hipfftxtsetgpus Interface Reference

• hipfort_hipfft
• hipfftxtsetgpus

Public Member Functions | List of all members

hipfort_hipfft::hipfftxtsetgpus Interface Reference

Instructs hipFFT to use multiple GPUs for a plan. More...

Public Member Functions
integer(c_int) function	hipfftxtsetgpus_ (plan, count, gpus)
integer(kind(hipfft_success)) function	hipfftxtsetgpus_rank_0 (plan, count, gpus)
integer(kind(hipfft_success)) function	hipfftxtsetgpus_rank_1 (plan, count, gpus)

Detailed Description

Instructs hipFFT to use multiple GPUs for a plan.

This function must be called after the plan is allocated using hipfftCreate, but before the plan is initialized by any of the "MakePlan" functions. Therefore, API functions that combine creation and initialization (hipfftPlan1d, hipfftPlan2d, hipfftPlan3d, and hipfftPlanMany) cannot use multiple GPUs.

Note

The rocFFT backend currently requires all device IDs in the gpus array to be distinct.

Parameters

[in,out]	plan	- The FFT plan.
[in]	count	- Number of GPUs (length of the gpus array).
[in]	gpus	- Array of device IDs.

Warning

Experimental

Member Function/Subroutine Documentation

◆ hipfftxtsetgpus_()

integer(c_int) function hipfort_hipfft::hipfftxtsetgpus::hipfftxtsetgpus_	(	type(c_ptr), value	plan,
		integer(c_int), value	count,
		type(c_ptr), value	gpus
	)

◆ hipfftxtsetgpus_rank_0()

integer(kind(hipfft_success)) function hipfort_hipfft::hipfftxtsetgpus::hipfftxtsetgpus_rank_0	(	type(c_ptr), value	plan,
		integer(c_int)	count,
		integer(c_int), target	gpus
	)

◆ hipfftxtsetgpus_rank_1()

integer(kind(hipfft_success)) function hipfort_hipfft::hipfftxtsetgpus::hipfftxtsetgpus_rank_1	(	type(c_ptr), value	plan,
		integer(c_int)	count,
		integer(c_int), dimension(:), target	gpus
	)

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The documentation for this interface was generated from the following file:

• hipfort_hipfft.F90