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 4 10 12.0 18.0 476,699 1,282 6 408,772 5 204,386 osh-native
parse.configure-coreutils 144 23 58 44.6 49.9 1,653,287 4,764 12 1,030,656 6 769,412 osh-native
parse.abuild 9 1 1 2.6 8.3 101,890 180 2 75,114 1 37,557 osh-native
ex.compute-fib 28 0 2 2.4 7.7 584,155 31,810 12 50,000 0 2,833 osh-native
ex.bashcomp-parse-help 180 0 3 10.3 8.7 995,232 27,376 21 50,000 0 3,824 osh-native
ex.abuild-print-help 22 1 2 2.8 9.0 116,299 478 3 85,350 1 42,675 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 3.0 bash -
105 65 46 3.4 zsh -
16 4 12 29.5 bumpleak/osh mut
19 19 0 29.1 _bin/cxx-opt+bumproot/osh mut
22 15 7 28.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 18 11 25.0 osh-native mut+alloc
31 23 8 25.7 osh-native mut+alloc+free
36 32 4 18.0 osh-native mut+alloc+free+gc
36 36 0 18.0 osh-native mut+alloc+free+gc+exit
44 35 9 32.2 _bin/cxx-opt+nopool/osh mut+alloc
50 50 0 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 21 0 1.4 dash -
77 70 8 3.1 bash -
379 223 176 3.5 zsh -
49 36 12 85.4 bumpleak/osh mut
60 56 4 85.2 _bin/cxx-opt+bumproot/osh mut
70 53 16 85.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 53 45 73.3 osh-native mut+alloc
107 63 43 75.4 osh-native mut+alloc+free
144 120 24 49.9 osh-native mut+alloc+free+gc
148 112 36 50.4 osh-native mut+alloc+free+gc+exit
141 88 52 99.0 _bin/cxx-opt+nopool/osh mut+alloc
202 177 24 67.1 _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 3 3 2.9 bash -
8 8 0 3.1 zsh -
6 6 0 10.8 bumpleak/osh mut
7 3 3 11.4 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.1 osh-native mut+alloc
9 4 4 10.0 osh-native mut+alloc+free
9 9 0 8.3 osh-native mut+alloc+free+gc
9 9 0 8.7 osh-native mut+alloc+free+gc+exit
12 12 0 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 11 0 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
10 10 0 1.4 dash -
28 28 0 3.0 bash -
23 19 5 3.3 zsh -
20 0 20 32.6 bumpleak/osh mut
26 26 0 32.7 _bin/cxx-opt+bumproot/osh mut
27 23 4 32.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 28 8 26.1 osh-native mut+alloc
38 29 8 26.5 osh-native mut+alloc+free
28 28 0 7.7 osh-native mut+alloc+free+gc
28 24 4 7.7 osh-native mut+alloc+free+gc+exit
54 31 23 35.8 _bin/cxx-opt+nopool/osh mut+alloc
37 36 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 73 0 3.1 bash -
171 111 60 55.7 bumpleak/osh mut
181 122 59 55.5 _bin/cxx-opt+bumproot/osh mut
192 132 60 55.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
216 136 80 46.9 osh-native mut+alloc
216 156 60 48.7 osh-native mut+alloc+free
180 136 44 8.7 osh-native mut+alloc+free+gc
182 130 51 8.5 osh-native mut+alloc+free+gc+exit
233 173 60 64.1 _bin/cxx-opt+nopool/osh mut+alloc
207 167 40 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 7 3 3.4 dash -
20 16 4 4.5 bash -
17 5 13 3.4 zsh -
19 18 2 12.3 bumpleak/osh mut
19 11 9 13.8 _bin/cxx-opt+bumproot/osh mut
20 15 6 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 14 8 10.7 osh-native mut+alloc
22 10 12 11.0 osh-native mut+alloc+free
22 17 5 9.0 osh-native mut+alloc+free+gc
23 18 5 8.8 osh-native mut+alloc+free+gc+exit
25 13 12 12.6 _bin/cxx-opt+nopool/osh mut+alloc
26 16 10 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc