From 02218b0142a5797225ba35706e011de2ea34cc75 Mon Sep 17 00:00:00 2001 From: Zhongdi LUO Date: Mon, 13 Jul 2026 06:29:04 +0000 Subject: [PATCH] feat: add pre-WU Blackwell 1c4l4w branch --- .../chipyard/src/main/scala/config/RadianceConfigs.scala | 4 ++-- generators/radiance | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/generators/chipyard/src/main/scala/config/RadianceConfigs.scala b/generators/chipyard/src/main/scala/config/RadianceConfigs.scala index 296e4d76..ea444f32 100644 --- a/generators/chipyard/src/main/scala/config/RadianceConfigs.scala +++ b/generators/chipyard/src/main/scala/config/RadianceConfigs.scala @@ -35,7 +35,7 @@ class VirgoHopperSynConfig extends Radiance4CFP16ClusterSynConfig class RadianceBaseConfig extends Config( // NOTE: when changing these, remember to change NUM_CORES/THREADS/WARPS in // the verilog source as well! - new radiance.subsystem.WithSimtConfig(nWarps = 8, nCoreLanes = 8, nMemLanes = 8, nSrcIds = 32) ++ + new radiance.subsystem.WithSimtConfig(nWarps = 4, nCoreLanes = 4, nMemLanes = 4, nSrcIds = 32) ++ new chipyard.config.WithSystemBusWidth(bitWidth = 256) ++ new WithExtMemSize(BigInt("80000000", 16)) ++ new WithRadBootROM() ++ @@ -88,7 +88,7 @@ class Radiance4CFP16ClusterConfig extends Config( class RadianceBlackwellClusterConfig extends Config( new radiance.subsystem.WithRadianceGemmini(location = InCluster(0), dim = 16, accSizeInKB = 32, tileSize = (8, 4, 8), dataType = RadianceGemminiDataType.FP16) ++ - new radiance.subsystem.WithRadianceCores(4, location = InCluster(0), tensorCoreFP16 = true, tensorCoreDecoupled = false, tensorCoreBlackwell = true, startupAddress = BigInt("80000000", 16), useVxCache = false) ++ + new radiance.subsystem.WithRadianceCores(1, location = InCluster(0), tensorCoreFP16 = true, tensorCoreDecoupled = false, tensorCoreBlackwell = true, startupAddress = BigInt("80000000", 16), useVxCache = false) ++ new radiance.subsystem.WithRadianceSharedMem(address = x"ff000000", size = 128 << 10, numBanks = 4, numWords = 8) ++ new radiance.subsystem.WithCoalescer(nNewSrcIds = 16) ++ new radiance.subsystem.WithVortexL1Banks(nBanks = 8) ++ diff --git a/generators/radiance b/generators/radiance index 5112f366..bb1459a2 160000 --- a/generators/radiance +++ b/generators/radiance @@ -1 +1 @@ -Subproject commit 5112f3665a0e05b8f7a1bc22305cdf471ed1c3aa +Subproject commit bb1459a2090ad6ec6e9457ab0597a497b951912b