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 9 12.0 18.0 476,684 1,282 6 408,754 5 204,377 osh-native
parse.configure-coreutils 153 25 66 46.1 51.4 1,653,272 4,764 12 1,069,120 6 798,641 osh-native
parse.abuild 10 1 1 2.6 8.3 101,875 180 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 1.4 dash -
23 23 0 2.9 bash -
106 53 59 3.4 zsh -
16 8 8 28.4 bumpleak/osh mut
20 16 4 28.7 _bin/cxx-opt+bumproot/osh mut
22 17 4 29.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 21 8 25.2 osh-native mut+alloc
31 20 12 25.4 osh-native mut+alloc+free
36 32 4 18.0 osh-native mut+alloc+free+gc
36 24 12 18.1 osh-native mut+alloc+free+gc+exit
44 36 8 31.9 _bin/cxx-opt+nopool/osh mut+alloc
49 44 4 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
21 21 0 1.6 dash -
78 74 4 3.3 bash -
378 209 189 3.5 zsh -
47 43 4 85.2 bumpleak/osh mut
60 44 16 85.8 _bin/cxx-opt+bumproot/osh mut
70 45 25 86.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 63 35 73.4 osh-native mut+alloc
106 73 33 75.3 osh-native mut+alloc+free
153 140 12 51.4 osh-native mut+alloc+free+gc
158 130 28 52.2 osh-native mut+alloc+free+gc+exit
139 103 36 98.1 _bin/cxx-opt+nopool/osh mut+alloc
228 207 20 71.8 _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 6 0 2.9 bash -
8 4 4 3.3 zsh -
6 0 6 11.4 bumpleak/osh mut
6 3 3 10.9 _bin/cxx-opt+bumproot/osh mut
7 3 3 11.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.1 osh-native mut+alloc
9 4 4 9.8 osh-native mut+alloc+free
10 3 7 8.3 osh-native mut+alloc+free+gc
9 9 0 8.7 osh-native mut+alloc+free+gc+exit
12 12 0 11.3 _bin/cxx-opt+nopool/osh mut+alloc
11 8 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 10 0 1.4 dash -
29 29 0 2.9 bash -
23 14 9 3.3 zsh -
19 14 5 32.1 bumpleak/osh mut
26 22 4 32.3 _bin/cxx-opt+bumproot/osh mut
30 26 4 32.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 12 24 26.5 osh-native mut+alloc
38 27 12 26.6 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
29 28 0 7.9 osh-native mut+alloc+free+gc+exit
53 33 21 35.8 _bin/cxx-opt+nopool/osh mut+alloc
37 30 7 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 73 0 3.1 bash -
167 131 36 55.5 bumpleak/osh mut
178 121 57 55.7 _bin/cxx-opt+bumproot/osh mut
192 140 52 55.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 108 104 47.1 osh-native mut+alloc
219 151 67 48.9 osh-native mut+alloc+free
182 123 59 8.7 osh-native mut+alloc+free+gc
182 129 53 8.7 osh-native mut+alloc+free+gc+exit
232 152 80 62.7 _bin/cxx-opt+nopool/osh mut+alloc
208 144 64 10.2 _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 3.4 dash -
20 16 4 4.5 bash -
18 6 12 3.4 zsh -
20 12 8 12.4 bumpleak/osh mut
22 8 14 13.3 _bin/cxx-opt+bumproot/osh mut
22 16 6 13.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 11 12 10.9 osh-native mut+alloc
23 16 7 10.9 osh-native mut+alloc+free
23 14 9 8.8 osh-native mut+alloc+free+gc
24 14 10 8.9 osh-native mut+alloc+free+gc+exit
25 11 14 12.4 _bin/cxx-opt+nopool/osh mut+alloc
25 18 8 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc