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authorEric Love <ericlove@a1.Millennium.Berkeley.EDU>2014-02-20 11:53:19 -0800
committerEric Love <ericlove@a1.Millennium.Berkeley.EDU>2014-02-20 11:53:19 -0800
commitcbb31a7d840b4509c1aa17c57736dadfd612dc73 (patch)
treef47e049bae0d7c603e57625aa48cb556fdaf58ba
parentd9d10ada1e5ade369128c4fd12fcfe1693288eed (diff)
parent0661b47765081c710af3df66ec698aa58ff14d5d (diff)
downloadriscv-tests-cbb31a7d840b4509c1aa17c57736dadfd612dc73.zip
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Merge commit '0661b47765081c710af3df66ec698aa58ff14d5d'
-rw-r--r--benchmarks/sort/bmark.mk21
-rw-r--r--benchmarks/sort/dataset.h2055
-rw-r--r--benchmarks/sort/sort.c253
-rw-r--r--benchmarks/sort/sort.h53
-rwxr-xr-xbenchmarks/sort/sort_gendata.scala26
-rw-r--r--benchmarks/sort/sort_main.c93
6 files changed, 2501 insertions, 0 deletions
diff --git a/benchmarks/sort/bmark.mk b/benchmarks/sort/bmark.mk
new file mode 100644
index 0000000..1e76b68
--- /dev/null
+++ b/benchmarks/sort/bmark.mk
@@ -0,0 +1,21 @@
+
+sort_c_src = \
+ sort_main.c \
+ sort.c \
+ syscalls.c \
+
+sort_riscv_src = \
+ crt.S
+
+sort_c_objs = $(patsubst %.c, %.o, $(sort_c_src))
+sort_riscv_objs = $(patsubst %.S, %.o, $(sort_riscv_src))
+
+sort_host_bin = sort.host
+$(sort_host_bin): $(sort_c_src)
+ $(HOST_COMP) $^ -o $(sort_host_bin)
+
+sort_riscv_bin = sort.riscv
+$(sort_riscv_bin): $(sort_c_objs) $(sort_riscv_objs)
+ $(RISCV_LINK) $(sort_c_objs) $(sort_riscv_objs) -o $(sort_riscv_bin) $(RISCV_LINK_OPTS)
+
+junk += $(sort_c_objs) $(sort_riscv_objs) $(sort_host_bin) $(sort_riscv_bin)
diff --git a/benchmarks/sort/dataset.h b/benchmarks/sort/dataset.h
new file mode 100644
index 0000000..7bd40a1
--- /dev/null
+++ b/benchmarks/sort/dataset.h
@@ -0,0 +1,2055 @@
+#define DATA_SIZE_SORT 1024
+float input_data_sort[1024] = {
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+ 0.99609894,
+ 0.9984882
+};
+
diff --git a/benchmarks/sort/sort.c b/benchmarks/sort/sort.c
new file mode 100644
index 0000000..53e83c4
--- /dev/null
+++ b/benchmarks/sort/sort.c
@@ -0,0 +1,253 @@
+#include "sort.h"
+
+int
+n_squared_sort (float * value, int * index, int len)
+{
+ int i, j;
+
+ for (i = 0; i < len-1; i++)
+ {
+ for (j = 0; j < len-1; j++)
+ {
+ if (value[j] > value[j+1])
+ {
+ double val_tmp;
+ int idx_tmp;
+
+ val_tmp = value[j];
+ value[j] = value[j+1];
+ value[j+1] = val_tmp;
+
+ idx_tmp = index[j];
+ index[j] = index[j+1];
+ index[j+1] = idx_tmp;
+ }
+ }
+ }
+
+ return 0;
+}
+
+
+extern void* fake_malloc_radix(size_t size);
+
+int
+radix_sort_tuples (int * value, int * index, int len, int radix_bits)
+{
+ int i, j;
+ int max, min;
+ int numBuckets = 1 << radix_bits;
+ int bitMask = numBuckets - 1;
+ int denShift;
+
+ int * buckets = fake_malloc_radix ((numBuckets + 2) * sizeof(int));
+ int * copy1_value = fake_malloc_radix (sizeof(int) * len);
+ int * copy1_index = fake_malloc_radix (sizeof(int) * len);
+ int * copy2_value = fake_malloc_radix (sizeof(int) * len);
+ int * copy2_index = fake_malloc_radix (sizeof(int) * len);
+ int * tmp_value;
+ int * tmp_index;
+
+ max = value[0];
+ min = value[0];
+ for (i = 0; i < len; i++) {
+ copy1_value[i] = value[i];
+ copy1_index[i] = index[i];
+ if (max < value[i]) {
+ max = value[i];
+ }
+ if (min > value[i]) {
+ min = value[i];
+ }
+ }
+ min = -min;
+ max += min;
+
+ for (i = 0; i < len; i++)
+ {
+ copy1_value[i] += min;
+ }
+
+ denShift = 0;
+ for (i = 0; max != 0; max = max / numBuckets, i++)
+ {
+ for (j = 0; j < numBuckets + 2; j++)
+ {
+ buckets[j] = 0;
+ }
+
+ buckets += 2;
+
+ for (j = 0; j < len; j++)
+ {
+ int myBucket = (int) (((int) copy1_value[j]) >> denShift) & bitMask;
+ buckets[myBucket]++;
+ }
+
+ for (j = 1; j < numBuckets; j++)
+ {
+ buckets[j] += buckets[j-1];
+ }
+
+ buckets--;
+
+ for (j = 0; j < len; j++)
+ {
+ int myBucket = (int) (((int) copy1_value[j]) >> denShift) & bitMask;
+ int index = buckets[myBucket]++;
+ copy2_value[index] = copy1_value[j];
+ copy2_index[index] = copy1_index[j];
+ }
+
+ buckets--;
+ denShift += radix_bits;
+
+ tmp_value = copy1_value;
+ copy1_value = copy2_value;
+ copy2_value = tmp_value;
+
+ tmp_index = copy1_index;
+ copy1_index = copy2_index;
+ copy2_index = tmp_index;
+ }
+
+ max = copy1_value[0];
+ for (i = 0; i < len; i++) {
+ if (max < copy1_value[i]) {
+ max = copy1_value[i];
+ }
+ }
+
+ for (i = 0; i < len; i++)
+ {
+ copy1_value[i] -= min;
+ }
+
+ for (i = 0; i < len; i++)
+ {
+ value[i] = copy1_value[i];
+ index[i] = copy1_index[i];
+ }
+
+ return 0;
+}
+
+int
+insertion_sort (float * value, int * index, int len)
+{
+ int i;
+
+ for (i = 1; i < len; i++)
+ {
+ double current;
+ int cur_index;
+ int empty;
+
+ current = value[i];
+ cur_index = index[i];
+ empty = i;
+
+ while (empty > 0 && current < value[empty-1])
+ {
+ value[empty] = value[empty-1];
+ index[empty] = index[empty-1];
+ empty--;
+ }
+
+ value[empty] = current;
+ index[empty] = cur_index;
+ }
+
+ return 0;
+}
+
+
+int
+partition (float * array, int * index, int low, int high)
+{
+ int left, right, mid;
+ int pivot;
+ float cur;
+ int idx;
+
+ mid = (low + high) / 2;
+ left = low;
+ right = high;
+
+ /* choose pivot as median of 3: low, high, and mid */
+ if ((array[low] - array[mid]) * (array[high] - array[low]) >= 0)
+ pivot = low;
+ else if ((array[mid] - array[low]) * (array[high] - array[mid]) >= 0)
+ pivot = mid;
+ else
+ pivot = high;
+
+ /* store value,index at the pivot */
+ cur = array[pivot];
+ idx = index[pivot];
+
+ /* swap pivot with the first entry in the list */
+ array[pivot] = array[low];
+ array[low] = cur;
+
+ index[pivot] = array[pivot];
+ index[low] = idx;
+
+ /* the quicksort itself */
+ while (left < right)
+ {
+ while (array[left] <= cur && left < high)
+ left++;
+ while (array[right] > cur)
+ right--;
+ if (left < right)
+ {
+ float tmp_val;
+ int tmp_idx;
+
+ tmp_val = array[right];
+ array[right] = array[left];
+ array[left] = tmp_val;
+
+ tmp_idx = index[right];
+ index[right] = index[left];
+ index[left] = tmp_idx;
+ }
+ }
+
+ /* pivot was in low, but now moves into position at right */
+ array[low] = array[right];
+ array[right] = cur;
+
+ index[low] = index[right];
+ index[right] = idx;
+
+ return right;
+}
+
+
+int
+quicksort_inner (float * array, int * index, int low, int high)
+{
+ int pivot;
+ int length = high - low + 1;
+
+ if (high > low)
+ {
+ if (length > MAX_THRESH) {
+ pivot = partition (array, index, low, high);
+ quicksort_inner (array, index, low, pivot-1);
+ quicksort_inner (array, index, pivot+1, high);
+ }
+ }
+
+ return 0;
+}
+
+int quicksort (float * array, int * index, int len)
+{
+ quicksort_inner (array, index, 0, len-1);
+ insertion_sort (array, index, len);
+
+ return 0;
+}
diff --git a/benchmarks/sort/sort.h b/benchmarks/sort/sort.h
new file mode 100644
index 0000000..326d0de
--- /dev/null
+++ b/benchmarks/sort/sort.h
@@ -0,0 +1,53 @@
+#include <string.h>
+#include <stdint.h>
+#include <stdbool.h>
+
+#define FAKE_MALLOC_INIT(words, name) \
+ uint32_t heap_##name[words]; \
+ const size_t max_alloc_##name = (words) * sizeof(uint32_t); \
+ size_t cur_pos_##name; \
+ void* fake_malloc_##name( size_t size ) \
+ { \
+ static bool init = false; \
+ if(!init) { \
+ cur_pos_##name = 0; \
+ init = true; \
+ } \
+ if(cur_pos_##name < (words)) { \
+ void *ptr = (void*) &heap_##name[cur_pos_##name]; \
+ cur_pos_##name += size & ~((uint32_t)3) + 1; \
+ return ptr; \
+ } else { \
+ return NULL; \
+ } \
+ }
+
+
+
+#ifndef _TAV_SORT_H_
+#define _TAV_SORT_H_
+
+
+int
+n_squared_sort (float * value, int * index, int len);
+
+int
+radix_sort_tuples (int * value, int * index, int len, int radix_bits);
+
+int
+insertion_sort (float * value, int * index, int len);
+
+int
+quicksort (float * array, int * index, int len);
+
+/* This defines the length at quicksort switches to insertion sort */
+#ifndef MAX_THRESH
+#define MAX_THRESH 10
+#endif
+
+#ifndef RADIX_BITS
+#define RADIX_BITS (8)
+#endif
+
+
+#endif /* _TAV_SORT_H_ */
diff --git a/benchmarks/sort/sort_gendata.scala b/benchmarks/sort/sort_gendata.scala
new file mode 100755
index 0000000..820dbc8
--- /dev/null
+++ b/benchmarks/sort/sort_gendata.scala
@@ -0,0 +1,26 @@
+#!/usr/bin/env scala
+
+import scala.util.Sorting
+
+val size = args(0).toInt
+
+def rand_array(size: Int) = {
+ var r = new scala.util.Random
+ Array.fill(size) { r.nextFloat() }
+}
+
+def print_array(name: String, size: Int, arr: Array[Float]) {
+ println("float "+name+"["+size+"] = {")
+ for(i <- 0 to size-2)
+ println(" "+arr(i)+",")
+ println(" "+arr(size-1)+"\n};\n")
+}
+
+println("#define DATA_SIZE_SORT " + size)
+
+val a = rand_array(size)
+val sorted = a.clone()
+Sorting.quickSort(sorted)
+
+print_array("input_data_sort", size, a)
+print_array("verify_data_sort", size, sorted)
diff --git a/benchmarks/sort/sort_main.c b/benchmarks/sort/sort_main.c
new file mode 100644
index 0000000..a4df38d
--- /dev/null
+++ b/benchmarks/sort/sort_main.c
@@ -0,0 +1,93 @@
+// ****************************************************************************
+// sort benchmark from DARPA PERFECT TAV suite
+// ----------------------------------------------------------------------------
+#include "sort.h"
+#include "util.h"
+#include "dataset.h"
+
+#define USE_RADIX_SORT
+
+// Need 7 times the input size for: input data, indices,
+// four copies, and buckets.
+FAKE_MALLOC_INIT( (8 * DATA_SIZE_SORT), radix )
+
+int main( int argc, char* argv[] )
+{
+ int err;
+
+ int* index = fake_malloc_radix (sizeof(int) * DATA_SIZE_SORT);
+ for ( int i = 0; i < DATA_SIZE_SORT; i++ )
+ index[i] = i;
+
+#ifdef PREALLOCATE
+ // Access every element of input_data_sort to make sure it's in cache
+ // (or at least that as much as possible of its beginning is).
+ float sum = 0;
+ for(int i = DATA_SIZE_SORT-1; i >= 0; i--) {
+ sum += input_data_sort[i];
+ }
+ if(sum < 0.1)
+ return 1;
+
+ const bool prealloc = true;
+#else
+ const bool prealloc = false;
+#endif
+
+ setStats(1);
+
+#define read_csr_safe(reg) ({ long __tmp = 0; \
+ asm volatile ("csrr %0, " #reg : "+r"(__tmp)); \
+ __tmp; })
+
+
+ long cycles = read_csr_safe(cycle);
+ long instret = read_csr_safe(instret);
+
+ // Do sorting
+#if defined(USE_N_SQUARED_SORT)
+ const char* algo = "N_SQUARED";
+ err = n_squared_sort ( input_data_sort, index, DATA_SIZE_SORT );
+#elif defined(USE_RADIX_SORT)
+ const char* algo = "RADIX";
+ err = radix_sort_tuples ( (int *) input_data_sort, index, DATA_SIZE_SORT, RADIX_BITS );
+#elif defined(USE_INSERTION_SORT)
+ const char* algo = "INSERTION";
+ err = insertion_sort ( input_data_sort, index, DATA_SIZE_SORT );
+#else
+ const char* algo = "QUICKSORT";
+ err = quicksort ( input_data_sort, index, DATA_SIZE_SORT );
+#endif
+
+ cycles = read_csr_safe(cycle) - cycles;
+ instret = read_csr_safe(instret) - instret;
+
+ setStats(0);
+
+ // Validate result
+ err = 0;
+ for(int i = 0; i < DATA_SIZE_SORT-1; i++)
+ {
+ if((unsigned int) input_data_sort[i] > (unsigned int) input_data_sort[i+1])
+ {
+ err = i;
+ for(int j = 0; j < DATA_SIZE_SORT; j++)
+ printf("%d:\t%d\n", j, input_data_sort[j]);
+ break;
+ }
+ }
+
+ /*printf("sort_cycles = %ld\n", cycles);
+ printf("sort_instret = %d\n", instret);
+ printf("sort_size = %d\n", DATA_SIZE_SORT);
+ printf("sort_algo = %s\n", algo);
+ printf("sort_radix_bits = %d\n", RADIX_BITS);
+ printf("sort_prealloc = %s\n", prealloc ? "true" : "false");
+ printf("sort_err = %d\n", err);
+ */
+
+ return err;
+}
+
+
+