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 3 9 12.0 17.8 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 157 26 68 46.1 51.5 1,653,277 4,764 12 1,069,122 6 798,642 osh-native
parse.abuild 9 1 1 2.6 8.5 101,880 180 2 75,098 1 37,549 osh-native
ex.compute-fib 29 0 1 2.6 7.7 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 182 0 3 10.6 8.7 995,222 27,376 21 50,000 0 3,821 osh-native
ex.abuild-print-help 23 1 2 2.8 8.9 116,289 478 3 85,334 1 42,667 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 -
24 23 0 3.1 bash -
105 55 56 3.5 zsh -
17 17 0 27.9 bumpleak/osh mut
20 16 4 30.1 _bin/cxx-opt+bumproot/osh mut
23 23 0 28.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
31 15 15 25.0 osh-native mut+alloc
32 24 8 25.6 osh-native mut+alloc+free
36 31 4 17.8 osh-native mut+alloc+free+gc
37 28 8 18.1 osh-native mut+alloc+free+gc+exit
44 29 15 32.8 _bin/cxx-opt+nopool/osh mut+alloc
56 47 8 22.1 _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 21 0 1.4 dash -
77 77 0 3.3 bash -
379 207 193 3.5 zsh -
50 42 8 84.4 bumpleak/osh mut
65 57 8 85.2 _bin/cxx-opt+bumproot/osh mut
77 61 16 85.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 51 47 73.4 osh-native mut+alloc
107 75 32 75.4 osh-native mut+alloc+free
157 124 32 51.5 osh-native mut+alloc+free+gc
169 145 24 52.1 osh-native mut+alloc+free+gc+exit
143 102 41 98.6 _bin/cxx-opt+nopool/osh mut+alloc
259 239 20 72.5 _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 2 0 1.4 dash -
6 3 3 3.0 bash -
8 0 7 3.1 zsh -
6 0 6 10.5 bumpleak/osh mut
7 4 4 11.5 _bin/cxx-opt+bumproot/osh mut
8 4 4 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 10.0 osh-native mut+alloc
9 0 9 10.0 osh-native mut+alloc+free
9 3 6 8.5 osh-native mut+alloc+free+gc
9 9 0 8.7 osh-native mut+alloc+free+gc+exit
12 4 8 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 0 12 9.5 _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
10 7 3 1.4 dash -
29 29 0 2.9 bash -
24 20 4 3.3 zsh -
19 15 4 31.5 bumpleak/osh mut
27 19 7 32.6 _bin/cxx-opt+bumproot/osh mut
29 29 0 32.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
38 21 17 26.2 osh-native mut+alloc
40 31 8 26.7 osh-native mut+alloc+free
29 25 4 7.7 osh-native mut+alloc+free+gc
29 24 4 7.9 osh-native mut+alloc+free+gc+exit
62 41 21 35.8 _bin/cxx-opt+nopool/osh mut+alloc
38 30 7 9.5 _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 3.0 bash -
169 88 80 54.7 bumpleak/osh mut
181 137 43 56.5 _bin/cxx-opt+bumproot/osh mut
197 125 72 55.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 128 84 47.1 osh-native mut+alloc
220 124 96 48.9 osh-native mut+alloc+free
182 101 81 8.7 osh-native mut+alloc+free+gc
182 97 85 8.8 osh-native mut+alloc+free+gc+exit
234 163 71 64.5 _bin/cxx-opt+nopool/osh mut+alloc
210 154 55 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 9 1 3.4 dash -
20 12 8 4.5 bash -
19 16 4 3.3 zsh -
20 11 9 12.2 bumpleak/osh mut
21 12 9 13.3 _bin/cxx-opt+bumproot/osh mut
23 15 9 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 20 3 11.0 osh-native mut+alloc
23 13 11 11.0 osh-native mut+alloc+free
23 12 11 8.9 osh-native mut+alloc+free+gc
24 13 12 8.8 osh-native mut+alloc+free+gc+exit
26 18 8 12.7 _bin/cxx-opt+nopool/osh mut+alloc
27 20 7 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc