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 9 12.0 18.0 476,744 1,282 6 406,316 5 203,158 osh-native
parse.configure-cpython 32 3 9 12.0 17.4 476,744 1,282 6 406,186 5 203,093 osh-native-souffle
parse.configure-coreutils 141 22 57 44.5 49.8 1,653,332 4,764 12 1,025,512 6 764,299 osh-native
parse.configure-coreutils 133 22 57 45.9 50.9 1,653,331 4,764 12 1,063,842 6 792,359 osh-native-souffle
parse.abuild 9 1 1 2.6 8.4 101,935 180 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 1 2.1 7.5 579,599 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 173 0 3 10.3 8.3 995,280 15,258 21 50,000 0 3,839 osh-native-souffle
ex.abuild-print-help 22 1 2 2.8 9.2 116,311 277 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 72 39 3.3 zsh -
16 8 8 29.4 bumpleak/osh mut
20 16 4 28.5 _bin/cxx-opt+bumproot/osh mut
23 19 4 29.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 17 13 25.2 osh-native mut+alloc
31 27 4 25.7 osh-native mut+alloc+free
35 30 4 18.0 osh-native mut+alloc+free+gc
35 31 4 18.1 osh-native mut+alloc+free+gc+exit
43 31 12 32.9 _bin/cxx-opt+nopool/osh mut+alloc
47 31 16 22.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
26 17 9 24.9 osh-native-souffle mut+alloc
28 16 12 25.2 osh-native-souffle mut+alloc+free
32 24 8 17.4 osh-native-souffle mut+alloc+free+gc
34 30 4 17.6 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
21 21 0 1.4 dash -
77 73 4 3.3 bash -
376 222 176 3.5 zsh -
50 42 8 84.8 bumpleak/osh mut
59 50 8 85.8 _bin/cxx-opt+bumproot/osh mut
71 63 8 86.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
96 58 38 73.4 osh-native mut+alloc
104 64 40 75.1 osh-native mut+alloc+free
141 117 24 49.8 osh-native mut+alloc+free+gc
147 138 8 50.5 osh-native mut+alloc+free+gc+exit
138 71 67 99.4 _bin/cxx-opt+nopool/osh mut+alloc
197 169 28 67.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
87 59 28 73.0 osh-native-souffle mut+alloc
95 68 28 75.0 osh-native-souffle mut+alloc+free
133 113 20 50.9 osh-native-souffle mut+alloc+free+gc
141 121 20 51.5 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 3 3 3.0 bash -
8 4 4 3.3 zsh -
6 3 3 11.9 bumpleak/osh mut
6 0 6 12.6 _bin/cxx-opt+bumproot/osh mut
8 7 0 11.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 9.8 osh-native mut+alloc
8 0 8 10.0 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
11 11 0 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 11 0 9.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
8 4 4 9.6 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 8.1 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 11 0 1.4 dash -
28 25 4 2.9 bash -
23 19 4 3.1 zsh -
18 14 5 31.8 bumpleak/osh mut
25 25 0 31.9 _bin/cxx-opt+bumproot/osh mut
28 24 4 33.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 20 16 26.3 osh-native mut+alloc
37 20 16 26.6 osh-native mut+alloc+free
28 28 0 8.0 osh-native mut+alloc+free+gc
28 28 0 8.0 osh-native mut+alloc+free+gc+exit
54 46 8 35.9 _bin/cxx-opt+nopool/osh mut+alloc
37 36 0 9.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
30 25 4 26.0 osh-native-souffle mut+alloc
31 23 8 26.2 osh-native-souffle mut+alloc+free
21 21 0 7.5 osh-native-souffle mut+alloc+free+gc
22 18 4 7.6 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
73 65 8 3.1 bash -
167 118 49 54.7 bumpleak/osh mut
183 99 83 55.8 _bin/cxx-opt+bumproot/osh mut
195 111 83 55.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 107 103 47.4 osh-native mut+alloc
217 145 72 49.0 osh-native mut+alloc+free
180 116 64 8.7 osh-native mut+alloc+free+gc
181 108 72 8.7 osh-native mut+alloc+free+gc+exit
233 181 52 62.7 _bin/cxx-opt+nopool/osh mut+alloc
210 158 53 10.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
200 132 68 46.9 osh-native-souffle mut+alloc
209 126 83 48.7 osh-native-souffle mut+alloc+free
173 108 64 8.3 osh-native-souffle mut+alloc+free+gc
174 97 77 8.4 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 1 3.4 dash -
20 17 3 4.5 bash -
18 7 10 3.5 zsh -
18 12 7 11.5 bumpleak/osh mut
20 12 9 12.6 _bin/cxx-opt+bumproot/osh mut
20 10 10 12.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 19 2 11.1 osh-native mut+alloc
22 11 11 11.1 osh-native mut+alloc+free
22 13 10 9.2 osh-native mut+alloc+free+gc
22 16 7 9.0 osh-native mut+alloc+free+gc+exit
24 15 9 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 18 8 10.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
20 11 10 10.6 osh-native-souffle mut+alloc
21 20 1 10.6 osh-native-souffle mut+alloc+free
21 16 5 8.7 osh-native-souffle mut+alloc+free+gc
22 10 13 8.7 osh-native-souffle mut+alloc+free+gc+exit