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added timing data #2

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42 changes: 42 additions & 0 deletions README.md
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Expand Up @@ -37,3 +37,45 @@ libptr->init(result, data, cb);
Here, result is a pointer to where the user wants the result of allGather operation to be stored(note that it must be of size n * k), data refers to per chare array element contributed data and cb refers to the callback.

Once the library is done, it will send an empty message (a kick if you will) telling the user that the result is now available in the destination that the user specified earlier.

### **Scaling the communication graph (fixed data: 40 bytes)**

#### 1 Node, 128 PEs
| Communication Graph | Trial 1 | Trial 2 | Trial 3 | Trial 4 | Average |
|---------------------|-----------|-----------|-----------|-----------|-------------|
| Ring | 0.199741 | 0.150521 | 0.183364 | 0.280327 | 0.20348825 |
| Hypercube | 0.026346 | 0.039749 | 0.02717 | 0.027799 | 0.030266 |

#### 2 Nodes, 128 PEs each
| Communication Graph | Trial 1 | Trial 2 | Trial 3 | Trial 4 | Average |
|---------------------|-----------|-----------|-----------|-----------|-------------|
| Ring | 1.243352 | 0.912825 | 1.359307 | 0.833105 | 1.08714725 |
| Hypercube | 0.480072 | 0.354723 | 0.302094 | 0.677252 | 0.45353525 |

#### 4 Nodes, 128 PEs each
| Communication Graph | Trial 1 | Trial 2 | Trial 3 | Trial 4 | Average |
|---------------------|-----------|-----------|-----------|-----------|-------------|
| Ring | 2.311041 | 2.53261 | 3.680528 | 2.596037 | 2.780054 |
| Hypercube | 0.878991 | 0.793332 | 0.799686 | 1.024804 | 0.87420325 |

---

### **Scaling the amount of data (fixed topology: 1 Node, 128 PEs)**

#### Ring
| Data Size | Trial 1 | Trial 2 | Trial 3 | Trial 4 | Average |
|---------------------|-----------|-----------|-----------|-----------|-------------|
| 500×4 | 0.205591 | 0.158634 | 0.133589 | 0.421874 | 0.229922 |
| 1000×4 | 0.184694 | 0.293661 | 0.214799 | 0.149986 | 0.210785 |
| 2000×4 | 0.149573 | 0.222398 | 0.154197 | 0.285809 | 0.20299425 |
| 10000×4 | 0.058948 | 0.073159 | 0.067228 | 0.129617 | 0.082238 |
| 100000×4 | 0.298904 | 0.285255 | 0.280117 | 0.275075 | 0.28483775 |

#### Hypercube
| Data Size | Trial 1 | Trial 2 | Trial 3 | Trial 4 | Average |
|---------------------|-----------|-----------|-----------|-----------|-------------|
| 500×4 | 0.036408 | 0.037173 | 0.03821 | 0.036537 | 0.037082 |
| 10000×4 | 0.031082 | 0.030288 | 0.029472 | 0.037486 | 0.032082 |
| 100000×4 | 0.235187 | 0.228271 | 0.225347 | 0.240304 | 0.23227725 |