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 159 25 71 46.1 51.4 1,653,272 4,764 12 1,069,120 6 798,641 osh-native
parse.abuild 9 1 1 2.6 8.5 101,875 180 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 182 0 3 10.6 8.7 995,217 27,376 21 50,000 0 3,820 osh-native
ex.abuild-print-help 23 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 57 54 3.4 zsh -
17 10 7 28.2 bumpleak/osh mut
20 20 0 30.0 _bin/cxx-opt+bumproot/osh mut
23 15 7 28.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 15 15 24.9 osh-native mut+alloc
32 16 16 25.6 osh-native mut+alloc+free
35 26 9 17.8 osh-native mut+alloc+free+gc
38 34 4 18.1 osh-native mut+alloc+free+gc+exit
44 35 8 32.0 _bin/cxx-opt+nopool/osh mut+alloc
48 39 8 22.1 _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 1.6 dash -
78 78 0 3.3 bash -
377 188 210 3.4 zsh -
49 33 16 85.9 bumpleak/osh mut
60 48 12 84.8 _bin/cxx-opt+bumproot/osh mut
70 66 4 86.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 61 36 73.4 osh-native mut+alloc
105 64 40 75.4 osh-native mut+alloc+free
159 139 20 51.4 osh-native mut+alloc+free+gc
163 127 36 52.0 osh-native mut+alloc+free+gc+exit
137 93 44 99.2 _bin/cxx-opt+nopool/osh mut+alloc
222 177 44 74.4 _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 0 2 1.3 dash -
6 6 0 2.9 bash -
8 4 4 3.1 zsh -
6 0 6 12.2 bumpleak/osh mut
7 7 0 11.2 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 10.0 osh-native mut+alloc
9 4 4 9.8 osh-native mut+alloc+free
9 5 5 8.5 osh-native mut+alloc+free+gc
9 0 9 8.7 osh-native mut+alloc+free+gc+exit
12 8 4 11.3 _bin/cxx-opt+nopool/osh mut+alloc
12 6 6 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
11 11 0 1.3 dash -
29 29 0 3.0 bash -
24 12 12 3.3 zsh -
19 19 0 31.4 bumpleak/osh mut
25 25 0 31.5 _bin/cxx-opt+bumproot/osh mut
28 24 4 33.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 20 16 26.3 osh-native mut+alloc
38 29 8 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
53 30 23 35.8 _bin/cxx-opt+nopool/osh mut+alloc
37 33 4 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 66 8 3.0 bash -
166 103 63 54.3 bumpleak/osh mut
180 127 53 55.6 _bin/cxx-opt+bumproot/osh mut
192 124 68 56.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 127 83 47.1 osh-native mut+alloc
217 129 89 48.9 osh-native mut+alloc+free
182 145 36 8.7 osh-native mut+alloc+free+gc
181 121 60 8.7 osh-native mut+alloc+free+gc+exit
232 164 68 63.6 _bin/cxx-opt+nopool/osh mut+alloc
210 145 65 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 4 6 3.5 dash -
20 12 8 4.5 bash -
18 12 7 3.4 zsh -
19 12 8 11.7 bumpleak/osh mut
19 15 5 13.6 _bin/cxx-opt+bumproot/osh mut
22 20 3 13.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 11 11 10.7 osh-native mut+alloc
23 16 7 10.9 osh-native mut+alloc+free
23 20 4 8.8 osh-native mut+alloc+free+gc
23 23 0 8.9 osh-native mut+alloc+free+gc+exit
25 18 7 12.4 _bin/cxx-opt+nopool/osh mut+alloc
25 17 9 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc