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Fix testchunkedPackTwoPasses to copy from the bounce buffer #15220

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merged 2 commits into from
Mar 5, 2024
Merged

Fix testchunkedPackTwoPasses to copy from the bounce buffer #15220

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eae3e89
Fix testchunkedPackTwoPasses to copy from the bounce buffer
abellina Mar 4, 2024
5e48d74
Fill every other element in the array
abellina Mar 4, 2024
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9 changes: 6 additions & 3 deletions java/src/test/java/ai/rapids/cudf/TableTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -3739,12 +3739,16 @@ void testChunkedPackBasic() {
}
}
}
/*

@Test
void testChunkedPackTwoPasses() {
// this test packes ~2MB worth of long into a 1MB bounce buffer
// this is 3 iterations because of the validity buffer
Long[] longs = new Long[256*1024];
// Initialize elements at odd-numbered indices
for (int i = 1; i < longs.length; i += 2) {
longs[i] = (long)i;
}
try (Table t1 = new Table.TestBuilder().column(longs).build();
DeviceMemoryBuffer bounceBuffer = DeviceMemoryBuffer.allocate(1L*1024*1024);
ChunkedPack cp = t1.makeChunkedPack(1L*1024*1024);
Expand All @@ -3757,7 +3761,7 @@ void testChunkedPackTwoPasses() {
while (cp.hasNext()) {
long copied = cp.next(bounceBuffer);
target.copyFromDeviceBufferAsync(
offset, target, 0, copied, Cuda.DEFAULT_STREAM);
offset, bounceBuffer, 0, copied, Cuda.DEFAULT_STREAM);
offset += copied;
}

Expand All @@ -3768,7 +3772,6 @@ void testChunkedPackTwoPasses() {
}
}
}
*/

@Test
void testContiguousSplitWithStrings() {
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