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 10 12.0 18.0 476,710 1,282 6 408,796 5 204,398 osh-native
parse.configure-coreutils 148 22 61 44.6 49.9 1,653,298 4,764 12 1,030,680 6 769,424 osh-native
parse.abuild 9 1 1 2.6 8.5 101,901 180 2 75,138 1 37,569 osh-native
ex.compute-fib 28 0 2 2.4 7.9 584,166 31,810 12 50,000 0 2,844 osh-native
ex.bashcomp-parse-help 180 0 4 10.3 8.8 995,243 27,376 21 50,000 0 3,826 osh-native
ex.abuild-print-help 23 1 2 2.8 8.9 116,310 478 3 85,374 1 42,687 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 3.0 bash -
104 56 54 3.4 zsh -
16 12 4 30.6 bumpleak/osh mut
19 11 8 30.2 _bin/cxx-opt+bumproot/osh mut
22 15 7 30.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 21 8 25.2 osh-native mut+alloc
32 20 12 25.6 osh-native mut+alloc+free
36 28 8 18.0 osh-native mut+alloc+free+gc
37 32 4 17.8 osh-native mut+alloc+free+gc+exit
43 15 27 31.9 _bin/cxx-opt+nopool/osh mut+alloc
47 43 4 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
21 18 4 1.6 dash -
78 77 0 3.1 bash -
374 216 177 3.5 zsh -
48 44 4 84.4 bumpleak/osh mut
60 47 13 84.9 _bin/cxx-opt+bumproot/osh mut
71 43 27 84.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 52 44 73.4 osh-native mut+alloc
106 73 33 75.3 osh-native mut+alloc+free
148 128 20 49.9 osh-native mut+alloc+free+gc
152 128 24 50.4 osh-native mut+alloc+free+gc+exit
137 109 28 99.2 _bin/cxx-opt+nopool/osh mut+alloc
199 166 32 67.6 _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 6 0 11.6 bumpleak/osh mut
7 0 7 11.7 _bin/cxx-opt+bumproot/osh mut
7 3 3 11.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.0 osh-native mut+alloc
9 4 4 10.1 osh-native mut+alloc+free
9 4 4 8.5 osh-native mut+alloc+free+gc
9 3 6 8.7 osh-native mut+alloc+free+gc+exit
12 4 8 11.3 _bin/cxx-opt+nopool/osh mut+alloc
11 4 8 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 -
29 28 0 2.9 bash -
24 20 4 3.3 zsh -
19 19 0 31.6 bumpleak/osh mut
26 18 7 32.7 _bin/cxx-opt+bumproot/osh mut
27 19 8 32.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 20 16 26.2 osh-native mut+alloc
37 33 4 26.6 osh-native mut+alloc+free
28 28 0 7.9 osh-native mut+alloc+free+gc
28 28 0 8.0 osh-native mut+alloc+free+gc+exit
55 19 35 36.4 _bin/cxx-opt+nopool/osh mut+alloc
37 37 0 9.5 _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 65 8 3.3 bash -
168 112 56 55.1 bumpleak/osh mut
181 124 56 54.6 _bin/cxx-opt+bumproot/osh mut
194 121 73 56.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 127 84 47.0 osh-native mut+alloc
217 153 64 48.7 osh-native mut+alloc+free
180 124 56 8.8 osh-native mut+alloc+free+gc
181 116 64 8.8 osh-native mut+alloc+free+gc+exit
228 176 52 63.8 _bin/cxx-opt+nopool/osh mut+alloc
207 154 53 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
9 4 5 3.4 dash -
19 12 8 4.3 bash -
17 11 7 3.4 zsh -
19 6 13 14.0 bumpleak/osh mut
19 7 12 12.1 _bin/cxx-opt+bumproot/osh mut
20 5 15 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 12 9 10.9 osh-native mut+alloc
22 10 12 11.1 osh-native mut+alloc+free
23 9 14 8.9 osh-native mut+alloc+free+gc
23 13 10 8.8 osh-native mut+alloc+free+gc+exit
24 14 11 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 17 8 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc