27 lines
662 B
Go
27 lines
662 B
Go
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package main
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import (
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"fmt"
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"unsafe"
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)
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// For memory blocks larger than 32768 bytes,
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// each of them is always composed of multiple
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// memory pages. The memory page size used by the
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// official standard Go runtime (1.22 versions) is 8192 bytes.
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func main() {
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var data1 [32769]byte
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var data2 [32769]byte
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data1Pointer := unsafe.Pointer(&data1)
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data2Pointer := unsafe.Pointer(&data2)
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fmt.Println("adress:", data1Pointer, data2Pointer)
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fmt.Println("size:", unsafe.Sizeof(data1), unsafe.Sizeof(data2))
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distance := uintptr(data2Pointer) - uintptr(data1Pointer)
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fmt.Println("distance:", distance)
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fmt.Println("waste:", distance-unsafe.Sizeof(data1))
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}
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