Changes between Version 7 and Version 8 of GcnTimings


Ignore:
Timestamp:
05/26/16 17:00:26 (8 years ago)
Author:
trac
Comment:

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  • GcnTimings

    v7 v8  
    1414instructions per cycle).</p>
    1515<h3>Instruction alignment</h3>
    16 <p>Aligmnent Rules for 2-dword instructions (GCN 1.0):</p>
     16<p>Aligmnent Rules for 2-dword instructions (GCN 1.0/1.1):</p>
    1717<ul>
    1818<li>any penalty costs 4 cycles</li>
     
    3030(N-3, where N is number of dword).</li>
    3131</ul>
     32<p>IMPORTANT: If occupancy is greater than 1 wave per compute unit, then penalties for
     33instruction fetching, branches, and scalar instructions will be masked while executing
     34more waves than 4<em>CUs. For best results is recommended to execute many waves
     35(multiple of 4</em>CUs) with occupancy greater than 1.</p>
    3236<h3>Instruction scheduling</h3>
    3337<ul>