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 17.8 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 146 23 59 44.6 50.0 1,653,299 4,764 12 1,030,676 6 769,422 osh-native
parse.abuild 9 1 1 2.6 8.5 101,902 180 2 75,134 1 37,567 osh-native
ex.compute-fib 28 0 1 2.4 8.0 584,167 22,608 12 50,000 0 2,844 osh-native
ex.bashcomp-parse-help 183 0 3 10.3 8.8 995,244 12,911 21 50,000 0 3,834 osh-native
ex.abuild-print-help 22 1 2 2.8 9.0 116,311 270 3 85,370 1 42,685 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
7 6 0 1.6 dash -
23 23 0 2.9 bash -
105 52 60 3.4 zsh -
16 16 0 28.4 bumpleak/osh mut
19 19 0 29.1 _bin/cxx-opt+bumproot/osh mut
22 15 7 28.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 18 11 25.3 osh-native mut+alloc
31 23 8 25.6 osh-native mut+alloc+free
35 35 0 17.8 osh-native mut+alloc+free+gc
36 24 12 18.0 osh-native mut+alloc+free+gc+exit
43 27 16 32.6 _bin/cxx-opt+nopool/osh mut+alloc
49 33 16 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 18 4 1.4 dash -
78 77 0 3.3 bash -
376 207 190 3.4 zsh -
50 33 16 84.9 bumpleak/osh mut
59 51 8 85.7 _bin/cxx-opt+bumproot/osh mut
70 42 27 86.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 65 33 73.4 osh-native mut+alloc
106 73 32 75.3 osh-native mut+alloc+free
146 134 12 50.0 osh-native mut+alloc+free+gc
155 119 36 50.6 osh-native mut+alloc+free+gc+exit
139 78 61 98.4 _bin/cxx-opt+nopool/osh mut+alloc
208 171 36 68.6 _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 1.3 dash -
6 6 0 3.0 bash -
8 4 4 3.3 zsh -
6 0 6 11.2 bumpleak/osh mut
7 0 7 10.9 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.0 osh-native mut+alloc
8 8 0 10.1 osh-native mut+alloc+free
9 6 3 8.5 osh-native mut+alloc+free+gc
9 9 0 8.4 osh-native mut+alloc+free+gc+exit
12 4 8 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 7 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 7 3 1.4 dash -
29 29 0 2.9 bash -
24 12 12 3.3 zsh -
19 15 4 31.7 bumpleak/osh mut
25 25 0 32.0 _bin/cxx-opt+bumproot/osh mut
28 24 4 32.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 24 12 26.2 osh-native mut+alloc
38 26 11 26.3 osh-native mut+alloc+free
28 21 7 8.0 osh-native mut+alloc+free+gc
28 28 0 8.1 osh-native mut+alloc+free+gc+exit
55 38 17 35.9 _bin/cxx-opt+nopool/osh mut+alloc
38 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
75 75 0 3.0 bash -
167 91 76 55.1 bumpleak/osh mut
178 107 71 55.4 _bin/cxx-opt+bumproot/osh mut
194 114 79 54.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
208 124 84 47.0 osh-native mut+alloc
214 145 69 48.6 osh-native mut+alloc+free
183 143 40 8.8 osh-native mut+alloc+free+gc
180 128 52 8.8 osh-native mut+alloc+free+gc+exit
231 139 91 64.0 _bin/cxx-opt+nopool/osh mut+alloc
208 148 60 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 5 6 3.4 dash -
19 15 5 4.3 bash -
17 17 1 3.4 zsh -
20 12 8 12.7 bumpleak/osh mut
21 11 10 12.7 _bin/cxx-opt+bumproot/osh mut
20 13 7 12.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 18 4 11.0 osh-native mut+alloc
22 12 10 11.1 osh-native mut+alloc+free
22 10 12 9.0 osh-native mut+alloc+free+gc
23 17 7 9.0 osh-native mut+alloc+free+gc+exit
25 15 10 12.7 _bin/cxx-opt+nopool/osh mut+alloc
24 19 6 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc