Memory Management Overhead

Source code: oil/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 3 10 12.0 18.0 476,744 1,282 6 406,316 5 203,158 osh-native
parse.configure-cpython 33 4 10 12.0 17.6 476,744 1,282 6 406,186 5 203,093 osh-native-souffle
parse.configure-coreutils 142 21 56 44.5 49.7 1,653,332 4,764 12 1,025,512 6 764,299 osh-native
parse.configure-coreutils 144 26 67 45.9 51.0 1,653,331 4,764 12 1,063,842 6 792,359 osh-native-souffle
parse.abuild 9 1 1 2.6 8.7 101,935 180 2 75,016 1 37,508 osh-native
parse.abuild 9 1 2 2.4 7.9 101,935 180 3 87,078 1 43,539 osh-native-souffle
ex.compute-fib 28 0 1 2.1 8.0 579,599 22,608 12 50,000 0 2,912 osh-native
ex.compute-fib 21 0 2 2.1 7.6 579,599 22,608 12 50,000 0 2,850 osh-native-souffle
ex.bashcomp-parse-help 180 0 3 10.3 8.7 995,281 15,258 21 50,000 0 3,894 osh-native
ex.bashcomp-parse-help 175 0 4 10.3 8.4 995,280 15,258 21 50,000 0 3,839 osh-native-souffle
ex.abuild-print-help 22 1 2 2.8 9.0 116,311 277 3 85,234 1 42,617 osh-native
ex.abuild-print-help 21 1 2 2.8 8.7 116,311 277 3 85,110 1 42,555 osh-native-souffle

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 6 0 1.4 dash -
23 23 0 3.0 bash -
104 67 44 3.4 zsh -
16 16 0 29.8 bumpleak/osh mut
19 15 4 29.6 _bin/cxx-opt+bumproot/osh mut
22 14 7 29.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 22 7 25.2 osh-native mut+alloc
31 23 8 25.6 osh-native mut+alloc+free
35 28 8 18.0 osh-native mut+alloc+free+gc
37 28 8 18.1 osh-native mut+alloc+free+gc+exit
43 31 12 32.4 _bin/cxx-opt+nopool/osh mut+alloc
49 45 4 22.2 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
27 19 8 24.6 osh-native-souffle mut+alloc
28 8 20 25.3 osh-native-souffle mut+alloc+free
33 33 0 17.6 osh-native-souffle mut+alloc+free+gc
33 21 12 17.7 osh-native-souffle mut+alloc+free+gc+exit

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
22 18 4 1.6 dash -
78 69 8 3.3 bash -
370 221 170 3.5 zsh -
49 48 0 84.0 bumpleak/osh mut
59 55 4 85.9 _bin/cxx-opt+bumproot/osh mut
69 57 12 85.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
96 72 24 73.3 osh-native mut+alloc
104 80 24 75.4 osh-native mut+alloc+free
142 130 12 49.7 osh-native mut+alloc+free+gc
150 126 24 50.6 osh-native mut+alloc+free+gc+exit
136 100 36 99.6 _bin/cxx-opt+nopool/osh mut+alloc
203 171 32 67.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
87 58 29 73.1 osh-native-souffle mut+alloc
96 60 36 75.0 osh-native-souffle mut+alloc+free
144 123 20 51.0 osh-native-souffle mut+alloc+free+gc
145 129 16 51.7 osh-native-souffle mut+alloc+free+gc+exit

parse.abuild

Parsing abuild from Alpine Linux.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
2 2 0 1.4 dash -
6 6 0 2.9 bash -
8 8 0 3.3 zsh -
6 6 0 11.4 bumpleak/osh mut
6 0 6 10.9 _bin/cxx-opt+bumproot/osh mut
7 0 7 11.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 10.0 osh-native mut+alloc
9 9 0 10.0 osh-native mut+alloc+free
9 3 6 8.7 osh-native mut+alloc+free+gc
9 9 0 8.4 osh-native mut+alloc+free+gc+exit
11 6 6 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 11 0 9.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
8 8 0 9.7 osh-native-souffle mut+alloc
8 4 4 9.7 osh-native-souffle mut+alloc+free
9 9 0 7.9 osh-native-souffle mut+alloc+free+gc
9 9 0 8.0 osh-native-souffle mut+alloc+free+gc+exit

ex.compute-fib

A synthetic benchmark for POSIX shell arithmetic.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
11 7 4 1.4 dash -
29 29 0 3.0 bash -
24 19 4 3.4 zsh -
18 14 4 31.0 bumpleak/osh mut
25 21 4 32.5 _bin/cxx-opt+bumproot/osh mut
28 23 5 31.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 28 8 26.0 osh-native mut+alloc
41 36 4 26.1 osh-native mut+alloc+free
28 19 8 8.0 osh-native mut+alloc+free+gc
28 27 0 7.7 osh-native mut+alloc+free+gc+exit
54 42 11 35.7 _bin/cxx-opt+nopool/osh mut+alloc
37 28 8 9.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
30 21 8 25.6 osh-native-souffle mut+alloc
31 19 11 25.4 osh-native-souffle mut+alloc+free
21 21 0 7.6 osh-native-souffle mut+alloc+free+gc
22 21 0 7.5 osh-native-souffle mut+alloc+free+gc+exit

ex.bashcomp-parse-help

A realistic bash-completion workload.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
74 69 4 3.3 bash -
167 111 56 56.1 bumpleak/osh mut
180 120 60 56.4 _bin/cxx-opt+bumproot/osh mut
194 121 73 56.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 141 69 47.0 osh-native mut+alloc
216 116 100 48.7 osh-native mut+alloc+free
180 136 44 8.7 osh-native mut+alloc+free+gc
181 149 32 8.8 osh-native mut+alloc+free+gc+exit
232 148 84 63.4 _bin/cxx-opt+nopool/osh mut+alloc
210 153 56 10.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
206 130 75 46.7 osh-native-souffle mut+alloc
208 98 110 48.3 osh-native-souffle mut+alloc+free
175 123 52 8.4 osh-native-souffle mut+alloc+free+gc
175 91 83 8.3 osh-native-souffle mut+alloc+free+gc+exit

ex.abuild-print-help

Running abuild -h from Alpine Linux.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
10 8 2 3.5 dash -
20 18 3 4.3 bash -
17 11 7 3.4 zsh -
19 17 2 12.3 bumpleak/osh mut
21 12 9 12.9 _bin/cxx-opt+bumproot/osh mut
20 19 2 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 12 10 10.9 osh-native mut+alloc
23 11 12 11.1 osh-native mut+alloc+free
22 20 3 9.0 osh-native mut+alloc+free+gc
23 17 6 8.9 osh-native mut+alloc+free+gc+exit
24 21 4 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 19 6 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
20 13 8 10.6 osh-native-souffle mut+alloc
21 6 15 10.7 osh-native-souffle mut+alloc+free
21 13 9 8.7 osh-native-souffle mut+alloc+free+gc
22 17 5 8.7 osh-native-souffle mut+alloc+free+gc+exit