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 17.8 476,684 1,282 6 408,754 5 204,377 osh-native
parse.configure-coreutils 159 25 71 46.1 51.4 1,653,272 4,764 12 1,069,120 6 798,641 osh-native
parse.abuild 9 1 1 2.6 8.4 101,875 180 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 179 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 3.0 bash -
105 75 36 3.4 zsh -
16 16 0 29.6 bumpleak/osh mut
20 12 8 28.4 _bin/cxx-opt+bumproot/osh mut
23 15 7 28.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 26 4 25.0 osh-native mut+alloc
32 24 8 25.6 osh-native mut+alloc+free
35 30 4 17.8 osh-native mut+alloc+free+gc
36 28 8 18.1 osh-native mut+alloc+free+gc+exit
43 23 19 31.9 _bin/cxx-opt+nopool/osh mut+alloc
47 35 12 22.2 _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 -
77 73 4 3.1 bash -
377 206 191 3.7 zsh -
49 44 4 85.0 bumpleak/osh mut
61 48 12 85.0 _bin/cxx-opt+bumproot/osh mut
70 62 8 85.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 73 24 73.3 osh-native mut+alloc
106 69 37 75.3 osh-native mut+alloc+free
159 127 32 51.4 osh-native mut+alloc+free+gc
156 148 8 52.2 osh-native mut+alloc+free+gc+exit
138 87 51 98.0 _bin/cxx-opt+nopool/osh mut+alloc
227 190 36 74.1 _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 1.3 dash -
6 6 0 3.0 bash -
8 4 4 3.4 zsh -
6 6 0 10.3 bumpleak/osh mut
6 6 0 10.8 _bin/cxx-opt+bumproot/osh mut
7 0 7 11.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.0 osh-native mut+alloc
9 0 9 10.0 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
9 6 3 8.5 osh-native mut+alloc+free+gc+exit
12 4 8 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 11 0 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 29 0 2.9 bash -
23 19 5 3.1 zsh -
19 18 0 31.1 bumpleak/osh mut
25 25 0 32.3 _bin/cxx-opt+bumproot/osh mut
28 24 4 31.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 16 20 26.3 osh-native mut+alloc
39 21 17 26.6 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
28 27 0 7.7 osh-native mut+alloc+free+gc+exit
54 31 23 35.8 _bin/cxx-opt+nopool/osh mut+alloc
37 36 0 9.5 _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
74 69 4 3.1 bash -
167 123 44 55.1 bumpleak/osh mut
179 127 52 55.1 _bin/cxx-opt+bumproot/osh mut
193 124 68 56.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 121 89 47.1 osh-native mut+alloc
219 138 81 48.8 osh-native mut+alloc+free
179 107 71 8.7 osh-native mut+alloc+free+gc
179 131 48 8.7 osh-native mut+alloc+free+gc+exit
231 143 88 63.9 _bin/cxx-opt+nopool/osh mut+alloc
207 155 52 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 4 6 3.4 dash -
19 12 7 4.5 bash -
17 10 8 3.5 zsh -
20 14 6 12.9 bumpleak/osh mut
19 18 2 11.8 _bin/cxx-opt+bumproot/osh mut
21 13 9 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 20 2 11.0 osh-native mut+alloc
23 13 11 10.9 osh-native mut+alloc+free
22 16 7 8.8 osh-native mut+alloc+free+gc
23 23 0 8.8 osh-native mut+alloc+free+gc+exit
25 15 10 12.5 _bin/cxx-opt+nopool/osh mut+alloc
25 19 6 9.7 _bin/cxx-opt+nopool/osh mut+alloc+free+gc