Commits · 11603e910e07b4077aea29d09fe8786b0b300f2c · Gaurav Kukreja / supercomputer_lab

09 May, 2012 2 commits

Gaurav Kukreja authored May 09, 2012

 - Added Compiler options in Makefile
 - Added hint in relax_jacobi.c\
Signed-off-by: Gaurav Kukreja <mailme.gaurav@gmail.com>

11603e91

Created a copy of sequential code in head-parallel · b7b0f5df
Gaurav Kukreja authored May 09, 2012
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Signed-off-by: Gaurav Kukreja <mailme.gaurav@gmail.com>
```
b7b0f5df

02 May, 2012 10 commits

Offset Calculation · a2c0ce6e
Gaurav Kukreja authored May 02, 2012
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Signed-off-by: Gaurav Kukreja <mailme.gaurav@gmail.com>
```
a2c0ce6e
Interleaving of row processing · eb2eef7a
Gaurav Kukreja authored May 02, 2012
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Signed-off-by: Gaurav Kukreja <mailme.gaurav@gmail.com>
```
eb2eef7a

Loop Blocking · 3006f1f7

Gaurav Kukreja authored May 02, 2012

To improve Cache Hit Ratio for larger resolutions
Signed-off-by: Gaurav Kukreja <mailme.gaurav@gmail.com>

3006f1f7

Cutting the residual calculation · 40d2c9da

Gaurav Kukreja authored May 02, 2012

Instead of calculating residual for the next iteration, we calculate residual
iteration. This is an acceptable deviation, and a significant optimization.
Signed-off-by: Gaurav Kukreja <mailme.gaurav@gmail.com>

40d2c9da

Interleaved Residaul Calculation · 51562a59
Gaurav Kukreja authored May 02, 2012
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Improves Cache Hit Ratio
Signed-off-by: Gaurav Kukreja <mailme.gaurav@gmail.com>
```
51562a59

Swapped Pointers for u and uhelp after iteration · 476a1e0f

Gaurav Kukreja authored May 02, 2012

Copying of matrix uhelp to u each time is avoided, by swapping pointers.
Signed-off-by: Gaurav Kukreja <mailme.gaurav@gmail.com>

476a1e0f

Changed the access pattern into matrix · dea4cf6b

Gaurav Kukreja authored May 02, 2012

Exchanged the nested loops in relax_jacobi and residual_jacobi to ensure
linear memory access.
Signed-off-by: Gaurav Kukreja <mailme.gaurav@gmail.com>

dea4cf6b

Revert "Changed the access pattern into matrix" · 7df693de
Gaurav Kukreja authored May 02, 2012
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This reverts commit 639009e6.
```
7df693de

Changed the access pattern into matrix · 639009e6

Gaurav Kukreja authored May 02, 2012

Exchanged the nested loops in relax_jacobi and residual_jacobi to ensure
linear memory access.
Signed-off-by: Gaurav Kukreja <mailme.gaurav@gmail.com>

639009e6

Initial Commit · 36d6ce07

Gaurav Kukreja authored May 02, 2012

Vanilla Code
Signed-off-by: Gaurav Kukreja <mailme.gaurav@gmail.com>

36d6ce07