Changes between Version 13 and Version 14 of GcnTimings


Ignore:
Timestamp:
05/28/16 23:00:24 (8 years ago)
Author:
trac
Comment:

--

Legend:

Unmodified
Added
Removed
Modified
  • GcnTimings

    v13 v14  
    176176<h3>SOPP Instruction timings</h3>
    177177<p>Jumps costs 4 (no jump) or 20 cycles (???) if jump will performed.</p>
     178<h3>SMRD Instruction timings</h3>
     179<p>Timings of SMRD instructions includes only time to fetch and execute instruction without
     180loading data from memory. Timings of SMRD instructions are in this table:</p>
     181<table>
     182<thead>
     183<tr>
     184<th>Instruction</th>
     185<th>Cycles</th>
     186<th>Instruction</th>
     187<th>Cycles</th>
     188</tr>
     189</thead>
     190<tbody>
     191<tr>
     192<td>S_BUFFER_LOAD_DWORD</td>
     193<td>4</td>
     194<td>S_LOAD_DWORD</td>
     195<td>4</td>
     196</tr>
     197<tr>
     198<td>S_BUFFER_LOAD_DWORDX2</td>
     199<td>4</td>
     200<td>S_LOAD_DWORDX2</td>
     201<td>4</td>
     202</tr>
     203<tr>
     204<td>S_BUFFER_LOAD_DWORDX4</td>
     205<td>4</td>
     206<td>S_LOAD_DWORDX4</td>
     207<td>4</td>
     208</tr>
     209<tr>
     210<td>S_BUFFER_LOAD_DWORDX8</td>
     211<td>8</td>
     212<td>S_LOAD_DWORDX8</td>
     213<td>8</td>
     214</tr>
     215<tr>
     216<td>S_BUFFER_LOAD_DWORDX16</td>
     217<td>16-24</td>
     218<td>S_LOAD_DWORDX16</td>
     219<td>16-24</td>
     220</tr>
     221<tr>
     222<td>S_DCACHE_INV</td>
     223<td>4</td>
     224<td>S_MEMTIME</td>
     225<td>4</td>
     226</tr>
     227<tr>
     228<td>S_DCACHE_INV_VOL</td>
     229<td>4</td>
     230<td></td>
     231<td></td>
     232</tr>
     233</tbody>
     234</table>
    178235<h3>VOP2 Instruction timings</h3>
    179236<p>All VOP2 instructions takes 4 cycles.</p>