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 37 4 11 12.0 18.0 476,744 1,282 6 406,316 5 203,158 osh-native
parse.configure-cpython 35 5 11 12.0 17.6 476,744 1,282 6 406,186 5 203,093 osh-native-souffle
parse.configure-coreutils 162 26 75 44.5 49.8 1,653,332 4,764 12 1,025,512 6 764,299 osh-native
parse.configure-coreutils 155 26 73 45.9 51.0 1,653,331 4,764 12 1,063,842 6 792,359 osh-native-souffle
parse.abuild 10 1 2 2.6 8.5 101,935 180 2 75,016 1 37,508 osh-native
parse.abuild 10 1 2 2.4 8.0 101,935 180 3 87,078 1 43,539 osh-native-souffle
ex.compute-fib 29 0 1 2.1 8.1 579,599 22,608 12 50,000 0 2,912 osh-native
ex.compute-fib 22 0 2 2.1 7.6 579,599 22,608 12 50,000 0 2,850 osh-native-souffle
ex.bashcomp-parse-help 183 0 4 10.3 8.7 995,281 15,258 21 50,000 0 3,894 osh-native
ex.bashcomp-parse-help 177 0 4 10.3 8.1 995,280 15,258 21 50,000 0 3,839 osh-native-souffle
ex.abuild-print-help 22 1 2 2.8 8.9 116,311 277 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
7 7 0 1.6 dash -
24 19 4 3.0 bash -
105 53 58 3.4 zsh -
16 16 0 29.0 bumpleak/osh mut
20 16 4 29.3 _bin/cxx-opt+bumproot/osh mut
23 15 8 29.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 18 11 25.0 osh-native mut+alloc
33 24 8 25.6 osh-native mut+alloc+free
37 37 0 18.0 osh-native mut+alloc+free+gc
39 34 4 18.2 osh-native mut+alloc+free+gc+exit
43 21 21 32.1 _bin/cxx-opt+nopool/osh mut+alloc
53 38 15 22.3 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
27 16 12 24.9 osh-native-souffle mut+alloc
30 18 11 25.2 osh-native-souffle mut+alloc+free
35 31 4 17.6 osh-native-souffle mut+alloc+free+gc
35 19 16 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 1.4 dash -
77 74 4 3.1 bash -
377 218 180 3.5 zsh -
49 41 8 85.8 bumpleak/osh mut
60 60 0 86.4 _bin/cxx-opt+bumproot/osh mut
71 67 4 85.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 64 32 73.4 osh-native mut+alloc
105 74 31 75.4 osh-native mut+alloc+free
162 142 20 49.8 osh-native mut+alloc+free+gc
167 154 12 50.3 osh-native mut+alloc+free+gc+exit
140 108 32 98.9 _bin/cxx-opt+nopool/osh mut+alloc
222 190 32 66.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
89 48 40 73.3 osh-native-souffle mut+alloc
98 65 33 74.8 osh-native-souffle mut+alloc+free
155 127 28 51.0 osh-native-souffle mut+alloc+free+gc
155 139 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 1.3 dash -
6 3 3 2.8 bash -
8 8 0 3.4 zsh -
7 7 0 11.2 bumpleak/osh mut
7 7 0 12.4 _bin/cxx-opt+bumproot/osh mut
7 7 0 10.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 10.1 osh-native mut+alloc
9 9 0 10.1 osh-native mut+alloc+free
10 3 6 8.5 osh-native mut+alloc+free+gc
10 10 0 8.7 osh-native mut+alloc+free+gc+exit
12 4 8 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 4 8 9.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
8 8 0 9.6 osh-native-souffle mut+alloc
9 9 0 9.6 osh-native-souffle mut+alloc+free
10 10 0 8.0 osh-native-souffle mut+alloc+free+gc
10 7 3 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 7 3 1.6 dash -
29 25 4 3.0 bash -
24 20 4 3.3 zsh -
19 14 5 31.1 bumpleak/osh mut
26 26 0 32.2 _bin/cxx-opt+bumproot/osh mut
28 28 0 32.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 24 12 26.3 osh-native mut+alloc
38 34 4 26.6 osh-native mut+alloc+free
29 28 0 8.1 osh-native mut+alloc+free+gc
28 24 4 8.0 osh-native mut+alloc+free+gc+exit
56 36 20 35.9 _bin/cxx-opt+nopool/osh mut+alloc
38 33 4 9.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
31 11 19 26.0 osh-native-souffle mut+alloc
32 16 16 26.3 osh-native-souffle mut+alloc+free
22 15 7 7.6 osh-native-souffle mut+alloc+free+gc
22 18 4 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 3.1 bash -
170 103 67 55.0 bumpleak/osh mut
182 129 52 55.3 _bin/cxx-opt+bumproot/osh mut
198 121 77 55.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
214 131 83 47.4 osh-native mut+alloc
221 144 76 49.0 osh-native mut+alloc+free
183 134 49 8.7 osh-native mut+alloc+free+gc
183 119 64 8.8 osh-native mut+alloc+free+gc+exit
234 139 95 64.0 _bin/cxx-opt+nopool/osh mut+alloc
218 157 60 10.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
205 128 76 46.9 osh-native-souffle mut+alloc
214 139 75 48.7 osh-native-souffle mut+alloc+free
177 117 59 8.1 osh-native-souffle mut+alloc+free+gc
174 111 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 9 2 3.5 dash -
20 15 6 4.3 bash -
18 16 3 3.4 zsh -
21 12 8 12.7 bumpleak/osh mut
21 15 6 12.7 _bin/cxx-opt+bumproot/osh mut
22 15 7 13.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 14 8 11.0 osh-native mut+alloc
23 18 6 11.1 osh-native mut+alloc+free
22 21 2 8.9 osh-native mut+alloc+free+gc
23 11 13 9.0 osh-native mut+alloc+free+gc+exit
25 19 7 12.5 _bin/cxx-opt+nopool/osh mut+alloc
26 15 10 10.2 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
21 18 3 10.6 osh-native-souffle mut+alloc
22 14 8 10.5 osh-native-souffle mut+alloc+free
21 13 9 8.7 osh-native-souffle mut+alloc+free+gc
22 17 6 8.7 osh-native-souffle mut+alloc+free+gc+exit