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 17.8 476,684 1,282 6 408,754 5 204,377 osh-native
parse.configure-coreutils 153 25 64 46.1 51.6 1,653,272 4,764 12 1,069,120 6 798,641 osh-native
parse.abuild 9 1 1 2.6 8.5 101,875 180 2 75,096 1 37,548 osh-native
ex.compute-fib 28 0 2 2.6 7.9 584,140 31,810 12 50,000 0 2,825 osh-native
ex.bashcomp-parse-help 179 0 4 10.6 8.7 995,217 27,376 21 50,000 0 3,820 osh-native
ex.abuild-print-help 22 1 2 2.8 8.9 116,284 478 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 1.6 dash -
23 23 0 3.0 bash -
104 65 46 3.5 zsh -
16 12 4 28.7 bumpleak/osh mut
19 19 0 29.1 _bin/cxx-opt+bumproot/osh mut
22 18 4 28.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 25 4 25.2 osh-native mut+alloc
31 18 13 25.7 osh-native mut+alloc+free
36 24 12 17.8 osh-native mut+alloc+free+gc
38 29 8 17.8 osh-native mut+alloc+free+gc+exit
43 19 23 31.8 _bin/cxx-opt+nopool/osh mut+alloc
49 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
21 21 0 1.4 dash -
76 76 0 3.3 bash -
379 210 190 3.5 zsh -
50 50 0 84.9 bumpleak/osh mut
60 52 8 84.7 _bin/cxx-opt+bumproot/osh mut
71 54 17 85.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
96 64 32 73.4 osh-native mut+alloc
106 57 49 75.2 osh-native mut+alloc+free
153 116 36 51.6 osh-native mut+alloc+free+gc
159 143 16 52.1 osh-native mut+alloc+free+gc+exit
141 106 35 98.5 _bin/cxx-opt+nopool/osh mut+alloc
217 181 35 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 6 0 2.9 bash -
8 0 7 3.3 zsh -
6 6 0 12.3 bumpleak/osh mut
7 7 0 11.5 _bin/cxx-opt+bumproot/osh mut
8 4 4 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 3 6 10.0 osh-native mut+alloc
9 4 4 10.0 osh-native mut+alloc+free
9 4 4 8.5 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
12 8 4 11.3 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 9.6 _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 24 4 2.9 bash -
24 16 8 3.3 zsh -
19 19 0 31.8 bumpleak/osh mut
25 25 0 32.7 _bin/cxx-opt+bumproot/osh mut
28 28 0 33.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 28 8 26.3 osh-native mut+alloc
37 21 17 26.7 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
53 33 20 35.8 _bin/cxx-opt+nopool/osh mut+alloc
37 33 4 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 -
167 103 63 55.2 bumpleak/osh mut
179 131 48 56.0 _bin/cxx-opt+bumproot/osh mut
193 137 56 56.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
208 136 72 47.1 osh-native mut+alloc
215 151 64 48.9 osh-native mut+alloc+free
179 107 72 8.7 osh-native mut+alloc+free+gc
180 116 64 8.7 osh-native mut+alloc+free+gc+exit
229 136 92 62.8 _bin/cxx-opt+nopool/osh mut+alloc
207 151 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 8 2 3.5 dash -
20 14 6 4.3 bash -
18 15 3 3.5 zsh -
18 14 5 13.0 bumpleak/osh mut
19 11 8 13.6 _bin/cxx-opt+bumproot/osh mut
20 18 2 11.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 14 8 10.7 osh-native mut+alloc
22 8 15 11.1 osh-native mut+alloc+free
22 20 3 8.9 osh-native mut+alloc+free+gc
23 16 7 8.9 osh-native mut+alloc+free+gc+exit
25 11 14 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 14 11 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc