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 34 3 9 12.0 18.0 476,772 1,282 6 406,624 5 203,312 osh-native
parse.configure-cpython 32 3 9 12.0 17.4 476,772 1,282 6 406,614 5 203,307 osh-native-souffle
parse.configure-coreutils 140 20 55 44.5 49.7 1,653,360 4,764 12 1,025,546 6 764,316 osh-native
parse.configure-coreutils 132 21 55 44.5 49.3 1,653,359 4,764 12 1,025,536 6 764,311 osh-native-souffle
parse.abuild 9 1 1 2.6 8.4 101,963 180 2 75,050 1 37,525 osh-native
parse.abuild 8 1 1 2.6 8.4 101,963 180 2 75,040 1 37,520 osh-native-souffle
ex.compute-fib 29 0 1 2.2 7.9 579,726 22,608 12 50,000 0 2,928 osh-native
ex.compute-fib 21 0 1 2.2 7.6 579,726 22,608 12 50,000 0 2,923 osh-native-souffle
ex.bashcomp-parse-help 185 0 4 11.1 8.8 1,021,043 15,258 22 50,000 0 3,917 osh-native
ex.bashcomp-parse-help 177 0 4 11.1 8.5 1,021,042 15,258 22 50,000 0 3,917 osh-native-souffle
ex.abuild-print-help 21 1 2 2.8 9.0 116,361 277 3 85,266 1 42,633 osh-native
ex.abuild-print-help 20 1 2 2.8 8.7 116,361 277 3 85,256 1 42,628 osh-native-souffle

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 5 1 1.6 dash -
23 23 0 3.1 bash -
99 53 53 3.4 zsh -
16 12 4 28.1 bumpleak/osh mut
20 17 3 29.4 _bin/cxx-opt+bumproot/osh mut
22 16 6 30.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 19 10 25.2 osh-native mut+alloc
30 17 14 25.7 osh-native mut+alloc+free
34 26 8 18.0 osh-native mut+alloc+free+gc
35 24 11 18.1 osh-native mut+alloc+free+gc+exit
42 33 9 32.5 _bin/cxx-opt+nopool/osh mut+alloc
47 36 11 22.2 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
26 16 10 24.8 osh-native-souffle mut+alloc
28 18 10 25.4 osh-native-souffle mut+alloc+free
32 26 6 17.4 osh-native-souffle mut+alloc+free+gc
33 25 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 20 1 1.6 dash -
78 77 1 3.3 bash -
359 199 181 3.5 zsh -
49 36 13 84.9 bumpleak/osh mut
59 48 11 85.6 _bin/cxx-opt+bumproot/osh mut
71 61 10 86.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
95 62 33 73.7 osh-native mut+alloc
105 60 45 75.4 osh-native mut+alloc+free
140 117 23 49.7 osh-native mut+alloc+free+gc
143 124 19 50.5 osh-native mut+alloc+free+gc+exit
135 88 47 99.0 _bin/cxx-opt+nopool/osh mut+alloc
195 168 27 66.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
86 58 28 73.2 osh-native-souffle mut+alloc
96 66 30 75.0 osh-native-souffle mut+alloc+free
132 114 18 49.3 osh-native-souffle mut+alloc+free+gc
136 112 24 50.0 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 1.3 dash -
5 5 1 3.0 bash -
7 6 1 3.3 zsh -
6 5 1 12.3 bumpleak/osh mut
7 4 3 12.0 _bin/cxx-opt+bumproot/osh mut
7 4 3 15.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.1 osh-native mut+alloc
8 5 3 10.4 osh-native mut+alloc+free
9 6 2 8.4 osh-native mut+alloc+free+gc
9 7 2 8.7 osh-native mut+alloc+free+gc+exit
12 7 5 11.5 _bin/cxx-opt+nopool/osh mut+alloc
11 8 4 9.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
8 4 4 9.6 osh-native-souffle mut+alloc
8 3 5 9.7 osh-native-souffle mut+alloc+free
8 4 4 8.4 osh-native-souffle mut+alloc+free+gc
8 6 2 8.3 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 1.3 dash -
28 27 1 3.0 bash -
24 20 4 3.3 zsh -
19 17 2 32.5 bumpleak/osh mut
25 20 5 32.4 _bin/cxx-opt+bumproot/osh mut
28 25 3 33.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 27 10 26.3 osh-native mut+alloc
37 25 12 26.6 osh-native mut+alloc+free
29 26 3 7.9 osh-native mut+alloc+free+gc
28 26 2 8.0 osh-native mut+alloc+free+gc+exit
53 36 17 36.1 _bin/cxx-opt+nopool/osh mut+alloc
37 35 2 9.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
29 14 15 25.8 osh-native-souffle mut+alloc
30 23 8 26.1 osh-native-souffle mut+alloc+free
21 18 4 7.6 osh-native-souffle mut+alloc+free+gc
21 20 1 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
75 71 4 3.1 bash -
167 111 56 56.7 bumpleak/osh mut
180 142 38 57.4 _bin/cxx-opt+bumproot/osh mut
195 128 67 58.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
213 144 69 49.0 osh-native mut+alloc
220 137 84 51.0 osh-native mut+alloc+free
185 134 52 8.8 osh-native mut+alloc+free+gc
183 139 44 8.9 osh-native mut+alloc+free+gc+exit
232 150 81 64.7 _bin/cxx-opt+nopool/osh mut+alloc
208 152 56 10.3 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
204 145 58 48.6 osh-native-souffle mut+alloc
211 136 75 50.4 osh-native-souffle mut+alloc+free
177 118 59 8.5 osh-native-souffle mut+alloc+free+gc
174 121 53 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
9 3 6 3.5 dash -
19 12 7 4.3 bash -
17 7 10 3.5 zsh -
17 8 10 11.7 bumpleak/osh mut
19 9 10 12.0 _bin/cxx-opt+bumproot/osh mut
20 10 10 13.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 13 8 11.1 osh-native mut+alloc
21 7 15 11.3 osh-native mut+alloc+free
21 9 13 9.0 osh-native mut+alloc+free+gc
22 12 11 9.0 osh-native mut+alloc+free+gc+exit
24 13 12 12.7 _bin/cxx-opt+nopool/osh mut+alloc
24 11 13 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
19 7 13 10.5 osh-native-souffle mut+alloc
20 15 6 10.6 osh-native-souffle mut+alloc+free
20 9 12 8.7 osh-native-souffle mut+alloc+free+gc
21 11 11 8.8 osh-native-souffle mut+alloc+free+gc+exit