Logcumsumexp_1.0

[shouhoo]

1. Motivation

分享目前为止的工作以供寒武纪方面评审。

2. Modification

改动内容包含logcumsumexp算子的实现，及作为其baseline的测试程序。

3. Test Report

3.1 Modification Details

3.1.1 Accuracy Acceptance Standard

For static threshold standard details, see: [MLU-OPS™ Accuracy Acceptance Standard](https://github.com/Cambricon/mlu-ops/blob/master/docs/MLU-OPS-Accuracy-Acceptance-Standard.md).

• dynamic threshold
  • diff1: mlu diff1 <= 3e-3
  • diff2: mlu diff2 <= 3e-3

3.1.2 Operator Scheme checklist

• Supported hardware
  • MLU370
• Job types
  • UNION8

3.2 Accuracy Test

3.2.1 Accuracy Test

If you have checked the following items, please tick the relevant box.

• Data type test (e.g. float32/int8)
• Multi-dimensional tensor test
• Layout test
• Different size/integer remainder end segment/alignment misalignment test
• Zero dimensional tensor test/zero element test
• stability test
• Multiple platform test
• Gen_case module test, see: [Gencase-User-Guide-zh](https://github.com/Cambricon/mlu-ops/blob/master/docs/Gencase-User-Guide-zh.md)
• Nan/INF tests
• Bug fix tests
• For memory leak check details, see: [GTest-User-Guide-zh](https://github.com/Cambricon/mlu-ops/blob/master/docs/[GTest-User-Guide-zh](https://github.com/Cambricon/mlu-ops/blob/master/docs/GTest-User-Guide-zh.md).md)
• For code coverage check details, see: GTest-User-Guide-zh
• For I/O calculation efficiency check details, see: [MLU-OPS™-Performance-Acceptance-Standard](https://github.com/Cambricon/mlu-ops/blob/master/docs/MLU-OPS-Performance-Acceptance-Standard.md)

3.2.2 Parameter Check

Test Point-1: When a new operator is submitted, the test points are given and the test results are stated. Acceptance Standard: Normal error.

Test Point-2: Whether illegal parameters are passed. Acceptance Standard: Normal error.

3.3 Performance Test

3.4 Summary Analysis