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 32 4 10 12.0 18.2 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 35 4 10 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 141 26 67 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 143 24 61 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 8.5 102,804 180 3 86,646 1 43,323 osh-native
parse.abuild 10 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 26 0 2 2.8 8.7 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 221 0 4 11.6 9.0 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 227 0 4 11.6 9.6 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.4 117,235 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 21 1 2 3.0 10.1 117,234 277 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
7 7 0 1.6 dash -
13 12 1 3.3 bash -
89 49 47 3.4 zsh -
15 13 2 29.1 bumpleak/osh mut
16 13 2 29.4 _bin/cxx-opt+bumproot/osh mut
19 15 4 30.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 18 7 25.3 osh-native mut+alloc
28 17 11 25.7 osh-native mut+alloc+free
32 26 6 18.2 osh-native mut+alloc+free+gc
34 27 7 18.2 osh-native mut+alloc+free+gc+exit
29 18 11 25.8 osh-nosouffle mut+alloc
30 20 11 26.3 osh-nosouffle mut+alloc+free
35 29 6 18.7 osh-nosouffle mut+alloc+free+gc
36 32 4 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 24 15 32.1 _bin/cxx-opt+nopool/osh mut+alloc
50 36 14 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
23 23 0 1.6 dash -
43 42 1 3.5 bash -
327 183 166 3.7 zsh -
44 38 6 85.0 bumpleak/osh mut
48 37 11 85.8 _bin/cxx-opt+bumproot/osh mut
60 46 14 85.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 54 30 73.8 osh-native mut+alloc
93 55 38 75.5 osh-native mut+alloc+free
141 116 25 51.7 osh-native mut+alloc+free+gc
145 122 23 52.4 osh-native mut+alloc+free+gc+exit
91 60 31 74.1 osh-nosouffle mut+alloc
103 73 30 76.2 osh-nosouffle mut+alloc+free
143 111 32 52.1 osh-nosouffle mut+alloc+free+gc
150 125 25 52.9 osh-nosouffle mut+alloc+free+gc+exit
127 65 62 99.2 _bin/cxx-opt+nopool/osh mut+alloc
213 181 32 72.1 _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 1.6 dash -
4 3 1 3.3 bash -
7 4 2 3.4 zsh -
6 5 1 12.0 bumpleak/osh mut
6 5 1 12.7 _bin/cxx-opt+bumproot/osh mut
6 3 3 11.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.5 osh-native mut+alloc
9 3 6 10.6 osh-native mut+alloc+free
9 6 3 8.5 osh-native mut+alloc+free+gc
9 5 4 8.8 osh-native mut+alloc+free+gc+exit
9 4 5 11.0 osh-nosouffle mut+alloc
9 5 4 11.0 osh-nosouffle mut+alloc+free
10 8 2 9.2 osh-nosouffle mut+alloc+free+gc
10 7 4 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 7 4 11.8 _bin/cxx-opt+nopool/osh mut+alloc
12 10 2 9.4 _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 1.6 dash -
31 29 2 3.3 bash -
21 14 8 3.4 zsh -
17 12 5 32.9 bumpleak/osh mut
18 16 2 32.0 _bin/cxx-opt+bumproot/osh mut
21 18 3 31.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 22 7 26.9 osh-native mut+alloc
32 20 12 27.1 osh-native mut+alloc+free
20 19 1 8.3 osh-native mut+alloc+free+gc
20 17 3 8.3 osh-native mut+alloc+free+gc+exit
34 21 13 27.3 osh-nosouffle mut+alloc
36 27 9 27.5 osh-nosouffle mut+alloc+free
26 23 3 8.7 osh-nosouffle mut+alloc+free+gc
25 22 3 8.8 osh-nosouffle mut+alloc+free+gc+exit
46 26 20 36.2 _bin/cxx-opt+nopool/osh mut+alloc
30 27 2 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
105 98 6 3.5 bash -
213 161 52 56.1 bumpleak/osh mut
221 169 52 57.0 _bin/cxx-opt+bumproot/osh mut
237 161 76 57.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 180 76 48.8 osh-native mut+alloc
267 182 85 50.9 osh-native mut+alloc+free
221 186 35 9.0 osh-native mut+alloc+free+gc
222 173 49 9.2 osh-native mut+alloc+free+gc+exit
264 180 84 49.4 osh-nosouffle mut+alloc
271 201 69 51.3 osh-nosouffle mut+alloc+free
227 176 52 9.6 osh-nosouffle mut+alloc+free+gc
228 188 40 9.8 osh-nosouffle mut+alloc+free+gc+exit
282 193 89 66.0 _bin/cxx-opt+nopool/osh mut+alloc
253 214 39 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
9 3 6 3.8 dash -
16 8 9 4.8 bash -
15 7 9 3.9 zsh -
19 9 10 13.5 bumpleak/osh mut
18 11 8 13.3 _bin/cxx-opt+bumproot/osh mut
18 7 11 12.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 11 10 11.7 osh-native mut+alloc
21 12 10 11.5 osh-native mut+alloc+free
21 10 11 9.4 osh-native mut+alloc+free+gc
22 8 14 9.7 osh-native mut+alloc+free+gc+exit
21 10 12 12.2 osh-nosouffle mut+alloc
22 11 12 12.2 osh-nosouffle mut+alloc+free
21 10 12 10.1 osh-nosouffle mut+alloc+free+gc
22 12 11 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 9 15 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 14 10 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc