summaryrefslogtreecommitdiff
path: root/SCAN-RSS
diff options
context:
space:
mode:
authorBirte Kristina Friesel <birte.friesel@uos.de>2024-02-28 15:50:23 +0100
committerBirte Kristina Friesel <birte.friesel@uos.de>2024-02-28 15:50:23 +0100
commit7cd4b4bab00822b76801c8c5a7c8ba828e42babb (patch)
tree9caa97b1a19a9bb41c4028581af7bb742133518a /SCAN-RSS
parent5082fdb5983715282db926cbbc2e251c81a99fc5 (diff)
SCAN-RSS overhead
Diffstat (limited to 'SCAN-RSS')
-rw-r--r--SCAN-RSS/Makefile5
-rw-r--r--SCAN-RSS/host/app.c175
-rwxr-xr-xSCAN-RSS/support/timer.h6
3 files changed, 124 insertions, 62 deletions
diff --git a/SCAN-RSS/Makefile b/SCAN-RSS/Makefile
index 1216e14..f1975e8 100644
--- a/SCAN-RSS/Makefile
+++ b/SCAN-RSS/Makefile
@@ -4,13 +4,16 @@ BL ?= 10
TYPE ?= INT64
ENERGY ?= 0
UNROLL ?= 1
+WITH_ALLOC_OVERHEAD ?= 0
+WITH_LOAD_OVERHEAD ?= 0
+WITH_FREE_OVERHEAD ?= 0
COMMON_INCLUDES := support
HOST_SOURCES := $(wildcard host/*.c)
DPU_SOURCES := $(wildcard dpu/*.c)
COMMON_FLAGS := -Wall -Wextra -g -I${COMMON_INCLUDES} -DNR_TASKLETS=${NR_TASKLETS} -DNR_DPUS=${NR_DPUS} -DBL=${BL} -D${TYPE} -DUNROLL=${UNROLL}
-HOST_FLAGS := ${COMMON_FLAGS} -std=c11 -O3 `dpu-pkg-config --cflags --libs dpu` -DENERGY=${ENERGY}
+HOST_FLAGS := ${COMMON_FLAGS} -std=c11 -O3 `dpu-pkg-config --cflags --libs dpu` -DENERGY=${ENERGY} -DWITH_ALLOC_OVERHEAD=${WITH_ALLOC_OVERHEAD} -DWITH_LOAD_OVERHEAD=${WITH_LOAD_OVERHEAD} -DWITH_FREE_OVERHEAD=${WITH_FREE_OVERHEAD}
DPU_FLAGS := ${COMMON_FLAGS} -O2
QUIET = @
diff --git a/SCAN-RSS/host/app.c b/SCAN-RSS/host/app.c
index aba9a95..f4e37e9 100644
--- a/SCAN-RSS/host/app.c
+++ b/SCAN-RSS/host/app.c
@@ -67,48 +67,83 @@ int main(int argc, char **argv) {
DPU_ASSERT(dpu_probe_init("energy_probe", &probe));
#endif
+ printf("WITH_ALLOC_OVERHEAD=%d WITH_LOAD_OVERHEAD=%d WITH_FREE_OVERHEAD=%d\n", WITH_ALLOC_OVERHEAD, WITH_LOAD_OVERHEAD, WITH_FREE_OVERHEAD);
+
+ // Timer declaration
+ Timer timer;
+
// Allocate DPUs and load binary
+#if !WITH_ALLOC_OVERHEAD
DPU_ASSERT(dpu_alloc(NR_DPUS, NULL, &dpu_set));
+ timer.time[0] = 0; // alloc
+#endif
+#if !WITH_LOAD_OVERHEAD
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);
+ assert(nr_of_dpus == NR_DPUS);
+ timer.time[1] = 0; // load
+#endif
+#if !WITH_FREE_OVERHEAD
+ timer.time[6] = 0; // free
+#endif
unsigned int i = 0;
T accum = 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_dpu_ = divceil(input_size, nr_of_dpus); // Input size per DPU (max.)
+ const unsigned int input_size = p.exp == 0 ? p.input_size * NR_DPUS : p.input_size; // Total input size (weak or strong scaling)
+ const unsigned int input_size_dpu_ = divceil(input_size, NR_DPUS); // Input size per DPU (max.)
const unsigned int input_size_dpu_round =
(input_size_dpu_ % (NR_TASKLETS * REGS) != 0) ? roundup(input_size_dpu_, (NR_TASKLETS * REGS)) : input_size_dpu_; // Input size per DPU (max.), 8-byte aligned
// Input/output allocation
- A = malloc(input_size_dpu_round * nr_of_dpus * sizeof(T));
- C = malloc(input_size_dpu_round * nr_of_dpus * sizeof(T));
- C2 = malloc(input_size_dpu_round * nr_of_dpus * sizeof(T));
+ A = malloc(input_size_dpu_round * NR_DPUS * sizeof(T));
+ C = malloc(input_size_dpu_round * NR_DPUS * sizeof(T));
+ C2 = malloc(input_size_dpu_round * NR_DPUS * sizeof(T));
T *bufferA = A;
T *bufferC = C2;
// Create an input file with arbitrary data
- read_input(A, input_size, input_size_dpu_round * nr_of_dpus);
-
- // Timer declaration
- Timer timer;
+ read_input(A, input_size, input_size_dpu_round * NR_DPUS);
//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)
+#if WITH_ALLOC_OVERHEAD
+ if(rep >= p.n_warmup) {
start(&timer, 0, 0);
- scan_host(C, A, input_size);
- if(rep >= p.n_warmup)
+ }
+ DPU_ASSERT(dpu_alloc(NR_DPUS, NULL, &dpu_set));
+ if(rep >= p.n_warmup) {
stop(&timer, 0);
+ }
+#endif
+#if WITH_LOAD_OVERHEAD
+ if(rep >= p.n_warmup) {
+ start(&timer, 1, 0);
+ }
+ DPU_ASSERT(dpu_load(dpu_set, DPU_BINARY, NULL));
+ if(rep >= p.n_warmup) {
+ stop(&timer, 1);
+ }
+ DPU_ASSERT(dpu_get_nr_dpus(dpu_set, &nr_of_dpus));
+ assert(nr_of_dpus == NR_DPUS);
+#endif
+
+ // Compute output on CPU (performance comparison and verification purposes)
+ if(rep >= p.n_warmup) {
+ start(&timer, 2, 0);
+ }
+ scan_host(C, A, input_size);
+ if(rep >= p.n_warmup) {
+ stop(&timer, 2);
+ }
//printf("Load input data\n");
- if(rep >= p.n_warmup)
- start(&timer, 1, 0);
+ if(rep >= p.n_warmup) {
+ start(&timer, 3, 0);
+ }
// Input arguments
const unsigned int input_size_dpu = input_size_dpu_round;
unsigned int kernel = 0;
@@ -123,13 +158,14 @@ int main(int argc, char **argv) {
DPU_ASSERT(dpu_prepare_xfer(dpu, bufferA + input_size_dpu * i));
}
DPU_ASSERT(dpu_push_xfer(dpu_set, DPU_XFER_TO_DPU, DPU_MRAM_HEAP_POINTER_NAME, 0, input_size_dpu * sizeof(T), DPU_XFER_DEFAULT));
- if(rep >= p.n_warmup)
- stop(&timer, 1);
+ if(rep >= p.n_warmup) {
+ stop(&timer, 3);
+ }
//printf("Run program on DPU(s) \n");
// Run DPU kernel
if(rep >= p.n_warmup) {
- start(&timer, 2, 0);
+ start(&timer, 4, 0);
#if ENERGY
DPU_ASSERT(dpu_probe_start(&probe));
#endif
@@ -137,7 +173,7 @@ int main(int argc, char **argv) {
DPU_ASSERT(dpu_launch(dpu_set, DPU_SYNCHRONOUS));
if(rep >= p.n_warmup) {
- stop(&timer, 2);
+ stop(&timer, 4);
#if ENERGY
DPU_ASSERT(dpu_probe_stop(&probe));
#endif
@@ -160,9 +196,10 @@ int main(int argc, char **argv) {
T* results_scan = malloc(nr_of_dpus * sizeof(T));
i = 0;
accum = 0;
-
- if(rep >= p.n_warmup)
- start(&timer, 3, 0);
+
+ if(rep >= p.n_warmup) {
+ start(&timer, 5, 0);
+ }
// PARALLEL RETRIEVE TRANSFER
dpu_results_t* results_retrieve[nr_of_dpus];
@@ -200,20 +237,21 @@ int main(int argc, char **argv) {
DPU_ASSERT(dpu_prepare_xfer(dpu, &input_arguments_2[i]));
}
DPU_ASSERT(dpu_push_xfer(dpu_set, DPU_XFER_TO_DPU, "DPU_INPUT_ARGUMENTS", 0, sizeof(input_arguments_2[0]), DPU_XFER_DEFAULT));
- if(rep >= p.n_warmup)
- stop(&timer, 3);
+ if(rep >= p.n_warmup) {
+ stop(&timer, 5);
+ }
//printf("Run program on DPU(s) \n");
// Run DPU kernel
if(rep >= p.n_warmup) {
- start(&timer, 4, 0);
+ start(&timer, 6, 0);
#if ENERGY
DPU_ASSERT(dpu_probe_start(&probe));
#endif
}
DPU_ASSERT(dpu_launch(dpu_set, DPU_SYNCHRONOUS));
if(rep >= p.n_warmup) {
- stop(&timer, 4);
+ stop(&timer, 6);
#if ENERGY
DPU_ASSERT(dpu_probe_stop(&probe));
#endif
@@ -231,16 +269,32 @@ int main(int argc, char **argv) {
#endif
//printf("Retrieve results\n");
- if(rep >= p.n_warmup)
- start(&timer, 5, 0);
+ if(rep >= p.n_warmup) {
+ start(&timer, 7, 0);
+ }
i = 0;
// PARALLEL RETRIEVE TRANSFER
DPU_FOREACH(dpu_set, dpu, i) {
DPU_ASSERT(dpu_prepare_xfer(dpu, bufferC + input_size_dpu * i));
}
DPU_ASSERT(dpu_push_xfer(dpu_set, DPU_XFER_FROM_DPU, DPU_MRAM_HEAP_POINTER_NAME, input_size_dpu * sizeof(T), input_size_dpu * sizeof(T), DPU_XFER_DEFAULT));
- if(rep >= p.n_warmup)
- stop(&timer, 5);
+ if(rep >= p.n_warmup) {
+ stop(&timer, 7);
+ }
+
+#if WITH_ALLOC_OVERHEAD
+#if WITH_FREE_OVERHEAD
+ if(rep >= p.n_warmup) {
+ start(&timer, 8, 0);
+ }
+#endif
+ DPU_ASSERT(dpu_free(dpu_set));
+#if WITH_FREE_OVERHEAD
+ if(rep >= p.n_warmup) {
+ stop(&timer, 8);
+ }
+#endif
+#endif
// Free memory
free(results_scan);
@@ -257,38 +311,40 @@ int main(int argc, char **argv) {
}
if (status) {
printf("[" ANSI_COLOR_GREEN "OK" ANSI_COLOR_RESET "] Outputs are equal\n");
- printf("[::] SCAN-RSS NMC | n_dpus=%d n_tasklets=%d e_type=%s block_size_B=%d b_unroll=%d n_elements=%u "
- "| throughput_cpu_MBps=%f throughput_pim_MBps=%f throughput_MBps=%f",
- nr_of_dpus, NR_TASKLETS, XSTR(T), BLOCK_SIZE, UNROLL, input_size,
- input_size * sizeof(T) / timer.time[0],
- input_size * sizeof(T) / (timer.time[2] + timer.time[3] + timer.time[4]),
- input_size * sizeof(T) / (timer.time[1] + timer.time[2] + timer.time[3] + timer.time[4] + timer.time[5]));
- printf(" throughput_cpu_MOpps=%f throughput_pim_MOpps=%f throughput_MOpps=%f\n",
- input_size / timer.time[0],
- input_size / (timer.time[2] + timer.time[3] + timer.time[4]),
- input_size / (timer.time[1] + timer.time[2] + timer.time[3] + timer.time[4] + timer.time[5]));
- printall(&timer, 5);
+ printf("[::] SCAN-RSS UPMEM | n_dpus=%d n_tasklets=%d e_type=%s block_size_B=%d b_unroll=%d n_elements=%d ",
+ NR_DPUS, NR_TASKLETS, XSTR(T), BLOCK_SIZE, UNROLL, input_size);
+ printf("| latency_alloc_us=%f latency_load_us=%f latency_cpu_us=%f latency_write_us=%f latency_kernel_us=%f latency_sync_us=%f latency_read_us=%f latency_free_us=%f",
+ timer.time[0],
+ timer.time[1],
+ timer.time[2],
+ timer.time[3], // write
+ timer.time[4] + timer.time[6], // kernel
+ timer.time[5], // sync
+ timer.time[7], // read
+ timer.time[8]);
+ printf(" throughput_cpu_MBps=%f throughput_upmem_kernel_MBps=%f throughput_upmem_total_MBps=%f",
+ input_size * sizeof(T) / timer.time[2],
+ input_size * sizeof(T) / (timer.time[4] + timer.time[5] + timer.time[6]),
+ input_size * sizeof(T) / (timer.time[0] + timer.time[1] + timer.time[3] + timer.time[4] + timer.time[5] + timer.time[6] + timer.time[7] + timer.time[8]));
+ printf(" throughput_upmem_s_MBps=%f throughput_upmem_wxsxr_MBps=%f throughput_upmem_lwxsxr_MBps=%f throughput_upmem_alwxsxr_MBps=%f",
+ input_size * sizeof(T) / (timer.time[5]),
+ input_size * sizeof(T) / (timer.time[3] + timer.time[4] + timer.time[5] + timer.time[6] + timer.time[7]),
+ input_size * sizeof(T) / (timer.time[1] + timer.time[3] + timer.time[4] + timer.time[5] + timer.time[6] + timer.time[7]),
+ input_size * sizeof(T) / (timer.time[0] + timer.time[1] + timer.time[3] + timer.time[4] + timer.time[5] + timer.time[6] + timer.time[7]));
+ printf(" throughput_cpu_MOpps=%f throughput_upmem_kernel_MOpps=%f throughput_upmem_total_MOpps=%f",
+ input_size / timer.time[2],
+ input_size / (timer.time[4] + timer.time[5] + timer.time[6]),
+ input_size / (timer.time[0] + timer.time[1] + timer.time[3] + timer.time[4] + timer.time[5] + timer.time[6] + timer.time[7] + timer.time[8]));
+ printf(" throughput_upmem_s_MOpps=%f throughput_upmem_wxr_MOpps=%f throughput_upmem_lwxr_MOpps=%f throughput_upmem_alwxr_MOpps=%f\n",
+ input_size / (timer.time[5]),
+ input_size / (timer.time[3] + timer.time[4] + timer.time[5] + timer.time[6] + timer.time[7]),
+ input_size / (timer.time[1] + timer.time[3] + timer.time[4] + timer.time[5] + timer.time[6] + timer.time[7]),
+ input_size / (timer.time[0] + timer.time[1] + timer.time[3] + timer.time[4] + timer.time[5] + timer.time[6] + timer.time[7]));
} else {
printf("[" ANSI_COLOR_RED "ERROR" ANSI_COLOR_RESET "] Outputs differ!\n");
}
}
- // Print timing results
- /*
- printf("CPU ");
- print(&timer, 0, p.n_reps);
- printf("CPU-DPU ");
- print(&timer, 1, p.n_reps);
- printf("DPU Kernel Reduction ");
- print(&timer, 2, p.n_reps);
- printf("Inter-DPU (Scan) ");
- print(&timer, 3, p.n_reps);
- printf("DPU Kernel Scan ");
- print(&timer, 4, p.n_reps);
- printf("DPU-CPU ");
- print(&timer, 5, p.n_reps);
- */
-
#if ENERGY
double energy;
DPU_ASSERT(dpu_probe_get(&probe, DPU_ENERGY, DPU_AVERAGE, &energy));
@@ -301,7 +357,10 @@ int main(int argc, char **argv) {
free(A);
free(C);
free(C2);
+
+#if !WITH_ALLOC_OVERHEAD
DPU_ASSERT(dpu_free(dpu_set));
+#endif
return 0;
}
diff --git a/SCAN-RSS/support/timer.h b/SCAN-RSS/support/timer.h
index 4d597b9..3ec6d87 100755
--- a/SCAN-RSS/support/timer.h
+++ b/SCAN-RSS/support/timer.h
@@ -37,9 +37,9 @@
typedef struct Timer{
- struct timeval startTime[7];
- struct timeval stopTime[7];
- double time[7];
+ struct timeval startTime[9];
+ struct timeval stopTime[9];
+ double time[9];
}Timer;