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 38 5 12 12.0 17.7 476,676 1,282 6 408,744 5 204,372 osh-native
parse.configure-coreutils 179 28 88 46.1 51.4 1,653,264 4,764 12 1,069,110 6 798,636 osh-native
parse.abuild 9 1 1 2.6 8.4 101,867 180 2 75,086 1 37,543 osh-native
ex.compute-fib 29 0 2 2.6 7.9 584,128 31,810 12 50,000 0 2,818 osh-native
ex.bashcomp-parse-help 185 0 4 12.3 8.8 1,002,882 27,376 21 50,000 0 3,802 osh-native
ex.abuild-print-help 23 1 2 2.8 8.7 116,069 478 3 85,320 1 42,660 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 6 0 1.6 dash -
23 23 0 3.0 bash -
106 49 63 3.4 zsh -
17 13 4 29.5 bumpleak/osh mut
19 12 8 29.0 _bin/cxx-opt+bumproot/osh mut
22 22 0 29.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 8 21 25.0 osh-native mut+alloc
32 20 12 25.6 osh-native mut+alloc+free
38 30 8 17.7 osh-native mut+alloc+free+gc
38 38 0 18.0 osh-native mut+alloc+free+gc+exit
44 31 12 32.4 _bin/cxx-opt+nopool/osh mut+alloc
55 47 8 21.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

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 22 0 1.4 dash -
77 77 0 3.3 bash -
386 217 190 3.7 zsh -
50 34 15 84.5 bumpleak/osh mut
61 49 12 86.2 _bin/cxx-opt+bumproot/osh mut
71 55 16 86.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
100 67 32 73.4 osh-native mut+alloc
106 67 39 75.1 osh-native mut+alloc+free
179 158 20 51.4 osh-native mut+alloc+free+gc
179 143 36 52.2 osh-native mut+alloc+free+gc+exit
140 68 72 98.9 _bin/cxx-opt+nopool/osh mut+alloc
253 229 24 73.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

parse.abuild

Parsing abuild from Alpine Linux.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
2 0 2 1.4 dash -
6 6 0 2.9 bash -
8 4 4 3.3 zsh -
6 3 3 10.3 bumpleak/osh mut
6 7 0 14.1 _bin/cxx-opt+bumproot/osh mut
8 0 8 11.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 3 6 10.1 osh-native mut+alloc
9 3 6 10.0 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
12 4 8 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 9.3 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

ex.compute-fib

A synthetic benchmark for POSIX shell arithmetic.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
11 11 0 1.4 dash -
29 25 4 2.9 bash -
24 24 0 3.3 zsh -
19 15 4 31.0 bumpleak/osh mut
27 19 7 33.2 _bin/cxx-opt+bumproot/osh mut
29 18 11 32.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
39 19 19 26.3 osh-native mut+alloc
40 27 12 26.5 osh-native mut+alloc+free
29 28 0 7.9 osh-native mut+alloc+free+gc
29 29 0 7.9 osh-native mut+alloc+free+gc+exit
55 39 16 35.7 _bin/cxx-opt+nopool/osh mut+alloc
38 30 7 9.2 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

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 -
171 127 44 56.0 bumpleak/osh mut
180 100 80 57.9 _bin/cxx-opt+bumproot/osh mut
196 120 76 57.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
214 117 97 48.9 osh-native mut+alloc
221 140 80 50.7 osh-native mut+alloc+free
185 133 52 8.8 osh-native mut+alloc+free+gc
185 104 80 8.7 osh-native mut+alloc+free+gc+exit
234 143 91 64.7 _bin/cxx-opt+nopool/osh mut+alloc
216 176 40 10.2 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

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 8 2 3.4 dash -
20 15 6 4.2 bash -
18 12 6 3.4 zsh -
19 11 8 11.1 bumpleak/osh mut
20 12 9 13.6 _bin/cxx-opt+bumproot/osh mut
24 13 11 13.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 12 11 10.9 osh-native mut+alloc
23 15 9 10.9 osh-native mut+alloc+free
23 22 2 8.7 osh-native mut+alloc+free+gc
24 19 6 8.7 osh-native mut+alloc+free+gc+exit
26 7 20 12.7 _bin/cxx-opt+nopool/osh mut+alloc
27 24 3 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc