Community Profile


Andrea Picciau

Last seen: 4 días ago


14 total contributions since 2017

Working on GPUs and Deep Learning @MathWorks.

The views expressed here are my own and do not necessarily reflect the views of my employer.

Andrea Picciau's Badges

  • 3 Month Streak
  • Knowledgeable Level 2
  • First Answer
  • Solver

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Large discrepency between CPU and GPU with fftn and ifftn?
Hi Nathan, The results differ for two related reasons: GPUs and CPUs have quite different architectures, the CPU and GPU algo...

4 meses ago | 0

Why is MATLAB gpuArray sparse matrix multiplication so fast despite using double precision?
Hello there! The correct way to time GPU operations is by using gputimeit. mvm_time = gputimeit(@() gpu_matrix*gpu_input, 1); ...

5 meses ago | 2

Alternatives to accumarray for faster calculations?
Hi Nathan, Accumulation operations require synchronisation and are never going to squeeze the best performance out of your GPU....

5 meses ago | 3

| accepted

How to run program on GPU
Hi Sania, If you're training your network, you need to set 'ExecutionEnvironment' to 'gpu' or 'multi-gpu' in trainingOptions. ...

10 meses ago | 0

| accepted

GeForce GTX 1080 TI "GPU acceleration using the Parallel Computing Toolbox"
Hi Khaled, It's going to be difficult for anyone to help without a crash dump. The best thing to do is to click on the button a...

11 meses ago | 1

Why is the gpuArray version of my code slower?
Hi Ariel, There are three problems with your script. Your code is doing a lot of for loops and indexing of gpuArray data, whic...

alrededor de 1 año ago | 1

GPU utilization and parallel computation With Matlab for heavy computation
I'll try to answer your questions in order... Yes! Isn't that great? Yes, because there are two problems with your code: (a) y...

alrededor de 1 año ago | 0

| accepted

Out of memory issue on evaluating CNNs
The problem is that your GPU's 6GB memory is not enough to execute the semantic segmentation with the default settings. Reducing...

alrededor de 1 año ago | 3

| accepted

Setting up desktop computer for remote computing
To do that, you'll need to have a MATLAB Parallel Server license. If you have it, you can install the MATLAB Job Scheduler on yo...

más de 1 año ago | 0

PARFOR Transparency violation error
The problem occurs in this line: syms tt Although the syms function is very handy for hacking symbolic math on your client mac...

más de 1 año ago | 3

| accepted

Running Code on GPU Seems much Slower than Doing so on CPU
You don't need to disable JIT acceleration. Rather, you need to measure using timeit and gputimeit like so: % CPU data a = one...

más de 1 año ago | 1

| accepted


When Was That Goal Scored?
We want to find out when the goals were scored in a particular soccer game. For each game, we are given a "Goal Event Data" XML ...

más de 2 años ago


Number of Even Elements in Fibonacci Sequence
Find how many even Fibonacci numbers are available in the first d numbers. Consider the following first 14 numbers 1 1 2...

casi 3 años ago


The 5th Root
Write a function to find the 5th root of a number. It sounds easy, but the typical functions are not allowed (see the test su...

casi 3 años ago