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 34 4 11 12.0 18.4 471,275 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 35 4 10 12.0 18.6 471,275 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 139 26 64 45.9 51.7 1,638,014 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 146 27 63 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 8.9 102,803 180 3 86,646 1 43,323 osh-native
parse.abuild 10 1 2 2.6 9.3 102,803 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.1 572,127 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 1 2.8 8.7 572,127 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 222 0 4 11.6 9.2 990,273 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 228 0 4 11.6 9.4 990,272 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.6 117,234 277 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 3.3 bash -
90 55 42 3.7 zsh -
15 11 4 30.4 bumpleak/osh mut
16 13 3 29.6 _bin/cxx-opt+bumproot/osh mut
20 13 7 29.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 11 14 25.4 osh-native mut+alloc
28 21 7 25.8 osh-native mut+alloc+free
34 27 7 18.4 osh-native mut+alloc+free+gc
35 28 7 18.2 osh-native mut+alloc+free+gc+exit
29 22 7 26.1 osh-nosouffle mut+alloc
30 20 10 26.3 osh-nosouffle mut+alloc+free
35 28 7 18.6 osh-nosouffle mut+alloc+free+gc
36 30 6 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 21 19 32.3 _bin/cxx-opt+nopool/osh mut+alloc
45 37 8 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 21 2 1.8 dash -
43 42 1 3.4 bash -
326 182 166 3.5 zsh -
46 36 10 85.0 bumpleak/osh mut
49 41 8 84.8 _bin/cxx-opt+bumproot/osh mut
59 44 15 85.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
86 49 37 73.7 osh-native mut+alloc
94 65 30 75.5 osh-native mut+alloc+free
139 120 19 51.7 osh-native mut+alloc+free+gc
148 123 25 52.4 osh-native mut+alloc+free+gc+exit
93 56 37 74.2 osh-nosouffle mut+alloc
100 70 31 75.9 osh-nosouffle mut+alloc+free
146 124 22 52.1 osh-nosouffle mut+alloc+free+gc
148 123 25 52.8 osh-nosouffle mut+alloc+free+gc+exit
126 75 51 99.2 _bin/cxx-opt+nopool/osh mut+alloc
206 182 23 74.3 _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 1.7 dash -
4 2 1 3.1 bash -
7 2 4 3.4 zsh -
6 5 1 12.3 bumpleak/osh mut
6 5 1 12.0 _bin/cxx-opt+bumproot/osh mut
6 5 1 11.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.6 osh-native mut+alloc
8 5 4 10.7 osh-native mut+alloc+free
9 7 2 8.9 osh-native mut+alloc+free+gc
10 6 4 8.9 osh-native mut+alloc+free+gc+exit
9 8 1 11.0 osh-nosouffle mut+alloc
9 6 3 11.0 osh-nosouffle mut+alloc+free
10 6 4 9.3 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 8 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 8 1 1.6 dash -
31 31 0 3.3 bash -
22 19 3 3.4 zsh -
17 11 7 32.9 bumpleak/osh mut
18 14 4 31.9 _bin/cxx-opt+bumproot/osh mut
21 19 2 34.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 19 10 26.9 osh-native mut+alloc
31 22 9 27.0 osh-native mut+alloc+free
20 17 3 8.1 osh-native mut+alloc+free+gc
20 18 2 8.3 osh-native mut+alloc+free+gc+exit
33 24 9 27.3 osh-nosouffle mut+alloc
35 24 10 27.4 osh-nosouffle mut+alloc+free
25 21 4 8.7 osh-nosouffle mut+alloc+free+gc
24 22 2 8.8 osh-nosouffle mut+alloc+free+gc+exit
46 26 20 36.3 _bin/cxx-opt+nopool/osh mut+alloc
30 27 3 9.8 _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 98 5 3.4 bash -
212 150 62 56.8 bumpleak/osh mut
221 170 50 56.7 _bin/cxx-opt+bumproot/osh mut
241 176 65 58.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
262 191 71 48.9 osh-native mut+alloc
265 199 66 50.7 osh-native mut+alloc+free
222 168 54 9.2 osh-native mut+alloc+free+gc
222 186 36 9.0 osh-native mut+alloc+free+gc+exit
260 192 68 49.4 osh-nosouffle mut+alloc
269 198 71 51.4 osh-nosouffle mut+alloc+free
228 182 46 9.4 osh-nosouffle mut+alloc+free+gc
227 174 53 9.7 osh-nosouffle mut+alloc+free+gc+exit
278 185 93 65.4 _bin/cxx-opt+nopool/osh mut+alloc
250 207 43 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 3 6 3.9 dash -
16 8 9 4.8 bash -
15 6 10 3.9 zsh -
18 7 12 13.2 bumpleak/osh mut
18 7 11 14.2 _bin/cxx-opt+bumproot/osh mut
18 9 9 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 11 9 11.4 osh-native mut+alloc
20 11 10 11.8 osh-native mut+alloc+free
20 11 10 9.6 osh-native mut+alloc+free+gc
21 13 8 9.6 osh-native mut+alloc+free+gc+exit
20 9 12 12.1 osh-nosouffle mut+alloc
22 14 8 12.2 osh-nosouffle mut+alloc+free
21 9 13 10.1 osh-nosouffle mut+alloc+free+gc
22 12 11 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 10 14 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 13 11 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc