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 36 4 10 12.0 18.0 476,744 1,282 6 406,316 5 203,158 osh-native
parse.configure-cpython 33 3 10 12.0 17.6 476,744 1,282 6 406,186 5 203,093 osh-native-souffle
parse.configure-coreutils 147 23 61 44.5 49.7 1,653,332 4,764 12 1,025,512 6 764,299 osh-native
parse.configure-coreutils 141 24 63 45.9 50.8 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 22 0 1 2.1 7.5 579,599 22,608 12 50,000 0 2,850 osh-native-souffle
ex.bashcomp-parse-help 182 0 3 10.3 8.7 995,281 15,258 21 50,000 0 3,894 osh-native
ex.bashcomp-parse-help 175 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 9.0 116,311 277 3 85,234 1 42,617 osh-native
ex.abuild-print-help 20 1 2 2.8 8.5 116,311 277 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 1.6 dash -
23 23 0 2.9 bash -
105 47 64 3.4 zsh -
16 8 8 29.9 bumpleak/osh mut
19 19 0 29.7 _bin/cxx-opt+bumproot/osh mut
22 18 4 28.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 17 13 25.4 osh-native mut+alloc
31 17 13 25.7 osh-native mut+alloc+free
36 18 18 18.0 osh-native mut+alloc+free+gc
36 32 4 18.0 osh-native mut+alloc+free+gc+exit
44 24 20 32.6 _bin/cxx-opt+nopool/osh mut+alloc
48 36 12 22.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
27 18 9 24.8 osh-native-souffle mut+alloc
29 14 14 25.3 osh-native-souffle mut+alloc+free
33 22 11 17.6 osh-native-souffle mut+alloc+free+gc
33 25 8 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 17 4 1.4 dash -
78 78 0 3.1 bash -
376 229 168 3.5 zsh -
51 46 4 85.0 bumpleak/osh mut
59 55 4 85.2 _bin/cxx-opt+bumproot/osh mut
70 57 12 86.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
96 60 36 73.5 osh-native mut+alloc
105 68 36 75.2 osh-native mut+alloc+free
147 123 24 49.7 osh-native mut+alloc+free+gc
154 130 24 50.5 osh-native mut+alloc+free+gc+exit
140 100 40 97.6 _bin/cxx-opt+nopool/osh mut+alloc
209 173 36 67.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
89 64 24 73.0 osh-native-souffle mut+alloc
95 63 32 75.1 osh-native-souffle mut+alloc+free
141 125 16 50.8 osh-native-souffle mut+alloc+free+gc
145 121 24 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 3.0 bash -
8 7 0 3.3 zsh -
6 0 6 11.5 bumpleak/osh mut
7 3 3 11.7 _bin/cxx-opt+bumproot/osh mut
8 8 0 12.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.1 osh-native mut+alloc
9 9 0 10.1 osh-native mut+alloc+free
9 4 4 8.4 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
12 12 0 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 8 4 9.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
8 8 0 9.4 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 7.9 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 1.6 dash -
28 28 0 3.0 bash -
24 8 16 3.3 zsh -
19 19 0 32.0 bumpleak/osh mut
25 25 0 32.0 _bin/cxx-opt+bumproot/osh mut
27 27 0 31.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 20 16 26.0 osh-native mut+alloc
37 22 15 26.0 osh-native mut+alloc+free
28 20 8 8.0 osh-native mut+alloc+free+gc
27 27 0 8.0 osh-native mut+alloc+free+gc+exit
54 37 16 35.6 _bin/cxx-opt+nopool/osh mut+alloc
37 37 0 9.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
30 17 13 25.6 osh-native-souffle mut+alloc
31 16 16 25.6 osh-native-souffle mut+alloc+free
22 21 0 7.5 osh-native-souffle mut+alloc+free+gc
22 17 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 69 4 3.1 bash -
169 85 85 53.9 bumpleak/osh mut
182 131 51 55.4 _bin/cxx-opt+bumproot/osh mut
194 129 65 55.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 115 95 47.1 osh-native mut+alloc
218 129 89 48.7 osh-native mut+alloc+free
182 111 71 8.7 osh-native mut+alloc+free+gc
180 124 56 8.7 osh-native mut+alloc+free+gc+exit
233 172 60 63.9 _bin/cxx-opt+nopool/osh mut+alloc
211 167 44 10.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
205 106 98 46.7 osh-native-souffle mut+alloc
211 139 71 48.3 osh-native-souffle mut+alloc+free
175 109 65 8.3 osh-native-souffle mut+alloc+free+gc
174 134 40 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 5 6 3.5 dash -
19 18 2 4.5 bash -
18 18 0 3.5 zsh -
20 15 5 12.2 bumpleak/osh mut
20 18 2 12.1 _bin/cxx-opt+bumproot/osh mut
22 15 7 13.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 14 8 10.9 osh-native mut+alloc
23 13 10 11.3 osh-native mut+alloc+free
22 16 6 9.0 osh-native mut+alloc+free+gc
22 14 9 8.8 osh-native mut+alloc+free+gc+exit
25 11 14 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 15 10 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
20 11 9 10.6 osh-native-souffle mut+alloc
21 13 8 10.6 osh-native-souffle mut+alloc+free
20 11 10 8.5 osh-native-souffle mut+alloc+free+gc
21 14 8 8.7 osh-native-souffle mut+alloc+free+gc+exit