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 18.1 476,751 1,282 6 406,604 5 203,302 osh-native
parse.configure-cpython 36 5 12 12.0 17.7 476,751 1,282 6 406,200 5 203,100 osh-native-souffle
parse.configure-coreutils 141 22 56 44.5 49.8 1,653,339 4,764 12 1,025,526 6 764,306 osh-native
parse.configure-coreutils 134 23 60 44.5 49.4 1,653,338 4,764 12 1,025,396 6 764,241 osh-native-souffle
parse.abuild 10 1 2 2.6 8.5 101,942 180 2 75,030 1 37,515 osh-native
parse.abuild 9 1 2 2.4 7.7 101,942 180 3 87,092 1 43,546 osh-native-souffle
ex.compute-fib 28 0 1 2.1 8.0 579,606 22,608 12 50,000 0 2,919 osh-native
ex.compute-fib 21 0 2 2.1 7.7 579,606 22,608 12 50,000 0 2,858 osh-native-souffle
ex.bashcomp-parse-help 182 0 3 10.8 8.8 1,006,005 15,258 21 50,000 0 3,919 osh-native
ex.bashcomp-parse-help 174 0 4 10.8 8.4 1,006,004 15,258 21 50,000 0 3,842 osh-native-souffle
ex.abuild-print-help 22 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
7 7 0 1.4 dash -
23 22 1 3.1 bash -
101 58 50 3.4 zsh -
16 11 6 28.3 bumpleak/osh mut
19 16 4 30.2 _bin/cxx-opt+bumproot/osh mut
23 20 3 29.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 21 9 25.3 osh-native mut+alloc
31 21 10 25.6 osh-native mut+alloc+free
35 31 4 18.1 osh-native mut+alloc+free+gc
39 34 5 18.1 osh-native mut+alloc+free+gc+exit
42 30 12 32.5 _bin/cxx-opt+nopool/osh mut+alloc
47 39 9 21.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
27 18 9 24.6 osh-native-souffle mut+alloc
28 17 11 25.4 osh-native-souffle mut+alloc+free
36 28 8 17.7 osh-native-souffle mut+alloc+free+gc
37 30 7 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 1.6 dash -
78 77 1 3.3 bash -
365 201 185 3.7 zsh -
49 39 10 84.5 bumpleak/osh mut
59 54 5 84.5 _bin/cxx-opt+bumproot/osh mut
71 59 12 86.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
95 59 36 73.5 osh-native mut+alloc
104 74 30 75.4 osh-native mut+alloc+free
141 123 18 49.8 osh-native mut+alloc+free+gc
147 123 24 50.5 osh-native mut+alloc+free+gc+exit
141 89 52 98.9 _bin/cxx-opt+nopool/osh mut+alloc
236 209 27 66.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
87 60 27 73.1 osh-native-souffle mut+alloc
94 67 27 75.0 osh-native-souffle mut+alloc+free
134 116 19 49.4 osh-native-souffle mut+alloc+free+gc
141 123 18 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 2 0 1.4 dash -
5 5 1 2.9 bash -
7 2 5 3.3 zsh -
6 3 3 11.6 bumpleak/osh mut
6 4 2 10.6 _bin/cxx-opt+bumproot/osh mut
8 3 5 12.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 3 5 10.0 osh-native mut+alloc
9 6 2 10.0 osh-native mut+alloc+free
10 7 3 8.5 osh-native mut+alloc+free+gc
9 4 5 8.5 osh-native mut+alloc+free+gc+exit
12 6 6 11.3 _bin/cxx-opt+nopool/osh mut+alloc
12 7 4 9.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
8 3 5 9.7 osh-native-souffle mut+alloc
8 4 4 9.8 osh-native-souffle mut+alloc+free
9 7 2 7.7 osh-native-souffle mut+alloc+free+gc
9 7 2 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 1.4 dash -
28 27 1 3.0 bash -
24 21 3 3.3 zsh -
18 13 5 31.5 bumpleak/osh mut
25 19 7 32.8 _bin/cxx-opt+bumproot/osh mut
28 24 4 31.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 23 14 26.5 osh-native mut+alloc
37 26 11 26.6 osh-native mut+alloc+free
28 24 4 8.0 osh-native mut+alloc+free+gc
28 26 2 7.9 osh-native mut+alloc+free+gc+exit
53 36 18 35.9 _bin/cxx-opt+nopool/osh mut+alloc
37 35 2 9.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
29 20 10 26.1 osh-native-souffle mut+alloc
31 22 9 26.2 osh-native-souffle mut+alloc+free
21 19 2 7.7 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 67 6 3.0 bash -
166 104 62 56.0 bumpleak/osh mut
183 139 43 56.6 _bin/cxx-opt+bumproot/osh mut
195 134 60 57.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 132 77 48.2 osh-native mut+alloc
219 133 86 50.0 osh-native mut+alloc+free
182 124 57 8.8 osh-native mut+alloc+free+gc
180 127 54 8.8 osh-native mut+alloc+free+gc+exit
236 154 82 63.8 _bin/cxx-opt+nopool/osh mut+alloc
220 168 52 10.2 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
202 127 75 47.8 osh-native-souffle mut+alloc
208 132 76 49.3 osh-native-souffle mut+alloc+free
174 111 63 8.4 osh-native-souffle mut+alloc+free+gc
174 114 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 5 4 3.4 dash -
19 9 10 4.5 bash -
17 10 8 3.5 zsh -
20 6 14 12.8 bumpleak/osh mut
21 9 12 13.7 _bin/cxx-opt+bumproot/osh mut
20 8 13 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 6 16 11.0 osh-native mut+alloc
22 9 14 11.3 osh-native mut+alloc+free
22 9 14 9.2 osh-native mut+alloc+free+gc
22 12 11 9.0 osh-native mut+alloc+free+gc+exit
25 15 10 12.5 _bin/cxx-opt+nopool/osh mut+alloc
25 16 10 10.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
19 9 11 10.6 osh-native-souffle mut+alloc
20 11 10 10.7 osh-native-souffle mut+alloc+free
21 14 7 8.7 osh-native-souffle mut+alloc+free+gc
22 12 10 8.7 osh-native-souffle mut+alloc+free+gc+exit