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 17.8 476,684 1,282 6 408,754 5 204,377 osh-native
parse.configure-coreutils 154 24 67 46.1 51.6 1,653,272 4,764 12 1,069,120 6 798,641 osh-native
parse.abuild 9 1 1 2.6 8.4 101,875 180 2 75,096 1 37,548 osh-native
ex.compute-fib 28 0 1 2.6 7.9 584,140 31,810 12 50,000 0 2,825 osh-native
ex.bashcomp-parse-help 180 0 3 10.6 8.5 995,217 27,376 21 50,000 0 3,820 osh-native
ex.abuild-print-help 22 1 2 2.8 8.9 116,284 478 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 3 3 1.6 dash -
23 19 4 3.0 bash -
105 62 49 3.5 zsh -
16 12 4 28.9 bumpleak/osh mut
20 16 4 28.4 _bin/cxx-opt+bumproot/osh mut
22 21 0 29.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 22 7 25.0 osh-native mut+alloc
31 27 4 25.7 osh-native mut+alloc+free
35 26 9 17.8 osh-native mut+alloc+free+gc
36 28 8 18.0 osh-native mut+alloc+free+gc+exit
43 21 21 31.9 _bin/cxx-opt+nopool/osh mut+alloc
47 39 8 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
21 21 0 1.4 dash -
78 74 4 3.3 bash -
373 222 171 3.5 zsh -
48 40 8 85.0 bumpleak/osh mut
61 42 19 86.2 _bin/cxx-opt+bumproot/osh mut
69 61 8 85.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 78 19 73.3 osh-native mut+alloc
105 58 46 75.3 osh-native mut+alloc+free
154 122 32 51.6 osh-native mut+alloc+free+gc
158 130 28 52.2 osh-native mut+alloc+free+gc+exit
138 106 32 99.2 _bin/cxx-opt+nopool/osh mut+alloc
210 166 44 74.2 _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 2.9 bash -
8 0 7 3.3 zsh -
6 3 3 11.0 bumpleak/osh mut
7 7 0 11.0 _bin/cxx-opt+bumproot/osh mut
7 4 4 11.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 0 9 10.0 osh-native mut+alloc
9 9 0 10.1 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
9 6 3 8.5 osh-native mut+alloc+free+gc+exit
11 11 0 11.3 _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
11 11 0 1.3 dash -
29 24 4 2.9 bash -
24 24 0 3.1 zsh -
19 9 9 31.1 bumpleak/osh mut
26 21 4 32.1 _bin/cxx-opt+bumproot/osh mut
27 23 4 32.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 28 8 26.3 osh-native mut+alloc
38 33 4 26.6 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
28 24 4 8.0 osh-native mut+alloc+free+gc+exit
55 46 8 35.6 _bin/cxx-opt+nopool/osh mut+alloc
37 28 8 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
74 65 8 3.1 bash -
167 103 64 54.8 bumpleak/osh mut
180 102 78 54.3 _bin/cxx-opt+bumproot/osh mut
194 130 63 57.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
209 117 93 47.1 osh-native mut+alloc
218 145 72 48.8 osh-native mut+alloc+free
180 116 64 8.5 osh-native mut+alloc+free+gc
183 130 53 8.5 osh-native mut+alloc+free+gc+exit
231 151 80 64.1 _bin/cxx-opt+nopool/osh mut+alloc
208 152 56 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 1 3.5 dash -
20 11 9 4.3 bash -
18 12 7 3.5 zsh -
20 12 9 12.7 bumpleak/osh mut
22 11 11 13.4 _bin/cxx-opt+bumproot/osh mut
20 14 7 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 17 6 11.0 osh-native mut+alloc
23 18 5 10.9 osh-native mut+alloc+free
22 11 12 8.9 osh-native mut+alloc+free+gc
23 13 10 8.9 osh-native mut+alloc+free+gc+exit
25 14 11 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 11 15 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc