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Re: [OT] A vueltas con las caches L1 y L2



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El Mon, 02 Jul 2018 15:53:23 +0200
Alberto Luaces <aluaces@udc.es> escribió:
> Angel Vicente writes:
> 
> > me dice que las caches L1 y L2 están deshabilitadas, la cosa es que
> > con lshw encuentro que existir, existen.  
> 
> Es prácticamente imposible que tu CPU no esté usando las cachés; jamás
> he escuchado que se pudiesen deshabilitar, puesto que es una parte
> crucial del sistema, especialmente las más cercanas como la L1 y la
> L2.
> 
> Si envías el mensaje exacto en el que sale lo que dices, quizás
> podamos interpretarlo.
> 

Debajo pego el resultado de ejecutar dmidecode -t cache
Cache L3 no tiene, es un Core 2 Quad Q8400

Getting SMBIOS data from sysfs.
SMBIOS 2.6 present.

Handle 0x0006, DMI type 7, 19 bytes
Cache Information
	Socket Designation: L1 Cache
	Configuration: Disabled, Not Socketed, Level 1
	Operational Mode: Write Through
	Location: Internal
	Installed Size: 256 kB
	Maximum Size: 256 kB
	Supported SRAM Types:
		Burst
	Installed SRAM Type: Burst
	Speed: Unknown
	Error Correction Type: Parity
	System Type: Data
	Associativity: 8-way Set-associative

Handle 0x0007, DMI type 7, 19 bytes
Cache Information
	Socket Designation: L2 Cache
	Configuration: Disabled, Not Socketed, Level 2
	Operational Mode: Write Back
	Location: Internal
	Installed Size: 4096 kB
	Maximum Size: 4096 kB
	Supported SRAM Types:
		Burst
	Installed SRAM Type: Burst
	Speed: Unknown
	Error Correction Type: Single-bit ECC
	System Type: Unified
	Associativity: 8-way Set-associative

Handle 0x0008, DMI type 7, 19 bytes
Cache Information
	Socket Designation: none
	Configuration: Disabled, Not Socketed, Level 3
	Operational Mode: Unknown
	Location: Unknown
	Installed Size: 0 kB
	Maximum Size: 0 kB
	Supported SRAM Types:
		Unknown
	Installed SRAM Type: Unknown
	Speed: Unknown
	Error Correction Type: Unknown
	System Type: Unknown
	Associativity: Unknown


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