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 10 12.0 18.0 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 152 26 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 1 2.6 8.0 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 181 0 3 10.6 8.7 995,222 27,376 21 50,000 0 3,821 osh-native
ex.abuild-print-help 24 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 6 0 1.6 dash -
26 22 4 3.0 bash -
105 55 56 3.4 zsh -
16 8 8 29.4 bumpleak/osh mut
20 16 4 28.7 _bin/cxx-opt+bumproot/osh mut
23 19 4 29.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 19 11 25.2 osh-native mut+alloc
32 28 4 25.6 osh-native mut+alloc+free
36 31 4 18.0 osh-native mut+alloc+free+gc
38 22 15 18.0 osh-native mut+alloc+free+gc+exit
43 31 12 32.1 _bin/cxx-opt+nopool/osh mut+alloc
49 41 8 21.8 _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 -
78 73 4 3.0 bash -
376 217 182 3.4 zsh -
49 44 4 85.3 bumpleak/osh mut
61 48 12 85.6 _bin/cxx-opt+bumproot/osh mut
71 47 24 85.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 70 29 73.3 osh-native mut+alloc
107 75 32 75.2 osh-native mut+alloc+free
152 120 32 51.6 osh-native mut+alloc+free+gc
164 144 20 52.1 osh-native mut+alloc+free+gc+exit
140 84 56 98.6 _bin/cxx-opt+nopool/osh mut+alloc
216 188 28 73.5 _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 2.8 bash -
8 0 7 3.3 zsh -
6 6 0 11.7 bumpleak/osh mut
6 3 3 12.0 _bin/cxx-opt+bumproot/osh mut
8 4 4 12.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.0 osh-native mut+alloc
9 4 4 10.0 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
9 4 4 8.7 osh-native mut+alloc+free+gc+exit
12 12 0 11.3 _bin/cxx-opt+nopool/osh mut+alloc
12 12 0 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 10 0 1.6 dash -
28 28 0 3.0 bash -
24 20 4 3.3 zsh -
19 18 0 31.4 bumpleak/osh mut
25 25 0 31.8 _bin/cxx-opt+bumproot/osh mut
28 28 0 31.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 26 11 26.2 osh-native mut+alloc
39 23 15 26.7 osh-native mut+alloc+free
28 24 4 8.0 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
54 38 17 35.8 _bin/cxx-opt+nopool/osh mut+alloc
37 32 4 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
73 69 4 3.3 bash -
169 68 100 54.1 bumpleak/osh mut
181 128 52 54.5 _bin/cxx-opt+bumproot/osh mut
192 156 36 55.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 139 72 47.1 osh-native mut+alloc
219 139 79 49.0 osh-native mut+alloc+free
181 124 56 8.7 osh-native mut+alloc+free+gc
180 140 40 8.8 osh-native mut+alloc+free+gc+exit
232 152 80 63.2 _bin/cxx-opt+nopool/osh mut+alloc
207 150 57 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 1 3.5 dash -
19 16 4 4.5 bash -
18 11 7 3.5 zsh -
18 12 7 11.5 bumpleak/osh mut
20 17 3 12.4 _bin/cxx-opt+bumproot/osh mut
21 10 11 12.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 15 7 10.9 osh-native mut+alloc
23 15 8 10.9 osh-native mut+alloc+free
24 18 6 8.8 osh-native mut+alloc+free+gc
23 14 10 9.0 osh-native mut+alloc+free+gc+exit
24 23 2 12.4 _bin/cxx-opt+nopool/osh mut+alloc
25 11 15 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc