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 17.8 476,751 1,282 6 406,604 5 203,302 osh-native
parse.configure-cpython 32 3 9 12.0 17.7 476,751 1,282 6 406,200 5 203,100 osh-native-souffle
parse.configure-coreutils 157 28 72 44.5 49.7 1,653,339 4,764 12 1,025,526 6 764,306 osh-native
parse.configure-coreutils 137 24 61 44.5 49.4 1,653,338 4,764 12 1,025,396 6 764,241 osh-native-souffle
parse.abuild 9 1 1 2.6 8.5 101,942 180 2 75,030 1 37,515 osh-native
parse.abuild 9 1 2 2.4 8.0 101,942 180 3 87,092 1 43,546 osh-native-souffle
ex.compute-fib 28 0 2 2.1 8.0 579,606 22,608 12 50,000 0 2,919 osh-native
ex.compute-fib 22 0 1 2.1 7.6 579,606 22,608 12 50,000 0 2,858 osh-native-souffle
ex.bashcomp-parse-help 181 0 4 10.8 8.8 1,006,005 15,258 21 50,000 0 3,919 osh-native
ex.bashcomp-parse-help 174 0 3 10.8 8.4 1,006,004 15,258 21 50,000 0 3,842 osh-native-souffle
ex.abuild-print-help 23 1 2 2.8 9.2 116,318 277 3 85,248 1 42,624 osh-native
ex.abuild-print-help 21 1 2 2.8 8.7 116,318 277 3 85,124 1 42,562 osh-native-souffle

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 4 2 1.4 dash -
23 21 2 3.1 bash -
99 53 53 3.4 zsh -
18 14 4 27.9 bumpleak/osh mut
19 15 4 29.5 _bin/cxx-opt+bumproot/osh mut
22 19 3 29.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 23 6 25.2 osh-native mut+alloc
31 21 11 25.7 osh-native mut+alloc+free
36 29 7 17.8 osh-native mut+alloc+free+gc
37 31 6 18.1 osh-native mut+alloc+free+gc+exit
42 26 16 32.4 _bin/cxx-opt+nopool/osh mut+alloc
49 38 11 22.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
27 19 8 24.9 osh-native-souffle mut+alloc
29 18 11 25.2 osh-native-souffle mut+alloc+free
32 26 6 17.7 osh-native-souffle mut+alloc+free+gc
34 28 6 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 19 2 1.4 dash -
77 76 1 3.1 bash -
366 191 196 3.4 zsh -
47 38 9 85.6 bumpleak/osh mut
60 51 9 85.9 _bin/cxx-opt+bumproot/osh mut
71 59 12 86.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
96 61 35 73.4 osh-native mut+alloc
105 69 36 75.4 osh-native mut+alloc+free
157 144 13 49.7 osh-native mut+alloc+free+gc
163 139 24 50.5 osh-native mut+alloc+free+gc+exit
139 94 45 98.9 _bin/cxx-opt+nopool/osh mut+alloc
246 220 26 66.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
87 63 24 73.0 osh-native-souffle mut+alloc
96 56 39 74.8 osh-native-souffle mut+alloc+free
137 109 28 49.4 osh-native-souffle mut+alloc+free+gc
148 123 25 49.9 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 -
5 4 1 2.9 bash -
7 3 4 3.4 zsh -
6 3 2 12.1 bumpleak/osh mut
7 3 4 11.7 _bin/cxx-opt+bumproot/osh mut
7 4 3 10.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 3 6 10.0 osh-native mut+alloc
9 7 2 10.0 osh-native mut+alloc+free
9 8 1 8.5 osh-native mut+alloc+free+gc
9 5 5 8.5 osh-native mut+alloc+free+gc+exit
12 11 1 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 7 4 9.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
8 4 4 9.6 osh-native-souffle mut+alloc
9 6 2 9.7 osh-native-souffle mut+alloc+free
9 6 3 8.0 osh-native-souffle mut+alloc+free+gc
9 5 4 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
10 10 0 1.4 dash -
29 28 1 3.0 bash -
23 19 4 3.4 zsh -
18 16 2 31.2 bumpleak/osh mut
27 23 4 31.6 _bin/cxx-opt+bumproot/osh mut
28 23 5 31.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 27 8 26.3 osh-native mut+alloc
37 24 13 26.6 osh-native mut+alloc+free
28 24 4 8.0 osh-native mut+alloc+free+gc
28 26 2 8.0 osh-native mut+alloc+free+gc+exit
53 36 17 35.8 _bin/cxx-opt+nopool/osh mut+alloc
36 34 2 9.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
30 20 10 26.0 osh-native-souffle mut+alloc
31 18 13 26.1 osh-native-souffle mut+alloc+free
22 21 1 7.6 osh-native-souffle mut+alloc+free+gc
22 19 2 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
72 68 4 3.0 bash -
166 115 51 55.3 bumpleak/osh mut
180 127 52 56.4 _bin/cxx-opt+bumproot/osh mut
194 131 63 57.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
213 151 62 48.0 osh-native mut+alloc
218 153 65 49.8 osh-native mut+alloc+free
181 134 47 8.8 osh-native mut+alloc+free+gc
181 139 42 8.9 osh-native mut+alloc+free+gc+exit
234 168 66 64.0 _bin/cxx-opt+nopool/osh mut+alloc
209 161 49 10.2 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
205 116 89 47.8 osh-native-souffle mut+alloc
211 139 73 49.5 osh-native-souffle mut+alloc+free
174 134 40 8.4 osh-native-souffle mut+alloc+free+gc
174 115 60 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
9 7 3 3.7 dash -
19 8 11 4.5 bash -
17 8 10 3.5 zsh -
19 9 11 12.6 bumpleak/osh mut
20 11 10 12.7 _bin/cxx-opt+bumproot/osh mut
22 12 10 13.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 12 9 11.0 osh-native mut+alloc
22 9 14 11.3 osh-native mut+alloc+free
23 15 8 9.2 osh-native mut+alloc+free+gc
23 13 11 9.0 osh-native mut+alloc+free+gc+exit
24 12 13 12.8 _bin/cxx-opt+nopool/osh mut+alloc
25 15 10 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
20 7 14 10.6 osh-native-souffle mut+alloc
21 9 13 10.9 osh-native-souffle mut+alloc+free
21 11 11 8.7 osh-native-souffle mut+alloc+free+gc
21 10 12 8.7 osh-native-souffle mut+alloc+free+gc+exit