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 3 10 12.0 18.0 476,684 1,282 6 408,754 5 204,377 osh-native
parse.configure-coreutils 151 24 64 46.1 51.4 1,653,272 4,764 12 1,069,120 6 798,641 osh-native
parse.abuild 9 1 2 2.6 8.5 101,875 180 2 75,096 1 37,548 osh-native
ex.compute-fib 28 0 2 2.6 7.9 584,140 31,810 12 50,000 0 2,825 osh-native
ex.bashcomp-parse-help 181 0 4 10.6 8.7 995,217 27,376 21 50,000 0 3,820 osh-native
ex.abuild-print-help 22 1 2 2.8 8.8 116,284 478 3 85,332 1 42,666 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 23 0 3.1 bash -
104 61 50 3.3 zsh -
16 16 0 29.3 bumpleak/osh mut
19 15 4 30.3 _bin/cxx-opt+bumproot/osh mut
22 17 4 30.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 15 15 25.0 osh-native mut+alloc
32 31 0 25.6 osh-native mut+alloc+free
36 31 4 18.0 osh-native mut+alloc+free+gc
36 24 12 17.8 osh-native mut+alloc+free+gc+exit
44 36 8 32.4 _bin/cxx-opt+nopool/osh mut+alloc
48 36 12 21.9 _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 72 4 3.1 bash -
372 210 183 3.4 zsh -
49 34 15 85.5 bumpleak/osh mut
61 57 4 85.3 _bin/cxx-opt+bumproot/osh mut
70 50 19 85.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 61 36 73.3 osh-native mut+alloc
110 89 20 75.3 osh-native mut+alloc+free
151 139 12 51.4 osh-native mut+alloc+free+gc
158 122 35 52.3 osh-native mut+alloc+free+gc+exit
138 106 31 97.8 _bin/cxx-opt+nopool/osh mut+alloc
211 179 32 73.1 _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 3 3 3.0 bash -
8 0 7 3.1 zsh -
6 0 6 10.4 bumpleak/osh mut
6 3 3 10.9 _bin/cxx-opt+bumproot/osh mut
7 3 3 11.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 9.8 osh-native mut+alloc
8 8 0 10.1 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 9 0 8.7 osh-native mut+alloc+free+gc+exit
11 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 11 0 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 7 4 1.4 dash -
29 29 0 2.9 bash -
23 19 4 3.3 zsh -
19 19 0 31.4 bumpleak/osh mut
26 22 4 32.8 _bin/cxx-opt+bumproot/osh mut
30 22 7 32.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 28 8 26.3 osh-native mut+alloc
37 22 15 26.6 osh-native mut+alloc+free
28 28 0 7.9 osh-native mut+alloc+free+gc
28 24 4 7.9 osh-native mut+alloc+free+gc+exit
54 25 29 35.7 _bin/cxx-opt+nopool/osh mut+alloc
36 32 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
73 73 0 3.1 bash -
167 107 59 55.2 bumpleak/osh mut
178 149 28 55.8 _bin/cxx-opt+bumproot/osh mut
193 128 64 56.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
209 136 72 47.0 osh-native mut+alloc
217 117 101 48.9 osh-native mut+alloc+free
181 137 44 8.7 osh-native mut+alloc+free+gc
180 108 72 8.7 osh-native mut+alloc+free+gc+exit
229 148 80 64.1 _bin/cxx-opt+nopool/osh mut+alloc
208 176 32 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 8 1 3.4 dash -
20 17 3 4.5 bash -
18 6 12 3.5 zsh -
18 11 7 11.8 bumpleak/osh mut
19 12 8 12.1 _bin/cxx-opt+bumproot/osh mut
21 16 6 13.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 10 12 10.9 osh-native mut+alloc
22 7 15 10.7 osh-native mut+alloc+free
22 18 5 8.8 osh-native mut+alloc+free+gc
23 19 4 8.8 osh-native mut+alloc+free+gc+exit
25 13 12 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 23 2 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc