python3Packages.triton: add patch to support ROCm gfx906 target (#497412)

This commit is contained in:
Luna Nova
2026-03-14 14:00:59 +00:00
committed by GitHub
2 changed files with 133 additions and 0 deletions
@@ -0,0 +1,131 @@
diff --git a/test/Conversion/amd/tritongpu_to_llvm.mlir b/test/Conversion/amd/tritongpu_to_llvm.mlir
index 068e931a6..e651f7b0a 100644
--- a/test/Conversion/amd/tritongpu_to_llvm.mlir
+++ b/test/Conversion/amd/tritongpu_to_llvm.mlir
@@ -1,5 +1,6 @@
// RUN: triton-opt %s -split-input-file --allocate-shared-memory --convert-triton-amdgpu-to-llvm=arch=gfx942 --convert-builtin-func-to-llvm | FileCheck %s
// RUN: triton-opt %s -split-input-file --allocate-shared-memory --convert-triton-amdgpu-to-llvm=arch=gfx950 | FileCheck %s --check-prefix=GFX950
+// RUN: triton-opt %s -split-input-file --allocate-shared-memory --convert-triton-amdgpu-to-llvm=arch=gfx906 | FileCheck %s --check-prefix=GFX906
module attributes {"ttg.num-ctas" = 1 : i32, "ttg.num-warps" = 4 : i32} {
// CHECK-LABEL: atomic_add_f32_scalar
@@ -633,3 +634,27 @@ module attributes {"ttg.num-ctas" = 1 : i32, "ttg.num-warps" = 4 : i32, "ttg.thr
tt.return
}
}
+
+// -----
+
+// GFX906-LABEL: v_dot_fp16_gfx906
+#blocked = #ttg.blocked<{sizePerThread = [1, 1], threadsPerWarp = [8, 8], warpsPerCTA = [2, 2], order = [1, 0]}>
+module attributes {"ttg.target" = "hip:gfx906", "ttg.num-ctas" = 1 : i32, "ttg.num-warps" = 4 : i32, "ttg.threads-per-warp" = 64 : i32} {
+ tt.func @v_dot_fp16_gfx906(%arg0: tensor<16x16xf16, #ttg.dot_op<{opIdx = 0, parent = #blocked}>>, %arg1: tensor<16x16xf16, #ttg.dot_op<{opIdx = 1, parent = #blocked}>>, %arg2: tensor<16x16xf32, #blocked>) {
+ // GFX906-COUNT-8: llvm.call_intrinsic "llvm.amdgcn.fdot2"
+ %0 = tt.dot %arg0, %arg1, %arg2, inputPrecision = ieee : tensor<16x16xf16, #ttg.dot_op<{opIdx = 0, parent = #blocked}>> * tensor<16x16xf16, #ttg.dot_op<{opIdx = 1, parent = #blocked}>> -> tensor<16x16xf32, #blocked>
+ tt.return
+ }
+}
+
+// -----
+
+// GFX906-LABEL: v_dot_i8_gfx906
+#blocked = #ttg.blocked<{sizePerThread = [1, 1], threadsPerWarp = [8, 8], warpsPerCTA = [2, 2], order = [1, 0]}>
+module attributes {"ttg.target" = "hip:gfx906", "ttg.num-ctas" = 1 : i32, "ttg.num-warps" = 4 : i32, "ttg.threads-per-warp" = 64 : i32} {
+ tt.func @v_dot_i8_gfx906(%arg0: tensor<16x16xi8, #ttg.dot_op<{opIdx = 0, parent = #blocked}>>, %arg1: tensor<16x16xi8, #ttg.dot_op<{opIdx = 1, parent = #blocked}>>, %arg2: tensor<16x16xi32, #blocked>) {
+ // GFX906-COUNT-4: llvm.call_intrinsic "llvm.amdgcn.sdot4"
+ %0 = tt.dot %arg0, %arg1, %arg2, inputPrecision = ieee : tensor<16x16xi8, #ttg.dot_op<{opIdx = 0, parent = #blocked}>> * tensor<16x16xi8, #ttg.dot_op<{opIdx = 1, parent = #blocked}>> -> tensor<16x16xi32, #blocked>
+ tt.return
+ }
+}
diff --git a/third_party/amd/include/TritonAMDGPUToLLVM/TargetUtils.h b/third_party/amd/include/TritonAMDGPUToLLVM/TargetUtils.h
index a689fe438..5d84110dc 100644
--- a/third_party/amd/include/TritonAMDGPUToLLVM/TargetUtils.h
+++ b/third_party/amd/include/TritonAMDGPUToLLVM/TargetUtils.h
@@ -8,6 +8,7 @@ namespace mlir::triton::AMD {
// A list of ISA families we care about.
enum class ISAFamily {
Unknown,
+ GCN5_1,
CDNA1,
CDNA2,
CDNA3,
diff --git a/third_party/amd/lib/TritonAMDGPUToLLVM/TargetInfo.cpp b/third_party/amd/lib/TritonAMDGPUToLLVM/TargetInfo.cpp
index af7b4b1f7..01cacc9de 100644
--- a/third_party/amd/lib/TritonAMDGPUToLLVM/TargetInfo.cpp
+++ b/third_party/amd/lib/TritonAMDGPUToLLVM/TargetInfo.cpp
@@ -71,6 +71,7 @@ llvm::AMDGPU::GPUKind TargetInfo::getGPUKind() const {
int TargetInfo::getWarpSize() const {
switch (getISAFamily()) {
+ case ISAFamily::GCN5_1:
case ISAFamily::CDNA1:
case ISAFamily::CDNA2:
case ISAFamily::CDNA3:
@@ -335,10 +336,10 @@ bool TargetInfo::warpReduce(RewriterBase &rewriter, Location loc,
return true;
if (numLaneToReduce != getWarpSize())
return false;
- if (isCDNA(getISAFamily()) && getISAFamily() == ISAFamily::CDNA1)
- return false;
- if (isRDNA(getISAFamily()) &&
- llvm::is_contained({ISAFamily::RDNA1, ISAFamily::RDNA2}, getISAFamily()))
+ // DPP warp reduce requires gfx90a+ (CDNA2+) or gfx11+ (RDNA3+).
+ // Pre-CDNA2 GFX9 (gfx906/gfx908) and GFX10 (RDNA1/2) are excluded.
+ auto v = getIsaVersion();
+ if (!((v.Major == 9 && (v.Minor > 0 || v.Stepping >= 0xa)) || v.Major >= 11))
return false;
Operation *reduxOp = op.getSingleCombiner();
@@ -438,7 +439,7 @@ bool TargetInfo::warpReduce(RewriterBase &rewriter, Location loc,
buf = createDppReduxOpWithBoundCtrl(valType, buf, 1 + dppCtrlRowShr,
allRows, allBanks);
- if (isCDNA(getISAFamily())) {
+ if (isCDNA(getISAFamily()) || getISAFamily() == ISAFamily::GCN5_1) {
// row_bcast:15 row_mask:0xa
buf = createDppReduxOpWithBoundCtrl(
valType, buf, static_cast<uint32_t>(DppCtrl::BCAST15), 0xa, allBanks);
diff --git a/third_party/amd/lib/TritonAMDGPUToLLVM/TargetInfo.cpp.rej b/third_party/amd/lib/TritonAMDGPUToLLVM/TargetInfo.cpp.rej
new file mode 100644
index 000000000..b75ab8f11
--- /dev/null
+++ b/third_party/amd/lib/TritonAMDGPUToLLVM/TargetInfo.cpp.rej
@@ -0,0 +1,16 @@
+diff a/third_party/amd/lib/TritonAMDGPUToLLVM/TargetInfo.cpp b/third_party/amd/lib/TritonAMDGPUToLLVM/TargetInfo.cpp (rejected hunks)
+@@ -395,10 +396,10 @@ bool TargetInfo::warpReduce(RewriterBase &rewriter, Location loc,
+ return true;
+ if (reduceLaneIdMask != (getWarpSize() - 1))
+ return false;
+- if (isCDNA(getISAFamily()) && getISAFamily() == ISAFamily::CDNA1)
+- return false;
+- if (isRDNA(getISAFamily()) &&
+- llvm::is_contained({ISAFamily::RDNA1, ISAFamily::RDNA2}, getISAFamily()))
++ // DPP warp reduce requires gfx90a+ (CDNA2+) or gfx11+ (RDNA3+).
++ // Pre-CDNA2 GFX9 (gfx906/gfx908) and GFX10 (RDNA1/2) are excluded.
++ auto v = getIsaVersion();
++ if (!((v.Major == 9 && (v.Minor > 0 || v.Stepping >= 0xa)) || v.Major >= 11))
+ return false;
+
+ Operation *reduxOp = op.getSingleCombiner();
diff --git a/third_party/amd/lib/TritonAMDGPUToLLVM/TargetUtils.cpp b/third_party/amd/lib/TritonAMDGPUToLLVM/TargetUtils.cpp
index b79841ab5..afb80d9fb 100644
--- a/third_party/amd/lib/TritonAMDGPUToLLVM/TargetUtils.cpp
+++ b/third_party/amd/lib/TritonAMDGPUToLLVM/TargetUtils.cpp
@@ -12,6 +12,9 @@ ISAFamily deduceISAFamily(llvm::StringRef arch) {
if (kind == llvm::AMDGPU::GK_GFX1250)
return ISAFamily::GFX1250;
+ if (kind == llvm::AMDGPU::GK_GFX906)
+ return ISAFamily::GCN5_1;
+
// CDNA ISA cases
switch (kind) {
case llvm::AMDGPU::GK_GFX950:
@@ -41,6 +44,7 @@ ISAFamily deduceISAFamily(llvm::StringRef arch) {
bool supportsVDot(llvm::StringRef arch) {
switch (deduceISAFamily(arch)) {
+ case AMD::ISAFamily::GCN5_1:
case AMD::ISAFamily::CDNA1:
case AMD::ISAFamily::CDNA2:
case AMD::ISAFamily::CDNA3:
@@ -63,6 +63,8 @@ buildPythonPackage (finalAttrs: {
libcudaStubsDir =
if cudaSupport then "${lib.getOutput "stubs" cudaPackages.cuda_cudart}/lib/stubs" else null;
})
# Backport of https://github.com/triton-lang/triton/pull/9628 (does not apply cleanly)
./0005-add-gcn5-gfx906-target.patch
]
++ lib.optionals cudaSupport [
(replaceVars ./0003-nvidia-cudart-a-systempath.patch {