Hi Andreas;
> Does clinfo work? Yes, no problem with clinfo: $ clinfo Number of platforms 1 Platform Name NVIDIA CUDA Platform Vendor NVIDIA Corporation Platform Version OpenCL 3.0 CUDA 12.0.139 Platform Profile FULL_PROFILE Platform Extensions cl_khr_global_int32_base_atomics cl_khr_global_int32_extended_atomics cl_khr_local_int32_base_atomics cl_khr_local_int32_extended_atomics cl_khr_fp64 cl_khr_3d_image_writes cl_khr_byte_addressable_store cl_khr_icd cl_khr_gl_sharing cl_nv_compiler_options cl_nv_device_attribute_query cl_nv_pragma_unroll cl_nv_copy_opts cl_khr_gl_event cl_nv_create_buffer cl_khr_int64_base_atomics cl_khr_int64_extended_atomics cl_nv_kernel_attribute cl_khr_device_uuid cl_khr_pci_bus_info cl_khr_external_semaphore cl_khr_external_memory cl_khr_external_semaphore_opaque_fd cl_khr_external_memory_opaque_fd Platform Extensions with Version cl_khr_global_int32_base_atomics 0x400000 (1.0.0) cl_khr_global_int32_extended_atomics 0x400000 (1.0.0) cl_khr_local_int32_base_atomics 0x400000 (1.0.0) cl_khr_local_int32_extended_atomics 0x400000 (1.0.0) cl_khr_fp64 0x400000 (1.0.0) cl_khr_3d_image_writes 0x400000 (1.0.0) cl_khr_byte_addressable_store 0x400000 (1.0.0) cl_khr_icd 0x400000 (1.0.0) cl_khr_gl_sharing 0x400000 (1.0.0) cl_nv_compiler_options 0x400000 (1.0.0) cl_nv_device_attribute_query 0x400000 (1.0.0) cl_nv_pragma_unroll 0x400000 (1.0.0) cl_nv_copy_opts 0x400000 (1.0.0) cl_khr_gl_event 0x400000 (1.0.0) cl_nv_create_buffer 0x400000 (1.0.0) cl_khr_int64_base_atomics 0x400000 (1.0.0) cl_khr_int64_extended_atomics 0x400000 (1.0.0) cl_nv_kernel_attribute 0x400000 (1.0.0) cl_khr_device_uuid 0x400000 (1.0.0) cl_khr_pci_bus_info 0x400000 (1.0.0) cl_khr_external_semaphore 0x9000 (0.9.0) cl_khr_external_memory 0x9000 (0.9.0) cl_khr_external_semaphore_opaque_fd 0x9000 (0.9.0) cl_khr_external_memory_opaque_fd 0x9000 (0.9.0) Platform Numeric Version 0xc00000 (3.0.0) Platform Extensions function suffix NV Platform Host timer resolution 0ns Platform External memory handle types Opaque FD Platform External semaphore import types Opaque FD Platform External semaphore export types Opaque FD Platform Name NVIDIA CUDA Number of devices 1 Device Name Quadro T1000 Device Vendor NVIDIA Corporation Device Vendor ID 0x10de Device Version OpenCL 3.0 CUDA Device UUID acba1b3a-c3af-4662-d17f-ed215bf60c4d Driver UUID acba1b3a-c3af-4662-d17f-ed215bf60c4d Valid Device LUID No Device LUID 6d69-637300000000 Device Node Mask 0 Device Numeric Version 0xc00000 (3.0.0) Driver Version 525.85.12 Device OpenCL C Version OpenCL C 1.2 Device OpenCL C all versions OpenCL C 0x400000 (1.0.0) OpenCL C 0x401000 (1.1.0) OpenCL C 0x402000 (1.2.0) OpenCL C 0xc00000 (3.0.0) Device OpenCL C features __opencl_c_fp64 0xc00000 (3.0.0) __opencl_c_images 0xc00000 (3.0.0) __opencl_c_int64 0xc00000 (3.0.0) __opencl_c_3d_image_writes 0xc00000 (3.0.0) Latest conformance test passed v2022-10-05-00 Device Type GPU Device Topology (NV) PCI-E, 0000:01:00.0 Device PCI bus info (KHR) PCI-E, 0000:01:00.0 Device Profile FULL_PROFILE Device Available Yes Compiler Available Yes Linker Available Yes Max compute units 14 Max clock frequency 1725MHz Compute Capability (NV) 7.5 Device Partition (core) Max number of sub-devices 1 Supported partition types None Supported affinity domains (n/a) Max work item dimensions 3 Max work item sizes 1024x1024x64 Max work group size 1024 Preferred work group size multiple (device) 32 === CL_PROGRAM_BUILD_LOG === Preferred work group size multiple (kernel) <getWGsizes:1980: create kernel : error -45> Warp size (NV) 32 Max sub-groups per work group 0 Preferred / native vector sizes char 1 / 1 short 1 / 1 int 1 / 1 long 1 / 1 half 0 / 0 (n/a) float 1 / 1 double 1 / 1 (cl_khr_fp64) Half-precision Floating-point support (n/a) Single-precision Floating-point support (core) Denormals Yes Infinity and NANs Yes Round to nearest Yes Round to zero Yes Round to infinity Yes IEEE754-2008 fused multiply-add Yes Support is emulated in software No Correctly-rounded divide and sqrt operations Yes Double-precision Floating-point support (cl_khr_fp64) Denormals Yes Infinity and NANs Yes Round to nearest Yes Round to zero Yes Round to infinity Yes IEEE754-2008 fused multiply-add Yes Support is emulated in software No Address bits 64, Little-Endian External memory handle types Opaque FD External semaphore import types Opaque FD External semaphore export types Opaque FD Global memory size 4084924416 (3.804GiB) Error Correction support No Max memory allocation 1021231104 (973.9MiB) Unified memory for Host and Device No Integrated memory (NV) No Shared Virtual Memory (SVM) capabilities (core) Coarse-grained buffer sharing Yes Fine-grained buffer sharing No Fine-grained system sharing No Atomics No Minimum alignment for any data type 128 bytes Alignment of base address 4096 bits (512 bytes) Preferred alignment for atomics SVM 0 bytes Global 0 bytes Local 0 bytes Atomic memory capabilities relaxed, work-group scope Atomic fence capabilities relaxed, acquire/release, work-group scope Max size for global variable 0 Preferred total size of global vars 0 Global Memory cache type Read/Write Global Memory cache size 458752 (448KiB) Global Memory cache line size 128 bytes Image support Yes Max number of samplers per kernel 32 Max size for 1D images from buffer 268435456 pixels Max 1D or 2D image array size 2048 images Base address alignment for 2D image buffers 0 bytes Pitch alignment for 2D image buffers 0 pixels Max 2D image size 32768x32768 pixels Max 3D image size 16384x16384x16384 pixels Max number of read image args 256 Max number of write image args 32 Max number of read/write image args 0 Pipe support No Max number of pipe args 0 Max active pipe reservations 0 Max pipe packet size 0 Local memory type Local Local memory size 49152 (48KiB) Registers per block (NV) 65536 Max number of constant args 9 Max constant buffer size 65536 (64KiB) Generic address space support No Max size of kernel argument 4352 (4.25KiB) Queue properties (on host) Out-of-order execution Yes Profiling Yes Device enqueue capabilities (n/a) Queue properties (on device) Out-of-order execution No Profiling No Preferred size 0 Max size 0 Max queues on device 0 Max events on device 0 Prefer user sync for interop No Profiling timer resolution 1000ns Execution capabilities Run OpenCL kernels Yes Run native kernels No Non-uniform work-groups No Work-group collective functions No Sub-group independent forward progress No Kernel execution timeout (NV) Yes Concurrent copy and kernel execution (NV) Yes Number of async copy engines 3 IL version (n/a) ILs with version (n/a) printf() buffer size 1048576 (1024KiB) Built-in kernels (n/a) Built-in kernels with version (n/a) Device Extensions cl_khr_global_int32_base_atomics cl_khr_global_int32_extended_atomics cl_khr_local_int32_base_atomics cl_khr_local_int32_extended_atomics cl_khr_fp64 cl_khr_3d_image_writes cl_khr_byte_addressable_store cl_khr_icd cl_khr_gl_sharing cl_nv_compiler_options cl_nv_device_attribute_query cl_nv_pragma_unroll cl_nv_copy_opts cl_khr_gl_event cl_nv_create_buffer cl_khr_int64_base_atomics cl_khr_int64_extended_atomics cl_nv_kernel_attribute cl_khr_device_uuid cl_khr_pci_bus_info cl_khr_external_semaphore cl_khr_external_memory cl_khr_external_semaphore_opaque_fd cl_khr_external_memory_opaque_fd Device Extensions with Version cl_khr_global_int32_base_atomics 0x400000 (1.0.0) cl_khr_global_int32_extended_atomics 0x400000 (1.0.0) cl_khr_local_int32_base_atomics 0x400000 (1.0.0) cl_khr_local_int32_extended_atomics 0x400000 (1.0.0) cl_khr_fp64 0x400000 (1.0.0) cl_khr_3d_image_writes 0x400000 (1.0.0) cl_khr_byte_addressable_store 0x400000 (1.0.0) cl_khr_icd 0x400000 (1.0.0) cl_khr_gl_sharing 0x400000 (1.0.0) cl_nv_compiler_options 0x400000 (1.0.0) cl_nv_device_attribute_query 0x400000 (1.0.0) cl_nv_pragma_unroll 0x400000 (1.0.0) cl_nv_copy_opts 0x400000 (1.0.0) cl_khr_gl_event 0x400000 (1.0.0) cl_nv_create_buffer 0x400000 (1.0.0) cl_khr_int64_base_atomics 0x400000 (1.0.0) cl_khr_int64_extended_atomics 0x400000 (1.0.0) cl_nv_kernel_attribute 0x400000 (1.0.0) cl_khr_device_uuid 0x400000 (1.0.0) cl_khr_pci_bus_info 0x400000 (1.0.0) cl_khr_external_semaphore 0x9000 (0.9.0) cl_khr_external_memory 0x9000 (0.9.0) cl_khr_external_semaphore_opaque_fd 0x9000 (0.9.0) cl_khr_external_memory_opaque_fd 0x9000 (0.9.0) NULL platform behavior clGetPlatformInfo(NULL, CL_PLATFORM_NAME, ...) NVIDIA CUDA clGetDeviceIDs(NULL, CL_DEVICE_TYPE_ALL, ...) Success [NV] clCreateContext(NULL, ...) [default] Success [NV] clCreateContextFromType(NULL, CL_DEVICE_TYPE_DEFAULT) No platform clCreateContextFromType(NULL, CL_DEVICE_TYPE_CPU) No devices found in platform clCreateContextFromType(NULL, CL_DEVICE_TYPE_GPU) No platform clCreateContextFromType(NULL, CL_DEVICE_TYPE_ACCELERATOR) No devices found in platform clCreateContextFromType(NULL, CL_DEVICE_TYPE_CUSTOM) Invalid device type for platform clCreateContextFromType(NULL, CL_DEVICE_TYPE_ALL) No platform ICD loader properties ICD loader Name OpenCL ICD Loader ICD loader Vendor OCL Icd free software ICD loader Version 2.3.1 ICD loader Profile OpenCL 3.0 So it seems that only the CL compiler is broken. Thanks, -- Pascal Obry / Magny Les Hameaux (78) The best way to travel is by means of imagination http://photos.obry.net gpg --keyserver keys.gnupg.net --recv-key F949BD3B