CLCREATEUSEREVENT(3clc)

📦
version 1.0~svn33624 · 3 versions
, in ubuntu jammy, ubuntu noble

✨ CLCREATEUSEREVENT ✨

okay bestie, gather round, because today we're talking about CLCREATEUSEREVENT from the OpenCL Manual (that's the 3clc corner of the world, iykyk) 💖

This one is genuinely so useful if you're doing the whole async-command thing. Let's get into it.

🎀 NAME 🎀

clCreateUserEvent — literally just creates a user event object. That's the whole job. She's simple, she's iconic, she serves. 💅

cl_event clCreateUserEvent(cl_context context, cl_int *errcode_ret);

🦋 PARAMETERS 🦋

  • context — a valid OpenCL context, used to create the user event object. Gotta be a real one, no fake ones allowed bestie 🫶
  • errcode_ret — returns an appropriate error code. And listen, if errcode_ret is NULL, then no error code is returned. That's it, that's the deal. 🙈

💅 NOTES 💅

User events are the moment, fr fr. They let applications enqueue commands that wait on a user event to finish before the command is executed by the device. So you get to be the one calling the shots on when things move. main character energy honestly 👑

The execution status of the user event object created is set to CL_SUBMITTED. Periodt. ✨

🔥 ERRORS 🔥

Returns a valid non-zero buffer object and errcode_ret is set to CL_SUCCESS if the user event object is created successfully. Otherwise? It returns a NULL value with one of the following error values returned in errcode_ret:

  • CL_INVALID_CONTEXT if context is not a valid context. (bestie. please. give her a real context 😭)
  • CL_OUT_OF_RESOURCES if there is a failure to allocate resources required by the OpenCL implementation on the device. 💀
  • CL_OUT_OF_HOST_MEMORY if there is a failure to allocate resources required by the OpenCL implementation on the host. 😭
lowkey if you're seeing these two out-of-resources ones, that's a whole vibe check failure on the resource front. not your fave moment.

🌈 SPECIFICATION 🌈

OpenCL Specification[1]

👑 SEE ALSO 👑

go read that one too, bestie, it's giving lore 🧚

🫶 AUTHORS 🫶

The Khronos Group

Copyright © 2007-2011 The Khronos Group Inc.

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and/or associated documentation files (the "Materials"), to deal in the Materials without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Materials, and to permit persons to whom the Materials are furnished to do so, subject to the condition that this copyright notice and permission notice shall be included in all copies or substantial portions of the Materials.

🌸 NOTES 🌸

(no fr there's a second NOTES section, this is the footnote one, stay with me 🍓)

  1. OpenCL Specification — page 178, section 5.9 - Event Objects

and that's the whole page, bestie!! 🎀 this little icon came to you courtesy of The Khronos Group, dated 01/14/2021, and yes she's filed under CLCREATEUSEREVENT(3clc). slay, go forth and create your events 💖✨🦋

📦 where this page comes from