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 18.4 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 35 4 10 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 138 24 62 45.9 51.9 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 148 24 64 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 8.7 102,804 180 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 20 0 2 2.8 8.1 572,128 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 9.2 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 229 0 4 11.6 9.6 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.6 117,235 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 21 1 2 3.0 10.0 117,234 277 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
6 6 0 1.7 dash -
13 12 1 3.3 bash -
89 51 45 3.7 zsh -
15 12 3 30.1 bumpleak/osh mut
16 13 3 30.1 _bin/cxx-opt+bumproot/osh mut
18 13 5 30.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 17 9 25.4 osh-native mut+alloc
28 22 6 25.7 osh-native mut+alloc+free
32 25 7 18.4 osh-native mut+alloc+free+gc
33 28 5 18.2 osh-native mut+alloc+free+gc+exit
28 15 13 26.0 osh-nosouffle mut+alloc
30 19 11 26.2 osh-nosouffle mut+alloc+free
35 29 6 18.7 osh-nosouffle mut+alloc+free+gc
36 27 9 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 20 19 33.6 _bin/cxx-opt+nopool/osh mut+alloc
45 31 13 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 23 0 1.7 dash -
43 41 2 3.5 bash -
323 179 166 3.7 zsh -
45 34 11 84.7 bumpleak/osh mut
49 38 10 85.5 _bin/cxx-opt+bumproot/osh mut
59 44 15 86.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
85 58 27 73.7 osh-native mut+alloc
94 62 32 75.5 osh-native mut+alloc+free
138 114 24 51.9 osh-native mut+alloc+free+gc
143 125 18 52.3 osh-native mut+alloc+free+gc+exit
91 54 38 74.3 osh-nosouffle mut+alloc
102 68 34 76.0 osh-nosouffle mut+alloc+free
148 115 33 52.3 osh-nosouffle mut+alloc+free+gc
149 129 20 52.7 osh-nosouffle mut+alloc+free+gc+exit
125 75 50 98.8 _bin/cxx-opt+nopool/osh mut+alloc
206 171 35 71.8 _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 2 0 1.6 dash -
4 2 1 3.1 bash -
6 3 3 3.4 zsh -
6 3 3 12.2 bumpleak/osh mut
6 5 1 12.3 _bin/cxx-opt+bumproot/osh mut
7 4 3 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.4 osh-native mut+alloc
8 3 5 10.9 osh-native mut+alloc+free
9 7 2 8.7 osh-native mut+alloc+free+gc
9 8 1 8.9 osh-native mut+alloc+free+gc+exit
8 7 2 11.0 osh-nosouffle mut+alloc
9 4 5 11.1 osh-nosouffle mut+alloc+free
10 8 2 9.2 osh-nosouffle mut+alloc+free+gc
10 10 0 9.4 osh-nosouffle mut+alloc+free+gc+exit
11 5 6 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 1.6 dash -
31 30 1 3.3 bash -
21 14 7 3.4 zsh -
16 13 3 32.0 bumpleak/osh mut
17 13 4 32.7 _bin/cxx-opt+bumproot/osh mut
21 14 7 32.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 19 9 26.9 osh-native mut+alloc
30 21 9 27.1 osh-native mut+alloc+free
20 19 1 8.1 osh-native mut+alloc+free+gc
20 17 3 8.3 osh-native mut+alloc+free+gc+exit
33 23 10 27.3 osh-nosouffle mut+alloc
35 26 9 27.6 osh-nosouffle mut+alloc+free
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc+exit
46 30 15 36.1 _bin/cxx-opt+nopool/osh mut+alloc
29 26 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 -
211 170 41 56.0 bumpleak/osh mut
221 162 59 56.7 _bin/cxx-opt+bumproot/osh mut
240 190 50 58.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 174 81 48.8 osh-native mut+alloc
260 195 65 50.7 osh-native mut+alloc+free
221 171 50 9.2 osh-native mut+alloc+free+gc
223 179 44 9.2 osh-native mut+alloc+free+gc+exit
262 193 69 49.3 osh-nosouffle mut+alloc
270 202 68 51.1 osh-nosouffle mut+alloc+free
229 184 45 9.6 osh-nosouffle mut+alloc+free+gc
228 179 49 9.8 osh-nosouffle mut+alloc+free+gc+exit
278 199 79 65.8 _bin/cxx-opt+nopool/osh mut+alloc
250 194 56 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 3.9 dash -
15 7 9 4.8 bash -
15 10 6 3.9 zsh -
17 11 6 14.2 bumpleak/osh mut
18 8 11 13.4 _bin/cxx-opt+bumproot/osh mut
19 8 12 14.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 9 11 11.7 osh-native mut+alloc
20 11 10 11.8 osh-native mut+alloc+free
20 13 8 9.6 osh-native mut+alloc+free+gc
21 18 4 9.7 osh-native mut+alloc+free+gc+exit
20 10 10 12.2 osh-nosouffle mut+alloc
21 9 13 12.3 osh-nosouffle mut+alloc+free
21 12 10 10.0 osh-nosouffle mut+alloc+free+gc
22 13 9 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 5 18 13.2 _bin/cxx-opt+nopool/osh mut+alloc
23 13 11 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc