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 151 24 63 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 28 0 2 2.6 7.9 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 181 0 3 10.6 8.5 995,222 27,376 21 50,000 0 3,821 osh-native
ex.abuild-print-help 23 1 2 2.8 9.0 116,289 478 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 20 4 3.0 bash -
103 46 63 3.4 zsh -
17 8 8 28.0 bumpleak/osh mut
19 19 0 29.4 _bin/cxx-opt+bumproot/osh mut
22 11 11 28.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
31 31 0 25.2 osh-native mut+alloc
31 19 12 25.3 osh-native mut+alloc+free
35 35 0 17.7 osh-native mut+alloc+free+gc
36 28 8 17.8 osh-native mut+alloc+free+gc+exit
43 27 15 32.0 _bin/cxx-opt+nopool/osh mut+alloc
47 35 12 22.0 _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 1.6 dash -
78 70 8 3.1 bash -
374 214 184 3.5 zsh -
49 37 12 84.9 bumpleak/osh mut
67 58 8 85.7 _bin/cxx-opt+bumproot/osh mut
70 66 4 86.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 73 24 73.3 osh-native mut+alloc
106 82 24 75.3 osh-native mut+alloc+free
151 111 40 51.7 osh-native mut+alloc+free+gc
156 143 12 52.2 osh-native mut+alloc+free+gc+exit
140 78 62 98.4 _bin/cxx-opt+nopool/osh mut+alloc
209 185 24 73.9 _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 1.3 dash -
6 6 0 3.0 bash -
8 8 0 3.1 zsh -
6 3 3 10.3 bumpleak/osh mut
7 3 3 11.4 _bin/cxx-opt+bumproot/osh mut
7 3 3 10.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.1 osh-native mut+alloc
8 4 4 9.8 osh-native mut+alloc+free
9 4 4 8.5 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
12 11 0 11.3 _bin/cxx-opt+nopool/osh mut+alloc
11 11 0 9.6 _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 24 4 2.9 bash -
24 16 8 3.3 zsh -
20 4 16 31.9 bumpleak/osh mut
25 22 4 33.4 _bin/cxx-opt+bumproot/osh mut
28 20 8 31.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 24 12 26.3 osh-native mut+alloc
38 30 8 26.7 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
28 24 4 8.0 osh-native mut+alloc+free+gc+exit
54 34 19 36.1 _bin/cxx-opt+nopool/osh mut+alloc
37 33 4 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
74 70 4 3.3 bash -
170 106 63 55.9 bumpleak/osh mut
178 127 51 55.4 _bin/cxx-opt+bumproot/osh mut
195 158 36 56.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 131 80 47.0 osh-native mut+alloc
219 139 79 48.8 osh-native mut+alloc+free
181 108 72 8.5 osh-native mut+alloc+free+gc
181 117 64 8.8 osh-native mut+alloc+free+gc+exit
231 163 68 64.1 _bin/cxx-opt+nopool/osh mut+alloc
208 159 48 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 4 6 3.4 dash -
20 13 7 4.3 bash -
17 10 8 3.5 zsh -
20 14 6 12.8 bumpleak/osh mut
21 18 3 12.5 _bin/cxx-opt+bumproot/osh mut
22 16 5 13.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 12 10 10.9 osh-native mut+alloc
23 8 15 11.0 osh-native mut+alloc+free
23 14 9 9.0 osh-native mut+alloc+free+gc
23 20 3 9.0 osh-native mut+alloc+free+gc+exit
25 13 12 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 19 7 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc