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 18.2 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 35 4 10 12.0 18.6 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 141 27 68 45.9 51.6 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 161 30 76 45.9 52.1 1,637,990 4,764 12 1,056,638 6 787,840 osh-nosouffle
parse.abuild 9 1 2 2.6 8.5 102,780 180 3 86,618 1 43,309 osh-native
parse.abuild 10 1 2 2.6 9.2 102,780 180 3 86,626 1 43,313 osh-nosouffle
ex.compute-fib 20 0 1 2.8 8.1 576,705 22,608 12 50,000 0 2,976 osh-native
ex.compute-fib 26 0 1 2.8 8.5 576,705 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 226 0 5 11.6 9.0 990,260 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 229 0 4 11.6 9.6 990,259 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.6 117,247 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 22 1 2 3.0 10.0 117,246 277 3 83,988 1 41,994 osh-nosouffle

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
7 6 1 1.7 dash -
13 12 1 3.4 bash -
92 51 48 3.5 zsh -
15 11 4 29.1 bumpleak/osh mut
16 12 5 29.5 _bin/cxx-opt+bumproot/osh mut
20 15 5 28.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 19 6 25.4 osh-native mut+alloc
27 16 11 25.8 osh-native mut+alloc+free
32 26 6 18.2 osh-native mut+alloc+free+gc
34 24 9 18.2 osh-native mut+alloc+free+gc+exit
28 14 14 25.8 osh-nosouffle mut+alloc
31 21 10 26.3 osh-nosouffle mut+alloc+free
35 28 7 18.6 osh-nosouffle mut+alloc+free+gc
36 29 7 18.7 osh-nosouffle mut+alloc+free+gc+exit
40 25 14 32.7 _bin/cxx-opt+nopool/osh mut+alloc
46 33 13 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 21 2 1.7 dash -
43 41 2 3.4 bash -
329 180 173 3.7 zsh -
45 35 11 86.2 bumpleak/osh mut
49 37 12 85.6 _bin/cxx-opt+bumproot/osh mut
60 46 14 86.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
85 50 35 73.7 osh-native mut+alloc
92 54 38 75.4 osh-native mut+alloc+free
141 121 20 51.6 osh-native mut+alloc+free+gc
149 128 21 52.4 osh-native mut+alloc+free+gc+exit
93 56 37 74.3 osh-nosouffle mut+alloc
103 67 36 76.0 osh-nosouffle mut+alloc+free
161 138 23 52.1 osh-nosouffle mut+alloc+free+gc
160 139 21 52.8 osh-nosouffle mut+alloc+free+gc+exit
128 72 56 99.0 _bin/cxx-opt+nopool/osh mut+alloc
211 174 37 73.3 _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 1 1 1.6 dash -
4 3 1 3.1 bash -
7 4 3 3.3 zsh -
6 3 3 12.5 bumpleak/osh mut
6 2 4 13.1 _bin/cxx-opt+bumproot/osh mut
7 4 3 12.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.6 osh-native mut+alloc
8 5 4 10.6 osh-native mut+alloc+free
9 7 2 8.5 osh-native mut+alloc+free+gc
9 5 4 8.9 osh-native mut+alloc+free+gc+exit
9 5 4 10.7 osh-nosouffle mut+alloc
10 5 5 11.0 osh-nosouffle mut+alloc+free
10 8 2 9.2 osh-nosouffle mut+alloc+free+gc
10 7 4 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 5 7 12.0 _bin/cxx-opt+nopool/osh mut+alloc
13 8 4 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
10 10 0 1.4 dash -
31 29 2 3.3 bash -
21 14 7 3.3 zsh -
17 15 2 32.9 bumpleak/osh mut
18 13 5 32.1 _bin/cxx-opt+bumproot/osh mut
21 17 4 32.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 14 15 27.0 osh-native mut+alloc
31 22 9 27.3 osh-native mut+alloc+free
20 17 3 8.1 osh-native mut+alloc+free+gc
20 17 3 8.4 osh-native mut+alloc+free+gc+exit
34 21 13 27.5 osh-nosouffle mut+alloc
36 23 13 27.7 osh-nosouffle mut+alloc+free
26 24 2 8.5 osh-nosouffle mut+alloc+free+gc
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc+exit
47 25 22 36.3 _bin/cxx-opt+nopool/osh mut+alloc
30 26 4 9.7 _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
104 100 4 3.5 bash -
219 161 58 56.2 bumpleak/osh mut
223 176 47 56.5 _bin/cxx-opt+bumproot/osh mut
246 178 68 58.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
259 184 75 48.8 osh-native mut+alloc
270 196 74 50.7 osh-native mut+alloc+free
226 185 40 9.0 osh-native mut+alloc+free+gc
225 185 40 9.0 osh-native mut+alloc+free+gc+exit
262 199 63 49.4 osh-nosouffle mut+alloc
270 188 83 51.1 osh-nosouffle mut+alloc+free
229 178 51 9.6 osh-nosouffle mut+alloc+free+gc
228 181 47 9.6 osh-nosouffle mut+alloc+free+gc+exit
283 198 85 64.7 _bin/cxx-opt+nopool/osh mut+alloc
257 213 43 10.5 _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 4 5 4.1 dash -
16 6 11 4.7 bash -
16 5 11 3.9 zsh -
18 8 10 12.5 bumpleak/osh mut
19 9 11 13.5 _bin/cxx-opt+bumproot/osh mut
19 13 7 14.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 11 10 11.5 osh-native mut+alloc
21 11 11 11.7 osh-native mut+alloc+free
21 9 13 9.6 osh-native mut+alloc+free+gc
22 10 13 9.7 osh-native mut+alloc+free+gc+exit
21 8 14 12.2 osh-nosouffle mut+alloc
22 11 12 12.2 osh-nosouffle mut+alloc+free
22 14 9 10.0 osh-nosouffle mut+alloc+free+gc
23 14 9 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 12 12 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 12 12 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc