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[Kryo] Enable loop prefetcher.
ClosedPublic

Authored by haicheng on Jun 20 2016, 2:45 PM.

Reviewers

mssimpso
mcrosier

Commits

Summary

SW prefetcher is beneficial to Kryo.

haicheng retitled this revision from to [Kryo] Enable loop prefetcher..

haicheng updated this object.

haicheng set the repository for this revision to rL LLVM.

haicheng added a subscriber: llvm-commits.

Is this something that can be tested? Does Cyclone have a test case?

Add a test case which is modified from Cyclone's.

LGTM.

This revision is now accepted and ready to land.Jun 21 2016, 2:20 PM

This revision was automatically updated to reflect the committed changes.

Path

Size

lib/

Target/

AArch64/

4 lines

Show First 20 Lines • Show All 64 Lines • ▼ Show 20 Lines	case CortexA57:
break;		break;
case ExynosM1:		case ExynosM1:
PrefFunctionAlignment = 4;		PrefFunctionAlignment = 4;
PrefLoopAlignment = 3;		PrefLoopAlignment = 3;
break;		break;
case Kryo:		case Kryo:
MaxInterleaveFactor = 4;		MaxInterleaveFactor = 4;
VectorInsertExtractBaseCost = 2;		VectorInsertExtractBaseCost = 2;
		CacheLineSize = 128;
		PrefetchDistance = 740;
		MinPrefetchStride = 1024;
		MaxPrefetchIterationsAhead = 11;
break;		break;
case Vulcan: break;		case Vulcan: break;
case CortexA35: break;		case CortexA35: break;
case CortexA53: break;		case CortexA53: break;
case Others: break;		case Others: break;
}		}
}		}

▲ Show 20 Lines • Show All 87 Lines • Show Last 20 Lines