MPI_T_CATEGORY_GET_NUM(3)

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version 5.0.10 · 7 versions
, in ubuntu stonking

💅 MPI_T_CATEGORY_GET_NUM(3) 💅

okay bestie, welcome to the Open MPI manual page for MPI_T_category_get_num — yes the title is giving very much all-caps screaming but it's fine, it's just the vibe of man pages, iykyk ✨

🌸 NAME 🌸

MPI_T_category_get_num — lowkey just queries the number of categories 🎀

✨ SYNTAX ✨

🦋 C Syntax 🦋

#include <mpi.h>

int MPI_T_category_get_num(int *num_cat)

like, that's it. that's the whole thing. short king. 👑

💖 OUTPUT PARAMETERS 💖

  • num_cat — the current number of categories, fr fr. it gets written out through this pointer 🫶

🌈 DESCRIPTION 🌈

so bestie, MPI_T_category_get_num is the function you call when you need to know the current number of categories. that's literally it. it queries, you receive a number, you move on with your iconic life 💅

😭 ERRORS 😭

MPI_T_category_get_num will fail if:

  • MPI_T_ERR_NOT_INITIALIZED — the MPI Tools interface is not initialized 💀 like bestie you gotta init it first, it's giving "showed up to the party before it started"

2003-2026, The Open MPI Community

and that's the whole page bestie!! 🎀✨ this was Open MPI's MPI_T_CATEGORY_GET_NUM(3), dated Sep 10, 2026 — go query those categories, slay, periodt 💖🦋💅

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