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Question about Intel HTT

post #1 of 5
Thread Starter 
I always wondered. If "windows" thinks there is a extra core & makes the applcation use 50% from 1 phyical core and 1 logical core. Wouldn't this result in poor performance because the applcation is only really get 50% of phyical speed of the processor?
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Gaming PC
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HTC 10
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Good Price/Performance for gaming
Intel Core i5-4690K OEM Quad Core Processor (3.50GHz-3.90GHz)
CPUMotherboardGraphicsRAM
i5 4690K (Delidded) MSI Z97 MPOWER AC MAX EVGA 980 Ti Hybrid  CMY16GX3M2A2400C11R @ 2800Mhz 
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post #2 of 5
I used a few with hyper threading and it makes it feel faster.
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post #3 of 5
Thread Starter 
Quote:
Originally Posted by Bal3Wolf View Post
I used a few with hyper threading and it makes it feel faster.
well from what wiki told me. HTT allows the phycial core to do more during A cache miss (for a exmaple). So while that cache miss happens the phycial core can do other work. Increasing the overall performance.

however, it says in Wiki that

Quote:
consider an SMP system with two physical processors that are both Hyper-Threaded (for a total of four logical processors). If the operating system's process scheduler is unaware of Hyper-Threading, it would treat all four processors the same. As a result, if only two processes are eligible to run, it might choose to schedule those processes on the two logical processors that happen to belong to one of the physical processors. Thus, one CPU would be extremely busy while the other CPU would be completely idle, leading to poor overall performance. This problem can be avoided by improving the scheduler to treat logical processors differently from physical processors
Does XP know that pentium 4 Second core is really a logical core?
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Intel Core i5-4690K OEM Quad Core Processor (3.50GHz-3.90GHz)
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HTC 10
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Good Price/Performance for gaming
Intel Core i5-4690K OEM Quad Core Processor (3.50GHz-3.90GHz)
CPUMotherboardGraphicsRAM
i5 4690K (Delidded) MSI Z97 MPOWER AC MAX EVGA 980 Ti Hybrid  CMY16GX3M2A2400C11R @ 2800Mhz 
RAMHard DriveHard DriveHard Drive
CMY16GX3M2A2400C11R @ 2800Mhz A-DATA Cheapo SSD 2x ST2000DM001-1ER164 ASMedia® ASM1061 (External) 
CoolingOSMonitorMonitor
swiftech h320 Stripped Win 10 x64 15063 *M* SAMSUNG LS24F350 *S* LG 22MP48HQ 
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post #4 of 5
I don't thk so xp thinks you have 2 cpus.
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X5675@4400 1.344 ASUS P6X58D-E XfX RX480 RS F3-12800CL7T-6GBPI 6-7-6-21 1T 
RAMHard DriveHard DriveHard Drive
F3-12800CL9S-4GBRL WDC WD1001FALS-00J7B1 ST31000340AS WDC WD7500AAKS-00RBA0 
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SABERWOLF
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XEON-WOLF
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CPUMotherboardGraphicsRAM
Intel Core i7-6800K MSI X99A GAMING PRO CARBON EVGA GTX 1080 FTW Hydro Copper G.SKILL TridentZ Series 
Hard DriveCoolingCoolingCooling
Samsung EVO 850 500 EK-SBAY Dual DDC 3.2 PWM Serial Alphacool NexXxoS ST30 Full Copper Radiator 360 Hardware Labs Black Ice SR2 Multiport Black Car... 
CoolingCoolingOSMonitor
EK-CoolStream RAD XTC 420 koolance 380i Windows 10 Pro ASUS VW246H Black 24" 2ms 
PowerCaseMouseAudio
SeaSonic M12D SS-850 850W  Thermaltake core x71 CM Storm Sentinel Advance II Corsair Void 
CPUMotherboardGraphicsRAM
X5675@4400 1.344 ASUS P6X58D-E XfX RX480 RS F3-12800CL7T-6GBPI 6-7-6-21 1T 
RAMHard DriveHard DriveHard Drive
F3-12800CL9S-4GBRL WDC WD1001FALS-00J7B1 ST31000340AS WDC WD7500AAKS-00RBA0 
Hard DriveOptical DriveCoolingOS
Hitachi HDS723020BLA642 ihas 624-A SilverStone Heligon HE01 windows 10 64 Pro 
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post #5 of 5
Thread Starter 
Quote:
Originally Posted by Bal3Wolf View Post
I don't thk so xp thinks you have 2 cpus.
ah that sucks.

Because I know it helps in some work loads, however. Windows thinks its 2 cores and adds work into the fake core. So really you only get 50% of power from your processor . Damn intel
Edited by Unknownm - 6/26/08 at 4:01pm
Gaming PC
(16 items)
 
HTC 10
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Good Price/Performance for gaming
Intel Core i5-4690K OEM Quad Core Processor (3.50GHz-3.90GHz)
CPUMotherboardGraphicsRAM
i5 4690K (Delidded) MSI Z97 MPOWER AC MAX EVGA 980 Ti Hybrid  CMY16GX3M2A2400C11R @ 2800Mhz 
RAMHard DriveHard DriveHard Drive
CMY16GX3M2A2400C11R @ 2800Mhz A-DATA Cheapo SSD 2x ST2000DM001-1ER164 ASMedia® ASM1061 (External) 
CoolingOSMonitorMonitor
swiftech h320 Stripped Win 10 x64 15063 *M* SAMSUNG LS24F350 *S* LG 22MP48HQ 
PowerCaseMouseAudio
Corsair RM850w Corsair Obsidian 750D Corsair Harpoon RGB Fiio E7 
CPUGraphicsRAMHard Drive
Qualcomm Snapdragon 820 MSM8996 [OC] Adreno 530 2x 2GB LPDDR4 32 GB eMMC Flash 
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Passive Android 7.0 2.51.617.1 Super LCD 5: 2560x1440 (565 PPI) Sony Xperia Keyboard 
Power
3,000 mAh Battery 
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Reply
Gaming PC
(16 items)
 
HTC 10
(9 items)
 
Good Price/Performance for gaming
Intel Core i5-4690K OEM Quad Core Processor (3.50GHz-3.90GHz)
CPUMotherboardGraphicsRAM
i5 4690K (Delidded) MSI Z97 MPOWER AC MAX EVGA 980 Ti Hybrid  CMY16GX3M2A2400C11R @ 2800Mhz 
RAMHard DriveHard DriveHard Drive
CMY16GX3M2A2400C11R @ 2800Mhz A-DATA Cheapo SSD 2x ST2000DM001-1ER164 ASMedia® ASM1061 (External) 
CoolingOSMonitorMonitor
swiftech h320 Stripped Win 10 x64 15063 *M* SAMSUNG LS24F350 *S* LG 22MP48HQ 
PowerCaseMouseAudio
Corsair RM850w Corsair Obsidian 750D Corsair Harpoon RGB Fiio E7 
CPUGraphicsRAMHard Drive
Qualcomm Snapdragon 820 MSM8996 [OC] Adreno 530 2x 2GB LPDDR4 32 GB eMMC Flash 
CoolingOSMonitorKeyboard
Passive Android 7.0 2.51.617.1 Super LCD 5: 2560x1440 (565 PPI) Sony Xperia Keyboard 
Power
3,000 mAh Battery 
  hide details  
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