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Message Passing Interface (MPI) : MPI_Gather example

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by

Mandar Gurav

in MPI

This post talks about Reduction operation in MPI using MPI_Gather. MPI_Gather is a collective operation in the Message Passing Interface (MPI) used to collect data from multiple processes and combine it into a single process. Syntax for MPI_Gather int MPI_Gather(const…
Message Passing Interface (MPI) : MPI_Scatter example

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by

Mandar Gurav

in MPI

This post talks about an MPI function – MPI_Scatter. MPI_Scatter is a collective operation in the Message Passing Interface (MPI) used in parallel programming. It takes data from a process and distributes chunks to others in a communicator. Syntax for…
Message Passing Interface (MPI) : MPI_Reduce example

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by

Mandar Gurav

in MPI

This post talks about Reduction operation in MPI using MPI_Reduce. In reduction operation, each process contributes its local data, and these values are aggregated according to the specified operation such as summation, finding the maximum, or custom-defined functions. Syntax for…
Message Passing Interface (MPI) : MPI_Bcast example

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by

Mandar Gurav

in MPI

This post talks about a MPI Broadcast function – MPI_Bcast. Broadcast operation is used to send data from one process to all other processes within a communicator. Every process receives the same data. Syntax for MPI_Bcast int MPI_Bcast(void *buffer, int…
Nvidia Nsight Systems : Profiling for CUDA code

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by

Mandar Gurav

in CUDA, Profiling Tools

In this post we will look at steps involved in profiling of the CUDA code using Nvidia Nsight Systems. Let’s take a simple code which performs some array operations. To compile this code, we can use following command. Please note…

Welcome!

Message Passing Interface (MPI) : MPI_Gather example

Message Passing Interface (MPI) : MPI_Scatter example

Message Passing Interface (MPI) : MPI_Reduce example

Message Passing Interface (MPI) : MPI_Bcast example

Nvidia Nsight Systems : Profiling for CUDA code