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 35 4 12 12.0 18.2 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 36 4 11 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 151 28 75 45.9 51.9 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 164 30 79 45.9 52.3 1,638,014 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 10 1 2 2.6 8.8 102,804 180 3 86,646 1 43,323 osh-native
parse.abuild 11 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 25 0 2 2.8 8.8 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 226 0 4 11.6 9.2 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 231 0 5 11.6 9.6 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 22 1 2 3.0 9.6 117,259 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 23 1 2 3.0 10.0 117,258 277 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
7 7 0 1.8 dash -
13 12 1 3.3 bash -
90 49 49 3.5 zsh -
16 11 5 28.7 bumpleak/osh mut
17 12 5 29.2 _bin/cxx-opt+bumproot/osh mut
20 13 6 30.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 12 14 25.7 osh-native mut+alloc
29 20 9 25.8 osh-native mut+alloc+free
35 26 8 18.2 osh-native mut+alloc+free+gc
33 26 7 18.1 osh-native mut+alloc+free+gc+exit
29 21 8 26.0 osh-nosouffle mut+alloc
31 18 13 26.2 osh-nosouffle mut+alloc+free
36 30 6 18.7 osh-nosouffle mut+alloc+free+gc
39 28 11 18.9 osh-nosouffle mut+alloc+free+gc+exit
40 21 19 32.2 _bin/cxx-opt+nopool/osh mut+alloc
52 37 15 22.9 _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 1.8 dash -
42 41 1 3.4 bash -
330 189 164 3.5 zsh -
46 38 8 85.9 bumpleak/osh mut
51 43 8 85.7 _bin/cxx-opt+bumproot/osh mut
61 47 14 86.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 49 35 73.5 osh-native mut+alloc
96 58 38 75.5 osh-native mut+alloc+free
151 126 25 51.9 osh-native mut+alloc+free+gc
162 138 24 52.4 osh-native mut+alloc+free+gc+exit
106 75 31 74.2 osh-nosouffle mut+alloc
103 68 35 76.0 osh-nosouffle mut+alloc+free
164 144 20 52.3 osh-nosouffle mut+alloc+free+gc
169 148 21 52.8 osh-nosouffle mut+alloc+free+gc+exit
127 76 51 98.0 _bin/cxx-opt+nopool/osh mut+alloc
233 210 23 73.2 _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 4 0 3.3 bash -
7 4 3 3.4 zsh -
6 3 3 11.7 bumpleak/osh mut
7 5 2 11.8 _bin/cxx-opt+bumproot/osh mut
8 6 1 12.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.5 osh-native mut+alloc
9 6 3 10.7 osh-native mut+alloc+free
10 6 4 8.8 osh-native mut+alloc+free+gc
10 6 4 8.9 osh-native mut+alloc+free+gc+exit
9 7 2 11.0 osh-nosouffle mut+alloc
10 4 6 11.0 osh-nosouffle mut+alloc+free
11 8 3 9.2 osh-nosouffle mut+alloc+free+gc
11 8 3 9.3 osh-nosouffle mut+alloc+free+gc+exit
12 6 5 11.9 _bin/cxx-opt+nopool/osh mut+alloc
14 10 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
10 10 0 1.6 dash -
31 31 0 3.3 bash -
22 17 5 3.4 zsh -
18 14 4 32.2 bumpleak/osh mut
19 13 7 32.8 _bin/cxx-opt+bumproot/osh mut
21 16 5 33.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 15 14 27.0 osh-native mut+alloc
31 20 11 27.1 osh-native mut+alloc+free
21 19 2 8.3 osh-native mut+alloc+free+gc
21 20 1 8.3 osh-native mut+alloc+free+gc+exit
35 30 5 27.4 osh-nosouffle mut+alloc
36 23 13 27.7 osh-nosouffle mut+alloc+free
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc
25 24 1 8.7 osh-nosouffle mut+alloc+free+gc+exit
47 32 15 36.4 _bin/cxx-opt+nopool/osh mut+alloc
31 29 2 9.9 _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
105 99 6 3.5 bash -
212 153 59 57.2 bumpleak/osh mut
222 166 56 57.1 _bin/cxx-opt+bumproot/osh mut
243 176 67 57.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
259 193 66 48.8 osh-native mut+alloc
274 202 72 50.8 osh-native mut+alloc+free
226 178 48 9.2 osh-native mut+alloc+free+gc
226 181 45 9.0 osh-native mut+alloc+free+gc+exit
266 196 70 49.3 osh-nosouffle mut+alloc
275 202 73 51.4 osh-nosouffle mut+alloc+free
231 168 63 9.6 osh-nosouffle mut+alloc+free+gc
232 182 50 9.7 osh-nosouffle mut+alloc+free+gc+exit
279 208 71 64.7 _bin/cxx-opt+nopool/osh mut+alloc
260 204 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 5 4 3.9 dash -
16 9 8 5.0 bash -
16 6 10 3.9 zsh -
18 11 8 13.8 bumpleak/osh mut
20 11 9 13.2 _bin/cxx-opt+bumproot/osh mut
19 10 10 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 8 13 11.5 osh-native mut+alloc
22 10 12 11.5 osh-native mut+alloc+free
22 12 11 9.6 osh-native mut+alloc+free+gc
22 12 11 9.6 osh-native mut+alloc+free+gc+exit
21 10 12 12.1 osh-nosouffle mut+alloc
23 9 15 12.2 osh-nosouffle mut+alloc+free
23 12 12 10.0 osh-nosouffle mut+alloc+free+gc
23 17 7 10.2 osh-nosouffle mut+alloc+free+gc+exit
24 13 11 13.2 _bin/cxx-opt+nopool/osh mut+alloc
26 17 9 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc