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 17.7 476,690 1,282 6 408,762 5 204,381 osh-native
parse.configure-coreutils 148 24 61 46.1 51.4 1,653,278 4,764 12 1,069,128 6 798,645 osh-native
parse.abuild 9 1 1 2.6 8.5 101,881 180 2 75,104 1 37,552 osh-native
ex.compute-fib 28 0 1 2.6 7.7 584,146 31,810 12 50,000 0 2,828 osh-native
ex.bashcomp-parse-help 181 0 3 10.6 8.8 995,223 27,376 21 50,000 0 3,824 osh-native
ex.abuild-print-help 22 1 2 2.8 8.9 116,290 478 3 85,340 1 42,670 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 3.1 bash -
104 61 49 3.4 zsh -
16 8 8 28.5 bumpleak/osh mut
20 16 4 28.9 _bin/cxx-opt+bumproot/osh mut
23 18 5 28.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 12 16 25.0 osh-native mut+alloc
31 22 9 25.7 osh-native mut+alloc+free
35 27 8 17.7 osh-native mut+alloc+free+gc
36 35 0 18.0 osh-native mut+alloc+free+gc+exit
43 34 9 32.0 _bin/cxx-opt+nopool/osh mut+alloc
48 40 8 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
22 21 0 1.6 dash -
77 73 4 3.1 bash -
377 219 180 3.5 zsh -
48 36 12 84.2 bumpleak/osh mut
61 57 4 84.5 _bin/cxx-opt+bumproot/osh mut
70 57 12 86.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
96 60 36 73.4 osh-native mut+alloc
106 73 32 75.1 osh-native mut+alloc+free
148 139 8 51.4 osh-native mut+alloc+free+gc
152 124 28 50.5 osh-native mut+alloc+free+gc+exit
138 95 43 99.1 _bin/cxx-opt+nopool/osh mut+alloc
211 191 20 72.0 _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 0 7 3.3 zsh -
6 6 0 10.9 bumpleak/osh mut
7 7 0 12.1 _bin/cxx-opt+bumproot/osh mut
7 3 3 10.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 0 8 9.8 osh-native mut+alloc
9 9 0 10.0 osh-native mut+alloc+free
9 3 6 8.5 osh-native mut+alloc+free+gc
9 9 0 8.7 osh-native mut+alloc+free+gc+exit
11 11 0 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 28 0 3.0 bash -
23 18 5 3.1 zsh -
19 15 4 32.7 bumpleak/osh mut
26 17 9 32.1 _bin/cxx-opt+bumproot/osh mut
28 24 4 32.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 28 8 26.3 osh-native mut+alloc
38 30 7 26.7 osh-native mut+alloc+free
28 28 0 7.7 osh-native mut+alloc+free+gc
28 24 4 7.7 osh-native mut+alloc+free+gc+exit
55 33 21 35.9 _bin/cxx-opt+nopool/osh mut+alloc
37 37 0 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 -
166 117 49 55.7 bumpleak/osh mut
180 108 72 54.5 _bin/cxx-opt+bumproot/osh mut
193 145 48 56.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 137 73 46.9 osh-native mut+alloc
216 140 76 48.8 osh-native mut+alloc+free
181 141 40 8.8 osh-native mut+alloc+free+gc
179 114 65 8.5 osh-native mut+alloc+free+gc+exit
229 156 72 62.8 _bin/cxx-opt+nopool/osh mut+alloc
206 121 85 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 8 2 3.4 dash -
20 18 2 4.5 bash -
17 10 8 3.4 zsh -
19 16 3 12.1 bumpleak/osh mut
19 11 8 12.0 _bin/cxx-opt+bumproot/osh mut
20 13 8 12.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 13 9 10.9 osh-native mut+alloc
22 14 9 11.1 osh-native mut+alloc+free
22 17 5 8.9 osh-native mut+alloc+free+gc
23 12 11 8.8 osh-native mut+alloc+free+gc+exit
24 15 10 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 20 6 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc