'Alloc' diaporamas de présentation

Deadlock

Deadlock. 10. Example. Process 1. Process 2. Resource 1. Resource 2. Process holds the resource. Process requests the resource. Three Deadlocked Processes. Process 1. Process 2. Process 3. Resource 1. Resource 2. Resource 3. Process holds the resource.

765 views • 60 slides

Deadlock

10. Deadlock. Example. Process 1. Process 2. Resource 1. Resource 2. Process holds the resource. Process requests the resource. Three Deadlocked Processes. Process 1. Process 2. Process 3. Resource 1. Resource 2. Resource 3. Process holds the resource.

698 views • 60 slides

Windows Kernel Internals User-mode Heap Manager

Windows Kernel Internals User-mode Heap Manager. David B. Probert, Ph.D. Windows Kernel Development Microsoft Corporation. Topics. Common problems with the NT heap LFH design Benchmarks data Heap analysis. Default NT Heap. Unbounded fragmentation for the worst scenario:

1.08k views • 55 slides

Windows Kernel Internals User-mode Heap Manager

Windows Kernel Internals User-mode Heap Manager. David B. Probert, Ph.D. Windows Kernel Development Microsoft Corporation. Topics. Common problems with the NT heap LFH design Benchmarks data Heap analysis. Default NT Heap. Unbounded fragmentation for the worst scenario:

752 views • 55 slides

Local Optimizations

Local Optimizations. Code generation. Object x; int a; int b; int c ; x = new Object; a = 4; c = a + b; x.fn (a + b);. Code generation. _tmp0 = 4 ; PushParam _tmp0 ; _tmp1 = LCall _ Alloc ; PopParams 4 ; _tmp2 = Object ; *(_tmp1) = _tmp2 ; x = _tmp1 ; _tmp3 = 4 ;

609 views • 51 slides

Custom STL Allocators

Custom STL Allocators. Pete Isensee Xbox Advanced Technology Group pkisensee@msn.com. Topics. Allocators: What are They Good For? Writing Your First Allocator The Devil in the Details Allocator Pitfalls State Syntax Testing Case Study. Containers and Allocators.

591 views • 40 slides

Custom STL Allocators

Custom STL Allocators. Pete Isensee Xbox Advanced Technology Group pkisensee@msn.com. Topics. Allocators: What are They Good For? Writing Your First Allocator The Devil in the Details Allocator Pitfalls State Syntax Testing Case Study. Containers and Allocators.

483 views • 40 slides

Custom STL Allocators

Custom STL Allocators. Pete Isensee Xbox Advanced Technology Group pkisensee@msn.com. Topics. Allocators: What are They Good For? Writing Your First Allocator The Devil in the Details Allocator Pitfalls State Syntax Testing Case Study. Containers and Allocators.

404 views • 40 slides

ECE 454 Computer Systems Programming Modern Allocators, Garbage Collection

ECE 454 Computer Systems Programming Modern Allocators, Garbage Collection. Contents. Introduction to dynamic memory management Alignment Memory management API Constraints, goals Fragmentation Basic dynamic memory allocation Implicit free list Explicit free list Segregated free lists

406 views • 40 slides

Machine Obstructed Proof

459 views • 33 slides

Deadlock

Deadlock. Example. P1 requests most of real memory Disk block mgr is swapped out ot make room for P1's requests P1 requests disk block 1 Deadlock: disk block mgr cannot come in P1 cannot complete to get out. System Approaches. Prevention Avoidance Detection & Recovery Manual mgmt.

332 views • 25 slides

Deadlock

Deadlock. Examples. P1 requests most of real memory Disk block mgr is swapped out to make room for P1's requests P1 requests disk block 1, which is held by p2 (& vice-versa for another block) Deadlock: disk block mgr cannot come in P1 cannot complete to get out. System Approaches.

263 views • 25 slides

A Quick Note on TinyOS

A Quick Note on TinyOS. Chris Merlin Group Meeting January 21 st , 2009. Outline. TinyOS: What Is It? TOSSIM, The TinyOS Simulator Dynamic Memory Allocation in TinyOS Concluding Remarks. TinyOS: What is it?. TOSSIM, the TinyOS Simulator. Dynamic Memory Allocation in TinyOS.

283 views • 16 slides

Competition in Economics

Competition in Economics. Abstract models and reality. Perfect competition Tiny firms Price takers Identical products Only normal profit Prod. & Alloc. efficiency. Monopoly Single supplier Sets p or q. Price above cost? Abnormal profit Inefficiency?. Spectrum of competition.

321 views • 12 slides

Objective-C Lecture 5

Objective-C Lecture 5. Memory management Memory management in OC is semi-automatic: The programmer must allocate memory for objects either a) explicitly (alloc) or b) indirectly using a convenience constructor No need to deallocate. Allocation.

172 views • 9 slides

e-maritime EC directive 2010/65

158 views • 3 slides