Commits · 099699b9bcada5409fcdb384aab50353c4808c21 · Gaurav Kukreja / supercomputer_lab

17 Jun, 2012 1 commit
- Sequential Optimization of Gauss · 099699b9
  Gaurav Kukreja authored Jun 17, 2012
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 * residual interleaving
Signed-off-by: Gaurav Kukreja <mailme.gaurav@gmail.com>
```
  099699b9
06 Jun, 2012 2 commits
- Matrix Borders Initialization for Assign 4 · c083da69
  Gaurav Kukreja authored Jun 06, 2012
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Signed-off-by: Gaurav Kukreja <mailme.gaurav@gmail.com>
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  c083da69
- Assignment 4 Vanilla Code in assign4 folder · a5651abc
  Gaurav Kukreja authored Jun 06, 2012
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Signed-off-by: Gaurav Kukreja <mailme.gaurav@gmail.com>
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  a5651abc
23 May, 2012 1 commit

Assign2 Heat manual Parallelization · 378b8d21

Gaurav Kukreja authored May 23, 2012

 * 16 threads, change in Makefile
Signed-off-by: Gaurav Kukreja <mailme.gaurav@gmail.com>

378b8d21

19 May, 2012 1 commit
- Minor Bugs in script and bandwidth code resolved · 383950c6
  Gaurav Kukreja authored May 19, 2012
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Signed-off-by: Gaurav Kukreja <mailme.gaurav@gmail.com>
```
  383950c6
18 May, 2012 3 commits
- Batch Scripts · 1b859709
  Gaurav Kukreja authored May 18, 2012
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 * assignment 3 scripts are super awesome! - Gaurav
Signed-off-by: Gaurav Kukreja <mailme.gaurav@gmail.com>
```
  1b859709
- Removed debug message from bandwidth · 490b19b0
  Gaurav Kukreja authored May 18, 2012
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Signed-off-by: Gaurav Kukreja <mailme.gaurav@gmail.com>
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  490b19b0
- Solved minor bug in ping-pong.c · d2aa6af4
  Gaurav Kukreja authored May 18, 2012
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 * Gaurav
Signed-off-by: Gaurav Kukreja <mailme.gaurav@gmail.com>
```
  d2aa6af4
16 May, 2012 3 commits

Reduction Code updated · 3e829627

Gaurav Kukreja authored May 16, 2012

 * checks if the number of threads is a power of 2 - Viktor
Signed-off-by: Gaurav Kukreja <mailme.gaurav@gmail.com>

3e829627

Bandwidth Measurement · cf295448

Gaurav Kukreja authored May 16, 2012

 * ping-pong-bandwidth.c - Gaurav
Signed-off-by: Gaurav Kukreja <mailme.gaurav@gmail.com>

cf295448

ping-pong.c for Latency · ababf07b

Gaurav Kukreja authored May 16, 2012

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

ababf07b

14 May, 2012 1 commit

Assignment 3 - MPI · fd2df844

Gaurav Kukreja authored May 14, 2012

 * ping-pong for latency code done by Umbreen - buggy
 * reduction done by Viktor
 * result.c done by Gaurav
Signed-off-by: Gaurav Kukreja <mailme.gaurav@gmail.com>

fd2df844

09 May, 2012 4 commits

Added test1.dat · 7aeae8b9

Gaurav Kukreja authored May 09, 2012

 - resolution 1024 to 4096 with step size 1024
Signed-off-by: Gaurav Kukreja <mailme.gaurav@gmail.com>

7aeae8b9

Autoparallel, num-threads=8 · 797c08cd
Gaurav Kukreja authored May 09, 2012
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Signed-off-by: Gaurav Kukreja <mailme.gaurav@gmail.com>
```
797c08cd

Autoparallelization · 11603e91

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>
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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>
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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.
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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