CN112236749A - 一种浮点精度检测方法与装置 - Google Patents
一种浮点精度检测方法与装置 Download PDFInfo
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- CN112236749A CN112236749A CN201880094332.7A CN201880094332A CN112236749A CN 112236749 A CN112236749 A CN 112236749A CN 201880094332 A CN201880094332 A CN 201880094332A CN 112236749 A CN112236749 A CN 112236749A
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
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Abstract
本申请公开了一种浮点精度检测方法与装置，涉及芯片技术领域，能够解决现有浮点精度检测方法效率低、实现复杂的问题。其方法为：以待检测的第一浮点数作为被测对象，并确定被测对象的第一参照对象和第二参照对象，第二参照对象为对被测对象叠加扰动后得到的；将被测对象、第一参照对象和第二参照对象分别输入算子进行计算，获取被测对象的被测结果、第一参照对象的参照结果以及第二参照对象的扰动结果；根据被测结果、参照结果以及扰动结果确定可接受的扰动误差范围，确定被测结果是否在可接受的扰动误差范围内。本申请实施例用于低精度与高精度、或同精度对象的精度对比检测。
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PCT国内申请，说明书已公开。
Claims (19)
- PCT国内申请，权利要求书已公开。
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2018/107098 WO2020056764A1 (zh) | 2018-09-21 | 2018-09-21 | 一种浮点精度检测方法与装置 |
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| CN112236749A true CN112236749A (zh) | 2021-01-15 |
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| CN201880094332.7A Pending CN112236749A (zh) | 2018-09-21 | 2018-09-21 | 一种浮点精度检测方法与装置 |
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| CN (1) | CN112236749A (zh) |
| WO (1) | WO2020056764A1 (zh) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113487936A (zh) * | 2021-07-26 | 2021-10-08 | 广州星锐传媒信息科技有限公司 | 一种基于多维连续信号分析的模拟驾驶评判方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070260665A1 (en) * | 2006-04-20 | 2007-11-08 | Chengpu Wang | Method of Specifying and Tracking Precision in Floating-point Calculation |
| CN102331921A (zh) * | 2010-05-28 | 2012-01-25 | 国际商业机器公司 | 用于检测十进制浮点量异常的方法和系统 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10019227B2 (en) * | 2014-11-19 | 2018-07-10 | International Business Machines Corporation | Accuracy-conserving floating-point value aggregation |
| CN104598196A (zh) * | 2014-12-30 | 2015-05-06 | 杭州中天微系统有限公司 | 一种浮点处理装置及方法 |
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2018
- 2018-09-21 CN CN201880094332.7A patent/CN112236749A/zh active Pending
- 2018-09-21 WO PCT/CN2018/107098 patent/WO2020056764A1/zh active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070260665A1 (en) * | 2006-04-20 | 2007-11-08 | Chengpu Wang | Method of Specifying and Tracking Precision in Floating-point Calculation |
| CN102331921A (zh) * | 2010-05-28 | 2012-01-25 | 国际商业机器公司 | 用于检测十进制浮点量异常的方法和系统 |
Non-Patent Citations (1)
| Title |
|---|
| 范啸涛, 季光明, 何永斌: "计算机浮点数算术运算的舍入误差研究", 成都理工大学学报(自然科学版), no. 02, 30 April 2005 (2005-04-30) * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113487936A (zh) * | 2021-07-26 | 2021-10-08 | 广州星锐传媒信息科技有限公司 | 一种基于多维连续信号分析的模拟驾驶评判方法 |
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| WO2020056764A1 (zh) | 2020-03-26 |
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