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[GPU Logic Bug] SELECT <agg_func> FROM <table> Brings Errors #833

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qwebug opened this issue Jun 5, 2024 · 0 comments
Open

[GPU Logic Bug] SELECT <agg_func> FROM <table> Brings Errors #833

qwebug opened this issue Jun 5, 2024 · 0 comments

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@qwebug
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qwebug commented Jun 5, 2024

Describe:

SELECT <agg_func> FROM <table> brings different results, when using CPU-only configurations and GPU-used configurations.

SQL with CPU-only Config:

CREATE TABLE t0(c0 DOUBLE);
INSERT INTO t0(c0) VALUES('Infinity');
ALTER SESSION SET EXECUTOR_DEVICE='CPU';
SELECT SUM(CAST(t0.c0 AS INT)) FROM t0;

Result:

EXPR$0
NULL

SQL with GPU-used Config:

ALTER SESSION SET EXECUTOR_DEVICE='GPU';
SELECT SUM(CAST(t0.c0 AS INT)) FROM t0;

Result:

EXPR$0
2147483647

Environment:

Docker Deployment

https://hub.docker.com/layers/heavyai/heavyai-ee-cuda/latest/images/sha256-5af3ad3a00cbc5ce09c299b8b81cda96521a27373dbb1e59209c02358cfd9b1f?context=explore

Docker DIGEST: sha256:5af3ad3a00cbc5ce09c299b8b81cda96521a27373dbb1e59209c02358cfd9b1f

HeavyDB Version: 7.1.0-20230821-eae9ec17da

HeavyDB license: Free Edition

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