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ready mulitthread

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sin365 2025-03-03 11:00:38 +08:00
parent ebb3836359
commit 63ad9ff456
1 changed files with 73 additions and 0 deletions
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73
MAME.Unity/Assets/Plugins/UMAME/emu/Cpuexec.cs
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@ -7,6 +7,7 @@ using cpu.nec;
using cpu.z80;
using System;
using System.IO;
using System.Threading.Tasks;
namespace MAME.Core
{
@ -2346,8 +2347,13 @@ namespace MAME.Core
break;
}
}
public static void cpuexec_timeslice()
{
//cpuexec_timeslice_ForMultiThread();
//return;
Atime target = EmuTimer.lt[0].expire;
Atime tbase = EmuTimer.global_basetime;
int ran;
@ -2401,6 +2407,73 @@ namespace MAME.Core
// Machine.mainMotion.cheatmotion.ApplyCheat();
//}
}
public static void cpuexec_timeslice_ForMultiThread()
{
Atime target = EmuTimer.lt[0].expire;
Atime tbase = EmuTimer.global_basetime;
int ran;
Atime at;
int i, j;
for (icpu = 0; icpu < ncpu; icpu++)
{
cpu[icpu].suspend = cpu[icpu].nextsuspend;
cpu[icpu].eatcycles = cpu[icpu].nexteatcycles;
}
// 创建并启动多个任务
Task[] tasks = new Task[ncpu];
for (icpu = 0; icpu < ncpu; icpu++)
{
int taskId = icpu; // 避免闭包问题
tasks[icpu] = Task.Run(() =>
{
if (cpu[taskId].suspend == 0)
{
at = Attotime.attotime_sub(target, cpu[taskId].localtime);
cpu[taskId].cycles_running = (int)(at.seconds * cpu[taskId].cycles_per_second + at.attoseconds / cpu[taskId].attoseconds_per_cycle);
if (cpu[taskId].cycles_running > 0)
{
cpu[taskId].cycles_stolen = 0;
activecpu = taskId;
ran = cpu[taskId].ExecuteCycles(cpu[taskId].cycles_running);
activecpu = -1;
ran -= cpu[taskId].cycles_stolen;
cpu[taskId].totalcycles += (ulong)ran;
cpu[taskId].localtime = Attotime.attotime_add(cpu[taskId].localtime, new Atime(ran / cpu[taskId].cycles_per_second, ran * cpu[taskId].attoseconds_per_cycle));
if (Attotime.attotime_compare(cpu[taskId].localtime, target) < 0)
{
if (Attotime.attotime_compare(cpu[taskId].localtime, tbase) > 0)
target = cpu[taskId].localtime;
else
target = tbase;
}
}
}
});
}
// 同步等待所有任务完成
Task.WaitAll(tasks);
for (icpu = 0; icpu < ncpu; icpu++)
{
if (cpu[icpu].suspend != 0 && cpu[icpu].eatcycles != 0 && Attotime.attotime_compare(cpu[icpu].localtime, target) < 0)
{
at = Attotime.attotime_sub(target, cpu[icpu].localtime);
cpu[icpu].cycles_running = (int)(at.seconds * cpu[icpu].cycles_per_second + at.attoseconds / cpu[icpu].attoseconds_per_cycle);
cpu[icpu].totalcycles += (ulong)cpu[icpu].cycles_running;
cpu[icpu].localtime = Attotime.attotime_add(cpu[icpu].localtime, new Atime(cpu[icpu].cycles_running / cpu[icpu].cycles_per_second, cpu[icpu].cycles_running * cpu[icpu].attoseconds_per_cycle));
}
cpu[icpu].suspend = cpu[icpu].nextsuspend;
cpu[icpu].eatcycles = cpu[icpu].nexteatcycles;
}
EmuTimer.timer_set_global_time(target);
//if (EmuTimer.global_basetime.attoseconds == 0 && Machine.mainMotion.cheatmotion.lockState == CheatMotion.LockState.LOCK_SECOND)
//{
// Machine.mainMotion.cheatmotion.ApplyCheat();
//}
}
public static void cpu_boost_interleave(Atime timeslice_time, Atime boost_duration)
{
if (Attotime.attotime_compare(timeslice_time, perfect_interleave) < 0)