Memory Management Overhead

Source code: oils/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 30 4 11 12.0 18.6 471,275 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 32 4 10 12.0 18.9 471,275 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 118 18 54 45.9 51.7 1,638,014 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 127 18 53 45.9 52.3 1,638,013 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 8 1 2 2.6 8.8 102,803 180 3 86,646 1 43,323 osh-native
parse.abuild 9 1 2 2.6 9.3 102,803 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.3 572,127 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 24 0 2 2.8 8.8 572,127 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 172 0 5 11.6 9.2 990,273 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 175 0 4 11.6 9.7 990,272 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 17 1 2 3.0 9.6 117,234 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 18 1 2 3.0 10.1 117,233 277 3 84,016 1 42,008 osh-nosouffle

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
5 4 1 1.7 dash -
11 10 1 3.5 bash -
63 40 27 3.4 zsh -
16 9 7 30.5 bumpleak/osh mut
16 10 6 30.5 _bin/cxx-opt+bumproot/osh mut
18 12 6 30.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 17 4 25.4 osh-native mut+alloc
25 19 5 26.0 osh-native mut+alloc+free
30 26 4 18.6 osh-native mut+alloc+free+gc
31 24 7 18.4 osh-native mut+alloc+free+gc+exit
24 20 4 26.0 osh-nosouffle mut+alloc
27 20 7 26.6 osh-nosouffle mut+alloc+free
32 27 5 18.9 osh-nosouffle mut+alloc+free+gc
33 28 5 18.7 osh-nosouffle mut+alloc+free+gc+exit
33 22 10 32.2 _bin/cxx-opt+nopool/osh mut+alloc
41 35 6 22.7 _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
18 18 0 1.7 dash -
38 37 1 3.5 bash -
228 143 100 3.7 zsh -
48 35 14 85.1 bumpleak/osh mut
52 38 14 85.8 _bin/cxx-opt+bumproot/osh mut
60 42 18 85.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
71 48 23 73.8 osh-native mut+alloc
81 59 22 75.6 osh-native mut+alloc+free
118 103 15 51.7 osh-native mut+alloc+free+gc
124 107 17 52.5 osh-native mut+alloc+free+gc+exit
79 60 19 74.2 osh-nosouffle mut+alloc
91 72 19 76.2 osh-nosouffle mut+alloc+free
127 106 21 52.3 osh-nosouffle mut+alloc+free+gc
132 112 20 53.1 osh-nosouffle mut+alloc+free+gc+exit
109 78 31 99.1 _bin/cxx-opt+nopool/osh mut+alloc
167 135 32 72.8 _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 1.7 dash -
3 3 0 3.3 bash -
5 2 3 3.5 zsh -
6 2 3 12.5 bumpleak/osh mut
6 4 2 12.7 _bin/cxx-opt+bumproot/osh mut
6 5 1 12.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
6 2 4 10.6 osh-native mut+alloc
7 5 1 10.6 osh-native mut+alloc+free
8 5 3 8.8 osh-native mut+alloc+free+gc
8 6 2 8.8 osh-native mut+alloc+free+gc+exit
7 7 0 11.0 osh-nosouffle mut+alloc
8 6 2 11.3 osh-nosouffle mut+alloc+free
9 6 3 9.3 osh-nosouffle mut+alloc+free+gc
9 6 3 9.3 osh-nosouffle mut+alloc+free+gc+exit
9 6 3 12.0 _bin/cxx-opt+nopool/osh mut+alloc
10 7 3 9.6 _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
9 9 0 1.7 dash -
29 28 1 3.4 bash -
17 14 3 3.4 zsh -
18 10 8 32.2 bumpleak/osh mut
20 16 4 33.1 _bin/cxx-opt+bumproot/osh mut
22 16 6 32.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 18 7 26.9 osh-native mut+alloc
28 23 5 27.0 osh-native mut+alloc+free
20 18 2 8.3 osh-native mut+alloc+free+gc
20 18 2 8.3 osh-native mut+alloc+free+gc+exit
30 19 11 27.3 osh-nosouffle mut+alloc
33 24 9 27.5 osh-nosouffle mut+alloc+free
24 24 0 8.8 osh-nosouffle mut+alloc+free+gc
24 22 2 8.8 osh-nosouffle mut+alloc+free+gc+exit
41 29 12 36.3 _bin/cxx-opt+nopool/osh mut+alloc
29 28 1 9.8 _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
96 94 2 3.5 bash -
169 147 22 57.3 bumpleak/osh mut
177 155 22 57.3 _bin/cxx-opt+bumproot/osh mut
186 165 21 56.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
192 155 37 49.0 osh-native mut+alloc
202 169 33 50.9 osh-native mut+alloc+free
172 153 19 9.2 osh-native mut+alloc+free+gc
174 161 13 9.0 osh-native mut+alloc+free+gc+exit
197 166 31 49.4 osh-nosouffle mut+alloc
205 166 39 51.4 osh-nosouffle mut+alloc+free
175 155 20 9.7 osh-nosouffle mut+alloc+free+gc
176 154 22 9.8 osh-nosouffle mut+alloc+free+gc+exit
218 184 34 64.4 _bin/cxx-opt+nopool/osh mut+alloc
200 184 16 10.8 _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
7 4 3 4.1 dash -
12 8 5 4.8 bash -
11 7 4 4.1 zsh -
16 9 7 13.3 bumpleak/osh mut
14 8 7 12.8 _bin/cxx-opt+bumproot/osh mut
14 10 5 14.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
15 8 8 11.7 osh-native mut+alloc
17 9 8 11.8 osh-native mut+alloc+free
17 11 7 9.6 osh-native mut+alloc+free+gc
18 13 5 9.8 osh-native mut+alloc+free+gc+exit
16 12 5 12.2 osh-nosouffle mut+alloc
18 11 7 12.3 osh-nosouffle mut+alloc+free
18 16 2 10.1 osh-nosouffle mut+alloc+free+gc
19 12 7 10.1 osh-nosouffle mut+alloc+free+gc+exit
18 9 9 13.1 _bin/cxx-opt+nopool/osh mut+alloc
19 13 7 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc