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 18.2 471,275 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 137 24 62 45.9 51.7 1,638,014 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 145 26 62 45.9 52.1 1,638,013 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 10 1 2 2.6 8.7 102,803 180 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 2 2.8 8.3 572,127 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 2 2.8 8.9 572,127 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 219 0 4 11.6 9.2 990,273 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 227 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 9.4 117,234 277 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 6 1 1.8 dash -
13 11 2 3.4 bash -
89 52 44 3.5 zsh -
15 9 6 29.8 bumpleak/osh mut
16 12 4 30.4 _bin/cxx-opt+bumproot/osh mut
18 13 5 30.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 11 15 25.4 osh-native mut+alloc
27 20 8 25.7 osh-native mut+alloc+free
32 27 5 18.2 osh-native mut+alloc+free+gc
33 29 4 18.2 osh-native mut+alloc+free+gc+exit
28 20 8 26.0 osh-nosouffle mut+alloc
30 21 9 26.2 osh-nosouffle mut+alloc+free
34 26 8 18.7 osh-nosouffle mut+alloc+free+gc
34 28 6 18.6 osh-nosouffle mut+alloc+free+gc+exit
39 20 19 32.4 _bin/cxx-opt+nopool/osh mut+alloc
44 34 10 22.7 _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 -
42 42 0 3.5 bash -
320 185 159 3.5 zsh -
45 40 5 85.2 bumpleak/osh mut
48 39 9 84.7 _bin/cxx-opt+bumproot/osh mut
59 46 14 86.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 49 35 73.9 osh-native mut+alloc
92 60 31 75.6 osh-native mut+alloc+free
137 114 22 51.7 osh-native mut+alloc+free+gc
141 119 21 52.3 osh-native mut+alloc+free+gc+exit
92 63 29 74.3 osh-nosouffle mut+alloc
100 58 42 75.9 osh-nosouffle mut+alloc+free
145 122 23 52.1 osh-nosouffle mut+alloc+free+gc
148 126 22 52.9 osh-nosouffle mut+alloc+free+gc+exit
123 82 40 97.7 _bin/cxx-opt+nopool/osh mut+alloc
192 160 32 71.5 _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 2 2 3.1 bash -
6 5 2 3.4 zsh -
6 5 1 11.6 bumpleak/osh mut
6 4 2 13.1 _bin/cxx-opt+bumproot/osh mut
6 2 4 13.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.5 osh-native mut+alloc
8 5 3 10.7 osh-native mut+alloc+free
10 8 2 8.7 osh-native mut+alloc+free+gc
10 8 2 8.9 osh-native mut+alloc+free+gc+exit
9 6 3 11.0 osh-nosouffle mut+alloc
9 7 2 11.1 osh-nosouffle mut+alloc+free
10 6 4 9.0 osh-nosouffle mut+alloc+free+gc
10 6 4 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 6 5 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 7 5 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 -
32 31 1 3.4 bash -
21 15 6 3.4 zsh -
16 14 2 33.7 bumpleak/osh mut
18 13 5 32.1 _bin/cxx-opt+bumproot/osh mut
21 16 5 32.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 19 9 26.9 osh-native mut+alloc
30 22 9 27.1 osh-native mut+alloc+free
20 19 1 8.3 osh-native mut+alloc+free+gc
20 18 2 8.1 osh-native mut+alloc+free+gc+exit
34 23 11 27.5 osh-nosouffle mut+alloc
35 24 11 27.5 osh-nosouffle mut+alloc+free
25 25 0 8.9 osh-nosouffle mut+alloc+free+gc
25 21 4 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 25 20 36.3 _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
103 100 3 3.5 bash -
211 163 47 57.0 bumpleak/osh mut
221 172 49 56.1 _bin/cxx-opt+bumproot/osh mut
242 182 60 57.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
253 196 57 48.6 osh-native mut+alloc
261 189 72 50.7 osh-native mut+alloc+free
219 171 48 9.2 osh-native mut+alloc+free+gc
222 163 59 9.0 osh-native mut+alloc+free+gc+exit
260 193 67 49.3 osh-nosouffle mut+alloc
267 193 74 51.3 osh-nosouffle mut+alloc+free
227 171 56 9.4 osh-nosouffle mut+alloc+free+gc
227 172 55 9.8 osh-nosouffle mut+alloc+free+gc+exit
276 197 79 64.7 _bin/cxx-opt+nopool/osh mut+alloc
250 190 60 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 4.1 dash -
16 11 6 5.0 bash -
15 8 8 3.9 zsh -
19 10 9 13.6 bumpleak/osh mut
19 8 11 13.4 _bin/cxx-opt+bumproot/osh mut
18 7 12 13.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 9 10 11.4 osh-native mut+alloc
21 11 10 11.8 osh-native mut+alloc+free
20 13 8 9.4 osh-native mut+alloc+free+gc
22 12 10 9.7 osh-native mut+alloc+free+gc+exit
21 11 11 12.2 osh-nosouffle mut+alloc
22 11 12 12.2 osh-nosouffle mut+alloc+free
21 13 10 10.1 osh-nosouffle mut+alloc+free+gc
22 14 9 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 9 15 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 11 12 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc