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 18.2 476,762 1,282 6 406,610 5 203,305 osh-native
parse.configure-cpython 32 3 9 12.0 17.6 476,762 1,282 6 406,326 5 203,163 osh-native-souffle
parse.configure-coreutils 155 24 69 44.5 49.8 1,653,350 4,764 12 1,025,532 6 764,309 osh-native
parse.configure-coreutils 143 25 66 44.5 49.5 1,653,349 4,764 12 1,025,522 6 764,304 osh-native-souffle
parse.abuild 9 1 1 2.6 8.5 101,953 180 2 75,036 1 37,518 osh-native
parse.abuild 8 1 1 2.6 8.1 101,953 180 2 75,026 1 37,513 osh-native-souffle
ex.compute-fib 28 0 2 2.2 8.0 579,717 22,608 12 50,000 0 2,922 osh-native
ex.compute-fib 21 0 1 2.2 7.6 579,717 22,608 12 50,000 0 2,917 osh-native-souffle
ex.bashcomp-parse-help 185 0 4 11.1 8.8 1,021,032 15,258 22 50,000 0 3,911 osh-native
ex.bashcomp-parse-help 176 0 4 11.1 8.5 1,021,031 15,258 22 50,000 0 3,916 osh-native-souffle
ex.abuild-print-help 22 1 2 2.8 9.2 116,336 277 3 85,254 1 42,627 osh-native
ex.abuild-print-help 21 1 2 2.8 8.5 116,336 277 3 85,244 1 42,622 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 1.6 dash -
23 22 1 3.1 bash -
100 52 55 3.4 zsh -
16 12 4 28.0 bumpleak/osh mut
19 17 2 29.7 _bin/cxx-opt+bumproot/osh mut
22 15 7 28.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 18 12 25.2 osh-native mut+alloc
31 25 6 25.7 osh-native mut+alloc+free
35 25 10 18.2 osh-native mut+alloc+free+gc
36 29 7 18.0 osh-native mut+alloc+free+gc+exit
42 30 12 32.5 _bin/cxx-opt+nopool/osh mut+alloc
52 42 11 22.2 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
27 15 12 24.8 osh-native-souffle mut+alloc
28 20 9 25.3 osh-native-souffle mut+alloc+free
32 22 10 17.6 osh-native-souffle mut+alloc+free+gc
33 24 9 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
21 20 1 1.6 dash -
78 76 2 3.3 bash -
365 200 186 3.4 zsh -
51 42 9 85.0 bumpleak/osh mut
59 47 12 84.5 _bin/cxx-opt+bumproot/osh mut
71 57 14 86.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
96 62 34 73.5 osh-native mut+alloc
103 70 33 75.4 osh-native mut+alloc+free
155 139 16 49.8 osh-native mut+alloc+free+gc
164 139 25 50.3 osh-native mut+alloc+free+gc+exit
141 89 52 99.0 _bin/cxx-opt+nopool/osh mut+alloc
229 206 23 66.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
88 49 38 73.1 osh-native-souffle mut+alloc
96 64 32 75.1 osh-native-souffle mut+alloc+free
143 124 19 49.5 osh-native-souffle mut+alloc+free+gc
144 122 22 50.1 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 1 1 1.4 dash -
6 5 1 2.9 bash -
7 5 2 3.3 zsh -
6 4 2 11.6 bumpleak/osh mut
7 4 3 11.3 _bin/cxx-opt+bumproot/osh mut
7 4 3 10.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 2 6 10.0 osh-native mut+alloc
9 5 4 10.1 osh-native mut+alloc+free
9 7 2 8.5 osh-native mut+alloc+free+gc
9 7 2 8.4 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 7 5 9.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
8 3 5 9.7 osh-native-souffle mut+alloc
8 5 3 9.7 osh-native-souffle mut+alloc+free
8 6 3 8.1 osh-native-souffle mut+alloc+free+gc
9 8 1 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
10 10 0 1.4 dash -
28 26 2 3.0 bash -
23 15 8 3.4 zsh -
19 15 4 32.6 bumpleak/osh mut
26 23 3 32.3 _bin/cxx-opt+bumproot/osh mut
28 22 6 32.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 20 16 26.5 osh-native mut+alloc
37 24 14 26.6 osh-native mut+alloc+free
28 26 2 8.0 osh-native mut+alloc+free+gc
29 24 5 8.0 osh-native mut+alloc+free+gc+exit
53 42 12 35.9 _bin/cxx-opt+nopool/osh mut+alloc
38 32 5 9.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
30 15 14 25.8 osh-native-souffle mut+alloc
31 21 10 26.2 osh-native-souffle mut+alloc+free
21 18 3 7.6 osh-native-souffle mut+alloc+free+gc
22 22 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
73 71 2 3.0 bash -
165 113 52 56.0 bumpleak/osh mut
180 127 53 57.1 _bin/cxx-opt+bumproot/osh mut
198 136 62 57.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
242 169 73 49.0 osh-native mut+alloc
222 147 75 50.8 osh-native mut+alloc+free
185 135 50 8.8 osh-native mut+alloc+free+gc
183 136 47 8.8 osh-native mut+alloc+free+gc+exit
236 161 74 64.6 _bin/cxx-opt+nopool/osh mut+alloc
216 156 60 10.2 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
204 113 91 48.6 osh-native-souffle mut+alloc
213 133 80 50.3 osh-native-souffle mut+alloc+free
176 122 54 8.5 osh-native-souffle mut+alloc+free+gc
175 111 63 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 4 6 3.4 dash -
19 10 10 4.3 bash -
17 7 11 3.4 zsh -
18 7 12 13.1 bumpleak/osh mut
21 9 12 13.5 _bin/cxx-opt+bumproot/osh mut
19 7 13 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 8 14 11.0 osh-native mut+alloc
22 12 10 11.0 osh-native mut+alloc+free
22 8 14 9.2 osh-native mut+alloc+free+gc
22 8 14 9.3 osh-native mut+alloc+free+gc+exit
24 14 11 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 15 10 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
20 7 14 10.6 osh-native-souffle mut+alloc
21 9 13 10.6 osh-native-souffle mut+alloc+free
21 11 11 8.5 osh-native-souffle mut+alloc+free+gc
21 10 12 8.5 osh-native-souffle mut+alloc+free+gc+exit