Changes between Version 12 and Version 13 of GcnMemHandling
- Timestamp:
- 12/01/17 13:00:30 (6 years ago)
Legend:
- Unmodified
- Added
- Removed
- Modified
-
GcnMemHandling
v12 v13 1616 1616 <h3>Flat addressing</h3> 1617 1617 <p>By default, FLAT instructions read or write values from main memory. 1618 Special register FLAT scratchdefines size and offset of scratch buffer to access1618 Special register FLAT_SCRATCH defines size and offset of scratch buffer to access 1619 1619 scratch space for current wave. Bit fields:</p> 1620 1620 <table> … … 1636 1636 </tbody> 1637 1637 </table> 1638 <p>In GCN 1.4 (GFX900, VEGA) architecture FLAT_SCRATCH is 64-bit address of scratch buffer.</p> 1638 1639 <p>The base addresses to access scratch and LDS must be given by driver to some user place.</p> 1639 1640 }}}