diff --git a/BizHawk.Emulation.Cores/CPUs/MOS 6502X/Execute.cs b/BizHawk.Emulation.Cores/CPUs/MOS 6502X/Execute.cs
index c2b2dfe528..0b545341be 100644
--- a/BizHawk.Emulation.Cores/CPUs/MOS 6502X/Execute.cs	
+++ b/BizHawk.Emulation.Cores/CPUs/MOS 6502X/Execute.cs	
@@ -1,6 +1,7 @@
 //http://nesdev.parodius.com/6502_cpu.txt
 
 using System;
+using System.Runtime.CompilerServices;
 using BizHawk.Common.NumberExtensions;
 using BizHawk.Emulation.Common;
 
@@ -2708,6 +2709,7 @@ namespace BizHawk.Emulation.Cores.Components.M6502
 			rdy_freeze = true;
 		}
 
+		[MethodImpl(MethodImplOptions.AggressiveInlining)]
 		void ExecuteOneRetry()
 		{
 			//don't know whether this system is any faster. hard to get benchmarks someone else try it?
@@ -2965,6 +2967,7 @@ namespace BizHawk.Emulation.Cores.Components.M6502
 			}
 		}
 
+		[MethodImpl(MethodImplOptions.AggressiveInlining)]
 		public void ExecuteOne()
 		{
 			// total cycles now increments every time a cycle is called to accurately count during RDY
@@ -2977,7 +2980,7 @@ namespace BizHawk.Emulation.Cores.Components.M6502
 
 			if (!rdy_freeze)
 				mi++;
-		} //ExecuteOne
+		}
 
 		public bool AtInstructionStart()
 		{
diff --git a/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/APU.cs b/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/APU.cs
index ab7a45787a..4f2fcf2dac 100644
--- a/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/APU.cs
+++ b/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/APU.cs
@@ -11,6 +11,7 @@
 // TODO - refactor length counter to be separate component
 
 using System;
+using System.Runtime.CompilerServices;
 using BizHawk.Common;
 using BizHawk.Common.NumberExtensions;
 
@@ -258,6 +259,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
 				}
 			}
 
+			[MethodImpl(MethodImplOptions.AggressiveInlining)]
 			public void Run()
 			{
 				if (env_constant == 1)
@@ -458,6 +460,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
 					len_cnt--;
 			}
 
+			[MethodImpl(MethodImplOptions.AggressiveInlining)]
 			public void Run()
 			{
 				if (env_constant == 1)
@@ -584,6 +587,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
 
 			public int Debug_PeriodValue => timer_cnt;
 
+			[MethodImpl(MethodImplOptions.AggressiveInlining)]
 			public void Run()
 			{
 				// when clocked by timer, seq steps forward
@@ -705,6 +709,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
 				ser.EndSection();
 			}
 
+			[MethodImpl(MethodImplOptions.AggressiveInlining)]
 			public void Run()
 			{
 				if (timer > 0) timer--;
@@ -1215,6 +1220,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
 
 		int pending_length_change;
 
+		[MethodImpl(MethodImplOptions.AggressiveInlining)]
 		public void RunOneFirst()
 		{
 
diff --git a/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/PPU.regs.cs b/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/PPU.regs.cs
index 20ec85a9a0..dc70bb86ad 100644
--- a/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/PPU.regs.cs
+++ b/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/PPU.regs.cs
@@ -7,6 +7,7 @@
 //};
 
 using System;
+using System.Runtime.CompilerServices;
 using BizHawk.Common;
 
 namespace BizHawk.Emulation.Cores.Nintendo.NES
@@ -184,11 +185,13 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
 				v &= 1;
 			}
 
+			[MethodImpl(MethodImplOptions.AggressiveInlining)]
 			public int get_ntread()
 			{
 				return 0x2000 | (v << 0xB) | (h << 0xA) | (vt << 5) | ht;
 			}
 
+			[MethodImpl(MethodImplOptions.AggressiveInlining)]
 			public int get_2007access()
 			{
 				return ((fv & 3) << 0xC) | (v << 0xB) | (h << 0xA) | (vt << 5) | ht;
@@ -200,6 +203,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
 			//are used in the diagram to represent the right-shift position amount to
 			//apply to the data read from the attribute data (a is always 0). This is why
 			//you only see bits 0 and 1 used off the read attribute data in the diagram.
+			[MethodImpl(MethodImplOptions.AggressiveInlining)]
 			public int get_atread()
 			{
 				return 0x2000 | (v << 0xB) | (h << 0xA) | 0x3C0 | ((vt & 0x1C) << 1) | ((ht & 0x1C) >> 2);
diff --git a/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/PPU.run.cs b/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/PPU.run.cs
index 0a0c8c07d6..4e9a3a988e 100644
--- a/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/PPU.run.cs
+++ b/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/PPU.run.cs
@@ -2,6 +2,7 @@
 
 using BizHawk.Common;
 using BizHawk.Common.NumberExtensions;
+using System.Runtime.CompilerServices;
 
 namespace BizHawk.Emulation.Cores.Nintendo.NES
 {
@@ -78,12 +79,14 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
 		}
 
 		//address line 3 relates to the pattern table fetch occuring (the PPU always makes them in pairs).
+		[MethodImpl(MethodImplOptions.AggressiveInlining)]
 		private int get_ptread(int par)
 		{
 			int hi = reg_2000.bg_pattern_hi;
 			return (hi << 0xC) | (par << 0x4) | ppur.fv;
 		}
 
+		[MethodImpl(MethodImplOptions.AggressiveInlining)]
 		void Read_bgdata(int cycle, int i)
 		{
 			switch (cycle)