7 Nokia Corporation - initial contribution. |
7 Nokia Corporation - initial contribution. |
8 Contributors: |
8 Contributors: |
9 --> |
9 --> |
10 <!DOCTYPE concept |
10 <!DOCTYPE concept |
11 PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd"> |
11 PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd"> |
12 <concept id="GUID-629EAA30-ED77-4CA9-91ED-36C818D7B4F4" xml:lang="en"><title>SMP Quick |
12 <concept id="GUID-629EAA30-ED77-4CA9-91ED-36C818D7B4F4" xml:lang="en"><title>SMP</title><shortdesc>Provides summary of documents to make SMP-safe applications.</shortdesc><prolog><metadata><keywords/></metadata></prolog><conbody> |
13 Start</title><shortdesc>Provides summary of documents to make SMP-safe applications.</shortdesc><prolog><metadata><keywords/></metadata></prolog><conbody> |
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14 <section id="GUID-DA96C23B-D7B6-480A-96EB-377898DAB402"> <title>Getting started |
13 <section id="GUID-DA96C23B-D7B6-480A-96EB-377898DAB402"> <title>Getting started |
15 with SMP</title> <p> The SMP introduction topics provide the basic concepts |
14 with SMP</title> <p> The SMP introduction topics provide the basic concepts |
16 of threads, interrupt handling, locks and memory barriers in an SMP environment. </p><ul> |
15 of threads, interrupt handling, locks and memory barriers in an SMP environment. </p><ul> |
17 <li><p><xref href="GUID-CE72E71B-6ED3-4961-B4C5-C43D823ACA9D.dita">Introduction |
16 <li><p><xref href="GUID-CE72E71B-6ED3-4961-B4C5-C43D823ACA9D.dita">Introduction |
18 to SMP</xref> </p> </li> |
17 to SMP</xref> </p> </li> |
19 </ul><p>The SMP porting guide describes how to port an application running |
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20 on single core device to multi-core device.</p><ul> |
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21 <li><p><xref href="GUID-F44ED3DD-F74F-4C79-8E56-1CBBCCA90C91.dita">SMP - Porting |
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22 Guide</xref></p></li> |
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23 </ul><p>The common error pattern topics describes the solutions to the problems |
18 </ul><p>The common error pattern topics describes the solutions to the problems |
24 that occur when porting an application from single core architecture to multiple |
19 that occur when porting an application from single core architecture to multiple |
25 core architecture.</p><ul> |
20 core architecture.</p><ul> |
26 <li><p><xref href="GUID-93C75E31-6155-48F1-B99C-92ECD0B2C067.dita">SMP - Common |
21 <li><p><xref href="GUID-314FAEB5-946C-4090-B6AA-1BEEC9BE8EFB.dita">SMP - Common |
27 Error Patterns</xref></p></li> |
22 Error Patterns - Case Studies</xref></p></li> |
28 </ul></section> |
23 </ul></section> |
29 <section id="GUID-C0E92C6D-A788-404F-98CB-2D805A179B8D"> <title>Architecture</title><p>The |
24 <section id="GUID-C0E92C6D-A788-404F-98CB-2D805A179B8D"> <title>Architecture</title><p>The |
30 following illustration is an example of multiprocessor architecture with four |
25 following illustration is an example of multiprocessor architecture with four |
31 CPUs connected to a shared memory. </p><fig id="GUID-932ACAC3-B997-4219-AFE0-59C4CCC4BE01"> |
26 CPUs connected to a shared memory. </p><fig id="GUID-932ACAC3-B997-4219-AFE0-59C4CCC4BE01"> |
32 <title>SMP architecture example</title> |
27 <title>SMP architecture example</title> |
33 <image href="GUID-85A84BAA-4FA2-4A26-A8B1-57018D8838C3_d0e638314_href.jpg" placement="inline"/> |
28 <image href="GUID-85A84BAA-4FA2-4A26-A8B1-57018D8838C3_d0e15322_href.jpg" placement="inline"/> |
34 </fig></section> |
29 </fig></section> |
35 <section id="GUID-5B1EE6CA-285F-48F3-B719-F6542F090E9B"> <title>Technologies</title><p>SMP |
30 <section id="GUID-5B1EE6CA-285F-48F3-B719-F6542F090E9B"> <title>Technologies</title><p>SMP |
36 is a microprocessor architecture with two or more processors. The processors |
31 is a microprocessor architecture with two or more processors. The processors |
37 are connected to a single shared memory. A single instance of Symbian platform |
32 are connected to a single shared memory. A single instance of Symbian platform |
38 runs on the available cores and allocates the threads to different CPUs. </p></section> |
33 runs on the available cores and allocates the threads to different CPUs. </p></section> |