mboehm7 commented on code in PR #2302:
URL: https://github.com/apache/systemds/pull/2302#discussion_r2249947451
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src/main/java/org/apache/sysds/runtime/instructions/cp/VariableCPInstruction.java:
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@@ -1060,6 +1054,36 @@ private void processWriteInstruction(ExecutionContext
ec) {
HDFSTool.writeScalarToHDFS(ec.getScalarInput(getInput1()), fname);
}
else if( getInput1().getDataType() == DataType.MATRIX ) {
+ MatrixObject mo =
ec.getMatrixObject(getInput1().getName());
+ int blen = Integer.parseInt(getInput4().getName());
+ LocalTaskQueue<IndexedMatrixValue> stream =
mo.getStreamHandle();
+
+ if (stream != null) {
Review Comment:
I would recommend to simple probe if a stream exists and not consume the
matrix if it does.
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