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 37 3 10 12.0 17.7 476,684 1,282 6 408,754 5 204,377 osh-native
parse.configure-coreutils 147 24 60 46.1 51.6 1,653,272 4,764 12 1,069,120 6 798,641 osh-native
parse.abuild 9 1 1 2.6 8.3 101,875 180 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 181 0 3 10.6 8.7 995,217 27,376 21 50,000 0 3,820 osh-native
ex.abuild-print-help 22 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
6 6 0 1.4 dash -
23 23 0 3.0 bash -
104 49 61 3.3 zsh -
16 12 4 28.9 bumpleak/osh mut
20 12 8 30.3 _bin/cxx-opt+bumproot/osh mut
22 18 4 30.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 21 8 25.0 osh-native mut+alloc
32 16 16 25.6 osh-native mut+alloc+free
37 25 11 17.7 osh-native mut+alloc+free+gc
36 32 4 18.0 osh-native mut+alloc+free+gc+exit
44 32 12 32.0 _bin/cxx-opt+nopool/osh mut+alloc
49 36 12 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
21 17 4 1.6 dash -
78 74 4 3.1 bash -
377 222 178 3.5 zsh -
49 33 16 85.8 bumpleak/osh mut
60 56 4 85.6 _bin/cxx-opt+bumproot/osh mut
69 52 16 86.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 65 32 73.3 osh-native mut+alloc
106 86 20 75.1 osh-native mut+alloc+free
147 123 24 51.6 osh-native mut+alloc+free+gc
156 123 32 52.2 osh-native mut+alloc+free+gc+exit
139 98 41 98.0 _bin/cxx-opt+nopool/osh mut+alloc
210 158 51 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 0 2 1.4 dash -
6 3 3 2.9 bash -
8 4 4 3.3 zsh -
6 6 0 11.0 bumpleak/osh mut
7 4 4 11.9 _bin/cxx-opt+bumproot/osh mut
8 4 4 12.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 0 8 10.0 osh-native mut+alloc
9 4 4 9.8 osh-native mut+alloc+free
9 3 6 8.3 osh-native mut+alloc+free+gc
9 9 0 8.7 osh-native mut+alloc+free+gc+exit
11 8 4 11.3 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 9.3 _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 1.6 dash -
29 29 0 2.9 bash -
24 20 4 3.1 zsh -
19 15 4 32.1 bumpleak/osh mut
25 18 7 31.3 _bin/cxx-opt+bumproot/osh mut
28 20 8 31.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 24 12 26.5 osh-native mut+alloc
37 19 19 26.6 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
28 24 4 8.0 osh-native mut+alloc+free+gc+exit
54 42 12 35.9 _bin/cxx-opt+nopool/osh mut+alloc
37 30 7 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
74 57 16 3.0 bash -
168 112 56 54.9 bumpleak/osh mut
179 139 40 56.0 _bin/cxx-opt+bumproot/osh mut
194 125 69 57.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 135 76 47.2 osh-native mut+alloc
218 137 81 48.8 osh-native mut+alloc+free
181 125 56 8.7 osh-native mut+alloc+free+gc
179 123 56 8.5 osh-native mut+alloc+free+gc+exit
232 151 80 63.5 _bin/cxx-opt+nopool/osh mut+alloc
209 153 56 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 10 0 3.5 dash -
20 14 6 4.5 bash -
18 5 13 3.5 zsh -
19 11 8 11.4 bumpleak/osh mut
21 13 8 13.0 _bin/cxx-opt+bumproot/osh mut
21 17 4 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 16 6 11.0 osh-native mut+alloc
22 14 9 10.9 osh-native mut+alloc+free
22 20 3 9.0 osh-native mut+alloc+free+gc
23 20 3 8.8 osh-native mut+alloc+free+gc+exit
25 21 5 12.5 _bin/cxx-opt+nopool/osh mut+alloc
25 14 11 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc