The simplest way to determine which libraires contribute to your compiled size output.
go build -o godiet && go install
Run godiet from the root folder of your project. It call internally go build.
Total 34 packages
Output size: 2.25 mb
=========================================================
1 runtime 2.84 mb 126.11 %
2 reflect 1.33 mb 58.91 %
3 syscall 694 kb 30.11 %
4 time 460 kb 19.97 %
5 fmt 381 kb 16.51 %
6 os 354 kb 15.34 %
7 strconv 240 kb 10.43 %
8 os/exec 225 kb 9.76 %
9 strings 225 kb 9.75 %
10 unicode 220 kb 9.54 %
11 internal/poll 215 kb 9.34 %
12 math 199 kb 8.64 %
13 bytes 174 kb 7.53 %
14 io 129 kb 5.61 %
15 sync 117 kb 5.10 %
16 path/filepath 116 kb 5.04 %
17 internal/syscall/windows/registry 114 kb 4.96 %
18 internal/syscall/windows 112 kb 4.85 %
19 sort 110 kb 4.75 %
20 context 91 kb 3.95 %
21 io/ioutil 56 kb 2.43 %
22 _/C_/Users/george/source/repos/godiet 34 kb 1.47 %
23 internal/cpu 31 kb 1.35 %
24 unicode/utf8 25 kb 1.09 %
25 math/bits 23 kb 1.00 %
26 sync/atomic 17 kb 0.75 %
27 internal/bytealg 15 kb 0.63 %
28 internal/testlog 13 kb 0.57 %
29 runtime/internal/sys 11 kb 0.47 %
30 runtime/internal/atomic 10 kb 0.42 %
31 unicode/utf16 8 kb 0.34 %
32 internal/syscall/windows/sysdll 5 kb 0.21 %
33 internal/race 4 kb 0.15 %
34 errors 3 kb 0.15 %