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 18.2 471,263 1,282 6 413,142 5 206,571 osh-native
parse.configure-cpython 35 4 10 12.0 18.5 471,263 1,282 6 413,150 5 206,575 osh-nosouffle
parse.configure-coreutils 141 26 66 45.9 51.6 1,638,002 4,764 12 1,056,640 6 787,841 osh-native
parse.configure-coreutils 157 27 73 45.9 52.4 1,638,001 4,764 12 1,056,648 6 787,845 osh-nosouffle
parse.abuild 9 1 2 2.6 8.7 102,791 180 3 86,628 1 43,314 osh-native
parse.abuild 10 1 2 2.6 9.3 102,791 180 3 86,636 1 43,318 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.3 572,115 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 222 0 4 11.6 9.2 990,261 15,258 21 50,000 0 3,965 osh-native
ex.bashcomp-parse-help 229 0 4 11.6 9.4 990,260 15,258 21 50,000 0 3,969 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.6 117,219 277 3 83,990 1 41,995 osh-native
ex.abuild-print-help 23 1 2 3.0 10.1 117,218 277 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
6 5 2 1.7 dash -
13 12 1 3.3 bash -
89 52 43 3.5 zsh -
15 10 5 29.4 bumpleak/osh mut
17 13 4 28.8 _bin/cxx-opt+bumproot/osh mut
19 13 6 28.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 17 9 25.6 osh-native mut+alloc
28 15 13 25.8 osh-native mut+alloc+free
32 24 8 18.2 osh-native mut+alloc+free+gc
35 28 7 18.2 osh-native mut+alloc+free+gc+exit
29 21 8 26.0 osh-nosouffle mut+alloc
31 19 12 26.3 osh-nosouffle mut+alloc+free
35 32 3 18.5 osh-nosouffle mut+alloc+free+gc
35 28 7 18.6 osh-nosouffle mut+alloc+free+gc+exit
39 26 13 32.9 _bin/cxx-opt+nopool/osh mut+alloc
47 35 12 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 22 1 1.7 dash -
42 41 1 3.5 bash -
325 198 149 3.5 zsh -
45 35 10 85.2 bumpleak/osh mut
48 40 8 86.5 _bin/cxx-opt+bumproot/osh mut
59 47 12 85.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
85 49 36 73.5 osh-native mut+alloc
94 58 36 75.5 osh-native mut+alloc+free
141 117 24 51.6 osh-native mut+alloc+free+gc
148 121 27 52.5 osh-native mut+alloc+free+gc+exit
94 68 26 74.2 osh-nosouffle mut+alloc
101 67 34 75.9 osh-nosouffle mut+alloc+free
157 128 29 52.4 osh-nosouffle mut+alloc+free+gc
159 133 26 52.9 osh-nosouffle mut+alloc+free+gc+exit
128 83 45 99.2 _bin/cxx-opt+nopool/osh mut+alloc
217 181 36 72.3 _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 1.7 dash -
4 3 1 3.1 bash -
7 6 0 3.4 zsh -
6 4 2 11.7 bumpleak/osh mut
6 3 4 11.9 _bin/cxx-opt+bumproot/osh mut
7 6 1 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 3 5 10.5 osh-native mut+alloc
9 6 2 10.6 osh-native mut+alloc+free
9 3 7 8.7 osh-native mut+alloc+free+gc
9 5 5 8.9 osh-native mut+alloc+free+gc+exit
9 6 3 10.9 osh-nosouffle mut+alloc
9 5 4 11.3 osh-nosouffle mut+alloc+free
10 8 2 9.3 osh-nosouffle mut+alloc+free+gc
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 6 5 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 9 4 9.8 _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 10 0 1.6 dash -
31 30 1 3.3 bash -
21 15 6 3.4 zsh -
16 13 3 31.6 bumpleak/osh mut
18 13 5 32.1 _bin/cxx-opt+bumproot/osh mut
21 17 5 33.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 21 8 27.0 osh-native mut+alloc
31 19 12 27.0 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 20 14 27.3 osh-nosouffle mut+alloc
36 28 8 27.5 osh-nosouffle mut+alloc+free
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc
25 20 5 8.8 osh-nosouffle mut+alloc+free+gc+exit
46 24 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
103 99 4 3.3 bash -
212 169 43 57.9 bumpleak/osh mut
221 166 55 56.7 _bin/cxx-opt+bumproot/osh mut
239 189 50 56.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
260 182 78 48.8 osh-native mut+alloc
265 187 78 50.7 osh-native mut+alloc+free
222 167 55 9.2 osh-native mut+alloc+free+gc
223 183 39 9.0 osh-native mut+alloc+free+gc+exit
262 189 73 49.6 osh-nosouffle mut+alloc
273 200 73 51.1 osh-nosouffle mut+alloc+free
229 175 53 9.4 osh-nosouffle mut+alloc+free+gc
229 192 37 9.6 osh-nosouffle mut+alloc+free+gc+exit
281 203 78 65.1 _bin/cxx-opt+nopool/osh mut+alloc
252 216 36 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 2 7 3.8 dash -
16 7 10 4.7 bash -
16 5 11 3.9 zsh -
18 8 10 12.7 bumpleak/osh mut
18 10 8 13.0 _bin/cxx-opt+bumproot/osh mut
18 8 11 12.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 13 7 11.4 osh-native mut+alloc
21 10 11 11.7 osh-native mut+alloc+free
21 14 8 9.6 osh-native mut+alloc+free+gc
22 9 14 9.4 osh-native mut+alloc+free+gc+exit
21 8 13 12.1 osh-nosouffle mut+alloc
22 11 12 12.2 osh-nosouffle mut+alloc+free
23 11 12 10.1 osh-nosouffle mut+alloc+free+gc
23 13 10 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 10 14 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 14 11 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc