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 38 4 11 12.0 18.0 476,684 1,282 6 408,754 5 204,377 osh-native
parse.configure-coreutils 171 28 82 46.1 51.4 1,653,272 4,764 12 1,069,120 6 798,641 osh-native
parse.abuild 9 1 1 2.6 8.4 101,875 180 2 75,096 1 37,548 osh-native
ex.compute-fib 28 0 2 2.6 8.0 584,140 31,810 12 50,000 0 2,825 osh-native
ex.bashcomp-parse-help 180 0 4 10.6 8.8 995,217 27,376 21 50,000 0 3,820 osh-native
ex.abuild-print-help 23 1 2 2.8 9.0 116,284 478 3 85,332 1 42,666 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 -
23 19 4 3.0 bash -
105 58 54 3.5 zsh -
17 12 4 29.4 bumpleak/osh mut
20 13 7 28.7 _bin/cxx-opt+bumproot/osh mut
22 15 7 29.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 19 11 25.3 osh-native mut+alloc
32 24 8 25.2 osh-native mut+alloc+free
38 33 4 18.0 osh-native mut+alloc+free+gc
38 37 0 17.8 osh-native mut+alloc+free+gc+exit
43 35 9 33.2 _bin/cxx-opt+nopool/osh mut+alloc
49 29 20 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 1.6 dash -
78 78 0 3.1 bash -
379 186 215 3.7 zsh -
49 34 15 85.9 bumpleak/osh mut
61 53 8 84.9 _bin/cxx-opt+bumproot/osh mut
70 51 20 86.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 63 35 73.4 osh-native mut+alloc
107 80 28 75.3 osh-native mut+alloc+free
171 150 20 51.4 osh-native mut+alloc+free+gc
177 144 32 52.1 osh-native mut+alloc+free+gc+exit
139 94 45 97.6 _bin/cxx-opt+nopool/osh mut+alloc
237 201 36 71.9 _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 0 7 3.3 zsh -
6 3 3 10.4 bumpleak/osh mut
7 3 3 11.3 _bin/cxx-opt+bumproot/osh mut
8 4 4 12.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 10.1 osh-native mut+alloc
9 9 0 10.0 osh-native mut+alloc+free
9 3 6 8.4 osh-native mut+alloc+free+gc
9 6 3 8.5 osh-native mut+alloc+free+gc+exit
12 4 8 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 10 0 1.4 dash -
29 25 4 2.9 bash -
24 16 8 3.3 zsh -
20 16 4 32.6 bumpleak/osh mut
26 26 0 32.8 _bin/cxx-opt+bumproot/osh mut
28 23 4 32.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 26 11 26.3 osh-native mut+alloc
38 31 8 26.7 osh-native mut+alloc+free
28 28 0 8.0 osh-native mut+alloc+free+gc
28 24 4 8.0 osh-native mut+alloc+free+gc+exit
55 43 12 35.8 _bin/cxx-opt+nopool/osh mut+alloc
37 33 4 9.5 _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 65 8 3.3 bash -
168 104 64 55.2 bumpleak/osh mut
178 125 53 55.7 _bin/cxx-opt+bumproot/osh mut
195 135 60 56.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 138 73 47.1 osh-native mut+alloc
217 130 87 48.9 osh-native mut+alloc+free
180 136 44 8.8 osh-native mut+alloc+free+gc
181 117 64 8.8 osh-native mut+alloc+free+gc+exit
232 152 80 62.4 _bin/cxx-opt+nopool/osh mut+alloc
208 152 56 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 2 3.5 dash -
20 15 6 4.2 bash -
18 11 8 3.5 zsh -
20 13 7 12.5 bumpleak/osh mut
20 16 4 12.4 _bin/cxx-opt+bumproot/osh mut
21 14 7 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 13 9 10.9 osh-native mut+alloc
23 16 7 11.0 osh-native mut+alloc+free
23 21 3 9.0 osh-native mut+alloc+free+gc
23 14 10 8.8 osh-native mut+alloc+free+gc+exit
25 18 8 12.5 _bin/cxx-opt+nopool/osh mut+alloc
25 18 8 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc