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 146 23 59 46.1 51.4 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 7.9 584,138 31,810 12 50,000 0 2,824 osh-native
ex.bashcomp-parse-help 197 1 4 10.6 8.8 995,215 27,376 21 50,000 0 3,819 osh-native
ex.abuild-print-help 22 1 2 2.8 8.8 116,282 478 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 6 0 1.6 dash -
23 23 0 3.1 bash -
104 61 50 3.4 zsh -
16 12 4 28.9 bumpleak/osh mut
19 15 4 29.2 _bin/cxx-opt+bumproot/osh mut
25 20 4 29.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 25 4 25.0 osh-native mut+alloc
31 31 0 25.6 osh-native mut+alloc+free
35 27 8 18.0 osh-native mut+alloc+free+gc
35 27 8 18.0 osh-native mut+alloc+free+gc+exit
43 39 4 32.0 _bin/cxx-opt+nopool/osh mut+alloc
48 36 12 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
21 21 0 1.6 dash -
77 69 8 3.3 bash -
377 208 190 3.5 zsh -
49 37 12 84.5 bumpleak/osh mut
60 56 4 85.5 _bin/cxx-opt+bumproot/osh mut
69 46 23 85.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
96 64 32 73.3 osh-native mut+alloc
105 62 43 75.1 osh-native mut+alloc+free
146 122 24 51.4 osh-native mut+alloc+free+gc
152 131 20 52.1 osh-native mut+alloc+free+gc+exit
139 83 55 97.7 _bin/cxx-opt+nopool/osh mut+alloc
210 165 44 72.6 _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 1.4 dash -
6 6 0 3.0 bash -
8 4 4 3.3 zsh -
6 0 6 11.3 bumpleak/osh mut
6 6 0 10.5 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.0 osh-native mut+alloc
8 4 4 10.0 osh-native mut+alloc+free
9 4 4 8.4 osh-native mut+alloc+free+gc
9 3 6 8.7 osh-native mut+alloc+free+gc+exit
12 4 8 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 7 4 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 24 4 3.0 bash -
24 20 4 3.4 zsh -
19 15 4 31.8 bumpleak/osh mut
25 21 4 31.9 _bin/cxx-opt+bumproot/osh mut
28 23 4 32.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 27 8 26.2 osh-native mut+alloc
37 26 11 26.6 osh-native mut+alloc+free
28 28 0 7.9 osh-native mut+alloc+free+gc
28 27 0 7.9 osh-native mut+alloc+free+gc+exit
53 53 0 36.2 _bin/cxx-opt+nopool/osh mut+alloc
39 39 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
72 64 8 3.1 bash -
168 100 68 54.5 bumpleak/osh mut
178 103 75 55.1 _bin/cxx-opt+bumproot/osh mut
193 125 68 56.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
209 129 80 47.1 osh-native mut+alloc
216 136 80 48.8 osh-native mut+alloc+free
197 124 72 8.8 osh-native mut+alloc+free+gc
182 105 77 8.8 osh-native mut+alloc+free+gc+exit
230 133 97 62.8 _bin/cxx-opt+nopool/osh mut+alloc
207 139 68 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 5 5 3.5 dash -
19 14 5 4.3 bash -
17 11 7 3.5 zsh -
18 12 7 11.4 bumpleak/osh mut
22 8 13 13.3 _bin/cxx-opt+bumproot/osh mut
22 12 11 13.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 11 11 11.0 osh-native mut+alloc
23 23 0 11.0 osh-native mut+alloc+free
22 18 5 8.8 osh-native mut+alloc+free+gc
23 11 12 9.0 osh-native mut+alloc+free+gc+exit
25 19 6 12.5 _bin/cxx-opt+nopool/osh mut+alloc
25 20 5 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc