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better spat computes merging
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NiccoloN
2026-04-25 19:24:09 +02:00
parent 951baca106
commit 15e8edb9c4
11 changed files with 1477 additions and 369 deletions
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19
src/PIM/Conversion/SpatialToPim/Common.cpp
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@@ -96,8 +96,8 @@ bool hasSpatialChannelTargetCoreIdAttr(mlir::Value channel) {
return channelNewOp && channelNewOp->hasAttr(kChannelTargetCoreIdAttrName);
}
mlir::Value createPimReceiveFromSpatialChannel(
PatternRewriter& rewriter, Location loc, mlir::Value output, mlir::Value channel) {
mlir::Value
createPimReceiveFromSpatialChannel(PatternRewriter& rewriter, Location loc, mlir::Value output, mlir::Value channel) {
mlir::Value outputBuffer = getBestOutputTensorFromOperandsOrAllocate(rewriter, output.getDefiningOp());
auto sizeAttr = getTensorSizeInBytesAttr(rewriter, output);
auto sourceCoreIdAttr = getSpatialChannelSourceCoreIdAttr(rewriter, channel);
@@ -127,6 +127,16 @@ SmallVector<mlir::Value> getOpOperandsSortedByUses(Operation* operation) {
return map_to_vector(operandsAndUses, [](auto operandAndUse) { return operandAndUse.first; });
}
bool hasLaterUserInBlock(mlir::Value value, Operation* operation) {
for (Operation* user : value.getUsers()) {
if (user->getBlock() != operation->getBlock())
return true;
if (operation->isBeforeInBlock(user))
return true;
}
return false;
}
mlir::Value getBestOutputTensorFromOperandsOrAllocate(PatternRewriter& rewriter, Operation* operation) {
assert("Only support operations with a single result" && operation->getNumResults() == 1);
mlir::Value result = operation->getResult(0);
@@ -134,8 +144,9 @@ mlir::Value getBestOutputTensorFromOperandsOrAllocate(PatternRewriter& rewriter,
assert("Only support result ShapedType as result type" && isa<ShapedType>(resultType));
SmallVector<mlir::Value> operands = getOpOperandsSortedByUses(operation);
auto validOperands =
make_filter_range(operands, [resultType](mlir::Value operand) { return operand.getType() == resultType; });
auto validOperands = make_filter_range(operands, [operation, resultType](mlir::Value operand) {
return operand.getType() == resultType && !hasLaterUserInBlock(operand, operation);
});
auto bestOperand = validOperands.begin();
if (bestOperand != validOperands.end())