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 18.1 476,684 1,282 6 408,754 5 204,377 osh-native
parse.configure-coreutils 146 22 59 46.1 51.7 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 1 2.6 8.0 584,140 31,810 12 50,000 0 2,825 osh-native
ex.bashcomp-parse-help 183 0 3 10.6 8.5 995,217 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 3 3 1.6 dash -
23 19 4 3.1 bash -
104 53 57 3.5 zsh -
17 8 8 28.3 bumpleak/osh mut
19 15 4 29.5 _bin/cxx-opt+bumproot/osh mut
22 18 4 28.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 21 8 25.0 osh-native mut+alloc
31 27 4 25.6 osh-native mut+alloc+free
35 23 12 18.1 osh-native mut+alloc+free+gc
36 35 0 18.0 osh-native mut+alloc+free+gc+exit
43 26 17 31.9 _bin/cxx-opt+nopool/osh mut+alloc
47 31 16 21.9 _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 18 4 1.4 dash -
77 77 0 3.3 bash -
375 200 196 3.5 zsh -
49 36 12 85.3 bumpleak/osh mut
59 47 12 86.5 _bin/cxx-opt+bumproot/osh mut
70 58 12 85.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 56 40 73.3 osh-native mut+alloc
106 78 27 75.4 osh-native mut+alloc+free
146 126 20 51.7 osh-native mut+alloc+free+gc
152 135 16 52.1 osh-native mut+alloc+free+gc+exit
138 93 44 97.5 _bin/cxx-opt+nopool/osh mut+alloc
207 159 48 73.3 _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 8 3.3 zsh -
6 6 0 11.9 bumpleak/osh mut
6 6 0 12.4 _bin/cxx-opt+bumproot/osh mut
8 4 4 12.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 5 5 10.0 osh-native mut+alloc
9 9 0 10.1 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 3 6 8.7 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 11 0 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 28 0 3.0 bash -
23 19 4 3.4 zsh -
19 15 4 31.5 bumpleak/osh mut
26 18 7 32.6 _bin/cxx-opt+bumproot/osh mut
28 23 4 33.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 24 12 26.3 osh-native mut+alloc
38 25 13 26.7 osh-native mut+alloc+free
28 28 0 8.0 osh-native mut+alloc+free+gc
28 24 4 7.7 osh-native mut+alloc+free+gc+exit
54 45 8 36.4 _bin/cxx-opt+nopool/osh mut+alloc
38 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
72 72 0 3.3 bash -
167 92 76 55.2 bumpleak/osh mut
178 107 71 56.1 _bin/cxx-opt+bumproot/osh mut
193 141 52 56.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 116 96 47.1 osh-native mut+alloc
219 131 87 48.9 osh-native mut+alloc+free
183 131 52 8.5 osh-native mut+alloc+free+gc
180 120 60 8.5 osh-native mut+alloc+free+gc+exit
238 149 89 64.3 _bin/cxx-opt+nopool/osh mut+alloc
208 168 40 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 7 3 3.4 dash -
20 15 5 4.5 bash -
18 5 13 3.4 zsh -
19 8 12 12.1 bumpleak/osh mut
20 18 2 12.2 _bin/cxx-opt+bumproot/osh mut
20 17 4 12.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 14 8 11.0 osh-native mut+alloc
22 20 3 10.9 osh-native mut+alloc+free
22 11 12 8.9 osh-native mut+alloc+free+gc
22 19 4 8.8 osh-native mut+alloc+free+gc+exit
25 19 6 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 15 11 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc