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 3 9 12.0 18.0 476,690 1,282 6 408,758 5 204,379 osh-native
parse.configure-coreutils 156 25 68 46.1 51.7 1,653,278 4,764 12 1,069,124 6 798,643 osh-native
parse.abuild 12 1 2 2.6 8.4 101,881 180 2 75,100 1 37,550 osh-native
ex.compute-fib 28 0 1 2.4 7.9 584,146 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 182 0 3 10.3 8.8 995,223 27,376 21 50,000 0 3,822 osh-native
ex.abuild-print-help 22 1 2 2.8 8.9 116,290 478 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 -
104 66 44 3.4 zsh -
17 7 10 29.4 bumpleak/osh mut
20 16 4 30.1 _bin/cxx-opt+bumproot/osh mut
22 13 9 30.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 17 13 24.9 osh-native mut+alloc
32 16 16 25.4 osh-native mut+alloc+free
36 32 4 18.0 osh-native mut+alloc+free+gc
36 35 0 17.7 osh-native mut+alloc+free+gc+exit
43 39 4 33.2 _bin/cxx-opt+nopool/osh mut+alloc
48 32 16 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 1.4 dash -
78 70 8 3.1 bash -
380 213 187 3.4 zsh -
51 39 12 85.3 bumpleak/osh mut
61 52 8 84.7 _bin/cxx-opt+bumproot/osh mut
70 57 12 85.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 67 32 73.4 osh-native mut+alloc
106 85 20 75.3 osh-native mut+alloc+free
156 136 20 51.7 osh-native mut+alloc+free+gc
154 138 16 50.6 osh-native mut+alloc+free+gc+exit
138 105 32 97.7 _bin/cxx-opt+nopool/osh mut+alloc
219 182 36 74.0 _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 8 0 3.4 zsh -
6 6 0 11.8 bumpleak/osh mut
7 7 0 10.9 _bin/cxx-opt+bumproot/osh mut
8 4 4 12.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.1 osh-native mut+alloc
9 9 0 10.1 osh-native mut+alloc+free
12 4 8 8.4 osh-native mut+alloc+free+gc
9 9 0 8.7 osh-native mut+alloc+free+gc+exit
12 4 8 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 11 0 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 10 0 1.4 dash -
29 25 4 2.9 bash -
24 20 4 3.3 zsh -
19 15 4 32.6 bumpleak/osh mut
26 18 7 31.9 _bin/cxx-opt+bumproot/osh mut
28 20 8 31.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 36 0 26.2 osh-native mut+alloc
38 25 13 26.5 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
28 28 0 7.7 osh-native mut+alloc+free+gc+exit
55 43 12 35.8 _bin/cxx-opt+nopool/osh mut+alloc
37 37 0 9.3 _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
72 72 0 3.0 bash -
168 108 60 54.4 bumpleak/osh mut
178 130 49 54.7 _bin/cxx-opt+bumproot/osh mut
194 129 65 56.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 136 76 47.0 osh-native mut+alloc
220 144 76 48.6 osh-native mut+alloc+free
182 134 47 8.8 osh-native mut+alloc+free+gc
183 111 72 8.8 osh-native mut+alloc+free+gc+exit
233 150 83 64.1 _bin/cxx-opt+nopool/osh mut+alloc
210 138 71 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 6 4 3.5 dash -
20 13 7 4.3 bash -
18 10 8 3.4 zsh -
20 17 3 12.3 bumpleak/osh mut
19 14 5 13.6 _bin/cxx-opt+bumproot/osh mut
21 11 11 13.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 8 14 11.0 osh-native mut+alloc
22 12 11 10.9 osh-native mut+alloc+free
22 13 10 8.9 osh-native mut+alloc+free+gc
23 11 12 9.0 osh-native mut+alloc+free+gc+exit
25 13 11 12.7 _bin/cxx-opt+nopool/osh mut+alloc
24 17 8 9.7 _bin/cxx-opt+nopool/osh mut+alloc+free+gc