add openCL board detection
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frtabu
@@ -1,13 +1,32 @@
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/*! \file PHY/CODING/nrLDPC_decoder_LYC/nrLDPC_decoder_LYC.cu
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* \brief LDPC cuda support BG1 all length
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* \author NCTU OpinConnect Terng-Yin Hsu,WEI-YING,LIN
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* \email tyhsu@cs.nctu.edu.tw
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* \date 13-05-2020
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* \version
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* \note
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* \warning
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/*
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* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The OpenAirInterface Software Alliance licenses this file to You under
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* the OAI Public License, Version 1.0 (the "License"); you may not use this file
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* except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.openairinterface.org/?page_id=698
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*-------------------------------------------------------------------------------
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* For more information about the OpenAirInterface (OAI) Software Alliance:
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* contact@openairinterface.org
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*/
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/*! \file nrLDPC_decoder_CL.c
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* \brief ldpc decoder, openCL implementaion
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* \author
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* \date 2021
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* \version 1.0
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* @ingroup
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*/
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/* uses HW component id for log messages ( --log_config.hw_log_level <warning| info|debug|trace>) */
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#include <stdio.h>
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#include <unistd.h>
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#include <cuda_runtime.h>
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@@ -20,7 +39,7 @@
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#define MAX_ITERATION 2
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#define MC 1
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#define MAX_OCLDEV 10
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typedef struct{
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char x;
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@@ -28,13 +47,23 @@ typedef struct{
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short value;
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} h_element;
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typedef struct{
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cl_uint max_CU;
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cl_uint max_WID;
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size_t *max_WIS;
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cl_context context;
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cl_program program;
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cl_kernel kernel;
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cl_command_queue queue;
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} ocldev_t;
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typedef struct{
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ocldev_t ocldev[MAX_OCLDEV];
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} ocl_t;
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ocl_t ocl;
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void init_LLR_DMA(t_nrLDPC_dec_params* p_decParams, int8_t* p_llr, int8_t* p_out){
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@@ -57,26 +86,64 @@ void init_LLR_DMA(t_nrLDPC_dec_params* p_decParams, int8_t* p_llr, int8_t* p_out
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// cudaDeviceSynchronize();
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}
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cl_error_callback(const char* errinfo, const void* private_info, size_t cb, void* user_data) {
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LOG_E(HW,"OpenCL accelerator error %s\n", errinfo );
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}
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char *clutil_getstrdev(int intdev) {
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static char retstring[255]="";
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char *retptr=retstring;
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retptr+=sprintf(retptr,"0x%08x: ",(uint32_t)intdev);
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if (intdev & CL_DEVICE_TYPE_CPU)
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retptr+=sprintf(retptr,"%s","cpu ");
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if (intdev & CL_DEVICE_TYPE_GPU)
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retptr+=sprintf(retptr,"%s","gpu ");
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if (intdev & CL_DEVICE_TYPE_ACCELERATOR)
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retptr+=sprintf(retptr,"%s","acc ");
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return retstring;
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}
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/* from here: entry points in decoder shared lib */
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int ldpc_autoinit(void) { // called by the library loader
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cl_platform_id platforms[10];
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cl_int num_platforms_found;
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cl_uint num_platforms_found;
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cl_int rt = clGetPlatformIDs( sizeof(platforms)/sizeof(cl_platform_id), platforms, &num_platforms_found );
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cl_uint rt = clGetPlatformIDs( sizeof(platforms)/sizeof(cl_platform_id), platforms, &num_platforms_found );
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AssertFatal(rt == CL_SUCCESS, "clGetPlatformIDs error %d\n" , (int)rt);
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AssertFatal( num_platforms_found>0 , "clGetPlatformIDs: no cl compatible platform found\n");
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for (int i=0 ; i<(int)num_platforms_found ; i++) {
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char stringval[255];
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rt = clGetPlatformInfo(platforms[i],CL_PLATFORM_PROFILE, sizeof(stringval),stringval,NULL);
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AssertFatal(rt == CL_SUCCESS, "clGetPlatformInfo PROFILE error %d\n" , (int)rt);
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LOG_I(HW,"Platform %i, OpenCL profile %s\n", i,stringval );
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rt = clGetPlatformInfo(platforms[i],CL_PLATFORM_VERSION, sizeof(stringval),stringval,NULL);
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AssertFatal(rt == CL_SUCCESS, "clGetPlatformInfo VERSION error %d\n" , (int)rt);
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LOG_I(HW,"Platform %i, OpenCL version %s\n", i,stringval );
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cl_device_id devices[20];
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cl_int num_devices_found;
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cl_uint num_devices_found;
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rt = clGetDeviceIDs(platforms[i],CL_DEVICE_TYPE_ALL, sizeof(devices)/sizeof(cl_device_id),devices,&num_devices_found);
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AssertFatal(rt == CL_SUCCESS, "clGetDeviceIDs error %d\n" , (int)rt);
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for (int j=0; j<num_devices_found; j++) {
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cl_device_type devtype;
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cl_bool abool;
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rt = clGetDeviceInfo(devices[j],CL_DEVICE_AVAILABLE, sizeof(abool),&abool,NULL);
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AssertFatal(rt == CL_SUCCESS, "clGetDeviceInfo DEVICE_AVAILABLE error %d\n" , (int)rt);
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LOG_I(HW,"Device %i is %s available\n", j, (abool==CL_TRUE?"":"not"));
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cl_device_type devtype;
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rt = clGetDeviceInfo(devices[j],CL_DEVICE_TYPE, sizeof(cl_device_type),&devtype,NULL);
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AssertFatal(rt == CL_SUCCESS, "clGetDeviceInfo error %d\n" , (int)rt);
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LOG_I(HW,"Device %i, type %d\n", j,(int)devtype);
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AssertFatal(rt == CL_SUCCESS, "clGetDeviceInfo DEVICE_TYPE error %d\n" , (int)rt);
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LOG_I(HW,"Device %i, type %d = %s\n", j,(int)devtype, clutil_getstrdev(devtype));
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rt = clGetDeviceInfo(devices[j],CL_DEVICE_MAX_COMPUTE_UNITS,sizeof(ocl.ocldev[j].max_CU),&(ocl.ocldev[j].max_CU),NULL);
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AssertFatal(rt == CL_SUCCESS, "clGetDeviceInfo MAX_COMPUTE_UNITS error %d\n" , (int)rt);
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LOG_I(HW,"Device %i, number of Compute Units: %d\n", j,ocl.ocldev[j].max_CU);
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rt = clGetDeviceInfo(devices[j],CL_DEVICE_MAX_WORK_ITEM_DIMENSIONS,sizeof(ocl.ocldev[j].max_WID),&(ocl.ocldev[j].max_WID),NULL);
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AssertFatal(rt == CL_SUCCESS, "clGetDeviceInfo MAX_WORK_ITEM_DIMENSIONS error %d\n" , (int)rt);
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LOG_I(HW,"Device %i, max Work Items dimension: %d\n", j,ocl.ocldev[j].max_WID);
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ocl.ocldev[j].max_WIS = (size_t *)malloc(ocl.ocldev[j].max_WID * sizeof(size_t));
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rt = clGetDeviceInfo(devices[j],CL_DEVICE_MAX_WORK_ITEM_SIZES,sizeof(ocl.ocldev[j].max_WID)*sizeof(size_t),ocl.ocldev[j].max_WIS,NULL);
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AssertFatal(rt == CL_SUCCESS, "clGetDeviceInfo MAX_WORK_ITEM_SIZES error %d\n" , (int)rt);
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for(int k=0; k<ocl.ocldev[j].max_WID;k++)
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LOG_I(HW,"Device %i, max Work Items size for dimension: %d %u\n", j,k,(uint32_t)ocl.ocldev[j].max_WIS[k]);
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}
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}
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return 0;
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