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 31 4 11 12.0 18.4 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 35 4 11 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 131 21 64 45.9 52.0 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 138 21 61 45.9 52.3 1,638,014 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 9 1 2 2.6 8.8 102,804 180 3 86,646 1 43,323 osh-native
parse.abuild 9 1 2 2.6 9.2 102,804 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.3 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 2 2.8 8.8 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 174 0 6 11.6 9.3 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 181 0 6 11.6 9.6 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 19 1 3 3.0 9.6 117,259 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 18 1 2 3.0 10.2 117,258 277 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 11 0 3.5 bash -
64 40 29 3.7 zsh -
16 13 3 29.3 bumpleak/osh mut
17 11 5 29.5 _bin/cxx-opt+bumproot/osh mut
19 15 4 30.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 15 7 25.3 osh-native mut+alloc
25 16 9 25.8 osh-native mut+alloc+free
31 27 4 18.4 osh-native mut+alloc+free+gc
32 26 6 18.4 osh-native mut+alloc+free+gc+exit
40 26 14 26.0 osh-nosouffle mut+alloc
35 22 13 26.3 osh-nosouffle mut+alloc+free
35 30 5 18.7 osh-nosouffle mut+alloc+free+gc
35 31 4 18.9 osh-nosouffle mut+alloc+free+gc+exit
34 22 12 32.5 _bin/cxx-opt+nopool/osh mut+alloc
44 37 7 22.6 _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 36 2 3.5 bash -
237 154 98 3.8 zsh -
49 36 13 85.4 bumpleak/osh mut
53 36 17 85.6 _bin/cxx-opt+bumproot/osh mut
64 44 20 86.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
71 40 31 73.9 osh-native mut+alloc
83 54 30 75.6 osh-native mut+alloc+free
131 119 12 52.0 osh-native mut+alloc+free+gc
139 119 20 52.4 osh-native mut+alloc+free+gc+exit
80 51 29 74.1 osh-nosouffle mut+alloc
92 66 26 76.2 osh-nosouffle mut+alloc+free
138 127 11 52.3 osh-nosouffle mut+alloc+free+gc
148 131 17 52.9 osh-nosouffle mut+alloc+free+gc+exit
109 65 44 98.0 _bin/cxx-opt+nopool/osh mut+alloc
196 169 27 71.6 _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
1 1 1 1.7 dash -
3 3 0 3.0 bash -
5 2 2 3.5 zsh -
5 2 4 11.2 bumpleak/osh mut
6 4 2 11.2 _bin/cxx-opt+bumproot/osh mut
6 3 3 11.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
7 3 4 10.5 osh-native mut+alloc
8 6 2 10.7 osh-native mut+alloc+free
9 7 2 8.8 osh-native mut+alloc+free+gc
9 8 1 8.8 osh-native mut+alloc+free+gc+exit
8 3 5 11.0 osh-nosouffle mut+alloc
8 7 1 11.1 osh-nosouffle mut+alloc+free
9 6 4 9.2 osh-nosouffle mut+alloc+free+gc
10 8 2 9.3 osh-nosouffle mut+alloc+free+gc+exit
9 6 3 11.9 _bin/cxx-opt+nopool/osh mut+alloc
11 10 1 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 1.6 dash -
29 28 1 3.4 bash -
17 15 2 3.4 zsh -
19 11 8 33.4 bumpleak/osh mut
22 15 7 32.2 _bin/cxx-opt+bumproot/osh mut
23 14 9 33.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 17 9 26.9 osh-native mut+alloc
29 19 9 27.0 osh-native mut+alloc+free
20 17 3 8.3 osh-native mut+alloc+free+gc
20 18 2 8.3 osh-native mut+alloc+free+gc+exit
30 20 10 27.4 osh-nosouffle mut+alloc
33 22 11 27.8 osh-nosouffle mut+alloc+free
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc
25 24 1 8.8 osh-nosouffle mut+alloc+free+gc+exit
41 30 11 36.3 _bin/cxx-opt+nopool/osh mut+alloc
28 25 3 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 93 3 3.4 bash -
171 143 28 56.2 bumpleak/osh mut
182 152 30 56.8 _bin/cxx-opt+bumproot/osh mut
195 157 37 57.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
195 163 32 49.0 osh-native mut+alloc
208 180 28 50.9 osh-native mut+alloc+free
174 143 31 9.3 osh-native mut+alloc+free+gc
177 159 18 9.2 osh-native mut+alloc+free+gc+exit
205 166 38 49.3 osh-nosouffle mut+alloc
234 196 38 51.3 osh-nosouffle mut+alloc+free
181 154 27 9.6 osh-nosouffle mut+alloc+free+gc
182 163 19 9.7 osh-nosouffle mut+alloc+free+gc+exit
223 173 50 65.0 _bin/cxx-opt+nopool/osh mut+alloc
207 188 19 10.7 _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 5 2 4.1 dash -
13 9 4 4.8 bash -
11 5 6 4.1 zsh -
16 11 6 13.4 bumpleak/osh mut
16 9 7 13.4 _bin/cxx-opt+bumproot/osh mut
18 10 8 14.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
16 8 8 11.7 osh-native mut+alloc
17 13 5 11.8 osh-native mut+alloc+free
19 15 5 9.6 osh-native mut+alloc+free+gc
18 12 7 9.6 osh-native mut+alloc+free+gc+exit
17 10 7 12.2 osh-nosouffle mut+alloc
18 10 8 12.5 osh-nosouffle mut+alloc+free
18 12 6 10.2 osh-nosouffle mut+alloc+free+gc
21 14 7 10.2 osh-nosouffle mut+alloc+free+gc+exit
19 11 9 13.2 _bin/cxx-opt+nopool/osh mut+alloc
20 12 8 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc