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 4 10 12.0 17.7 476,684 1,282 6 408,754 5 204,377 osh-native
parse.configure-coreutils 159 27 71 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 30 0 1 2.6 7.7 584,140 31,810 12 50,000 0 2,825 osh-native
ex.bashcomp-parse-help 182 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 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
7 3 3 1.6 dash -
24 23 0 3.1 bash -
105 51 61 3.4 zsh -
16 10 6 28.3 bumpleak/osh mut
20 20 0 29.5 _bin/cxx-opt+bumproot/osh mut
22 22 0 30.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 25 4 25.0 osh-native mut+alloc
32 12 20 25.4 osh-native mut+alloc+free
37 25 12 17.7 osh-native mut+alloc+free+gc
38 26 11 17.8 osh-native mut+alloc+free+gc+exit
43 35 8 32.0 _bin/cxx-opt+nopool/osh mut+alloc
51 39 12 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 74 4 3.1 bash -
376 227 171 3.7 zsh -
49 41 7 85.6 bumpleak/osh mut
62 39 23 85.4 _bin/cxx-opt+bumproot/osh mut
71 62 8 86.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 69 29 73.3 osh-native mut+alloc
107 63 43 75.1 osh-native mut+alloc+free
159 135 24 51.6 osh-native mut+alloc+free+gc
160 128 32 52.2 osh-native mut+alloc+free+gc+exit
141 76 64 98.8 _bin/cxx-opt+nopool/osh mut+alloc
224 208 16 72.6 _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 0 2 1.4 dash -
6 6 0 3.0 bash -
8 0 8 3.4 zsh -
6 6 0 12.1 bumpleak/osh mut
7 0 7 12.3 _bin/cxx-opt+bumproot/osh mut
8 4 4 11.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 0 9 9.8 osh-native mut+alloc
9 9 0 10.0 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 6 3 8.5 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 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 29 0 3.0 bash -
24 16 8 3.3 zsh -
19 15 4 31.0 bumpleak/osh mut
25 17 8 33.2 _bin/cxx-opt+bumproot/osh mut
28 16 12 31.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 20 16 26.5 osh-native mut+alloc
38 30 8 26.9 osh-native mut+alloc+free
30 30 0 7.7 osh-native mut+alloc+free+gc
28 28 0 8.0 osh-native mut+alloc+free+gc+exit
54 35 19 36.5 _bin/cxx-opt+nopool/osh mut+alloc
37 29 7 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 57 16 3.0 bash -
168 135 33 54.5 bumpleak/osh mut
181 120 60 55.5 _bin/cxx-opt+bumproot/osh mut
197 132 64 56.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 162 49 46.9 osh-native mut+alloc
220 144 76 48.9 osh-native mut+alloc+free
182 133 49 8.7 osh-native mut+alloc+free+gc
180 140 40 8.8 osh-native mut+alloc+free+gc+exit
231 131 99 63.8 _bin/cxx-opt+nopool/osh mut+alloc
206 115 91 9.9 _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 3.4 dash -
20 18 3 4.5 bash -
18 12 7 3.5 zsh -
20 19 2 12.5 bumpleak/osh mut
21 16 6 12.8 _bin/cxx-opt+bumproot/osh mut
21 14 8 13.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 15 8 10.9 osh-native mut+alloc
23 14 10 11.1 osh-native mut+alloc+free
23 22 1 9.0 osh-native mut+alloc+free+gc
24 17 8 8.9 osh-native mut+alloc+free+gc+exit
25 17 8 12.5 _bin/cxx-opt+nopool/osh mut+alloc
26 19 8 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc