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Parallel and Distributed Systems at SFU (431)
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Svetozar Miuchin
, …
Loren Van Spronsen
9
12/12/13
Important notice about Asst5
Hey Everyone, Not sure if this has come up already, but just so everyone knows, the java test client
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Important notice about Asst5
Hey Everyone, Not sure if this has come up already, but just so everyone knows, the java test client
12/12/13
parmida.vahdatnia
4/21/20
Assignment 6 grades
Dear all, The grades for assignment 6 are available on coursys. Please not that if your code had
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Assignment 6 grades
Dear all, The grades for assignment 6 are available on coursys. Please not that if your code had
4/21/20
Arrvindh Shriraman
4/12/20
Final Grade
Assignment 2,4 and 5 will be the 20% (29 responses) The final grades will be assigned the week of Apr
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Final Grade
Assignment 2,4 and 5 will be the 20% (29 responses) The final grades will be assigned the week of Apr
4/12/20
dj olay
,
Arrvindh Shriraman
2
4/11/20
Weird Validation Output
That's a diff; that means your program output deviated from expected gpu output Make sure you get
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Weird Validation Output
That's a diff; that means your program output deviated from expected gpu output Make sure you get
4/11/20
David Pham
,
Khang Bùi
7
4/10/20
RGB -> YUV values are off ever so slightly
To Professor, Is it ok if we just ignore the validation script in the case that we cannot fix this
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RGB -> YUV values are off ever so slightly
To Professor, Is it ok if we just ignore the validation script in the case that we cannot fix this
4/10/20
Khang Bùi
,
Bruno Da Silva
4
4/9/20
Running make command throw error about unsupported gcc version
Thanks Bruno! That worked. On Thursday, April 9, 2020 at 8:15:18 PM UTC-7, Bruno Da Silva wrote: For
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Running make command throw error about unsupported gcc version
Thanks Bruno! That worked. On Thursday, April 9, 2020 at 8:15:18 PM UTC-7, Bruno Da Silva wrote: For
4/9/20
Arrvindh Shriraman
, …
Brittany Ryan
4
4/9/20
Grade Distribution
They should be released tomorrow by the TA. On Thu, Apr 9, 2020 at 20:16 Brittany Ryan <
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Grade Distribution
They should be released tomorrow by the TA. On Thu, Apr 9, 2020 at 20:16 Brittany Ryan <
4/9/20
David Pham
, …
Khang Bùi
7
4/9/20
weird results with cudamemcpy
Thank guys for the comments.
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weird results with cudamemcpy
Thank guys for the comments.
4/9/20
Arrvindh Shriraman
4/9/20
Assignment 6 deadline extended to apr 11
-- Arrvindh Shriraman Associate Professor Computer Science Simon Fraser University
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Assignment 6 deadline extended to apr 11
-- Arrvindh Shriraman Associate Professor Computer Science Simon Fraser University
4/9/20
Arrvindh Shriraman
4/7/20
Spark example
https://github.com/CMPT-431-SFU/spark-tutorial
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Spark example
https://github.com/CMPT-431-SFU/spark-tutorial
4/7/20
Arrvindh Shriraman
4/7/20
Final class linkn
https://ca.bbcollab.com/guest/6b32814e9cf74c70b3540471d8a21490 Arrvindh Shriraman Associate Professor
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Final class linkn
https://ca.bbcollab.com/guest/6b32814e9cf74c70b3540471d8a21490 Arrvindh Shriraman Associate Professor
4/7/20
Nicholas Fung
, …
Arrvindh Shriraman
8
4/6/20
Assignment 6: Validation fail on GPU
Only where you have shared data structure updated by multiple threads eg, histogram. On Mon, Apr 6,
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Assignment 6: Validation fail on GPU
Only where you have shared data structure updated by multiple threads eg, histogram. On Mon, Apr 6,
4/6/20
Nicholas Fung
,
Arrvindh Shriraman
3
4/6/20
Assignment 6: run.sh is looking for PASSED instead of SUCCESS
That's ok; it won't affect whether script passes or not On Mon, Apr 6, 2020 at 19:05 Arrvindh
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Assignment 6: run.sh is looking for PASSED instead of SUCCESS
That's ok; it won't affect whether script passes or not On Mon, Apr 6, 2020 at 19:05 Arrvindh
4/6/20
Bruno Da Silva
,
Arrvindh Shriraman
4
4/6/20
Expectations as far as performance/runtime?
Yes. On Monday, April 6, 2020 at 6:10:58 PM UTC-7, Bruno Da Silva wrote: Cool, so as long as we'
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Expectations as far as performance/runtime?
Yes. On Monday, April 6, 2020 at 6:10:58 PM UTC-7, Bruno Da Silva wrote: Cool, so as long as we'
4/6/20
Evan Lee
, …
Arrvindh Shriraman
3
4/6/20
run.sh compares output of cpu files instead of gpu files with reference files
Thanks; shell scripts and sample images have been updated. You can obtain both the CPU and GPU
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run.sh compares output of cpu files instead of gpu files with reference files
Thanks; shell scripts and sample images have been updated. You can obtain both the CPU and GPU
4/6/20
dj olay
,
Arrvindh Shriraman
2
4/6/20
using CudamallocManaged
CudaMalloc On Monday, April 6, 2020 at 4:33:23 PM UTC-7, dj olay wrote: Hi Professor, Are we allowed
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using CudamallocManaged
CudaMalloc On Monday, April 6, 2020 at 4:33:23 PM UTC-7, dj olay wrote: Hi Professor, Are we allowed
4/6/20
Khang Bùi
, …
Arrvindh Shriraman
4
4/5/20
Problem running bash scripts/run.sh
reference has to be in your root folder repo/in.ppm repo/in.pgm repo/reference repo/scripts/run.sh On
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Problem running bash scripts/run.sh
reference has to be in your root folder repo/in.ppm repo/in.pgm repo/reference repo/scripts/run.sh On
4/5/20
Nicholas Fung
,
Arrvindh Shriraman
2
4/5/20
Assignment 6: Clock Skew warning
Ignore On Sun, Apr 5, 2020 at 16:46 Nicholas Fung <ncf...@sfu.ca> wrote: Attempting to compile
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Assignment 6: Clock Skew warning
Ignore On Sun, Apr 5, 2020 at 16:46 Nicholas Fung <ncf...@sfu.ca> wrote: Attempting to compile
4/5/20
Nicholas Fung
,
Arrvindh Shriraman
2
4/4/20
Assignment 6: Invalid Input
https://www2.cs.sfu.ca/~ashriram/Courses/CS431/assets/img/hw6/ Arrvindh Shriraman Associate Professor
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Assignment 6: Invalid Input
https://www2.cs.sfu.ca/~ashriram/Courses/CS431/assets/img/hw6/ Arrvindh Shriraman Associate Professor
4/4/20
David Liu
, …
Arrvindh Shriraman
7
4/1/20
Assignment 6 - cmake issues
<<<<<<< HEAD cmake_minimum_required(VERSION 2.8) project(img2gpu) find_package(
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Assignment 6 - cmake issues
<<<<<<< HEAD cmake_minimum_required(VERSION 2.8) project(img2gpu) find_package(
4/1/20
Arrvindh Shriraman
3/30/20
Assignment 6 Errata
The images have been updated, as well as the reference output which was out of sync. Please follow
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Assignment 6 Errata
The images have been updated, as well as the reference output which was out of sync. Please follow
3/30/20
tz
3/30/20
Assignment 6 expected output
In the assignment webpage: $ ./build/img2gpu in.ppm in.pgm would it supposed to be $ ./build/img2gpu
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Assignment 6 expected output
In the assignment webpage: $ ./build/img2gpu in.ppm in.pgm would it supposed to be $ ./build/img2gpu
3/30/20
Jack Chen
,
Arrvindh Shriraman
4
3/29/20
Assignment 6 in.pgm and in.ppm files may be corrupt
https://www2.cs.sfu.ca/~ashriram/Courses/CS431/assets/img/hw6/in.pgm https://www2.cs.sfu.ca/~ashriram
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Assignment 6 in.pgm and in.ppm files may be corrupt
https://www2.cs.sfu.ca/~ashriram/Courses/CS431/assets/img/hw6/in.pgm https://www2.cs.sfu.ca/~ashriram
3/29/20
Andy Liu
,
Arrvindh Shriraman
2
3/28/20
Assignment 6 Cuda Threads
You distribute based on problem size (not CUDA cores). Thread blocks is 1D or 2D (limited by the
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Assignment 6 Cuda Threads
You distribute based on problem size (not CUDA cores). Thread blocks is 1D or 2D (limited by the
3/28/20
Arrvindh Shriraman
,
VJ
2
3/28/20
Assignment 5 extension
https://media2.giphy.com/media/TvFCUSiRUfeIU/giphy.gif On Friday, March 27, 2020 at 11:09:57 PM UTC-7
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Assignment 5 extension
https://media2.giphy.com/media/TvFCUSiRUfeIU/giphy.gif On Friday, March 27, 2020 at 11:09:57 PM UTC-7
3/28/20
dj olay
, …
Kevin Antonius
5
3/28/20
Unable to access sfuhome or cloud and Local Segfault issue.
Hi, No they didn't. They said the issue is most likely due to some mount or vault that I have,
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Unable to access sfuhome or cloud and Local Segfault issue.
Hi, No they didn't. They said the issue is most likely due to some mount or vault that I have,
3/28/20
Andy Liu
, …
Arrvindh Shriraman
6
3/27/20
Assignment 6 Connecting to CSIL Servers
Your account get locked every few minutes, most likely because your old credentials are saved
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Assignment 6 Connecting to CSIL Servers
Your account get locked every few minutes, most likely because your old credentials are saved
3/27/20
Khang Bùi
, …
Ivan Jonathan Hoo
6
3/27/20
Fail to hit ideal time for PageRankDynamic with high granularity
I eventually figured it out. It seems the performance problem comes from having conditional branch in
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Fail to hit ideal time for PageRankDynamic with high granularity
I eventually figured it out. It seems the performance problem comes from having conditional branch in
3/27/20
Arrvindh Shriraman
, …
PJ
5
3/27/20
Errata. Report.docx Assignment 5
So just to clarify, there is no longer a 1b to answer in the report but there is a 4b which relates
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Errata. Report.docx Assignment 5
So just to clarify, there is no longer a 1b to answer in the report but there is a 4b which relates
3/27/20
David Pham
,
Arrvindh Shriraman
2
3/26/20
Pagerank - Timetaken
Its all in; end-to-end. Not calculated by adding individual segments. Arrvindh Shriraman Associate
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Pagerank - Timetaken
Its all in; end-to-end. Not calculated by adding individual segments. Arrvindh Shriraman Associate
3/26/20
Ivan Jonathan Hoo
3/26/20
A5 - cloud-02 vscloud-04
Does it matter if we use cloud-02 instead of cloud-04 for the report or vice versa?
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A5 - cloud-02 vscloud-04
Does it matter if we use cloud-02 instead of cloud-04 for the report or vice versa?
3/26/20