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 18.0 476,690 1,282 6 408,758 5 204,379 osh-native
parse.configure-coreutils 149 24 62 46.1 51.6 1,653,278 4,764 12 1,069,124 6 798,643 osh-native
parse.abuild 9 1 1 2.6 8.5 101,881 180 2 75,100 1 37,550 osh-native
ex.compute-fib 28 0 1 2.4 8.0 584,146 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 179 0 3 10.3 8.7 995,223 27,376 21 50,000 0 3,822 osh-native
ex.abuild-print-help 22 1 2 2.8 8.8 116,290 478 3 85,336 1 42,668 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 2.9 bash -
105 72 40 3.3 zsh -
16 12 4 28.6 bumpleak/osh mut
20 15 4 29.6 _bin/cxx-opt+bumproot/osh mut
23 19 4 29.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 25 4 24.9 osh-native mut+alloc
32 8 24 25.4 osh-native mut+alloc+free
35 27 8 18.0 osh-native mut+alloc+free+gc
37 20 16 18.1 osh-native mut+alloc+free+gc+exit
44 24 20 32.0 _bin/cxx-opt+nopool/osh mut+alloc
48 44 4 21.8 _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 17 4 1.4 dash -
78 74 4 3.1 bash -
383 201 203 3.5 zsh -
49 45 4 84.4 bumpleak/osh mut
59 55 4 85.5 _bin/cxx-opt+bumproot/osh mut
70 66 4 86.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 58 39 73.3 osh-native mut+alloc
107 63 44 75.4 osh-native mut+alloc+free
149 129 20 51.6 osh-native mut+alloc+free+gc
156 136 20 50.6 osh-native mut+alloc+free+gc+exit
139 103 36 99.1 _bin/cxx-opt+nopool/osh mut+alloc
222 178 43 72.1 _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 1.3 dash -
6 6 0 2.9 bash -
8 4 4 3.4 zsh -
6 0 6 11.4 bumpleak/osh mut
7 3 3 10.7 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 9.8 osh-native mut+alloc
9 4 4 10.0 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
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 9.6 _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 24 4 2.9 bash -
24 20 4 3.3 zsh -
19 19 0 30.9 bumpleak/osh mut
26 25 0 32.1 _bin/cxx-opt+bumproot/osh mut
28 28 0 32.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 18 18 26.3 osh-native mut+alloc
39 27 12 26.5 osh-native mut+alloc+free
28 28 0 8.0 osh-native mut+alloc+free+gc
29 29 0 7.7 osh-native mut+alloc+free+gc+exit
54 27 27 35.8 _bin/cxx-opt+nopool/osh mut+alloc
38 37 0 9.7 _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 74 0 3.1 bash -
172 120 52 55.1 bumpleak/osh mut
180 108 72 55.5 _bin/cxx-opt+bumproot/osh mut
194 145 48 55.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 157 52 47.0 osh-native mut+alloc
218 154 63 48.7 osh-native mut+alloc+free
179 134 45 8.7 osh-native mut+alloc+free+gc
182 115 67 8.7 osh-native mut+alloc+free+gc+exit
234 123 111 64.4 _bin/cxx-opt+nopool/osh mut+alloc
208 143 64 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 10 10 4.3 bash -
18 5 14 3.4 zsh -
19 11 9 12.2 bumpleak/osh mut
21 18 3 12.5 _bin/cxx-opt+bumproot/osh mut
21 11 10 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 13 9 10.9 osh-native mut+alloc
24 17 7 11.0 osh-native mut+alloc+free
22 13 10 8.8 osh-native mut+alloc+free+gc
23 16 7 8.9 osh-native mut+alloc+free+gc+exit
24 15 10 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 11 15 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc