1 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
9 4 4 8.5 osh-native mut+alloc+free+gc+exit
12 4 8 11.3 _bin/cxx-opt+nopool/osh mut+alloc
11 4 8 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 3.0 bash -
24 12 12 3.3 zsh -
20 20 0 31.2 bumpleak/osh mut
26 22 4 32.7 _bin/cxx-opt+bumproot/osh mut
27 23 4 33.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 32 4 26.3 osh-native mut+alloc
39 31 8 26.6 osh-native mut+alloc+free
28 20 8 7.6 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
53 45 8 36.0 _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 65 8 3.1 bash -
167 103 64 55.4 bumpleak/osh mut
179 111 68 54.8 _bin/cxx-opt+bumproot/osh mut
191 103 88 55.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 135 76 47.1 osh-native mut+alloc
219 155 64 48.9 osh-native mut+alloc+free
182 129 53 8.8 osh-native mut+alloc+free+gc
180 144 36 8.8 osh-native mut+alloc+free+gc+exit
231 170 61 62.7 _bin/cxx-opt+nopool/osh mut+alloc
210 150 59 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 9 1 3.5 dash -
19 14 6 4.5 bash -
18 6 12 3.5 zsh -
19 17 1 13.0 bumpleak/osh mut
20 8 12 13.7 _bin/cxx-opt+bumproot/osh mut
22 14 8 13.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 16 5 10.9 osh-native mut+alloc
23 13 10 11.0 osh-native mut+alloc+free
23 21 2 9.0 osh-native mut+alloc+free+gc
23 18 5 9.0 osh-native mut+alloc+free+gc+exit
26 14 12 12.4 _bin/cxx-opt+nopool/osh mut+alloc
25 19 7 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc