Cachés

2 files changed, 225 insertions, 6 deletions

diff --git a/aoc/n.lyx b/aoc/n.lyx
index 0a9a512..789fe50 100644
--- a/aoc/n.lyx
+++ b/aoc/n.lyx
@@ -162,11 +162,9 @@ https://en.wikipedia.org/
  
 \emph on
 \lang english
-Dark Silicon
+Dark Silicon, SPMD
 \emph default
-\lang spanish
 .
- 
 \end_layout
 
 \begin_layout Chapter
@@ -183,8 +181,6 @@ filename "n1.lyx"
 
 \end_layout
 
-<<<<<<< HEAD
-=======
 \begin_layout Chapter
 Arquitecturas superescalares
 \end_layout
@@ -199,6 +195,19 @@ filename "n2.lyx"
 
 \end_layout
 
->>>>>>> aoc
+\begin_layout Chapter
+Sincronización entre núcleos
+\end_layout
+
+\begin_layout Standard
+\begin_inset CommandInset include
+LatexCommand input
+filename "n3.lyx"
+
+\end_inset
+
+
+\end_layout
+
 \end_body
 \end_document
diff --git a/aoc/n3.lyx b/aoc/n3.lyx
new file mode 100644
index 0000000..e5cf2df
--- /dev/null
+++ b/aoc/n3.lyx
@@ -0,0 +1,210 @@
+#LyX 2.3 created this file. For more info see http://www.lyx.org/
+\lyxformat 544
+\begin_document
+\begin_header
+\save_transient_properties true
+\origin unavailable
+\textclass book
+\use_default_options true
+\begin_modules
+algorithm2e
+\end_modules
+\maintain_unincluded_children false
+\language spanish
+\language_package default
+\inputencoding auto
+\fontencoding global
+\font_roman "default" "default"
+\font_sans "default" "default"
+\font_typewriter "default" "default"
+\font_math "auto" "auto"
+\font_default_family default
+\use_non_tex_fonts false
+\font_sc false
+\font_osf false
+\font_sf_scale 100 100
+\font_tt_scale 100 100
+\use_microtype false
+\use_dash_ligatures true
+\graphics default
+\default_output_format default
+\output_sync 0
+\bibtex_command default
+\index_command default
+\paperfontsize default
+\spacing single
+\use_hyperref false
+\papersize default
+\use_geometry false
+\use_package amsmath 1
+\use_package amssymb 1
+\use_package cancel 1
+\use_package esint 1
+\use_package mathdots 1
+\use_package mathtools 1
+\use_package mhchem 1
+\use_package stackrel 1
+\use_package stmaryrd 1
+\use_package undertilde 1
+\cite_engine basic
+\cite_engine_type default
+\biblio_style plain
+\use_bibtopic false
+\use_indices false
+\paperorientation portrait
+\suppress_date false
+\justification true
+\use_refstyle 1
+\use_minted 0
+\index Index
+\shortcut idx
+\color #008000
+\end_index
+\secnumdepth 3
+\tocdepth 3
+\paragraph_separation indent
+\paragraph_indentation default
+\is_math_indent 0
+\math_numbering_side default
+\quotes_style french
+\dynamic_quotes 0
+\papercolumns 1
+\papersides 1
+\paperpagestyle default
+\tracking_changes false
+\output_changes false
+\html_math_output 0
+\html_css_as_file 0
+\html_be_strict false
+\end_header
+
+\begin_body
+
+\begin_layout Standard
+Para aprovechar los recursos de un multiprocesador se suele usar el modelo
+ 
+\series bold
+STMD
+\begin_inset Foot
+status open
+
+\begin_layout Plain Layout
+Nadie lo llama así.
+\end_layout
+
+\end_inset
+
+
+\series default
+ (
+\emph on
+\lang english
+Single Thread, Multiple Data
+\emph default
+\lang spanish
+) o 
+\series bold
+SPMD
+\series default
+ (
+\emph on
+\lang english
+Single Program, Multiple Data
+\emph default
+\lang spanish
+), una forma de MIMD consistente en ejecutar el mismo programa con distintas
+ entradas en varios procesadores a la vez para obtener resultados más rápido.
+\end_layout
+
+\begin_layout Section
+Cachés
+\end_layout
+
+\begin_layout Standard
+\begin_inset ERT
+status open
+
+\begin_layout Plain Layout
+
+
+\backslash
+sremember{ETC}
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
+\begin_layout Standard
+
+\series bold
+Políticas de escritura
+\end_layout
+
+\begin_layout Itemize
+
+\series bold
+Escritura directa
+\series default
+ (
+\emph on
+\lang english
+write through
+\emph default
+\lang spanish
+): Las escrituras se hacen a la vez en la caché y en memoria.
+ Si el bloque no está en caché, se suele escribir directamente [...] en memoria
+ [...] (
+\emph on
+\lang english
+no write allocate
+\emph default
+\lang spanish
+), [...] también se puede traer el bloque a la caché (
+\emph on
+\lang english
+write allocate
+\emph default
+\lang spanish
+) [...]
+\end_layout
+
+\begin_layout Itemize
+
+\series bold
+Pos-escritura
+\series default
+ (
+\emph on
+\lang english
+write back
+\emph default
+\lang spanish
+): Las escrituras se hacen sólo en la caché, y sólo se actualiza la [...] memoria
+ al sacar el bloque [...].
+ Es necesario un 
+\series bold
+bit de modificación
+\series default
+ [...] en cada bloque [...].
+\end_layout
+
+\begin_layout Standard
+\begin_inset ERT
+status open
+
+\begin_layout Plain Layout
+
+
+\backslash
+eremember
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
+\end_body
+\end_document