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 18.0 476,755 1,282 6 406,612 5 203,306 osh-native
parse.configure-cpython 32 3 9 12.0 17.4 476,755 1,282 6 406,208 5 203,104 osh-native-souffle
parse.configure-coreutils 148 25 62 44.5 49.7 1,653,343 4,764 12 1,025,534 6 764,310 osh-native
parse.configure-coreutils 136 24 60 44.5 49.4 1,653,342 4,764 12 1,025,404 6 764,245 osh-native-souffle
parse.abuild 9 1 1 2.6 8.5 101,946 180 2 75,038 1 37,519 osh-native
parse.abuild 9 1 2 2.4 7.9 101,946 180 3 87,100 1 43,550 osh-native-souffle
ex.compute-fib 28 0 1 2.1 8.0 579,610 22,608 12 50,000 0 2,923 osh-native
ex.compute-fib 22 0 1 2.1 7.6 579,610 22,608 12 50,000 0 2,862 osh-native-souffle
ex.bashcomp-parse-help 184 0 3 10.3 8.9 995,292 15,258 21 50,000 0 3,905 osh-native
ex.bashcomp-parse-help 175 0 3 10.3 8.4 995,291 15,258 21 50,000 0 3,848 osh-native-souffle
ex.abuild-print-help 22 1 2 2.8 9.0 116,322 277 3 85,256 1 42,628 osh-native
ex.abuild-print-help 21 1 2 2.8 8.5 116,322 277 3 85,132 1 42,566 osh-native-souffle

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 3 3 1.6 dash -
23 23 0 3.0 bash -
104 64 46 3.4 zsh -
16 12 4 29.1 bumpleak/osh mut
20 20 0 30.0 _bin/cxx-opt+bumproot/osh mut
22 15 7 29.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 26 4 25.3 osh-native mut+alloc
31 19 12 25.7 osh-native mut+alloc+free
35 26 9 18.0 osh-native mut+alloc+free+gc
36 32 4 18.1 osh-native mut+alloc+free+gc+exit
44 24 20 32.4 _bin/cxx-opt+nopool/osh mut+alloc
47 32 16 22.2 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
27 11 15 24.9 osh-native-souffle mut+alloc
29 16 12 25.2 osh-native-souffle mut+alloc+free
32 32 0 17.4 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
21 21 0 1.4 dash -
78 78 0 3.1 bash -
376 214 184 3.7 zsh -
49 34 15 84.2 bumpleak/osh mut
60 52 8 84.6 _bin/cxx-opt+bumproot/osh mut
70 66 4 85.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 78 19 73.5 osh-native mut+alloc
105 66 39 75.5 osh-native mut+alloc+free
148 120 28 49.7 osh-native mut+alloc+free+gc
168 144 24 50.5 osh-native mut+alloc+free+gc+exit
138 95 43 98.2 _bin/cxx-opt+nopool/osh mut+alloc
204 152 52 66.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
88 55 32 73.1 osh-native-souffle mut+alloc
96 60 36 74.8 osh-native-souffle mut+alloc+free
136 112 24 49.4 osh-native-souffle mut+alloc+free+gc
143 135 8 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 -
6 3 3 3.0 bash -
8 8 0 3.3 zsh -
6 5 0 11.9 bumpleak/osh mut
7 0 7 11.3 _bin/cxx-opt+bumproot/osh mut
7 0 7 11.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 3 6 10.1 osh-native mut+alloc
9 9 0 10.1 osh-native mut+alloc+free
9 0 9 8.5 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
12 12 0 11.5 _bin/cxx-opt+nopool/osh mut+alloc
11 4 8 9.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
8 4 4 9.6 osh-native-souffle mut+alloc
8 0 8 9.7 osh-native-souffle mut+alloc+free
9 6 3 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 1.4 dash -
29 29 0 2.9 bash -
24 14 9 3.4 zsh -
19 14 5 31.7 bumpleak/osh mut
26 25 0 31.6 _bin/cxx-opt+bumproot/osh mut
29 20 8 32.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 32 4 26.3 osh-native mut+alloc
38 29 8 26.7 osh-native mut+alloc+free
28 28 0 8.0 osh-native mut+alloc+free+gc
28 28 0 8.0 osh-native mut+alloc+free+gc+exit
54 23 31 36.1 _bin/cxx-opt+nopool/osh mut+alloc
37 33 4 9.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
30 9 21 26.0 osh-native-souffle mut+alloc
31 12 19 26.2 osh-native-souffle mut+alloc+free
22 21 0 7.6 osh-native-souffle mut+alloc+free+gc
22 17 4 7.3 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 3.1 bash -
168 108 60 55.6 bumpleak/osh mut
180 112 68 55.7 _bin/cxx-opt+bumproot/osh mut
196 128 68 56.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 148 64 47.3 osh-native mut+alloc
220 132 88 49.1 osh-native mut+alloc+free
184 136 48 8.9 osh-native mut+alloc+free+gc
182 125 57 8.9 osh-native mut+alloc+free+gc+exit
232 132 100 63.7 _bin/cxx-opt+nopool/osh mut+alloc
210 149 61 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
204 112 92 46.9 osh-native-souffle mut+alloc
212 132 80 48.6 osh-native-souffle mut+alloc+free
175 127 48 8.4 osh-native-souffle mut+alloc+free+gc
175 132 44 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
10 10 0 3.4 dash -
20 10 10 4.5 bash -
18 5 13 3.5 zsh -
19 13 7 12.8 bumpleak/osh mut
20 15 6 12.8 _bin/cxx-opt+bumproot/osh mut
20 17 4 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 17 5 11.0 osh-native mut+alloc
22 14 9 11.1 osh-native mut+alloc+free
22 20 2 9.0 osh-native mut+alloc+free+gc
23 21 2 9.0 osh-native mut+alloc+free+gc+exit
24 14 11 12.7 _bin/cxx-opt+nopool/osh mut+alloc
24 19 6 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
20 11 10 10.5 osh-native-souffle mut+alloc
21 11 11 10.6 osh-native-souffle mut+alloc+free
21 14 8 8.5 osh-native-souffle mut+alloc+free+gc
22 21 2 8.7 osh-native-souffle mut+alloc+free+gc+exit