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 18.0 476,690 1,282 6 408,758 5 204,379 osh-native
parse.configure-coreutils 152 24 64 46.1 51.6 1,653,278 4,764 12 1,069,124 6 798,643 osh-native
parse.abuild 9 1 1 2.6 8.5 101,881 180 2 75,100 1 37,550 osh-native
ex.compute-fib 28 0 1 2.4 7.9 584,146 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 181 0 3 10.3 8.5 995,223 27,376 21 50,000 0 3,822 osh-native
ex.abuild-print-help 22 1 2 2.8 8.9 116,290 478 3 85,336 1 42,668 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
7 7 0 1.6 dash -
23 19 4 3.1 bash -
105 63 49 3.4 zsh -
16 16 0 29.2 bumpleak/osh mut
19 15 4 29.9 _bin/cxx-opt+bumproot/osh mut
22 18 4 30.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 21 8 25.2 osh-native mut+alloc
31 19 12 25.4 osh-native mut+alloc+free
36 35 0 18.0 osh-native mut+alloc+free+gc
36 28 8 17.8 osh-native mut+alloc+free+gc+exit
43 23 19 32.2 _bin/cxx-opt+nopool/osh mut+alloc
48 40 8 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 1.6 dash -
78 73 4 3.3 bash -
374 195 201 3.5 zsh -
49 41 7 85.8 bumpleak/osh mut
59 55 4 84.8 _bin/cxx-opt+bumproot/osh mut
72 59 12 85.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 52 44 73.4 osh-native mut+alloc
105 73 32 75.3 osh-native mut+alloc+free
152 123 28 51.6 osh-native mut+alloc+free+gc
153 133 20 50.7 osh-native mut+alloc+free+gc+exit
137 78 59 98.4 _bin/cxx-opt+nopool/osh mut+alloc
215 174 41 71.6 _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 1.3 dash -
6 6 0 3.0 bash -
8 4 4 3.3 zsh -
6 6 0 11.5 bumpleak/osh mut
6 6 0 12.6 _bin/cxx-opt+bumproot/osh mut
8 8 0 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.0 osh-native mut+alloc
8 8 0 10.1 osh-native mut+alloc+free
9 4 4 8.5 osh-native mut+alloc+free+gc
9 6 3 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 -
28 28 0 3.0 bash -
24 24 0 3.4 zsh -
19 19 0 31.9 bumpleak/osh mut
26 22 4 33.3 _bin/cxx-opt+bumproot/osh mut
28 20 8 32.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 28 8 26.3 osh-native mut+alloc
39 34 4 26.6 osh-native mut+alloc+free
28 28 0 7.9 osh-native mut+alloc+free+gc
29 21 7 8.0 osh-native mut+alloc+free+gc+exit
54 46 8 35.9 _bin/cxx-opt+nopool/osh mut+alloc
38 34 4 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
74 70 4 3.0 bash -
168 100 68 55.3 bumpleak/osh mut
180 102 78 55.9 _bin/cxx-opt+bumproot/osh mut
193 120 72 55.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 127 83 47.0 osh-native mut+alloc
217 148 68 48.8 osh-native mut+alloc+free
181 102 78 8.5 osh-native mut+alloc+free+gc
182 118 63 8.8 osh-native mut+alloc+free+gc+exit
230 182 48 62.9 _bin/cxx-opt+nopool/osh mut+alloc
211 142 69 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 -
19 15 5 4.3 bash -
18 5 13 3.4 zsh -
19 7 12 12.4 bumpleak/osh mut
20 13 7 12.4 _bin/cxx-opt+bumproot/osh mut
21 20 2 13.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 15 6 11.0 osh-native mut+alloc
22 14 8 11.0 osh-native mut+alloc+free
22 17 5 8.9 osh-native mut+alloc+free+gc
22 20 3 9.0 osh-native mut+alloc+free+gc+exit
24 21 4 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 20 5 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc