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 36 4 10 12.0 18.0 476,684 1,282 6 408,754 5 204,377 osh-native
parse.configure-coreutils 158 26 70 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 8.5 101,875 180 2 75,096 1 37,548 osh-native
ex.compute-fib 28 0 2 2.6 8.0 584,140 31,810 12 50,000 0 2,825 osh-native
ex.bashcomp-parse-help 181 0 4 10.6 8.5 995,217 27,376 21 50,000 0 3,820 osh-native
ex.abuild-print-help 23 1 2 2.8 8.9 116,284 478 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 3.1 bash -
105 55 56 3.4 zsh -
16 16 0 29.1 bumpleak/osh mut
20 12 8 28.6 _bin/cxx-opt+bumproot/osh mut
25 25 0 28.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 18 11 25.0 osh-native mut+alloc
31 4 27 25.6 osh-native mut+alloc+free
36 28 8 18.0 osh-native mut+alloc+free+gc
37 30 7 18.1 osh-native mut+alloc+free+gc+exit
43 27 15 32.0 _bin/cxx-opt+nopool/osh mut+alloc
48 44 4 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 18 4 1.6 dash -
79 79 0 3.3 bash -
377 214 184 3.5 zsh -
50 38 11 84.6 bumpleak/osh mut
62 54 8 85.0 _bin/cxx-opt+bumproot/osh mut
71 43 27 86.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 73 24 73.4 osh-native mut+alloc
106 63 43 75.2 osh-native mut+alloc+free
158 121 36 51.4 osh-native mut+alloc+free+gc
165 148 16 52.3 osh-native mut+alloc+free+gc+exit
139 95 44 99.0 _bin/cxx-opt+nopool/osh mut+alloc
232 200 32 73.0 _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 4 4 3.3 zsh -
6 6 0 11.9 bumpleak/osh mut
6 3 3 12.2 _bin/cxx-opt+bumproot/osh mut
7 0 7 11.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 9.8 osh-native mut+alloc
9 9 0 10.0 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
10 10 0 8.8 osh-native mut+alloc+free+gc+exit
11 6 6 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 9.2 _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 -
25 16 8 3.3 zsh -
20 12 8 32.4 bumpleak/osh mut
26 22 4 33.0 _bin/cxx-opt+bumproot/osh mut
29 24 4 33.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 32 4 26.3 osh-native mut+alloc
38 25 13 26.6 osh-native mut+alloc+free
28 24 4 8.0 osh-native mut+alloc+free+gc
28 28 0 7.7 osh-native mut+alloc+free+gc+exit
53 41 12 35.9 _bin/cxx-opt+nopool/osh mut+alloc
38 37 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
73 69 4 3.1 bash -
168 92 76 55.5 bumpleak/osh mut
178 122 55 55.1 _bin/cxx-opt+bumproot/osh mut
195 139 56 56.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 160 52 46.9 osh-native mut+alloc
233 149 84 48.9 osh-native mut+alloc+free
181 129 52 8.5 osh-native mut+alloc+free+gc
182 129 53 8.5 osh-native mut+alloc+free+gc+exit
232 164 68 64.1 _bin/cxx-opt+nopool/osh mut+alloc
209 153 56 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 3.4 dash -
20 11 9 4.5 bash -
18 16 2 3.5 zsh -
19 11 8 11.7 bumpleak/osh mut
22 15 6 12.7 _bin/cxx-opt+bumproot/osh mut
20 18 2 12.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 13 9 10.9 osh-native mut+alloc
23 18 5 10.9 osh-native mut+alloc+free
23 13 11 8.9 osh-native mut+alloc+free+gc
23 11 12 8.8 osh-native mut+alloc+free+gc+exit
25 16 10 12.5 _bin/cxx-opt+nopool/osh mut+alloc
25 24 1 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc