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 17.8 476,684 1,282 6 408,754 5 204,377 osh-native
parse.configure-coreutils 155 24 67 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 180 0 3 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 9.0 116,284 478 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
7 7 0 1.6 dash -
23 19 4 3.1 bash -
105 62 49 3.3 zsh -
17 17 0 29.7 bumpleak/osh mut
19 15 4 28.9 _bin/cxx-opt+bumproot/osh mut
22 22 0 29.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 17 13 25.2 osh-native mut+alloc
32 28 4 25.6 osh-native mut+alloc+free
36 28 8 17.8 osh-native mut+alloc+free+gc
37 25 11 18.0 osh-native mut+alloc+free+gc+exit
43 12 31 32.0 _bin/cxx-opt+nopool/osh mut+alloc
50 45 4 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 -
78 73 4 3.1 bash -
379 200 200 3.5 zsh -
49 49 0 85.4 bumpleak/osh mut
60 48 12 85.6 _bin/cxx-opt+bumproot/osh mut
71 63 8 84.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 70 27 73.3 osh-native mut+alloc
105 74 31 75.3 osh-native mut+alloc+free
155 135 20 51.4 osh-native mut+alloc+free+gc
158 134 24 52.2 osh-native mut+alloc+free+gc+exit
138 85 53 99.1 _bin/cxx-opt+nopool/osh mut+alloc
214 177 36 73.5 _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 3 3 3.0 bash -
8 8 0 3.4 zsh -
6 0 6 12.1 bumpleak/osh mut
7 0 7 11.3 _bin/cxx-opt+bumproot/osh mut
7 7 0 10.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 3 6 10.0 osh-native mut+alloc
9 4 4 10.0 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
9 5 5 8.7 osh-native mut+alloc+free+gc+exit
11 4 8 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 8 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 -
28 24 4 3.0 bash -
24 20 4 3.4 zsh -
19 15 4 32.1 bumpleak/osh mut
27 23 4 32.8 _bin/cxx-opt+bumproot/osh mut
29 29 0 32.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 24 12 26.2 osh-native mut+alloc
38 26 11 26.6 osh-native mut+alloc+free
28 28 0 7.9 osh-native mut+alloc+free+gc
28 28 0 8.0 osh-native mut+alloc+free+gc+exit
54 37 16 35.9 _bin/cxx-opt+nopool/osh mut+alloc
37 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 -
169 116 52 54.5 bumpleak/osh mut
179 127 52 55.1 _bin/cxx-opt+bumproot/osh mut
195 127 67 55.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 160 52 47.1 osh-native mut+alloc
217 146 71 48.6 osh-native mut+alloc+free
180 112 68 8.5 osh-native mut+alloc+free+gc
178 123 55 8.7 osh-native mut+alloc+free+gc+exit
234 131 103 62.5 _bin/cxx-opt+nopool/osh mut+alloc
209 145 64 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 3.5 dash -
20 13 7 4.3 bash -
18 9 10 3.4 zsh -
20 19 1 12.8 bumpleak/osh mut
20 11 9 12.0 _bin/cxx-opt+bumproot/osh mut
21 8 14 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 19 3 10.9 osh-native mut+alloc
23 8 16 10.7 osh-native mut+alloc+free
23 19 5 9.0 osh-native mut+alloc+free+gc
23 15 9 8.8 osh-native mut+alloc+free+gc+exit
25 20 5 12.6 _bin/cxx-opt+nopool/osh mut+alloc
26 23 3 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc