Package Details: opencl-amd 19.30.855429-1

Git Clone URL: (read-only)
Package Base: opencl-amd
Description: OpenCL userspace driver as provided in the amdgpu-pro driver stack. This package is intended to work along with the free amdgpu stack.
Upstream URL:
Keywords: amd amdgpu computing gpgpu opencl radeon
Licenses: custom:AMD
Conflicts: amdgpocl
Provides: opencl-driver
Submitter: grmat
Maintainer: grmat
Last Packager: grmat
Votes: 71
Popularity: 4.963420
First Submitted: 2016-12-01 03:45
Last Updated: 2019-08-16 22:02

Required by (25)

Sources (1)

Latest Comments

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grmat commented on 2017-11-03 00:54

This package is providing the older opencl runtime, running on the graphics stack with amdgpu and libdrm. If you want to runn the ROCm stack, you should look into that or the packages that leidola provides in the AUR.

cmdline parameters clearly have nothing to do with this package, as we're not touching kernel modules at all. The amdgpu.vm_fragment_size parameter will be introduced in kernel 4.14. If you need this, you'll have to build the current RC, something out of AMD's branches or use the -pro module.

1llum1n4t3d commented on 2017-11-03 00:12

Also need to put "amdgpu.vm_fragment_size=9" in 'GRUB_CMDLINE_LINUX_DEFAULT' or 'GRUB_CMDLINE_LINUX' for Arch Linux? Please respond.

grmat commented on 2017-11-03 00:01

Thanks for the notification, updated to 17.40

1llum1n4t3d commented on 2017-11-02 23:34

Please update! 17.40 is out! Also it have the blockchain compute fix! Read:

Enabling Large Page Support
The syntax of this module parameter is amdgpu.vm_fragment_size=X, where the actual fragment size is 4KB * 2^X. The default is X=4, which means 64KB. To get 2MB fragments, set X=9.

Edit /etc/default/grub as root and modify GRUB_CMDLINE_LINUX_DEFAULT in order to add "amdgpu.vm_fragment_size=9" (without the quotes). The line may look something like this after the change:
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash amdgpu.vm_fragment_size=9"
Update grub and reboot as root:

laichiaheng commented on 2017-10-31 18:15

==> Validating source files with sha256sums...
amdgpu-pro-17.30-465504.tar.xz ... FAILED
==> ERROR: One or more files did not pass the validity check!
==> ERROR: Makepkg was unable to build opencl-amd.

ywecur commented on 2017-10-23 21:36

I think there's a bug, but I'm not quite sure what the cause is. Neither ethminer nor Claymore will launch unless there's an active X session running. They will both say that no OpenCL devices were found.

darkbasic commented on 2017-10-21 13:23

GPU_FORCE_64BIT_PTR=1 was enough for me (HD7950)

difron commented on 2017-10-21 13:13

It works on SI if set

export GPU_FORCE_64BIT_PTR=1
export GPU_MAX_HEAP_SIZE=100

found here

grmat commented on 2017-09-28 23:14

@darkbasic: I don't think so. SI was not initially planned for AMDGPU. You can try the AMD mainline kernel as suggested in the thread, but I'm not sure if it will work.

darkbasic commented on 2017-09-27 23:44

Is it supposed to work on SI?