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 18.4 471,263 1,282 6 413,142 5 206,571 osh-native
parse.configure-cpython 36 4 11 12.0 18.7 471,263 1,282 6 413,150 5 206,575 osh-nosouffle
parse.configure-coreutils 158 28 82 45.9 51.7 1,638,002 4,764 12 1,056,640 6 787,841 osh-native
parse.configure-coreutils 166 28 81 45.9 52.1 1,638,001 4,764 12 1,056,648 6 787,845 osh-nosouffle
parse.abuild 10 1 2 2.6 8.8 102,791 180 3 86,628 1 43,314 osh-native
parse.abuild 11 1 3 2.6 9.2 102,791 180 3 86,636 1 43,318 osh-nosouffle
ex.compute-fib 20 0 1 2.8 8.4 572,115 22,608 12 50,000 0 2,982 osh-native
ex.compute-fib 25 0 2 2.8 8.7 572,115 22,608 12 50,000 0 2,985 osh-nosouffle
ex.bashcomp-parse-help 223 0 4 11.6 9.0 990,261 15,258 21 50,000 0 3,965 osh-native
ex.bashcomp-parse-help 246 0 4 11.6 9.6 990,260 15,258 21 50,000 0 3,969 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.4 117,219 277 3 83,990 1 41,995 osh-native
ex.abuild-print-help 23 1 2 3.0 10.0 117,218 277 3 83,998 1 41,999 osh-nosouffle

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
7 7 0 1.8 dash -
13 13 0 3.3 bash -
91 54 45 3.4 zsh -
16 12 4 28.5 bumpleak/osh mut
16 11 5 29.8 _bin/cxx-opt+bumproot/osh mut
20 13 7 30.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 17 9 25.4 osh-native mut+alloc
28 17 11 25.7 osh-native mut+alloc+free
32 24 8 18.4 osh-native mut+alloc+free+gc
33 28 6 18.2 osh-native mut+alloc+free+gc+exit
29 19 10 26.0 osh-nosouffle mut+alloc
30 16 14 26.2 osh-nosouffle mut+alloc+free
36 30 6 18.7 osh-nosouffle mut+alloc+free+gc
37 27 10 18.6 osh-nosouffle mut+alloc+free+gc+exit
39 20 20 33.2 _bin/cxx-opt+nopool/osh mut+alloc
49 38 11 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 1.7 dash -
42 40 2 3.5 bash -
330 187 168 3.5 zsh -
46 34 12 84.8 bumpleak/osh mut
49 43 6 84.8 _bin/cxx-opt+bumproot/osh mut
60 39 21 85.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 40 44 73.7 osh-native mut+alloc
95 60 35 75.5 osh-native mut+alloc+free
158 135 23 51.7 osh-native mut+alloc+free+gc
166 145 20 52.4 osh-native mut+alloc+free+gc+exit
99 71 28 74.1 osh-nosouffle mut+alloc
103 65 38 75.9 osh-nosouffle mut+alloc+free
166 147 19 52.1 osh-nosouffle mut+alloc+free+gc
158 134 24 52.8 osh-nosouffle mut+alloc+free+gc+exit
127 80 47 98.5 _bin/cxx-opt+nopool/osh mut+alloc
225 189 36 73.4 _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 1.7 dash -
4 3 1 3.1 bash -
7 2 4 3.5 zsh -
6 3 3 13.0 bumpleak/osh mut
7 2 5 12.2 _bin/cxx-opt+bumproot/osh mut
7 4 3 11.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.5 osh-native mut+alloc
9 7 1 10.5 osh-native mut+alloc+free
10 6 4 8.8 osh-native mut+alloc+free+gc
10 8 2 8.8 osh-native mut+alloc+free+gc+exit
9 6 3 11.0 osh-nosouffle mut+alloc
10 6 4 11.1 osh-nosouffle mut+alloc+free
11 8 3 9.2 osh-nosouffle mut+alloc+free+gc
11 7 4 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 4 7 12.0 _bin/cxx-opt+nopool/osh mut+alloc
12 7 5 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 1.7 dash -
31 29 1 3.1 bash -
21 14 7 3.3 zsh -
17 12 5 32.4 bumpleak/osh mut
18 13 5 32.3 _bin/cxx-opt+bumproot/osh mut
22 15 6 32.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 17 12 26.7 osh-native mut+alloc
30 21 10 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
34 17 17 27.1 osh-nosouffle mut+alloc
37 29 7 27.7 osh-nosouffle mut+alloc+free
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc
38 36 2 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 28 18 36.4 _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 -
212 161 51 57.4 bumpleak/osh mut
222 165 57 56.8 _bin/cxx-opt+bumproot/osh mut
238 166 72 58.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
258 183 75 48.8 osh-native mut+alloc
270 203 67 50.9 osh-native mut+alloc+free
223 173 50 9.0 osh-native mut+alloc+free+gc
225 183 41 9.0 osh-native mut+alloc+free+gc+exit
266 198 68 49.4 osh-nosouffle mut+alloc
276 204 72 51.1 osh-nosouffle mut+alloc+free
246 193 53 9.6 osh-nosouffle mut+alloc+free+gc
231 194 37 9.6 osh-nosouffle mut+alloc+free+gc+exit
280 200 79 64.8 _bin/cxx-opt+nopool/osh mut+alloc
257 208 49 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 8 8 4.8 bash -
16 5 11 4.1 zsh -
18 8 10 14.0 bumpleak/osh mut
19 10 9 13.0 _bin/cxx-opt+bumproot/osh mut
20 8 13 14.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 8 13 11.5 osh-native mut+alloc
21 10 12 11.7 osh-native mut+alloc+free
21 15 7 9.4 osh-native mut+alloc+free+gc
22 13 9 9.6 osh-native mut+alloc+free+gc+exit
21 8 13 12.2 osh-nosouffle mut+alloc
22 8 15 12.2 osh-nosouffle mut+alloc+free
23 14 10 10.0 osh-nosouffle mut+alloc+free+gc
23 15 8 10.1 osh-nosouffle mut+alloc+free+gc+exit
24 13 11 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 13 12 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc