The only thing I could manage so far, something related to the new GRA.

https://www.arc.vt.edu/2018/08/new-arc-cluster-huckleberry/

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# Recent bit of writing

# Run SPEC CPU2017 benchmarks through any Pintool

# The Next SoC Design

# Doubly Compressed Sparse Columns

# Compressed Storage Rows/Columns Format

# Hermitian Operators and Commutation

# Projection Operators, Norm, Resolution of the Identity

# Operators/functions and functionals

# Density Fitting Overview Part 1

# Matrix Multiplication in Coupled Cluster

The only thing I could manage so far, something related to the new GRA.

https://www.arc.vt.edu/2018/08/new-arc-cluster-huckleberry/

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We developed a cache model for prefetching for our computer architecture course. We had to run address traces for a real application through the model to see if the prefetcher worked. These addresses traces were generated with the Pintool pinatrace on SPEC CPU2017 benchmark software. Detailed here is a short overview of an easy way to use Pintool with SPEC CPU2017 benchmarking suite.

This was my paper for a Design of Systems on Chip course.

Code here and presentation here : dcsc_presentation.

Here is a presentation I made to explain how CSR works step-by-step. And the code here.

According to quantum postulates, every physical property (position, momentum, energy from classical physics) has a quantum mechanical operator. We saw how linear operators work in this post on operators and some stuff in this post.Read More »

We left off at this equation in the last post.

A linear operator is of the form . Assume operator operating on polynomial which is a function of . Hence, . We’ve seen this before. The significance of this example is that the answer is still a function of x.

We’ve been trying to get high-local electron correlation methods with low-order scaling of computational cost which is a function of molecular size. Read More »

Electronic structure theory deals in tensor quantities. Matrices are a special type of tensor, and matrix multiplication is a special type of tensor contraction. In the practical implementation of coupled cluster theory, we store amplitudes are stored in matrix form where we use compound row and col indices ij and cd respectively. This storage scheme is often called a supermatrix.