From 3de4b495fb176eba9a0eb517a4ce05903cb67acb Mon Sep 17 00:00:00 2001 From: Juan Gomez Luna Date: Wed, 16 Jun 2021 19:46:05 +0200 Subject: PrIM -- first commit --- VA/host/app.c | 222 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 222 insertions(+) create mode 100644 VA/host/app.c (limited to 'VA/host') diff --git a/VA/host/app.c b/VA/host/app.c new file mode 100644 index 0000000..c7c02f3 --- /dev/null +++ b/VA/host/app.c @@ -0,0 +1,222 @@ +/** +* app.c +* VA Host Application Source File +* +*/ +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "../support/common.h" +#include "../support/timer.h" +#include "../support/params.h" + +// Define the DPU Binary path as DPU_BINARY here +#ifndef DPU_BINARY +#define DPU_BINARY "./bin/dpu_code" +#endif + +#if ENERGY +#include +#endif + +// Pointer declaration +static T* A; +static T* B; +static T* C; +static T* C2; + +// Create input arrays +static void read_input(T* A, T* B, unsigned int nr_elements) { + srand(0); + printf("nr_elements\t%u\t", nr_elements); + for (unsigned int i = 0; i < nr_elements; i++) { + A[i] = (T) (rand()); + B[i] = (T) (rand()); + } +} + +// Compute output in the host +static void vector_addition_host(T* C, T* A, T* B, unsigned int nr_elements) { + for (unsigned int i = 0; i < nr_elements; i++) { + C[i] = A[i] + B[i]; + } +} + +// Main of the Host Application +int main(int argc, char **argv) { + + struct Params p = input_params(argc, argv); + + struct dpu_set_t dpu_set, dpu; + uint32_t nr_of_dpus; + +#if ENERGY + struct dpu_probe_t probe; + DPU_ASSERT(dpu_probe_init("energy_probe", &probe)); +#endif + + // Allocate DPUs and load binary + DPU_ASSERT(dpu_alloc(NR_DPUS, NULL, &dpu_set)); + DPU_ASSERT(dpu_load(dpu_set, DPU_BINARY, NULL)); + DPU_ASSERT(dpu_get_nr_dpus(dpu_set, &nr_of_dpus)); + printf("Allocated %d DPU(s)\n", nr_of_dpus); + unsigned int i = 0; + + const unsigned int input_size = p.exp == 0 ? p.input_size * nr_of_dpus : p.input_size; // Total input size (weak or strong scaling) + const unsigned int input_size_8bytes = + ((input_size * sizeof(T)) % 8) != 0 ? roundup(input_size, 8) : input_size; // Input size per DPU (max.), 8-byte aligned + const unsigned int input_size_dpu = divceil(input_size, nr_of_dpus); // Input size per DPU (max.) + const unsigned int input_size_dpu_8bytes = + ((input_size_dpu * sizeof(T)) % 8) != 0 ? roundup(input_size_dpu, 8) : input_size_dpu; // Input size per DPU (max.), 8-byte aligned + + // Input/output allocation + A = malloc(input_size_dpu_8bytes * nr_of_dpus * sizeof(T)); + B = malloc(input_size_dpu_8bytes * nr_of_dpus * sizeof(T)); + C = malloc(input_size_dpu_8bytes * nr_of_dpus * sizeof(T)); + C2 = malloc(input_size_dpu_8bytes * nr_of_dpus * sizeof(T)); + T *bufferA = A; + T *bufferB = B; + T *bufferC = C2; + + // Create an input file with arbitrary data + read_input(A, B, input_size); + + // Timer declaration + Timer timer; + + printf("NR_TASKLETS\t%d\tBL\t%d\n", NR_TASKLETS, BL); + + // Loop over main kernel + for(int rep = 0; rep < p.n_warmup + p.n_reps; rep++) { + + // Compute output on CPU (performance comparison and verification purposes) + if(rep >= p.n_warmup) + start(&timer, 0, rep - p.n_warmup); + vector_addition_host(C, A, B, input_size); + if(rep >= p.n_warmup) + stop(&timer, 0); + + printf("Load input data\n"); + if(rep >= p.n_warmup) + start(&timer, 1, rep - p.n_warmup); + // Input arguments + unsigned int kernel = 0; + dpu_arguments_t input_arguments[NR_DPUS]; + for(i=0; i= p.n_warmup) + stop(&timer, 1); + + printf("Run program on DPU(s) \n"); + // Run DPU kernel + if(rep >= p.n_warmup) { + start(&timer, 2, rep - p.n_warmup); + #if ENERGY + DPU_ASSERT(dpu_probe_start(&probe)); + #endif + } + DPU_ASSERT(dpu_launch(dpu_set, DPU_SYNCHRONOUS)); + if(rep >= p.n_warmup) { + stop(&timer, 2); + #if ENERGY + DPU_ASSERT(dpu_probe_stop(&probe)); + #endif + } + +#if PRINT + { + unsigned int each_dpu = 0; + printf("Display DPU Logs\n"); + DPU_FOREACH (dpu_set, dpu) { + printf("DPU#%d:\n", each_dpu); + DPU_ASSERT(dpulog_read_for_dpu(dpu.dpu, stdout)); + each_dpu++; + } + } +#endif + + printf("Retrieve results\n"); + if(rep >= p.n_warmup) + start(&timer, 3, rep - p.n_warmup); + i = 0; + // PARALLEL RETRIEVE TRANSFER + DPU_FOREACH(dpu_set, dpu, i) { + DPU_ASSERT(dpu_prepare_xfer(dpu, bufferC + input_size_dpu_8bytes * i)); + } + DPU_ASSERT(dpu_push_xfer(dpu_set, DPU_XFER_FROM_DPU, DPU_MRAM_HEAP_POINTER_NAME, input_size_dpu_8bytes * sizeof(T), input_size_dpu_8bytes * sizeof(T), DPU_XFER_DEFAULT)); + if(rep >= p.n_warmup) + stop(&timer, 3); + + } + + // Print timing results + printf("CPU "); + print(&timer, 0, p.n_reps); + printf("CPU-DPU "); + print(&timer, 1, p.n_reps); + printf("DPU Kernel "); + print(&timer, 2, p.n_reps); + printf("DPU-CPU "); + print(&timer, 3, p.n_reps); + +#if ENERGY + double energy; + DPU_ASSERT(dpu_probe_get(&probe, DPU_ENERGY, DPU_AVERAGE, &energy)); + printf("DPU Energy (J): %f\t", energy); +#endif + + // Check output + bool status = true; + for (i = 0; i < input_size; i++) { + if(C[i] != bufferC[i]){ + status = false; +#if PRINT + printf("%d: %u -- %u\n", i, C[i], bufferC[i]); +#endif + } + } + if (status) { + printf("[" ANSI_COLOR_GREEN "OK" ANSI_COLOR_RESET "] Outputs are equal\n"); + } else { + printf("[" ANSI_COLOR_RED "ERROR" ANSI_COLOR_RESET "] Outputs differ!\n"); + } + + // Deallocation + free(A); + free(B); + free(C); + free(C2); + DPU_ASSERT(dpu_free(dpu_set)); + + return status ? 0 : -1; +} -- cgit v1.2.3