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 38 5 11 12.0 17.7 476,698 1,282 6 408,770 5 204,385 osh-native
parse.configure-coreutils 166 26 78 44.6 49.9 1,653,286 4,764 12 1,030,654 6 769,411 osh-native
parse.abuild 9 1 1 2.6 8.5 101,889 180 2 75,112 1 37,556 osh-native
ex.compute-fib 28 0 1 2.4 8.0 584,154 31,810 12 50,000 0 2,832 osh-native
ex.bashcomp-parse-help 179 0 3 10.3 8.7 995,231 27,376 21 50,000 0 3,823 osh-native
ex.abuild-print-help 21 1 2 2.8 8.9 116,298 478 3 85,348 1 42,674 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 6 0 1.4 dash -
24 23 0 3.1 bash -
104 43 67 3.4 zsh -
16 12 4 29.0 bumpleak/osh mut
20 16 4 28.6 _bin/cxx-opt+bumproot/osh mut
23 8 15 28.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 15 15 25.0 osh-native mut+alloc
32 23 9 25.6 osh-native mut+alloc+free
38 26 11 17.7 osh-native mut+alloc+free+gc
37 16 21 18.0 osh-native mut+alloc+free+gc+exit
44 24 20 32.4 _bin/cxx-opt+nopool/osh mut+alloc
54 45 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
21 21 0 1.6 dash -
77 77 0 3.3 bash -
376 210 187 3.7 zsh -
49 40 8 83.9 bumpleak/osh mut
60 51 8 84.6 _bin/cxx-opt+bumproot/osh mut
70 62 8 86.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
95 70 25 73.4 osh-native mut+alloc
106 63 43 75.3 osh-native mut+alloc+free
166 146 20 49.9 osh-native mut+alloc+free+gc
173 145 28 50.6 osh-native mut+alloc+free+gc+exit
135 103 32 99.1 _bin/cxx-opt+nopool/osh mut+alloc
205 185 20 68.2 _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 0 2 1.3 dash -
6 3 3 2.9 bash -
8 4 4 3.3 zsh -
6 0 6 11.9 bumpleak/osh mut
7 3 3 11.0 _bin/cxx-opt+bumproot/osh mut
8 0 8 11.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.1 osh-native mut+alloc
9 4 4 10.1 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 9 0 8.4 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 12 0 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 7 3 1.4 dash -
29 29 0 2.9 bash -
24 20 4 3.3 zsh -
19 19 0 32.8 bumpleak/osh mut
25 18 7 31.5 _bin/cxx-opt+bumproot/osh mut
28 20 8 33.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 32 4 26.1 osh-native mut+alloc
38 30 8 26.5 osh-native mut+alloc+free
28 21 7 8.0 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
54 35 19 35.8 _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 3.3 bash -
167 93 73 54.4 bumpleak/osh mut
178 91 87 54.7 _bin/cxx-opt+bumproot/osh mut
193 126 67 56.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 146 65 47.0 osh-native mut+alloc
217 169 48 48.7 osh-native mut+alloc+free
179 111 68 8.7 osh-native mut+alloc+free+gc
182 134 47 8.7 osh-native mut+alloc+free+gc+exit
231 135 95 62.2 _bin/cxx-opt+nopool/osh mut+alloc
208 148 60 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 6 4.5 bash -
17 12 6 3.5 zsh -
18 5 13 11.3 bumpleak/osh mut
20 11 9 13.1 _bin/cxx-opt+bumproot/osh mut
20 15 5 12.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 13 9 10.9 osh-native mut+alloc
22 20 2 11.1 osh-native mut+alloc+free
21 16 6 8.9 osh-native mut+alloc+free+gc
22 10 13 9.0 osh-native mut+alloc+free+gc+exit
24 13 12 12.7 _bin/cxx-opt+nopool/osh mut+alloc
24 15 10 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc