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 37 4 11 12.0 17.7 476,690 1,282 6 408,762 5 204,381 osh-native
parse.configure-coreutils 160 27 72 46.1 51.4 1,653,278 4,764 12 1,069,128 6 798,645 osh-native
parse.abuild 9 1 1 2.6 8.4 101,881 180 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 180 0 3 10.6 8.7 995,223 27,376 21 50,000 0 3,824 osh-native
ex.abuild-print-help 23 1 2 2.8 8.9 116,290 478 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 1.6 dash -
23 19 4 3.1 bash -
106 84 28 3.4 zsh -
16 16 0 29.6 bumpleak/osh mut
19 15 4 28.5 _bin/cxx-opt+bumproot/osh mut
22 22 0 29.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 21 8 25.2 osh-native mut+alloc
32 20 12 25.6 osh-native mut+alloc+free
37 37 0 17.7 osh-native mut+alloc+free+gc
36 32 4 17.8 osh-native mut+alloc+free+gc+exit
44 28 16 32.1 _bin/cxx-opt+nopool/osh mut+alloc
50 33 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
22 17 4 1.6 dash -
78 74 4 3.1 bash -
379 235 166 3.4 zsh -
50 46 4 84.1 bumpleak/osh mut
59 50 8 85.2 _bin/cxx-opt+bumproot/osh mut
70 62 8 84.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 49 49 73.6 osh-native mut+alloc
104 80 24 75.3 osh-native mut+alloc+free
160 144 16 51.4 osh-native mut+alloc+free+gc
156 136 20 50.6 osh-native mut+alloc+free+gc+exit
140 96 44 98.7 _bin/cxx-opt+nopool/osh mut+alloc
218 173 44 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 1.4 dash -
6 3 3 3.0 bash -
8 8 0 3.4 zsh -
6 3 3 11.0 bumpleak/osh mut
7 4 4 12.0 _bin/cxx-opt+bumproot/osh mut
8 4 4 11.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 8 0 10.1 osh-native mut+alloc
9 4 4 10.2 osh-native mut+alloc+free
9 4 4 8.4 osh-native mut+alloc+free+gc
9 5 5 8.5 osh-native mut+alloc+free+gc+exit
12 8 4 11.3 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 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
10 7 3 1.4 dash -
29 28 0 2.9 bash -
24 12 12 3.3 zsh -
19 4 15 31.6 bumpleak/osh mut
25 17 8 31.7 _bin/cxx-opt+bumproot/osh mut
29 24 4 32.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 28 8 26.5 osh-native mut+alloc
38 23 15 26.6 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
29 29 0 7.7 osh-native mut+alloc+free+gc+exit
54 37 16 36.1 _bin/cxx-opt+nopool/osh mut+alloc
37 37 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
73 69 4 3.3 bash -
169 116 52 54.3 bumpleak/osh mut
177 120 56 55.6 _bin/cxx-opt+bumproot/osh mut
196 128 68 55.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 148 64 47.1 osh-native mut+alloc
218 133 85 48.9 osh-native mut+alloc+free
180 160 20 8.7 osh-native mut+alloc+free+gc
181 140 40 8.7 osh-native mut+alloc+free+gc+exit
232 148 84 64.4 _bin/cxx-opt+nopool/osh mut+alloc
208 163 45 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 9 1 3.3 dash -
20 17 3 4.5 bash -
18 6 12 3.5 zsh -
20 11 9 11.9 bumpleak/osh mut
21 13 8 13.0 _bin/cxx-opt+bumproot/osh mut
21 17 4 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 10 12 10.9 osh-native mut+alloc
23 14 10 10.9 osh-native mut+alloc+free
23 17 6 8.9 osh-native mut+alloc+free+gc
24 14 10 9.0 osh-native mut+alloc+free+gc+exit
25 17 8 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 24 2 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc