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 3 10 12.0 17.6 476,690 1,282 6 408,758 5 204,379 osh-native
parse.configure-coreutils 153 25 66 46.1 51.7 1,653,278 4,764 12 1,069,124 6 798,643 osh-native
parse.abuild 9 1 2 2.6 8.5 101,881 180 2 75,100 1 37,550 osh-native
ex.compute-fib 28 0 2 2.4 7.9 584,146 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 181 0 4 10.3 8.7 995,223 27,376 21 50,000 0 3,822 osh-native
ex.abuild-print-help 22 1 2 2.8 8.8 116,290 478 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
6 6 0 1.4 dash -
23 23 0 3.0 bash -
104 57 54 3.3 zsh -
16 16 0 29.3 bumpleak/osh mut
19 19 0 29.8 _bin/cxx-opt+bumproot/osh mut
22 22 0 30.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 12 17 25.2 osh-native mut+alloc
31 23 8 25.4 osh-native mut+alloc+free
36 36 0 17.6 osh-native mut+alloc+free+gc
37 32 4 18.0 osh-native mut+alloc+free+gc+exit
43 31 12 31.9 _bin/cxx-opt+nopool/osh mut+alloc
48 35 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
21 21 0 1.4 dash -
78 74 4 3.1 bash -
376 208 191 3.5 zsh -
50 42 8 85.0 bumpleak/osh mut
59 46 13 86.0 _bin/cxx-opt+bumproot/osh mut
70 45 24 86.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 64 32 73.3 osh-native mut+alloc
105 65 40 75.3 osh-native mut+alloc+free
153 104 48 51.7 osh-native mut+alloc+free+gc
154 133 20 50.6 osh-native mut+alloc+free+gc+exit
141 101 40 98.9 _bin/cxx-opt+nopool/osh mut+alloc
208 192 16 71.3 _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 3.4 zsh -
6 6 0 12.3 bumpleak/osh mut
6 3 3 10.8 _bin/cxx-opt+bumproot/osh mut
7 4 4 11.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.1 osh-native mut+alloc
9 4 4 9.8 osh-native mut+alloc+free
9 6 3 8.5 osh-native mut+alloc+free+gc
9 9 0 8.7 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 6 6 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 1.6 dash -
28 28 0 2.9 bash -
24 23 0 3.4 zsh -
19 15 4 31.8 bumpleak/osh mut
25 22 4 32.5 _bin/cxx-opt+bumproot/osh mut
27 19 8 32.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 28 8 26.2 osh-native mut+alloc
38 34 4 26.5 osh-native mut+alloc+free
28 28 0 7.9 osh-native mut+alloc+free+gc
28 24 4 7.9 osh-native mut+alloc+free+gc+exit
54 33 21 35.8 _bin/cxx-opt+nopool/osh mut+alloc
37 33 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 73 0 3.0 bash -
169 101 68 54.5 bumpleak/osh mut
181 128 52 55.7 _bin/cxx-opt+bumproot/osh mut
195 124 72 56.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 123 87 47.1 osh-native mut+alloc
219 170 49 48.7 osh-native mut+alloc+free
181 144 36 8.7 osh-native mut+alloc+free+gc
182 125 56 8.8 osh-native mut+alloc+free+gc+exit
232 172 60 64.2 _bin/cxx-opt+nopool/osh mut+alloc
211 158 53 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 5 5 3.4 dash -
20 14 6 4.2 bash -
18 14 5 3.4 zsh -
20 11 9 12.8 bumpleak/osh mut
20 17 4 12.7 _bin/cxx-opt+bumproot/osh mut
20 11 10 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 16 5 10.9 osh-native mut+alloc
22 14 8 11.0 osh-native mut+alloc+free
22 16 7 8.8 osh-native mut+alloc+free+gc
22 11 12 8.9 osh-native mut+alloc+free+gc+exit
24 11 14 12.7 _bin/cxx-opt+nopool/osh mut+alloc
24 17 8 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc