Levelwise PageRank with Loop-Based Dead End Handling Strategy : SHORT REPORT ...Subhajit Sahu
Abstract — Levelwise PageRank is an alternative method of PageRank computation which decomposes the input graph into a directed acyclic block-graph of strongly connected components, and processes them in topological order, one level at a time. This enables calculation for ranks in a distributed fashion without per-iteration communication, unlike the standard method where all vertices are processed in each iteration. It however comes with a precondition of the absence of dead ends in the input graph. Here, the native non-distributed performance of Levelwise PageRank was compared against Monolithic PageRank on a CPU as well as a GPU. To ensure a fair comparison, Monolithic PageRank was also performed on a graph where vertices were split by components. Results indicate that Levelwise PageRank is about as fast as Monolithic PageRank on the CPU, but quite a bit slower on the GPU. Slowdown on the GPU is likely caused by a large submission of small workloads, and expected to be non-issue when the computation is performed on massive graphs.
Adjusting primitives for graph : SHORT REPORT / NOTESSubhajit Sahu
Graph algorithms, like PageRank Compressed Sparse Row (CSR) is an adjacency-list based graph representation that is
Multiply with different modes (map)
1. Performance of sequential execution based vs OpenMP based vector multiply.
2. Comparing various launch configs for CUDA based vector multiply.
Sum with different storage types (reduce)
1. Performance of vector element sum using float vs bfloat16 as the storage type.
Sum with different modes (reduce)
1. Performance of sequential execution based vs OpenMP based vector element sum.
2. Performance of memcpy vs in-place based CUDA based vector element sum.
3. Comparing various launch configs for CUDA based vector element sum (memcpy).
4. Comparing various launch configs for CUDA based vector element sum (in-place).
Sum with in-place strategies of CUDA mode (reduce)
1. Comparing various launch configs for CUDA based vector element sum (in-place).
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Empowering the Data Analytics Ecosystem: A Laser Focus on Value
The data analytics ecosystem thrives when every component functions at its peak, unlocking the true potential of data. Here's a laser focus on key areas for an empowered ecosystem:
1. Democratize Access, Not Data:
Granular Access Controls: Provide users with self-service tools tailored to their specific needs, preventing data overload and misuse.
Data Catalogs: Implement robust data catalogs for easy discovery and understanding of available data sources.
2. Foster Collaboration with Clear Roles:
Data Mesh Architecture: Break down data silos by creating a distributed data ownership model with clear ownership and responsibilities.
Collaborative Workspaces: Utilize interactive platforms where data scientists, analysts, and domain experts can work seamlessly together.
3. Leverage Advanced Analytics Strategically:
AI-powered Automation: Automate repetitive tasks like data cleaning and feature engineering, freeing up data talent for higher-level analysis.
Right-Tool Selection: Strategically choose the most effective advanced analytics techniques (e.g., AI, ML) based on specific business problems.
4. Prioritize Data Quality with Automation:
Automated Data Validation: Implement automated data quality checks to identify and rectify errors at the source, minimizing downstream issues.
Data Lineage Tracking: Track the flow of data throughout the ecosystem, ensuring transparency and facilitating root cause analysis for errors.
5. Cultivate a Data-Driven Mindset:
Metrics-Driven Performance Management: Align KPIs and performance metrics with data-driven insights to ensure actionable decision making.
Data Storytelling Workshops: Equip stakeholders with the skills to translate complex data findings into compelling narratives that drive action.
Benefits of a Precise Ecosystem:
Sharpened Focus: Precise access and clear roles ensure everyone works with the most relevant data, maximizing efficiency.
Actionable Insights: Strategic analytics and automated quality checks lead to more reliable and actionable data insights.
Continuous Improvement: Data-driven performance management fosters a culture of learning and continuous improvement.
Sustainable Growth: Empowered by data, organizations can make informed decisions to drive sustainable growth and innovation.
By focusing on these precise actions, organizations can create an empowered data analytics ecosystem that delivers real value by driving data-driven decisions and maximizing the return on their data investment.
2. Research
• For my research I looked at three different magazines on a magazine website called
issuu.com. I looked at how they clearly advertised themselves to their target audience. I
looked at some similarities and differences between the magazines so I understood how to
layout my magazine and what worked well on a magazine cover and double page spread. I
feel as though this helped my project as it gave me a greater understanding of what a
magazine should include and how to make a magazine that would sell to my target audience.
• I feel as though I could have looked at a few more magazines or at least a few more main
stream magazines so that I would have had a better understanding of what sells the best as a
magazine and what appeals more to the majority and general public. I think I could have
analysed the magazines I looked t a bit better by using arrows for each part of the magazine
so I knew I had covered everything and so it was clearer what I was talking about.
3. Planning
• For my initial plans I started off with a mind map of different ideas I had for my magazine. I
mind mapped three different ideas, Nature, Music and Film. I feel this really help me decide
what was the best idea for my magazine as I could see what I would be able to write the most
about. I then went to make an individual mind map for m final magazine idea which was a
film magazine. Here I narrowed it down to specific things I wanted in my magazine and what
the double page spread was going to be about. I also made a mood board to help me see
what I wanted my magazine to look like and I feel this really helped my final product.
• For my planning I also did some experiments where I made a practice cover and double page
spread so I had a rough idea of what my final product was going to look like. I feel this really
helped my production as I kept looking back at these for a guide on what I was doing. My
final product did stray from my plan but if gave me a good starting point.
• For my pre-production I created a style sheet with film posters and magazines and a colour
board so I had a rough idea of the sorts of colours I was wanting to involve. I then planned
the layout of my final product with the pictures from the style sheet which hi feel helped my
production as I could look at this for a reference of what I was doing.
4. Time Management
• I feel as though I managed my time very well in this project and everything ran very smoothly
and I finished my project on time and I feel as though I got it done to a good enough
standard. For my production I got all my pictures for my cover and double page spread in the
first few days of production so I did not have to worry about running out of time to get
pictures. Once I had all my picture I could just start making my magazine which at first I found
difficult but I eventually got used to the programs I was using and everything started to run
smoothly for my production and I got everything finished and exported for the hand in day.
• If I had more time for my production then I eel my magazine could have been made to a
better standard and I would have spent more time on getting the pictures for my magazine as
I would not have had to rush this stage as much with more time.
5. Technical Qualities
• Cover - When comparing my work to a professional film magazine I would say there are a few
similarities. For example the film that is the main subject of the magazine always covers majority of the
magazine cover and the title of the film is always clearly shown on the cover with the picture of the
actors. There are always cover lines linked to the main film and a few more linking to others that are
going to be talked about in the magazine. Some differences between my magazine and a professional
one would be that the mast head of the magazine isn’t cover on mine which is because my magazine
isn't an established brand that people know enough to know the name without all the letters being
clearly visible and the bar code being on the cover instead of being on the back pf the magazine.
• Double Page – When comparing my magazine to a professional magazine a similarity would be that they
both have pictures from moments in the film in the magazine when talking about the film and reviewing
it. A difference would be that the professional magazine has put its writing into more columns than I
have which makes it a bit more appealing to the eye than my magazine does. They have also spaced out
the writing so it doesn’t look like there is as much writing in their double page spread compared to
mine. I also feel as though I could have spread the
picture on my double page spread out more so that
they weren’t all on one side or have maybe added
one into the bottom left hand corner.
6. Aesthetic Qualities
• I feel as though my magazine looks good for the time I had to make it and the skills I have in
Photoshop. I feel as though I was creative with my magazine and tried new things and
pushed myself when doing this project. I am really pleased with how the cover has come out
with the effect of someone being trapped in the screen and how the text looks like it is also
in the screen with him. I also feel as though the effects for the picture on the double page
spread have come out really well with the spiral in the actors eyes on the smaller picture on
the page on the right. I feel as though I could improve the layout of my double page spread
and spread the text out more so it doesn’t look so text heavy and as much to read for the
viewer but I am very happy with the layout on the pictures on the double page spread. I feel
as though I could have used more of the space on the cover to add more cover lines or I
could have just made the text bigger so it is easier to read from a distance for if it is on
shelves at a store.
7. Audience Appeal
• I feel as though my product appeals to my target audience as it has a very similar layout and
design to professional magazines with the same target audience. The cover clearly shows
that the magazine is about film with the main picture on the cover and the cover lines show
this. I feel as though the blocky text on the cover will appeal to the audience as it is aimed at
an older audience so it doesn’t have to be super interesting to try and captivate someone like
a young child. I think I could have used more of the space on the cover and made the font of
the cover line text a bit more interesting as the font of this text is a bit too plain and would
grab the viewers attention at all.
Editor's Notes
What were the strengths of your research? How did your research help your product?
What were the weaknesses of your research? What could you have done better/improve? What effect would this have had on your product?
What were the strengths of your planning? How did your planning help your product?
What were the weaknesses of your planning? What could you have done better/improve? What effect would this have had on your product?
Did you manage your time well? Did you complete your project on time or would your products have improved with additional time?
What would you have done if you had more time to produce your work?
Compare your work to similar existing products and discuss the similarities and differences
Put your final piece(s) in the centre of a page alongside an existing product
Use text boxes and arrows
Does your work look good? Was it creative? What aspects of your game’s visuals do you like? What would you improve? How would you improve it?
Discuss the strengths and weaknesses
Put your final piece(s) in the centre of a page and analyse them
Use text boxes and arrows
How have you appealed to your target audience? What specific bits of content would appeal to your target audience.
Refer to your findings from your questionnaire.
Put your final piece(s) in the centre of a page and analyse them
Use text boxes and arrows