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This does represent a performance regression for decimal256 arrays, as previously the logic was incorrectly using i128 arithmetic when it should have been using i256. Correctness is more important and we're talking microseconds, so I think this is fine
Benchmark runs are scheduled for baseline = 09d5f02 and contender = 9f64476. 9f64476 is a master commit associated with this PR. Results will be available as each benchmark for each run completes.
Conbench compare runs links:
[Skipped ⚠️ Benchmarking of arrow-rs-commits is not supported on ec2-t3-xlarge-us-east-2] ec2-t3-xlarge-us-east-2
[Skipped ⚠️ Benchmarking of arrow-rs-commits is not supported on test-mac-arm] test-mac-arm
[Skipped ⚠️ Benchmarking of arrow-rs-commits is not supported on ursa-i9-9960x] ursa-i9-9960x
[Skipped ⚠️ Benchmarking of arrow-rs-commits is not supported on ursa-thinkcentre-m75q] ursa-thinkcentre-m75q
Buildkite builds:
Supported benchmarks:
ec2-t3-xlarge-us-east-2: Supported benchmark langs: Python, R. Runs only benchmarks with cloud = True
test-mac-arm: Supported benchmark langs: C++, Python, R
ursa-i9-9960x: Supported benchmark langs: Python, R, JavaScript
ursa-thinkcentre-m75q: Supported benchmark langs: C++, Java
This does represent a performance regression for decimal256 arrays, as previously the logic was incorrectly using i128 arithmetic when it should have been using i256. Correctness is more important and we're talking microseconds, so I think this is fine
thanks @tustvold
correctness is more important than performance.
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Which issue does this PR close?
Closes #3265
Rationale for this change
The logic was extremely complicated and hard to follow, and suffered from a lot of duplication, leading to inconsistencies such as #3224
What changes are included in this PR?
Are there any user-facing changes?