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 4 10 12.0 17.7 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 154 24 64 46.1 51.6 1,653,277 4,764 12 1,069,122 6 798,642 osh-native
parse.abuild 9 1 1 2.6 8.4 101,880 180 2 75,098 1 37,549 osh-native
ex.compute-fib 28 0 2 2.6 8.0 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 182 0 4 10.6 8.7 995,222 27,376 21 50,000 0 3,821 osh-native
ex.abuild-print-help 22 1 2 2.8 8.8 116,289 478 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 3 3 1.4 dash -
23 19 4 3.1 bash -
106 68 44 3.4 zsh -
16 8 8 28.3 bumpleak/osh mut
20 12 8 28.2 _bin/cxx-opt+bumproot/osh mut
22 18 4 30.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 21 8 25.0 osh-native mut+alloc
31 23 8 25.6 osh-native mut+alloc+free
36 36 0 17.7 osh-native mut+alloc+free+gc
36 24 12 18.0 osh-native mut+alloc+free+gc+exit
44 28 16 33.4 _bin/cxx-opt+nopool/osh mut+alloc
48 36 12 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 18 4 1.6 dash -
78 74 4 3.1 bash -
381 211 194 3.7 zsh -
49 36 12 84.6 bumpleak/osh mut
60 52 8 85.8 _bin/cxx-opt+bumproot/osh mut
70 53 16 85.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 70 27 73.5 osh-native mut+alloc
105 76 28 75.4 osh-native mut+alloc+free
154 138 16 51.6 osh-native mut+alloc+free+gc
158 141 16 52.2 osh-native mut+alloc+free+gc+exit
139 83 56 98.1 _bin/cxx-opt+nopool/osh mut+alloc
216 172 44 73.7 _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 6 0 3.0 bash -
8 0 7 3.4 zsh -
6 6 0 12.0 bumpleak/osh mut
7 3 3 11.1 _bin/cxx-opt+bumproot/osh mut
7 4 4 11.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 0 8 10.0 osh-native mut+alloc
8 8 0 10.1 osh-native mut+alloc+free
9 4 4 8.4 osh-native mut+alloc+free+gc
9 4 4 8.5 osh-native mut+alloc+free+gc+exit
12 4 8 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 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
10 10 0 1.4 dash -
29 29 0 3.0 bash -
24 20 4 3.1 zsh -
19 15 4 30.9 bumpleak/osh mut
26 18 7 32.2 _bin/cxx-opt+bumproot/osh mut
28 24 4 31.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 32 4 26.3 osh-native mut+alloc
38 30 8 26.6 osh-native mut+alloc+free
28 23 4 8.0 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
54 34 19 35.8 _bin/cxx-opt+nopool/osh mut+alloc
37 37 0 9.4 _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
72 60 12 3.1 bash -
167 110 57 54.3 bumpleak/osh mut
179 127 52 54.4 _bin/cxx-opt+bumproot/osh mut
195 131 64 56.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 137 73 47.1 osh-native mut+alloc
217 125 92 49.0 osh-native mut+alloc+free
182 111 71 8.7 osh-native mut+alloc+free+gc
180 136 44 8.4 osh-native mut+alloc+free+gc+exit
234 145 89 64.3 _bin/cxx-opt+nopool/osh mut+alloc
207 151 56 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 5 6 3.3 dash -
21 16 5 4.3 bash -
18 14 5 3.5 zsh -
20 13 7 12.9 bumpleak/osh mut
21 19 2 12.8 _bin/cxx-opt+bumproot/osh mut
21 20 2 13.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 14 8 11.0 osh-native mut+alloc
23 20 3 11.1 osh-native mut+alloc+free
22 20 3 8.8 osh-native mut+alloc+free+gc
23 18 6 8.8 osh-native mut+alloc+free+gc+exit
25 19 6 12.5 _bin/cxx-opt+nopool/osh mut+alloc
26 14 12 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc