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gc

Posted by 夏泽民 Apr 20, 2019

go在程序启动时会分配一块虚拟内存地址是连续的内存, 结构如下: spans 512M bitmap 16G arena 512G 这一块内存分为了3个区域, 在X64上大小分别是512M, 16G和512G, 它们的作用如下:

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channel

Posted by 夏泽民 Apr 20, 2019

https://golang.org/ref/mem 一，初始化过程在这之前，先看下asm_arm64.s中的汇编代码关于启动这块的逻辑 CALL runtime·args(SB) CALL runtime·osinit(SB) CALL runtime·hashinit(SB) CALL runtime·schedinit(SB)

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lldb

Posted by 夏泽民 Apr 18, 2019

xcode里有内置的Debugger，老版使用的是GDB，xcode自4.3之后默认使用的就是LLDB了。

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goroutine实现原理

Posted by 夏泽民 Apr 18, 2019

G (goroutine) G是goroutine的头文字, goroutine可以解释为受管理的轻量线程, goroutine使用go关键词创建.

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go Vet

Posted by 夏泽民 Apr 18, 2019

go vet是一个用于检查Go语言源码中静态错误的简单工具，消灭go vet扫描出的静态错误，有利于提高代码质量和养成良好的编码习惯，常见go vet错误总结如下：

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