From 5117e7e647d2f380a883661571e441ce603220a9 Mon Sep 17 00:00:00 2001
From: Matt Turner <mattst88@gmail.com>
Date: Mon, 12 May 2008 19:55:21 +0000
Subject: import testsuite

git-svn-id: svn://mattst88.com/svn/alpha_mmintrin/trunk@3 f7d56953-e76f-4e43-a77e-20d50f6c004e
---
 testsuite/minuw4.c | 108 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 108 insertions(+)
 create mode 100644 testsuite/minuw4.c

(limited to 'testsuite/minuw4.c')

diff --git a/testsuite/minuw4.c b/testsuite/minuw4.c
new file mode 100644
index 0000000..205d32e
--- /dev/null
+++ b/testsuite/minuw4.c
@@ -0,0 +1,108 @@
+#include <stdio.h>
+#include <stdint.h>
+#include <string.h>
+#include <time.h>
+
+#include "../alpha_mmintrin.h"
+#include "minmax.h"
+
+#define ITERATIONS 10000
+
+int main(int argc, char ** argv[]) {
+	static uint64_t a[512], b[512];
+	static uint64_t c[512] = {0}, d[512] = {0};
+
+	uint64_t l64_0, l64_1, l64_2;
+	uint64_t *a64, *b64, *c64, *d64;
+
+	uint64_t start, end, overhead;
+	uint64_t simd_total = 0, no_simd_total = 0;
+
+	uint16_t l16_0, l16_1, l16_2, l16_3, l16_4, l16_5, l16_6, l16_7, l16_8, l16_9, l16_10, l16_11, l16_12;
+	uint16_t *a16, *b16, *c16;
+
+	uint8_t l8_0, l8_1, l8_2;
+	uint8_t *a8, *b8, *c8;
+
+	int i, j;
+
+	start = __rpcc();
+	end = __rpcc();
+	overhead = end - start;
+
+	srand(time(NULL));
+
+	a8 = (uint8_t *)a;
+	b8 = (uint8_t *)b;
+
+	for (i = 0; i < 4096; i++) {
+		*a8 = rand() % 255;
+		*b8 = rand() % 255;
+
+		a8++;
+		b8++;
+	}
+
+	for (j = 0; j < ITERATIONS; j++) {
+		a16 = (uint16_t *)a;
+		b16 = (uint16_t *)b;
+		c16 = (uint16_t *)c;
+
+		start = __rpcc();
+
+		for (i = 0; i < 2048; i++) {
+			l16_1 = *a16;
+			l16_2 = *b16;
+			l16_0 = MIN(l16_1, l16_2);
+			*c16 = l16_0;
+			a16++;
+			b16++;
+			c16++;
+		}
+		
+		end = __rpcc() - overhead;
+		no_simd_total += end - start;
+
+		memset(c, 4096, 0);
+	}
+
+	no_simd_total /= ITERATIONS;
+
+
+	for (j = 0; j < ITERATIONS; j++) {
+		a64 = a;
+		b64 = b;
+		d64 = d;
+
+		start = __rpcc();
+
+		for (i = 0; i < 512; i++) {
+			l64_1 = *a64;
+			l64_2 = *b64;
+
+			l64_0 = __minuw4(l64_1, l64_2);
+
+			*d64 = l64_0;
+
+			a64++;
+			b64++;
+			d64++;
+		}
+
+		end = __rpcc() - overhead;
+		simd_total += end - start;
+
+		memset(d, 4096, 0);
+	}
+
+	simd_total /= ITERATIONS;
+
+	if (memcmp(c, d, 4096) == 0) {
+		printf("%s:\n", argv[0]);
+		printf("    SIMD time: %9lu nanoseconds\nnon-SIMD time: %9lu nanoseconds\n", simd_total, no_simd_total);
+	} else {
+		puts("Final arrays are not equal. Something happened.");
+	}
+	
+	return 0;
+}
-- 
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