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 5 11 12.0 18.2 471,275 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 34 3 9 12.0 18.7 471,275 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 142 25 66 45.9 51.7 1,638,014 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 150 25 68 45.9 52.1 1,638,013 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 9 1 2 2.6 8.8 102,803 180 3 86,646 1 43,323 osh-native
parse.abuild 10 1 2 2.6 9.0 102,803 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 1 2.8 8.3 572,127 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 2 2.8 8.5 572,127 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 225 0 4 11.6 9.0 990,273 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 225 0 4 11.6 9.7 990,272 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.4 117,234 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 21 1 2 3.0 10.1 117,233 277 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 1.7 dash -
13 12 1 3.4 bash -
90 54 43 3.5 zsh -
16 14 2 30.2 bumpleak/osh mut
16 10 6 30.8 _bin/cxx-opt+bumproot/osh mut
19 14 5 30.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
27 17 10 25.6 osh-native mut+alloc
28 19 9 25.8 osh-native mut+alloc+free
33 24 9 18.2 osh-native mut+alloc+free+gc
33 25 8 18.5 osh-native mut+alloc+free+gc+exit
28 18 10 26.1 osh-nosouffle mut+alloc
30 20 10 26.3 osh-nosouffle mut+alloc+free
34 23 11 18.7 osh-nosouffle mut+alloc+free+gc
35 27 8 18.7 osh-nosouffle mut+alloc+free+gc+exit
40 22 17 32.2 _bin/cxx-opt+nopool/osh mut+alloc
47 36 11 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 41 2 3.4 bash -
327 180 169 3.7 zsh -
45 37 8 86.2 bumpleak/osh mut
47 36 11 86.3 _bin/cxx-opt+bumproot/osh mut
58 48 10 87.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
85 49 35 73.7 osh-native mut+alloc
92 61 31 75.5 osh-native mut+alloc+free
142 116 26 51.7 osh-native mut+alloc+free+gc
148 119 29 52.5 osh-native mut+alloc+free+gc+exit
93 61 31 74.1 osh-nosouffle mut+alloc
102 73 29 76.0 osh-nosouffle mut+alloc+free
150 122 28 52.1 osh-nosouffle mut+alloc+free+gc
153 129 24 52.8 osh-nosouffle mut+alloc+free+gc+exit
124 73 51 98.1 _bin/cxx-opt+nopool/osh mut+alloc
214 172 42 74.6 _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 4 0 3.1 bash -
7 2 4 3.4 zsh -
6 4 2 11.3 bumpleak/osh mut
6 3 3 11.3 _bin/cxx-opt+bumproot/osh mut
7 5 3 12.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.5 osh-native mut+alloc
9 5 4 10.5 osh-native mut+alloc+free
9 6 3 8.8 osh-native mut+alloc+free+gc
10 9 1 8.8 osh-native mut+alloc+free+gc+exit
9 8 1 10.9 osh-nosouffle mut+alloc
9 7 2 11.1 osh-nosouffle mut+alloc+free
10 6 5 9.0 osh-nosouffle mut+alloc+free+gc
10 7 3 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 5 6 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 10 2 9.6 _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 8 1 1.4 dash -
31 31 0 3.3 bash -
21 17 4 3.3 zsh -
17 12 6 32.8 bumpleak/osh mut
19 15 4 33.5 _bin/cxx-opt+bumproot/osh mut
22 19 3 32.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 18 11 26.7 osh-native mut+alloc
30 19 11 27.3 osh-native mut+alloc+free
20 19 1 8.3 osh-native mut+alloc+free+gc
20 16 4 8.4 osh-native mut+alloc+free+gc+exit
33 23 10 27.1 osh-nosouffle mut+alloc
35 23 12 27.6 osh-nosouffle mut+alloc+free
25 23 2 8.5 osh-nosouffle mut+alloc+free+gc
25 24 1 8.8 osh-nosouffle mut+alloc+free+gc+exit
45 26 19 36.2 _bin/cxx-opt+nopool/osh mut+alloc
29 25 4 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
104 100 4 3.5 bash -
212 166 46 56.1 bumpleak/osh mut
221 175 46 56.5 _bin/cxx-opt+bumproot/osh mut
242 183 59 58.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
257 198 59 48.8 osh-native mut+alloc
263 193 70 50.9 osh-native mut+alloc+free
225 180 44 9.0 osh-native mut+alloc+free+gc
222 181 41 9.0 osh-native mut+alloc+free+gc+exit
261 196 65 49.3 osh-nosouffle mut+alloc
266 195 71 51.4 osh-nosouffle mut+alloc+free
225 181 44 9.7 osh-nosouffle mut+alloc+free+gc
229 181 48 9.7 osh-nosouffle mut+alloc+free+gc+exit
276 200 76 65.0 _bin/cxx-opt+nopool/osh mut+alloc
254 204 50 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 5 4.1 dash -
16 10 6 4.8 bash -
16 8 8 3.9 zsh -
18 8 10 12.6 bumpleak/osh mut
18 8 11 13.4 _bin/cxx-opt+bumproot/osh mut
20 9 12 14.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 9 10 11.5 osh-native mut+alloc
21 10 11 11.7 osh-native mut+alloc+free
21 8 13 9.4 osh-native mut+alloc+free+gc
21 13 9 9.7 osh-native mut+alloc+free+gc+exit
21 10 11 12.1 osh-nosouffle mut+alloc
22 9 14 12.3 osh-nosouffle mut+alloc+free
21 10 12 10.1 osh-nosouffle mut+alloc+free+gc
22 12 11 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 9 15 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 12 12 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc