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 3 9 12.0 18.4 471,263 1,282 6 413,142 5 206,571 osh-native
parse.configure-cpython 34 3 9 12.0 18.7 471,263 1,282 6 413,150 5 206,575 osh-nosouffle
parse.configure-coreutils 143 26 69 45.9 51.7 1,638,002 4,764 12 1,056,640 6 787,841 osh-native
parse.configure-coreutils 142 23 60 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 8.8 102,791 180 3 86,628 1 43,314 osh-native
parse.abuild 10 1 2 2.6 9.2 102,791 180 3 86,636 1 43,318 osh-nosouffle
ex.compute-fib 20 0 1 2.8 8.3 572,115 22,608 12 50,000 0 2,982 osh-native
ex.compute-fib 25 0 1 2.8 8.8 572,115 22,608 12 50,000 0 2,985 osh-nosouffle
ex.bashcomp-parse-help 224 0 4 11.6 9.0 990,261 15,258 21 50,000 0 3,965 osh-native
ex.bashcomp-parse-help 229 0 4 11.6 9.6 990,260 15,258 21 50,000 0 3,969 osh-nosouffle
ex.abuild-print-help 22 1 2 3.0 9.3 117,219 277 3 83,990 1 41,995 osh-native
ex.abuild-print-help 22 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
6 7 0 1.7 dash -
13 12 1 3.3 bash -
89 50 46 3.5 zsh -
16 12 3 30.3 bumpleak/osh mut
16 12 4 29.5 _bin/cxx-opt+bumproot/osh mut
18 14 4 30.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 18 8 25.4 osh-native mut+alloc
28 13 15 25.8 osh-native mut+alloc+free
31 21 10 18.4 osh-native mut+alloc+free+gc
32 27 5 18.2 osh-native mut+alloc+free+gc+exit
28 20 8 26.0 osh-nosouffle mut+alloc
30 19 11 26.3 osh-nosouffle mut+alloc+free
34 31 3 18.7 osh-nosouffle mut+alloc+free+gc
35 25 10 18.6 osh-nosouffle mut+alloc+free+gc+exit
40 22 18 33.0 _bin/cxx-opt+nopool/osh mut+alloc
47 32 15 22.6 _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 1.8 dash -
42 41 1 3.4 bash -
329 191 162 3.7 zsh -
45 38 7 86.1 bumpleak/osh mut
49 38 11 86.4 _bin/cxx-opt+bumproot/osh mut
58 42 16 84.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
81 43 39 73.5 osh-native mut+alloc
91 56 35 75.5 osh-native mut+alloc+free
143 121 22 51.7 osh-native mut+alloc+free+gc
141 121 19 52.3 osh-native mut+alloc+free+gc+exit
94 57 33 74.2 osh-nosouffle mut+alloc
100 65 35 76.2 osh-nosouffle mut+alloc+free
142 113 29 52.4 osh-nosouffle mut+alloc+free+gc
153 131 22 52.9 osh-nosouffle mut+alloc+free+gc+exit
123 79 44 99.5 _bin/cxx-opt+nopool/osh mut+alloc
192 160 32 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
2 1 1 1.6 dash -
4 3 1 3.1 bash -
6 2 5 3.4 zsh -
6 3 3 11.3 bumpleak/osh mut
6 3 3 11.9 _bin/cxx-opt+bumproot/osh mut
7 7 0 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.4 osh-native mut+alloc
8 6 3 10.6 osh-native mut+alloc+free
9 6 3 8.8 osh-native mut+alloc+free+gc
9 7 2 8.9 osh-native mut+alloc+free+gc+exit
8 6 3 11.0 osh-nosouffle mut+alloc
9 7 2 11.1 osh-nosouffle mut+alloc+free
10 8 2 9.2 osh-nosouffle mut+alloc+free+gc
10 7 3 9.3 osh-nosouffle mut+alloc+free+gc+exit
12 8 4 11.9 _bin/cxx-opt+nopool/osh mut+alloc
13 11 2 9.5 _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 30 1 3.3 bash -
21 19 2 3.4 zsh -
17 16 1 33.1 bumpleak/osh mut
19 15 4 33.5 _bin/cxx-opt+bumproot/osh mut
21 18 3 34.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 20 8 26.9 osh-native mut+alloc
30 22 8 27.0 osh-native mut+alloc+free
20 16 4 8.3 osh-native mut+alloc+free+gc
20 18 2 8.3 osh-native mut+alloc+free+gc+exit
33 20 13 27.3 osh-nosouffle mut+alloc
38 27 10 27.4 osh-nosouffle mut+alloc+free
25 20 4 8.8 osh-nosouffle mut+alloc+free+gc
24 19 6 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 30 15 36.1 _bin/cxx-opt+nopool/osh mut+alloc
30 27 3 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 3.4 bash -
213 158 55 56.5 bumpleak/osh mut
223 173 50 57.0 _bin/cxx-opt+bumproot/osh mut
240 185 55 56.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
256 192 65 48.8 osh-native mut+alloc
263 182 81 50.7 osh-native mut+alloc+free
224 191 32 9.0 osh-native mut+alloc+free+gc
222 168 54 9.0 osh-native mut+alloc+free+gc+exit
265 194 71 49.3 osh-nosouffle mut+alloc
274 193 81 51.2 osh-nosouffle mut+alloc+free
229 174 55 9.6 osh-nosouffle mut+alloc+free+gc
227 179 48 9.6 osh-nosouffle mut+alloc+free+gc+exit
278 189 88 64.1 _bin/cxx-opt+nopool/osh mut+alloc
250 214 36 10.4 _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 5 5 3.9 dash -
16 9 7 4.8 bash -
16 7 9 3.9 zsh -
19 5 14 13.5 bumpleak/osh mut
18 9 9 12.4 _bin/cxx-opt+bumproot/osh mut
19 7 12 13.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 12 8 11.5 osh-native mut+alloc
21 7 14 11.7 osh-native mut+alloc+free
22 11 12 9.3 osh-native mut+alloc+free+gc
22 12 10 9.7 osh-native mut+alloc+free+gc+exit
20 10 11 12.1 osh-nosouffle mut+alloc
22 8 14 12.2 osh-nosouffle mut+alloc+free
22 13 10 10.0 osh-nosouffle mut+alloc+free+gc
22 12 11 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 11 13 13.1 _bin/cxx-opt+nopool/osh mut+alloc
25 13 12 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc