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 17.7 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 148 24 62 46.1 51.7 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 181 0 3 10.6 8.8 995,222 27,376 21 50,000 0 3,821 osh-native
ex.abuild-print-help 23 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
7 6 0 1.4 dash -
23 23 0 3.1 bash -
107 70 43 3.3 zsh -
16 8 8 28.2 bumpleak/osh mut
20 20 0 28.9 _bin/cxx-opt+bumproot/osh mut
22 15 7 29.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 17 13 25.0 osh-native mut+alloc
31 19 12 25.4 osh-native mut+alloc+free
35 31 4 17.7 osh-native mut+alloc+free+gc
36 31 4 18.0 osh-native mut+alloc+free+gc+exit
43 20 24 32.7 _bin/cxx-opt+nopool/osh mut+alloc
47 31 15 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 22 0 1.4 dash -
77 77 0 3.1 bash -
388 183 222 3.5 zsh -
48 32 16 84.3 bumpleak/osh mut
59 51 8 85.8 _bin/cxx-opt+bumproot/osh mut
70 66 4 86.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
96 75 21 73.4 osh-native mut+alloc
105 64 40 75.2 osh-native mut+alloc+free
148 124 24 51.7 osh-native mut+alloc+free+gc
158 122 36 52.1 osh-native mut+alloc+free+gc+exit
140 109 31 98.5 _bin/cxx-opt+nopool/osh mut+alloc
211 183 28 71.9 _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 4 4 3.3 zsh -
6 3 3 12.2 bumpleak/osh mut
6 0 6 12.5 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 0 8 9.8 osh-native mut+alloc
9 9 0 10.1 osh-native mut+alloc+free
9 5 5 8.5 osh-native mut+alloc+free+gc
9 3 6 8.7 osh-native mut+alloc+free+gc+exit
12 8 4 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 1.6 dash -
29 25 4 2.9 bash -
24 20 4 3.3 zsh -
19 11 7 31.9 bumpleak/osh mut
26 18 7 33.4 _bin/cxx-opt+bumproot/osh mut
29 18 11 33.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 28 8 26.3 osh-native mut+alloc
38 30 8 26.7 osh-native mut+alloc+free
29 21 7 7.7 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
53 42 11 36.4 _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
74 61 12 2.9 bash -
168 96 72 55.1 bumpleak/osh mut
178 118 61 54.6 _bin/cxx-opt+bumproot/osh mut
195 127 68 56.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 137 72 47.1 osh-native mut+alloc
216 148 68 48.9 osh-native mut+alloc+free
181 116 64 8.8 osh-native mut+alloc+free+gc
179 118 61 8.7 osh-native mut+alloc+free+gc+exit
232 152 80 63.1 _bin/cxx-opt+nopool/osh mut+alloc
207 155 52 10.1 _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 7 3 3.4 dash -
19 17 2 4.5 bash -
18 12 7 3.4 zsh -
19 12 7 12.3 bumpleak/osh mut
21 13 8 12.8 _bin/cxx-opt+bumproot/osh mut
21 13 9 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 21 0 11.0 osh-native mut+alloc
23 13 11 10.7 osh-native mut+alloc+free
23 17 5 8.8 osh-native mut+alloc+free+gc
23 16 7 9.0 osh-native mut+alloc+free+gc+exit
25 7 18 12.5 _bin/cxx-opt+nopool/osh mut+alloc
29 25 2 9.7 _bin/cxx-opt+nopool/osh mut+alloc+free+gc