# TestCudaAtomic

**Repository Path**: stoneforestwhu/test-cuda-atomic

## Basic Information

- **Project Name**: TestCudaAtomic
- **Description**: No description available
- **Primary Language**: Unknown
- **License**: Not specified
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2025-02-19
- **Last Updated**: 2025-06-22

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

vcc -o test_atomic_cmp_xchg cuda_atomic_cmp_xchg.cu  -gencode=arch=compute_89,code=sm_89


| op0             | op1       | result | note                             |
| --------------- | --------- | ------ | -------------------------------- |
| +inf            | -inf      | NAN    |                                  |
| +inf            | +inf      | +inf   |                                  |
| -inf            | -inf      | -inf   |                                  |
| normal/denormal | +inf      | +inf   |                                  |
| normal/denormal | -inf      | -inf   |                                  |
| NAN             | +inf      | NAN    |                                  |
| NAN             | -inf      | NAN    |                                  |
| +denormal       | +denormal | +0     |                                  |
| -denormal       | -denormal | -0     |                                  |
| +denormal       | -denormal | +0     | 不论\|op0\|和\|op1\|的值谁大谁小 |
| +normal         | +normal   | +inf   | op0+op1 >= +inf                  |
| -normal         | -normal   | -inf   | op0+op1 <= -inf                  |
| +normal         | -normal   | +0     | op0+op1 == +denormal             |
| +normal         | -normal   | -0     | op0+op1 == -denormal             |
| +0              | +denormal | +0     |                                  |
| +0              | -denormal | +0     |                                  |
| -0              | +denormal | +0     |                                  |
| -0              | -denormal | -0     |                                  |