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 34 4 10 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 146 27 71 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 144 25 61 45.9 52.3 1,638,014 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 9 1 2 2.6 8.8 102,804 180 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 21 0 2 2.8 8.3 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 24 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 9.2 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 228 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 9.4 117,259 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 22 1 2 3.0 10.1 117,258 277 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
6 6 0 1.7 dash -
13 10 3 3.3 bash -
92 54 46 3.7 zsh -
15 10 5 28.7 bumpleak/osh mut
17 14 2 30.8 _bin/cxx-opt+bumproot/osh mut
19 13 6 28.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 14 12 25.3 osh-native mut+alloc
28 17 11 26.0 osh-native mut+alloc+free
32 22 10 18.2 osh-native mut+alloc+free+gc
32 26 7 18.2 osh-native mut+alloc+free+gc+exit
29 21 8 25.8 osh-nosouffle mut+alloc
30 17 13 26.2 osh-nosouffle mut+alloc+free
34 28 6 18.7 osh-nosouffle mut+alloc+free+gc
38 30 8 18.6 osh-nosouffle mut+alloc+free+gc+exit
39 20 20 32.9 _bin/cxx-opt+nopool/osh mut+alloc
47 40 7 22.4 _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 1.6 dash -
43 42 1 3.4 bash -
331 200 155 3.7 zsh -
45 33 12 85.8 bumpleak/osh mut
49 39 10 86.0 _bin/cxx-opt+bumproot/osh mut
59 41 18 86.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 52 32 73.9 osh-native mut+alloc
93 57 35 75.5 osh-native mut+alloc+free
146 128 18 51.7 osh-native mut+alloc+free+gc
140 122 18 52.4 osh-native mut+alloc+free+gc+exit
92 66 27 74.1 osh-nosouffle mut+alloc
103 69 34 76.2 osh-nosouffle mut+alloc+free
144 124 20 52.3 osh-nosouffle mut+alloc+free+gc
152 128 23 52.9 osh-nosouffle mut+alloc+free+gc+exit
126 90 36 99.6 _bin/cxx-opt+nopool/osh mut+alloc
193 157 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 -
6 4 3 3.5 zsh -
6 4 2 11.1 bumpleak/osh mut
6 5 1 12.9 _bin/cxx-opt+bumproot/osh mut
7 3 4 12.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 6 2 10.5 osh-native mut+alloc
8 5 3 10.7 osh-native mut+alloc+free
9 5 5 8.8 osh-native mut+alloc+free+gc
9 7 2 8.8 osh-native mut+alloc+free+gc+exit
9 4 5 11.0 osh-nosouffle mut+alloc
9 6 3 11.0 osh-nosouffle mut+alloc+free
10 6 4 9.2 osh-nosouffle mut+alloc+free+gc
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 5 6 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 11 1 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
9 9 0 1.6 dash -
31 30 1 3.3 bash -
22 17 5 3.4 zsh -
17 13 4 33.5 bumpleak/osh mut
18 15 3 33.7 _bin/cxx-opt+bumproot/osh mut
21 16 5 33.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 18 10 26.7 osh-native mut+alloc
31 21 10 27.0 osh-native mut+alloc+free
21 17 4 8.3 osh-native mut+alloc+free+gc
20 18 2 8.3 osh-native mut+alloc+free+gc+exit
33 23 10 27.4 osh-nosouffle mut+alloc
35 25 10 27.7 osh-nosouffle mut+alloc+free
24 21 3 8.7 osh-nosouffle mut+alloc+free+gc
24 23 1 8.5 osh-nosouffle mut+alloc+free+gc+exit
47 28 18 36.3 _bin/cxx-opt+nopool/osh mut+alloc
32 28 4 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
104 101 3 3.5 bash -
212 167 45 56.4 bumpleak/osh mut
223 173 50 57.4 _bin/cxx-opt+bumproot/osh mut
243 189 54 58.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 191 64 48.8 osh-native mut+alloc
262 189 73 50.7 osh-native mut+alloc+free
221 182 39 9.2 osh-native mut+alloc+free+gc
223 175 48 9.0 osh-native mut+alloc+free+gc+exit
264 190 74 49.2 osh-nosouffle mut+alloc
271 198 73 51.3 osh-nosouffle mut+alloc+free
228 180 48 9.6 osh-nosouffle mut+alloc+free+gc
230 184 46 9.7 osh-nosouffle mut+alloc+free+gc+exit
282 210 72 64.6 _bin/cxx-opt+nopool/osh mut+alloc
252 206 46 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 5 4 4.1 dash -
16 7 9 4.8 bash -
16 8 9 3.9 zsh -
19 4 15 13.3 bumpleak/osh mut
18 11 8 12.7 _bin/cxx-opt+bumproot/osh mut
20 11 10 14.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 8 12 11.7 osh-native mut+alloc
21 10 12 11.8 osh-native mut+alloc+free
21 9 12 9.4 osh-native mut+alloc+free+gc
21 9 13 9.6 osh-native mut+alloc+free+gc+exit
21 11 11 12.1 osh-nosouffle mut+alloc
22 16 6 12.3 osh-nosouffle mut+alloc+free
22 7 15 10.1 osh-nosouffle mut+alloc+free+gc
23 9 15 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 13 10 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 14 10 10.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc