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 18.5 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 35 4 12 12.0 18.9 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 126 20 60 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 137 20 60 45.9 52.1 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 10 1 2 2.6 9.3 102,804 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.4 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 24 0 2 2.8 8.8 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 175 0 6 11.6 9.2 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 177 0 5 11.6 9.6 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 18 1 2 3.0 9.7 117,259 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 19 1 2 3.0 10.0 117,258 277 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
6 5 1 1.7 dash -
11 10 1 3.4 bash -
65 41 29 3.5 zsh -
16 11 5 30.7 bumpleak/osh mut
17 12 5 30.3 _bin/cxx-opt+bumproot/osh mut
19 12 7 29.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 15 7 25.6 osh-native mut+alloc
25 18 7 26.0 osh-native mut+alloc+free
31 22 9 18.5 osh-native mut+alloc+free+gc
33 26 7 18.4 osh-native mut+alloc+free+gc+exit
25 21 4 26.1 osh-nosouffle mut+alloc
28 18 9 26.3 osh-nosouffle mut+alloc+free
35 29 6 18.9 osh-nosouffle mut+alloc+free+gc
35 27 8 18.7 osh-nosouffle mut+alloc+free+gc+exit
35 26 9 33.3 _bin/cxx-opt+nopool/osh mut+alloc
44 37 7 22.8 _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 -
231 148 97 3.7 zsh -
48 32 16 86.4 bumpleak/osh mut
53 37 16 86.4 _bin/cxx-opt+bumproot/osh mut
62 49 13 86.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
70 44 26 73.8 osh-native mut+alloc
80 58 23 75.6 osh-native mut+alloc+free
126 111 15 51.7 osh-native mut+alloc+free+gc
134 111 23 52.5 osh-native mut+alloc+free+gc+exit
80 61 19 74.2 osh-nosouffle mut+alloc
93 59 34 76.2 osh-nosouffle mut+alloc+free
137 119 18 52.1 osh-nosouffle mut+alloc+free+gc
145 131 14 53.0 osh-nosouffle mut+alloc+free+gc+exit
111 71 40 98.8 _bin/cxx-opt+nopool/osh mut+alloc
178 153 25 73.7 _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 0 1.7 dash -
3 3 0 3.1 bash -
5 4 1 3.4 zsh -
6 2 4 12.7 bumpleak/osh mut
6 5 1 11.6 _bin/cxx-opt+bumproot/osh mut
6 4 3 11.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
7 5 2 10.6 osh-native mut+alloc
7 6 1 10.7 osh-native mut+alloc+free
9 6 3 8.8 osh-native mut+alloc+free+gc
9 8 1 8.8 osh-native mut+alloc+free+gc+exit
8 4 4 11.0 osh-nosouffle mut+alloc
8 7 1 11.1 osh-nosouffle mut+alloc+free
10 9 1 9.3 osh-nosouffle mut+alloc+free+gc
10 6 4 9.6 osh-nosouffle mut+alloc+free+gc+exit
9 7 2 12.0 _bin/cxx-opt+nopool/osh mut+alloc
11 8 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 8 1 1.6 dash -
29 28 1 3.3 bash -
17 12 4 3.4 zsh -
18 12 6 33.9 bumpleak/osh mut
20 16 4 33.2 _bin/cxx-opt+bumproot/osh mut
23 16 7 32.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 19 7 27.0 osh-native mut+alloc
29 21 8 27.1 osh-native mut+alloc+free
20 19 1 8.4 osh-native mut+alloc+free+gc
20 18 2 8.3 osh-native mut+alloc+free+gc+exit
30 21 9 27.3 osh-nosouffle mut+alloc
33 23 10 27.6 osh-nosouffle mut+alloc+free
24 19 5 8.8 osh-nosouffle mut+alloc+free+gc
25 24 1 8.8 osh-nosouffle mut+alloc+free+gc+exit
40 23 17 36.8 _bin/cxx-opt+nopool/osh mut+alloc
29 26 3 10.0 _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 90 6 3.5 bash -
172 153 19 55.9 bumpleak/osh mut
180 152 28 56.5 _bin/cxx-opt+bumproot/osh mut
189 150 39 57.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
194 169 25 48.9 osh-native mut+alloc
207 178 29 50.7 osh-native mut+alloc+free
175 152 23 9.2 osh-native mut+alloc+free+gc
174 154 20 9.2 osh-native mut+alloc+free+gc+exit
200 159 41 49.4 osh-nosouffle mut+alloc
209 169 40 51.4 osh-nosouffle mut+alloc+free
177 155 22 9.6 osh-nosouffle mut+alloc+free+gc
179 159 20 10.0 osh-nosouffle mut+alloc+free+gc+exit
219 186 33 64.8 _bin/cxx-opt+nopool/osh mut+alloc
207 194 13 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
8 4 4 3.9 dash -
15 6 9 5.0 bash -
11 8 4 4.1 zsh -
15 6 9 12.5 bumpleak/osh mut
17 8 9 13.8 _bin/cxx-opt+bumproot/osh mut
16 10 6 13.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
16 11 5 11.8 osh-native mut+alloc
17 10 8 11.8 osh-native mut+alloc+free
18 12 6 9.7 osh-native mut+alloc+free+gc
18 13 6 9.6 osh-native mut+alloc+free+gc+exit
17 11 6 12.2 osh-nosouffle mut+alloc
19 12 7 12.3 osh-nosouffle mut+alloc+free
19 15 4 10.0 osh-nosouffle mut+alloc+free+gc
19 11 8 10.2 osh-nosouffle mut+alloc+free+gc+exit
18 7 12 13.1 _bin/cxx-opt+nopool/osh mut+alloc
20 14 7 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc