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 3 9 12.0 18.0 476,684 1,282 6 408,754 5 204,377 osh-native
parse.configure-coreutils 164 26 75 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 1 2.6 7.9 584,140 31,810 12 50,000 0 2,825 osh-native
ex.bashcomp-parse-help 180 0 3 10.6 8.7 995,217 27,376 21 50,000 0 3,820 osh-native
ex.abuild-print-help 23 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 1.4 dash -
23 19 4 3.1 bash -
106 60 52 3.4 zsh -
16 8 8 29.4 bumpleak/osh mut
20 12 8 29.5 _bin/cxx-opt+bumproot/osh mut
22 14 7 29.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 13 17 24.9 osh-native mut+alloc
32 16 16 25.4 osh-native mut+alloc+free
37 37 0 18.0 osh-native mut+alloc+free+gc
36 32 4 18.0 osh-native mut+alloc+free+gc+exit
43 31 12 31.9 _bin/cxx-opt+nopool/osh mut+alloc
54 38 15 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 21 0 1.6 dash -
78 78 0 3.1 bash -
374 215 180 3.5 zsh -
49 45 4 84.3 bumpleak/osh mut
61 57 4 84.9 _bin/cxx-opt+bumproot/osh mut
70 58 12 85.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 61 37 73.7 osh-native mut+alloc
107 75 32 75.4 osh-native mut+alloc+free
164 123 40 51.4 osh-native mut+alloc+free+gc
159 135 24 52.2 osh-native mut+alloc+free+gc+exit
139 90 49 98.4 _bin/cxx-opt+nopool/osh mut+alloc
224 196 28 72.3 _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 1.4 dash -
6 3 3 2.9 bash -
8 4 4 3.3 zsh -
6 3 3 11.3 bumpleak/osh mut
7 7 0 12.3 _bin/cxx-opt+bumproot/osh mut
7 7 0 10.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 9.8 osh-native mut+alloc
9 3 6 10.1 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
12 4 8 11.3 _bin/cxx-opt+nopool/osh mut+alloc
12 4 8 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 24 4 3.0 bash -
24 12 12 3.3 zsh -
19 4 15 31.5 bumpleak/osh mut
25 21 4 31.7 _bin/cxx-opt+bumproot/osh mut
28 24 4 32.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 24 12 26.3 osh-native mut+alloc
38 21 17 26.6 osh-native mut+alloc+free
28 28 0 7.9 osh-native mut+alloc+free+gc
28 28 0 8.0 osh-native mut+alloc+free+gc+exit
54 37 17 35.9 _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
74 65 8 3.1 bash -
167 134 32 54.1 bumpleak/osh mut
179 135 44 55.6 _bin/cxx-opt+bumproot/osh mut
194 154 40 56.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 134 77 47.1 osh-native mut+alloc
217 134 83 48.9 osh-native mut+alloc+free
180 128 52 8.7 osh-native mut+alloc+free+gc
180 128 52 8.8 osh-native mut+alloc+free+gc+exit
229 153 76 63.2 _bin/cxx-opt+nopool/osh mut+alloc
208 140 68 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 3.4 dash -
20 17 3 4.5 bash -
17 10 8 3.4 zsh -
20 17 3 12.1 bumpleak/osh mut
22 14 8 12.8 _bin/cxx-opt+bumproot/osh mut
20 6 15 11.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 15 7 10.9 osh-native mut+alloc
23 16 8 11.0 osh-native mut+alloc+free
23 17 7 8.9 osh-native mut+alloc+free+gc
24 18 6 8.8 osh-native mut+alloc+free+gc+exit
25 14 11 12.5 _bin/cxx-opt+nopool/osh mut+alloc
26 17 9 9.7 _bin/cxx-opt+nopool/osh mut+alloc+free+gc