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 17.8 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 153 25 67 44.6 49.8 1,653,299 4,764 12 1,030,676 6 769,422 osh-native
parse.abuild 9 1 1 2.6 8.5 101,902 180 2 75,134 1 37,567 osh-native
ex.compute-fib 28 0 1 2.4 8.0 584,167 31,810 12 50,000 0 2,842 osh-native
ex.bashcomp-parse-help 181 0 3 10.3 8.7 995,244 27,376 21 50,000 0 3,824 osh-native
ex.abuild-print-help 23 1 2 2.8 9.2 116,311 478 3 85,370 1 42,685 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 19 4 3.0 bash -
105 49 63 3.4 zsh -
16 16 0 28.4 bumpleak/osh mut
19 15 4 29.3 _bin/cxx-opt+bumproot/osh mut
22 15 7 30.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 21 8 25.0 osh-native mut+alloc
31 19 12 25.6 osh-native mut+alloc+free
35 23 12 17.8 osh-native mut+alloc+free+gc
36 32 4 18.0 osh-native mut+alloc+free+gc+exit
44 24 20 31.9 _bin/cxx-opt+nopool/osh mut+alloc
48 32 16 22.0 _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 78 0 3.1 bash -
378 248 153 3.5 zsh -
48 44 4 85.7 bumpleak/osh mut
59 55 4 84.5 _bin/cxx-opt+bumproot/osh mut
70 70 0 84.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 51 47 73.4 osh-native mut+alloc
105 81 24 75.4 osh-native mut+alloc+free
153 125 28 49.8 osh-native mut+alloc+free+gc
156 136 20 50.4 osh-native mut+alloc+free+gc+exit
139 95 44 98.8 _bin/cxx-opt+nopool/osh mut+alloc
222 190 32 68.1 _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 3.0 bash -
8 0 7 3.4 zsh -
6 0 6 10.9 bumpleak/osh mut
6 6 0 10.6 _bin/cxx-opt+bumproot/osh mut
8 4 4 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.1 osh-native mut+alloc
9 4 4 10.1 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 6 3 8.8 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
11 10 0 1.4 dash -
29 29 0 3.0 bash -
24 23 0 3.3 zsh -
20 16 4 32.1 bumpleak/osh mut
26 21 4 32.1 _bin/cxx-opt+bumproot/osh mut
28 20 8 32.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 29 8 26.1 osh-native mut+alloc
38 23 15 26.3 osh-native mut+alloc+free
28 17 10 8.0 osh-native mut+alloc+free+gc
28 28 0 7.7 osh-native mut+alloc+free+gc+exit
54 42 11 36.0 _bin/cxx-opt+nopool/osh mut+alloc
37 29 7 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
74 74 0 3.1 bash -
168 88 80 54.9 bumpleak/osh mut
181 133 48 56.1 _bin/cxx-opt+bumproot/osh mut
192 124 68 55.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 125 84 47.1 osh-native mut+alloc
216 164 52 48.7 osh-native mut+alloc+free
181 126 55 8.7 osh-native mut+alloc+free+gc
180 144 36 8.8 osh-native mut+alloc+free+gc+exit
232 161 71 62.4 _bin/cxx-opt+nopool/osh mut+alloc
208 176 32 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 10 1 3.4 dash -
20 18 2 4.5 bash -
18 11 8 3.4 zsh -
19 11 8 12.2 bumpleak/osh mut
19 11 9 12.4 _bin/cxx-opt+bumproot/osh mut
20 15 6 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 16 6 11.0 osh-native mut+alloc
22 10 12 11.1 osh-native mut+alloc+free
23 13 10 9.2 osh-native mut+alloc+free+gc
23 20 3 9.0 osh-native mut+alloc+free+gc+exit
25 20 5 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 18 8 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc