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[SM121] Enable native block-scaled dot_scaled for DGX Spark (GB10) #10010

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Merged
ThomasRaoux merged 1 commit into from
Apr 13, 2026
Merged

[SM121] Enable native block-scaled dot_scaled for DGX Spark (GB10) #10010

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4 changes: 2 additions & 2 deletions lib/Dialect/TritonGPU/Transforms/AccelerateMatmul.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -677,7 +677,7 @@ class ScaledBlockedToMMA : public mlir::OpRewritePattern<triton::DotScaledOp> {
mlir::LogicalResult
matchAndRewrite(triton::DotScaledOp dotOp,
mlir::PatternRewriter &rewriter) const override {
if (computeCapability != 120)
if (computeCapability / 10 != 12)
return failure();

auto numCTAs = lookupNumCTAs(rewriter);
Expand Down Expand Up @@ -924,7 +924,7 @@ static bool mmav2SupportsFp8Operands(int computeCapability) {
// although PTX instructions for mma v2 w/ fp8 operands exist for sm90 and
// sm100, they are emulated as fp16 upcasts + fp16 HMMA in SASS. sm120 has
// hardware support for fp8 operands w/ mmav2.
return computeCapability == 89 || computeCapability == 120;
return computeCapability == 89 || computeCapability / 10 == 12;
}

// promote operands of dot op if the existing combination is not natively
Expand Down
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