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 6 408,762 5 204,381 osh-native
parse.configure-coreutils 156 25 69 46.1 51.5 1,653,278 4,764 12 1,069,128 6 798,645 osh-native
parse.abuild 9 1 1 2.6 8.3 101,881 180 2 75,104 1 37,552 osh-native
ex.compute-fib 28 0 1 2.6 7.9 584,146 31,810 12 50,000 0 2,828 osh-native
ex.bashcomp-parse-help 181 0 4 10.6 8.4 995,223 27,376 21 50,000 0 3,824 osh-native
ex.abuild-print-help 22 1 2 2.8 8.8 116,290 478 3 85,340 1 42,670 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 -
24 20 4 3.1 bash -
104 63 49 3.3 zsh -
17 12 4 29.7 bumpleak/osh mut
20 20 0 28.9 _bin/cxx-opt+bumproot/osh mut
23 11 11 29.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 22 7 24.9 osh-native mut+alloc
32 20 12 25.4 osh-native mut+alloc+free
35 27 8 18.0 osh-native mut+alloc+free+gc
37 22 15 17.8 osh-native mut+alloc+free+gc+exit
43 20 23 32.8 _bin/cxx-opt+nopool/osh mut+alloc
50 50 0 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 21 0 1.6 dash -
78 78 0 3.3 bash -
377 201 196 3.5 zsh -
49 49 0 85.3 bumpleak/osh mut
64 52 12 85.3 _bin/cxx-opt+bumproot/osh mut
71 55 16 86.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 78 20 73.4 osh-native mut+alloc
107 66 41 75.3 osh-native mut+alloc+free
156 132 24 51.5 osh-native mut+alloc+free+gc
159 130 28 50.4 osh-native mut+alloc+free+gc+exit
138 81 57 98.0 _bin/cxx-opt+nopool/osh mut+alloc
228 179 48 72.8 _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 3 3 3.0 bash -
8 8 0 3.3 zsh -
6 6 0 12.2 bumpleak/osh mut
6 7 0 11.0 _bin/cxx-opt+bumproot/osh mut
7 0 7 11.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.0 osh-native mut+alloc
8 4 4 10.0 osh-native mut+alloc+free
9 9 0 8.3 osh-native mut+alloc+free+gc
9 9 0 8.3 osh-native mut+alloc+free+gc+exit
12 4 8 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 12 0 9.4 _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 -
28 28 0 3.0 bash -
24 20 4 3.4 zsh -
19 11 8 32.1 bumpleak/osh mut
26 22 4 31.9 _bin/cxx-opt+bumproot/osh mut
29 22 7 32.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 28 8 26.5 osh-native mut+alloc
38 38 0 26.6 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
28 27 0 7.9 osh-native mut+alloc+free+gc+exit
54 37 17 36.4 _bin/cxx-opt+nopool/osh mut+alloc
38 38 0 9.4 _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 64 8 3.1 bash -
169 98 71 54.0 bumpleak/osh mut
180 115 64 54.4 _bin/cxx-opt+bumproot/osh mut
194 141 52 56.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 112 100 46.9 osh-native mut+alloc
216 140 76 48.8 osh-native mut+alloc+free
181 101 80 8.4 osh-native mut+alloc+free+gc
183 84 99 8.5 osh-native mut+alloc+free+gc+exit
232 148 84 62.3 _bin/cxx-opt+nopool/osh mut+alloc
207 146 61 9.9 _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 2 3.5 dash -
19 18 2 4.5 bash -
18 12 7 3.4 zsh -
18 16 3 13.1 bumpleak/osh mut
21 17 4 12.7 _bin/cxx-opt+bumproot/osh mut
22 16 6 13.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 15 7 10.9 osh-native mut+alloc
23 8 15 11.1 osh-native mut+alloc+free
22 13 10 8.8 osh-native mut+alloc+free+gc
23 21 3 8.8 osh-native mut+alloc+free+gc+exit
25 12 14 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 23 2 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc