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 33 4 11 12.0 18.4 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 35 4 10 12.0 18.6 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 144 27 70 45.9 51.6 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 157 27 74 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 9.0 102,804 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.4 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 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 9.0 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 228 0 4 11.6 9.7 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.6 117,235 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 22 1 2 3.0 10.1 117,234 277 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
7 6 1 1.7 dash -
13 12 1 3.4 bash -
90 47 50 3.5 zsh -
16 11 5 30.5 bumpleak/osh mut
16 13 3 29.7 _bin/cxx-opt+bumproot/osh mut
20 13 7 29.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 18 8 25.3 osh-native mut+alloc
29 16 12 26.0 osh-native mut+alloc+free
33 27 6 18.4 osh-native mut+alloc+free+gc
34 26 8 18.1 osh-native mut+alloc+free+gc+exit
28 20 8 25.8 osh-nosouffle mut+alloc
30 22 8 26.2 osh-nosouffle mut+alloc+free
35 27 8 18.6 osh-nosouffle mut+alloc+free+gc
36 27 9 18.7 osh-nosouffle mut+alloc+free+gc+exit
40 17 23 32.4 _bin/cxx-opt+nopool/osh mut+alloc
54 43 10 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 1.7 dash -
43 42 1 3.4 bash -
331 185 169 3.7 zsh -
45 35 10 84.7 bumpleak/osh mut
48 43 5 86.3 _bin/cxx-opt+bumproot/osh mut
59 44 15 85.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 53 31 73.7 osh-native mut+alloc
91 59 32 75.4 osh-native mut+alloc+free
144 124 20 51.6 osh-native mut+alloc+free+gc
149 125 24 52.5 osh-native mut+alloc+free+gc+exit
91 51 40 74.2 osh-nosouffle mut+alloc
100 72 28 76.0 osh-nosouffle mut+alloc+free
157 128 28 52.3 osh-nosouffle mut+alloc+free+gc
163 141 22 52.8 osh-nosouffle mut+alloc+free+gc+exit
124 76 48 98.0 _bin/cxx-opt+nopool/osh mut+alloc
208 181 27 72.8 _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 1.8 dash -
4 2 1 3.3 bash -
6 4 2 3.4 zsh -
6 4 2 11.4 bumpleak/osh mut
6 3 3 12.9 _bin/cxx-opt+bumproot/osh mut
7 3 5 12.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.6 osh-native mut+alloc
8 4 5 10.7 osh-native mut+alloc+free
9 5 4 8.8 osh-native mut+alloc+free+gc
10 8 2 8.7 osh-native mut+alloc+free+gc+exit
9 5 4 11.0 osh-nosouffle mut+alloc
9 6 3 11.1 osh-nosouffle mut+alloc+free
10 8 2 9.0 osh-nosouffle mut+alloc+free+gc
10 6 4 9.4 osh-nosouffle mut+alloc+free+gc+exit
11 5 6 12.0 _bin/cxx-opt+nopool/osh mut+alloc
12 9 4 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 1.7 dash -
30 29 1 3.3 bash -
21 14 7 3.5 zsh -
17 13 4 32.9 bumpleak/osh mut
18 14 4 32.4 _bin/cxx-opt+bumproot/osh mut
21 14 6 32.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 15 14 26.9 osh-native mut+alloc
30 20 10 27.1 osh-native mut+alloc+free
20 18 2 8.4 osh-native mut+alloc+free+gc
20 19 1 8.3 osh-native mut+alloc+free+gc+exit
33 22 11 27.5 osh-nosouffle mut+alloc
35 25 10 27.6 osh-nosouffle mut+alloc+free
25 20 5 8.7 osh-nosouffle mut+alloc+free+gc
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 28 17 36.2 _bin/cxx-opt+nopool/osh mut+alloc
30 24 6 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 99 5 3.4 bash -
210 168 42 56.3 bumpleak/osh mut
220 165 54 57.4 _bin/cxx-opt+bumproot/osh mut
237 176 61 56.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
254 179 75 48.9 osh-native mut+alloc
260 191 69 50.9 osh-native mut+alloc+free
221 178 43 9.0 osh-native mut+alloc+free+gc
224 175 49 9.2 osh-native mut+alloc+free+gc+exit
263 185 79 49.3 osh-nosouffle mut+alloc
271 199 72 51.3 osh-nosouffle mut+alloc+free
228 177 51 9.7 osh-nosouffle mut+alloc+free+gc
229 184 45 9.8 osh-nosouffle mut+alloc+free+gc+exit
278 207 71 65.4 _bin/cxx-opt+nopool/osh mut+alloc
249 203 46 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 6 3.9 dash -
16 11 6 4.7 bash -
16 5 11 3.9 zsh -
18 9 10 12.8 bumpleak/osh mut
18 9 9 14.4 _bin/cxx-opt+bumproot/osh mut
20 9 12 13.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 8 12 11.7 osh-native mut+alloc
21 10 12 11.7 osh-native mut+alloc+free
21 11 10 9.6 osh-native mut+alloc+free+gc
21 12 10 9.7 osh-native mut+alloc+free+gc+exit
20 11 10 12.1 osh-nosouffle mut+alloc
22 10 12 12.2 osh-nosouffle mut+alloc+free
22 10 12 10.1 osh-nosouffle mut+alloc+free+gc
22 10 13 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 12 11 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 15 9 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc