• 1. 背景. 是的,2018年以前,我们的服务器是32位程序,超过4GB内存会挂。 这其中很大一部分原因是luajit 2.1版本前内存受限(原因见链接),一个vm只支持不超过2GB的内存(看下面的图里的编译选项,MAP_32BIT 只能1G,开了LJ_ALLOC_MMAP_PROBE能到2G, GC64往下看。
  • "A SCIENTIFIC COMPUTING FRAMEWORK FOR LUAJIT» overview of interesting things . local p for -1, { x end do ... gc64 obj 47 bits tag (4 bits) kinda works AArch64: 52 ...
  • since 2016, the official LuaJIT[1] has introduced a new build mode called "GC64", which raises this limit to 128 TB (or the low 47-bit address space). Effectively, this translates to no limit for almost all the PCs and servers in the market nowadays. Over the two years, the GC64 mode has matured enough and starting from the OpenResty 1.15.8.1 release,
  • Actually, even without GC64, LuaJIT still works fine for me on Catalina, as long as the following option is still in the Makefile. TARGET_XLDFLAGS+= -pagezero_size 10000 -image_base 100000000 TARGET_XSHLDFLAGS+= -image_base 7fff04c4a000 If the linker option is removed, you must enable GC64.
  • 3.luajit在没有开启GC64宏的情况下,不能使用超过1G的内存空间 随着现在游戏越来越大,对内存的消耗也越来越高。 但是luajit有一个坑也是很多人并不知道的,就是luajit的gc不支持使用1G以上的内存空间。
  • Enforce 128TBLJ_GC64 limit for > 47 bit memory layouts (ARM64). upgraded ngx_srcache to 0.31. bugfix: this module should not depend on builtin modules like ngx_http_ssi and ngx_http_addition to pull in the ngx_http_postpone module to function properly. thanks Dejiang Zhu for the original patch.
IRC LOG for channel #minetest. Time Nick Message; 00:00: paramat: yes: 00:00: entuland: oh meaning I should recompile minetest? no thanks, don't have time for that, I'll simply live with errors and relaunch the server then :)
since 2016, the official LuaJIT[1] has introduced a new build mode called "GC64", which raises this limit to 128 TB (or the low 47-bit address space). Effectively, this translates to no limit for almost all the PCs and servers in the market nowadays. Over the two years, the GC64 mode has matured enough and starting from the OpenResty 1.15.8.1 release,
LuaJIT GC64 mode for x86_64 architectures, raising the LuaJIT GC-managed memory limit from 2GB to 128TB and producing more predictable GC performance. From this version on, the new lua-kong-nginx-module Nginx module is required to be built into OpenResty for Kong to function properly. This new module allows Kong to support new features such as ... LuaJIT 支援交叉編譯,即可以在電腦上編譯出 iOS 或 Android 手機上系統需要的位元組碼。如此,我們只需要編譯一次 32 和 64 位的 LuaJIT 直譯器各一個,備份存檔,後續可直接使用。 編譯 LuaJIT 直譯器,直接用官方的推薦指令即可。
To: luajit <[email protected]> Date: Sun, 27 Dec 2015 13:09:42 +0300; 2015-12-24 16:09 GMT+03:00 Александр Киранов <[email protected]>: Just to be clear, does -DLUAJIT_ENABLE_GC64 will solve the 1GB issue on Linux x64 when will be fully implemented? AFAIK LuaJIT will be able to address 47 (or 48?) bits of address space
But we wish we could make the implementation closer to the PUC-Rio implementation. Q: Why not LuaJIT 2.1 + LJ_GC64? A: As far as I know, this solution got stabilized by 2016-2017. Alas, we needed something working earlier. Besides, some experiments we ran in 2015 with LuaJIT 2.1 showed performance degradation for our cases. cd LuaJIT-2.1.0-beta3/src msvcbuild.bat. This will generate a luajit.exe which is a program that can generate 32-bit bytecode files. Open a vs x64 console window and execute the following command. cd LuaJIT-2.1.0-beta3/src msvcbuild.bat gc64 Add the parameter gc64 so that you can generate 64-bit bytecode luajit.exe 4.
@@ -1,31 +0,0 @@ - commit 31afda31814ec02f82ffb0519bee496c87eeaa89 - Merge: 8271c64 1c89933 - Author: Mike Pall <mike> - Date: Tue May 9 21:01:23 2017 +0200 - - Merge ... //-----2017-07-05----- (1)重新编译luajit二进制文件到最新版本。 (2)替换Lua代码中Unity5.6.x废弃FindChild到Find函数。 (3)support ipv6 only.

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