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 9 12.0 18.0 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 163 26 74 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 8.3 101,880 180 2 75,098 1 37,549 osh-native
ex.compute-fib 29 0 1 2.6 8.0 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 179 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 -
23 19 4 3.1 bash -
105 67 44 3.4 zsh -
17 10 7 29.6 bumpleak/osh mut
20 20 0 29.6 _bin/cxx-opt+bumproot/osh mut
23 15 8 29.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 26 4 25.2 osh-native mut+alloc
32 12 20 25.3 osh-native mut+alloc+free
36 28 8 18.0 osh-native mut+alloc+free+gc
37 29 7 17.8 osh-native mut+alloc+free+gc+exit
43 23 19 32.5 _bin/cxx-opt+nopool/osh mut+alloc
48 40 8 22.2 _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 74 4 3.3 bash -
374 191 204 3.5 zsh -
48 36 12 85.6 bumpleak/osh mut
62 54 8 85.9 _bin/cxx-opt+bumproot/osh mut
70 54 16 85.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 78 21 73.6 osh-native mut+alloc
106 82 23 75.3 osh-native mut+alloc+free
163 123 40 51.6 osh-native mut+alloc+free+gc
164 143 20 52.1 osh-native mut+alloc+free+gc+exit
138 75 63 98.2 _bin/cxx-opt+nopool/osh mut+alloc
226 181 44 72.6 _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 7 0 3.4 zsh -
6 3 3 11.3 bumpleak/osh mut
7 0 7 10.7 _bin/cxx-opt+bumproot/osh mut
8 4 4 11.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 9 0 9.8 osh-native mut+alloc
9 0 9 9.8 osh-native mut+alloc+free
9 6 3 8.3 osh-native mut+alloc+free+gc
9 6 3 8.5 osh-native mut+alloc+free+gc+exit
12 4 8 11.3 _bin/cxx-opt+nopool/osh mut+alloc
12 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
11 10 0 1.4 dash -
29 28 0 3.0 bash -
24 8 16 3.3 zsh -
19 15 4 32.6 bumpleak/osh mut
26 19 7 32.2 _bin/cxx-opt+bumproot/osh mut
28 24 4 33.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 24 12 26.3 osh-native mut+alloc
38 19 19 26.6 osh-native mut+alloc+free
29 28 0 8.0 osh-native mut+alloc+free+gc
28 28 0 7.7 osh-native mut+alloc+free+gc+exit
54 46 8 35.9 _bin/cxx-opt+nopool/osh mut+alloc
39 39 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 64 8 3.1 bash -
169 100 68 54.2 bumpleak/osh mut
181 101 80 55.9 _bin/cxx-opt+bumproot/osh mut
194 134 61 56.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
213 128 84 47.1 osh-native mut+alloc
217 136 80 49.0 osh-native mut+alloc+free
179 136 44 8.5 osh-native mut+alloc+free+gc
180 144 36 8.8 osh-native mut+alloc+free+gc+exit
232 143 88 62.7 _bin/cxx-opt+nopool/osh mut+alloc
211 144 68 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 3.5 dash -
19 15 5 4.3 bash -
18 9 9 3.4 zsh -
19 12 7 11.5 bumpleak/osh mut
21 8 13 12.9 _bin/cxx-opt+bumproot/osh mut
22 12 10 13.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 20 2 10.9 osh-native mut+alloc
23 17 6 11.0 osh-native mut+alloc+free
23 16 7 9.0 osh-native mut+alloc+free+gc
23 17 7 9.0 osh-native mut+alloc+free+gc+exit
25 14 11 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 16 10 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc