# 编译到Native的语言HelloWorld二进制大小

| language | size    | size (desc) | flags                                                        |
| -------- | ------- | ----------- | ------------------------------------------------------------ |
| cpp/c++  | 10,752  | 10.5 KB     |                                                              |
| nim      | 140,008 | 136 KB      | nim cpp -d:release --opt:size --out=hello_nim_cpp.exe hello.nim |
| nim      | 185,955 | 181 KB      | nim c -d:release --opt:size --out=hello_nim_c.exe hello.nim  |
| d        | 507,392 | 495 KB      | dmd -O -release hello.d -of=hello_d_dmd.exe                  |
| d        | 462,848 | 452 KB      | ldc2 -O -release hello.d -of=hello_d_ldc_static.exe          |
| d        | 10,752  | 10.5 KB     | ldc2 -O -release -link-defaultlib-shared hello.d  -of=hello_d_ldc_dyn.exe |
| odin     | 247,808 | 242 KB      | odin build hello.odin -file -out:hello_odin.exe -o:size      |
| go       | 863,744 | 843 KB      | go build -o hello_go.exe -ldflags="-s -w" hello.go           |
| rust     | 152,064 | 148 KB      | cargo build --release                                        |


## go

### code

```go
package main
func main() {
    // 注意，这里没有使用 fmt.Println可以减少文件大小
    print("Hello, World!\n")
}
```

### compile cmd

编译命令

```bash
go build -o hello_go.exe -ldflags="-s -w" hello.go
```



- "-s -w"的解释

  - https://pkg.go.dev/cmd/link

  - ```bash
    go build -ldflags="-help" hello.go
    ```

### result

hello_go.exe	843 KB (863,744 字节)



## cpp/c++

### code

````c++
#include <cstdio>

int main()
{
	printf("Hello World!");
}
````

### compile cmd

msvc

```bash
cl /c /Zi /W3 /WX- /diagnostics:column /sdl /O2 /Oi /GL /D NDEBUG /D _CONSOLE /D _UNICODE /D UNICODE /Gm- /EHsc /MD /GS /Gy /fp:precise /Zc:wchar_t /Zc:forScope /Zc:inline /permissive- /Fo"x64\Release\\" /Fd"x64\Release\vc143.pdb" /external:W3 /Gd /TP /showIncludes /FC /errorReport:prompt hello.cpp
```

```bash
link.exe /ERRORREPORT:PROMPT /OUT:"x64\Release\hello.exe" kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /MANIFEST /MANIFESTUAC:"level='asInvoker' uiAccess='false'" /manifest:embed /DEBUG /PDB:"x64\Release\hello.pdb" /SUBSYSTEM:CONSOLE /OPT:REF /OPT:ICF /LTCG:incremental /LTCGOUT:"x64\Release\hello.iobj" /TLBID:1 /DYNAMICBASE /NXCOMPAT /IMPLIB:"x64\Release\hello.lib" /MACHINE:X64 x64\Release\hello.obj
```

### result

10.5 KB (10,752 字节)

## nim

### code

```nim
echo "Hello World!"
```



### compile cmd

```
nim c -d:release --opt:size --out=hello_nim_c.exe hello.nim
```

```
nim cpp -d:release --opt:size --out=hello_nim_cpp.exe hello.nim
```



### result

- hello_nim_c.exe
  - 181 KB (185,955 字节)
- hello_nim_cpp.exe
  - 136 KB (140,008 字节)

## Odin

### code

````go
package main

import "core:fmt"

main :: proc() {
    fmt.println("Hello, World!")
}

````

### compile cmd

`odin build hello.odin -file -out:hello_odin.exe -o:size`

### result

242 KB (247,808 字节)

## Rust

### code

```rust
fn main() {
    println!("Hello, world!");
}
```

### compile cmd

```
cargo build --release
```

### result

148 KB (152,064 字节)

## D

### code

```D
import std.stdio;

void main() {
    puts("Hello, World!");
}
```

### compile cmd

````
dmd -O -release hello.d -of=hello_d_dmd.exe
ldc2 -O -release hello.d -of=hello_d_ldc_static.exe
ldc2 -O -release -link-defaultlib-shared hello.d -of=hello_d_ldc_dyn.exe
````

### result

- hello_d_dmd.exe
  - 495 KB (507,392 字节)
- hello_d_ldc_static.exe
  - 452 KB (462,848 字节)
- hello_d_ldc_dyn.exe
  - 10.5 KB (10,752 字节)