2020-02-14 15:38:00 -05:00

140 lines
4.5 KiB
Lua

--[[
MIT License
Copyright (c) 2020 Ryan Ward
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sub-license, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
]]
local multi, thread = require("multi"):init()
local GLOBAL, THREAD = multi.integration.GLOBAL,multi.integration.THREAD
function multi:newSystemThreadedQueue(name)
local c = {}
c.linda = lanes.linda()
function c:push(v)
self.linda:send("Q", v)
end
function c:pop()
return ({self.linda:receive(0, "Q")})[2]
end
function c:peek()
return self.linda:get("Q")
end
function c:init()
return self
end
GLOBAL[name or "_"] = c
return c
end
function multi:newSystemThreadedTable(name)
local c = {}
c.link = lanes.linda()
setmetatable(c,{
__index = function(t,k)
return c.link:get(k)
end,
__newindex = function(t,k,v)
c.link:set(k,v)
end
})
function c:init()
return self
end
GLOBAL[name or "_"] = c
return c
end
function multi:newSystemThreadedJobQueue(n)
local c = {}
c.cores = n or THREAD.getCores()*2
c.OnJobCompleted = multi:newConnection()
local funcs = multi:newSystemThreadedTable()
local queueJob = multi:newSystemThreadedQueue()
local queueReturn = multi:newSystemThreadedQueue()
local doAll = multi:newSystemThreadedQueue()
local ID=1
local jid = 1
function c:doToAll(func)
for i=1,c.cores do
doAll:push{ID,func}
end
ID = ID + 1
end
function c:registerFunction(name,func)
funcs[name]=func
end
function c:pushJob(name,...)
queueJob:push{name,jid,{...}}
jid = jid + 1
return jid-1
end
multi:newThread("JobQueueManager",function()
while true do
local job = thread.hold(function()
return queueReturn:pop()
end)
local id = table.remove(job,1)
c.OnJobCompleted:Fire(id,unpack(job))
end
end)
for i=1,c.cores do
multi:newSystemThread("SystemThreadedJobQueue",function(queue)
local multi,thread = require("multi"):init()
local idle = os.clock()
local clock = os.clock
local ref = 0
setmetatable(_G,{__index = funcs})
multi:newThread("JobHandler",function()
while true do
local dat = thread.hold(function()
return queueJob:pop()
end)
idle = clock()
local name = table.remove(dat,1)
local jid = table.remove(dat,1)
local args = table.remove(dat,1)
queueReturn:push{jid, funcs[name](unpack(args)),queue}
end
end)
multi:newThread("DoAllHandler",function()
while true do
local dat = thread.hold(function()
return doAll:peek()
end)
if dat then
if dat[1]>ref then
idle = clock()
ref = dat[1]
dat[2]()
doAll:pop()
end
end
end
end)
multi:newThread("IdleHandler",function()
while true do
thread.hold(function()
return clock()-idle>3
end)
THREAD.sleep(.01)
end
end)
multi:mainloop()
end,i).priority = thread.Priority_Core
end
return c
end