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 17.8 476,690 1,282 6 408,758 5 204,379 osh-native
parse.configure-coreutils 147 23 60 46.1 51.4 1,653,278 4,764 12 1,069,124 6 798,643 osh-native
parse.abuild 9 1 1 2.6 8.5 101,881 180 2 75,100 1 37,550 osh-native
ex.compute-fib 28 0 2 2.4 7.7 584,146 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 180 0 3 10.3 8.4 995,223 27,376 21 50,000 0 3,822 osh-native
ex.abuild-print-help 22 1 2 2.8 8.9 116,290 478 3 85,336 1 42,668 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 6 0 1.4 dash -
23 23 0 3.1 bash -
104 68 42 3.4 zsh -
16 12 4 29.1 bumpleak/osh mut
20 12 8 28.3 _bin/cxx-opt+bumproot/osh mut
23 19 4 29.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 22 7 25.2 osh-native mut+alloc
31 19 12 25.7 osh-native mut+alloc+free
35 23 12 17.8 osh-native mut+alloc+free+gc
35 27 8 18.0 osh-native mut+alloc+free+gc+exit
43 27 15 32.9 _bin/cxx-opt+nopool/osh mut+alloc
47 23 23 22.3 _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
21 21 0 1.6 dash -
76 76 0 3.1 bash -
376 226 170 3.5 zsh -
49 36 12 85.6 bumpleak/osh mut
60 44 16 85.2 _bin/cxx-opt+bumproot/osh mut
70 54 16 85.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
96 60 36 73.3 osh-native mut+alloc
105 61 44 75.3 osh-native mut+alloc+free
147 130 16 51.4 osh-native mut+alloc+free+gc
148 112 36 50.6 osh-native mut+alloc+free+gc+exit
137 82 55 97.7 _bin/cxx-opt+nopool/osh mut+alloc
204 152 52 73.0 _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 3 3 2.9 bash -
8 4 4 3.4 zsh -
6 0 6 11.3 bumpleak/osh mut
7 7 0 11.6 _bin/cxx-opt+bumproot/osh mut
7 0 7 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.1 osh-native mut+alloc
8 4 4 10.1 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 6 3 8.5 osh-native mut+alloc+free+gc+exit
11 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 11 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 1.4 dash -
30 26 4 3.0 bash -
24 16 8 3.4 zsh -
19 15 4 31.6 bumpleak/osh mut
25 21 4 33.3 _bin/cxx-opt+bumproot/osh mut
28 28 0 33.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 28 8 26.1 osh-native mut+alloc
37 33 4 26.6 osh-native mut+alloc+free
28 24 4 7.7 osh-native mut+alloc+free+gc
28 28 0 8.0 osh-native mut+alloc+free+gc+exit
54 42 11 35.9 _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 72 0 3.0 bash -
165 117 48 54.3 bumpleak/osh mut
179 127 52 54.8 _bin/cxx-opt+bumproot/osh mut
193 134 59 55.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
207 136 72 46.9 osh-native mut+alloc
215 139 76 48.7 osh-native mut+alloc+free
180 120 60 8.4 osh-native mut+alloc+free+gc
179 115 64 8.7 osh-native mut+alloc+free+gc+exit
228 140 88 62.8 _bin/cxx-opt+nopool/osh mut+alloc
207 125 81 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 9 2 3.5 dash -
19 14 6 4.3 bash -
18 9 10 3.4 zsh -
19 11 9 12.4 bumpleak/osh mut
20 11 10 13.2 _bin/cxx-opt+bumproot/osh mut
20 17 3 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 12 9 10.9 osh-native mut+alloc
22 15 8 11.0 osh-native mut+alloc+free
22 16 6 8.9 osh-native mut+alloc+free+gc
22 14 8 8.9 osh-native mut+alloc+free+gc+exit
25 14 11 12.8 _bin/cxx-opt+nopool/osh mut+alloc
25 19 6 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc