Memory Management Overhead

Source code: oils/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 33 4 10 12.0 18.2 471,275 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 34 4 10 12.0 18.6 471,275 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 136 24 63 45.9 51.9 1,638,014 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 143 24 61 45.9 52.4 1,638,013 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 9 1 2 2.6 8.7 102,803 180 3 86,646 1 43,323 osh-native
parse.abuild 10 1 2 2.6 9.2 102,803 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.3 572,127 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 2 2.8 8.7 572,127 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 222 0 4 11.6 9.0 990,273 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 226 0 4 11.6 9.6 990,272 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.6 117,234 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 21 1 2 3.0 10.0 117,233 277 3 84,016 1 42,008 osh-nosouffle

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
7 6 1 1.7 dash -
13 12 1 3.4 bash -
89 53 43 3.5 zsh -
15 10 5 29.6 bumpleak/osh mut
16 11 6 28.7 _bin/cxx-opt+bumproot/osh mut
19 12 7 30.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 17 9 25.4 osh-native mut+alloc
28 17 11 25.8 osh-native mut+alloc+free
33 25 8 18.2 osh-native mut+alloc+free+gc
33 24 10 18.2 osh-native mut+alloc+free+gc+exit
28 20 8 26.0 osh-nosouffle mut+alloc
30 17 13 26.3 osh-nosouffle mut+alloc+free
34 29 5 18.6 osh-nosouffle mut+alloc+free+gc
36 27 9 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 26 13 32.0 _bin/cxx-opt+nopool/osh mut+alloc
45 35 10 22.7 _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
23 21 2 1.7 dash -
42 40 2 3.4 bash -
326 187 161 3.8 zsh -
45 36 9 85.8 bumpleak/osh mut
49 39 10 84.9 _bin/cxx-opt+bumproot/osh mut
59 46 13 86.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 50 33 73.5 osh-native mut+alloc
91 61 30 75.5 osh-native mut+alloc+free
136 112 24 51.9 osh-native mut+alloc+free+gc
141 118 23 52.3 osh-native mut+alloc+free+gc+exit
92 58 34 74.2 osh-nosouffle mut+alloc
100 71 28 75.8 osh-nosouffle mut+alloc+free
143 118 25 52.4 osh-nosouffle mut+alloc+free+gc
150 126 24 52.9 osh-nosouffle mut+alloc+free+gc+exit
124 87 37 98.4 _bin/cxx-opt+nopool/osh mut+alloc
195 151 43 73.7 _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 1 1 1.7 dash -
4 2 1 3.3 bash -
6 2 4 3.3 zsh -
6 2 4 11.1 bumpleak/osh mut
6 4 2 13.2 _bin/cxx-opt+bumproot/osh mut
7 4 3 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.5 osh-native mut+alloc
8 5 4 10.6 osh-native mut+alloc+free
9 7 2 8.7 osh-native mut+alloc+free+gc
9 5 5 9.0 osh-native mut+alloc+free+gc+exit
8 3 5 11.0 osh-nosouffle mut+alloc
9 4 5 11.1 osh-nosouffle mut+alloc+free
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc
10 8 2 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 3 8 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 7 5 9.4 _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
9 9 1 1.4 dash -
31 29 2 3.3 bash -
21 19 2 3.4 zsh -
17 12 5 32.9 bumpleak/osh mut
19 15 4 32.0 _bin/cxx-opt+bumproot/osh mut
22 17 5 33.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 16 12 26.7 osh-native mut+alloc
31 22 9 27.1 osh-native mut+alloc+free
20 19 1 8.3 osh-native mut+alloc+free+gc
20 17 3 8.1 osh-native mut+alloc+free+gc+exit
33 24 9 27.4 osh-nosouffle mut+alloc
35 24 11 27.4 osh-nosouffle mut+alloc+free
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc
24 22 2 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 27 18 36.9 _bin/cxx-opt+nopool/osh mut+alloc
30 27 3 9.8 _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
104 98 6 3.4 bash -
213 159 54 56.6 bumpleak/osh mut
221 168 53 58.0 _bin/cxx-opt+bumproot/osh mut
238 177 61 58.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
254 194 60 48.8 osh-native mut+alloc
264 197 67 50.9 osh-native mut+alloc+free
222 178 44 9.0 osh-native mut+alloc+free+gc
222 170 52 9.0 osh-native mut+alloc+free+gc+exit
261 195 67 49.2 osh-nosouffle mut+alloc
269 195 74 51.1 osh-nosouffle mut+alloc+free
226 176 50 9.6 osh-nosouffle mut+alloc+free+gc
228 170 57 9.7 osh-nosouffle mut+alloc+free+gc+exit
277 193 84 64.8 _bin/cxx-opt+nopool/osh mut+alloc
250 212 38 10.7 _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
9 4 5 4.1 dash -
16 9 7 5.0 bash -
15 3 12 3.9 zsh -
17 9 9 12.7 bumpleak/osh mut
18 11 8 12.9 _bin/cxx-opt+bumproot/osh mut
20 7 13 13.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 12 8 11.5 osh-native mut+alloc
20 10 10 11.7 osh-native mut+alloc+free
20 12 9 9.6 osh-native mut+alloc+free+gc
21 11 11 9.7 osh-native mut+alloc+free+gc+exit
20 11 10 12.2 osh-nosouffle mut+alloc
21 9 13 12.2 osh-nosouffle mut+alloc+free
21 9 13 10.0 osh-nosouffle mut+alloc+free+gc
22 14 8 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 14 9 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 11 13 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc