isa-l/erasure_code/gf_2vect_dot_prod_sse_test.c

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#include <stdio.h>
#include <stdlib.h>
#include <string.h>		// for memset, memcmp
#include "erasure_code.h"
#include "types.h"

#ifndef FUNCTION_UNDER_TEST
# define FUNCTION_UNDER_TEST gf_2vect_dot_prod_sse
#endif
#ifndef TEST_MIN_SIZE
# define TEST_MIN_SIZE  16
#endif

#define str(s) #s
#define xstr(s) str(s)

#define TEST_LEN 8192
#define TEST_SIZE (TEST_LEN/2)
#define TEST_MEM  TEST_SIZE
#define TEST_LOOPS 10000
#define TEST_TYPE_STR ""

#ifndef TEST_SOURCES
# define TEST_SOURCES  16
#endif
#ifndef RANDOMS
# define RANDOMS 20
#endif

#ifdef EC_ALIGNED_ADDR
// Define power of 2 range to check ptr, len alignment
# define PTR_ALIGN_CHK_B 0
# define LEN_ALIGN_CHK_B 0	// 0 for aligned only
#else
// Define power of 2 range to check ptr, len alignment
# define PTR_ALIGN_CHK_B 32
# define LEN_ALIGN_CHK_B 32	// 0 for aligned only
#endif

typedef unsigned char u8;

extern void FUNCTION_UNDER_TEST(int len, int vlen, unsigned char *gftbls,
				unsigned char **src, unsigned char **dest);

void dump(unsigned char *buf, int len)
{
	int i;
	for (i = 0; i < len;) {
		printf(" %2x", 0xff & buf[i++]);
		if (i % 32 == 0)
			printf("\n");
	}
	printf("\n");
}

void dump_matrix(unsigned char **s, int k, int m)
{
	int i, j;
	for (i = 0; i < k; i++) {
		for (j = 0; j < m; j++) {
			printf(" %2x", s[i][j]);
		}
		printf("\n");
	}
	printf("\n");
}

void dump_u8xu8(unsigned char *s, int k, int m)
{
	int i, j;
	for (i = 0; i < k; i++) {
		for (j = 0; j < m; j++) {
			printf(" %2x", 0xff & s[j + (i * m)]);
		}
		printf("\n");
	}
	printf("\n");
}

int main(int argc, char *argv[])
{
	int i, j, rtest, srcs;
	void *buf;
	u8 g1[TEST_SOURCES], g2[TEST_SOURCES], g_tbls[2 * TEST_SOURCES * 32];
	u8 *dest1, *dest2, *dest_ref1, *dest_ref2, *dest_ptrs[2];
	u8 *buffs[TEST_SOURCES];

	int align, size;
	unsigned char *efence_buffs[TEST_SOURCES];
	unsigned int offset;
	u8 *ubuffs[TEST_SOURCES];
	u8 *udest_ptrs[2];

	printf(xstr(FUNCTION_UNDER_TEST) ": %dx%d ", TEST_SOURCES, TEST_LEN);

	// Allocate the arrays
	for (i = 0; i < TEST_SOURCES; i++) {
		if (posix_memalign(&buf, 64, TEST_LEN)) {
			printf("alloc error: Fail");
			return -1;
		}
		buffs[i] = buf;
	}

	if (posix_memalign(&buf, 64, TEST_LEN)) {
		printf("alloc error: Fail");
		return -1;
	}
	dest1 = buf;

	if (posix_memalign(&buf, 64, TEST_LEN)) {
		printf("alloc error: Fail");
		return -1;
	}
	dest2 = buf;

	if (posix_memalign(&buf, 64, TEST_LEN)) {
		printf("alloc error: Fail");
		return -1;
	}
	dest_ref1 = buf;

	if (posix_memalign(&buf, 64, TEST_LEN)) {
		printf("alloc error: Fail");
		return -1;
	}
	dest_ref2 = buf;

	dest_ptrs[0] = dest1;
	dest_ptrs[1] = dest2;

	// Test of all zeros
	for (i = 0; i < TEST_SOURCES; i++)
		memset(buffs[i], 0, TEST_LEN);

	memset(dest1, 0, TEST_LEN);
	memset(dest2, 0, TEST_LEN);
	memset(dest_ref1, 0, TEST_LEN);
	memset(dest_ref2, 0, TEST_LEN);
	memset(g1, 2, TEST_SOURCES);
	memset(g2, 1, TEST_SOURCES);

	for (i = 0; i < TEST_SOURCES; i++) {
		gf_vect_mul_init(g1[i], &g_tbls[i * 32]);
		gf_vect_mul_init(g2[i], &g_tbls[32 * TEST_SOURCES + i * 32]);
	}

	gf_vect_dot_prod_base(TEST_LEN, TEST_SOURCES, &g_tbls[0], buffs, dest_ref1);
	gf_vect_dot_prod_base(TEST_LEN, TEST_SOURCES, &g_tbls[32 * TEST_SOURCES], buffs,
			      dest_ref2);

	FUNCTION_UNDER_TEST(TEST_LEN, TEST_SOURCES, g_tbls, buffs, dest_ptrs);

	if (0 != memcmp(dest_ref1, dest1, TEST_LEN)) {
		printf("Fail zero " xstr(FUNCTION_UNDER_TEST) " test1\n");
		dump_matrix(buffs, 5, TEST_SOURCES);
		printf("dprod_base:");
		dump(dest_ref1, 25);
		printf("dprod_dut:");
		dump(dest1, 25);
		return -1;
	}
	if (0 != memcmp(dest_ref2, dest2, TEST_LEN)) {
		printf("Fail zero " xstr(FUNCTION_UNDER_TEST) " test2\n");
		dump_matrix(buffs, 5, TEST_SOURCES);
		printf("dprod_base:");
		dump(dest_ref2, 25);
		printf("dprod_dut:");
		dump(dest2, 25);
		return -1;
	}

	putchar('.');

	// Rand data test

	for (rtest = 0; rtest < RANDOMS; rtest++) {
		for (i = 0; i < TEST_SOURCES; i++)
			for (j = 0; j < TEST_LEN; j++)
				buffs[i][j] = rand();

		for (i = 0; i < TEST_SOURCES; i++) {
			g1[i] = rand();
			g2[i] = rand();
		}

		for (i = 0; i < TEST_SOURCES; i++) {
			gf_vect_mul_init(g1[i], &g_tbls[i * 32]);
			gf_vect_mul_init(g2[i], &g_tbls[(32 * TEST_SOURCES) + (i * 32)]);
		}

		gf_vect_dot_prod_base(TEST_LEN, TEST_SOURCES, &g_tbls[0], buffs, dest_ref1);
		gf_vect_dot_prod_base(TEST_LEN, TEST_SOURCES, &g_tbls[32 * TEST_SOURCES],
				      buffs, dest_ref2);

		FUNCTION_UNDER_TEST(TEST_LEN, TEST_SOURCES, g_tbls, buffs, dest_ptrs);

		if (0 != memcmp(dest_ref1, dest1, TEST_LEN)) {
			printf("Fail rand " xstr(FUNCTION_UNDER_TEST) " test1 %d\n", rtest);
			dump_matrix(buffs, 5, TEST_SOURCES);
			printf("dprod_base:");
			dump(dest_ref1, 25);
			printf("dprod_dut:");
			dump(dest1, 25);
			return -1;
		}
		if (0 != memcmp(dest_ref2, dest2, TEST_LEN)) {
			printf("Fail rand " xstr(FUNCTION_UNDER_TEST) " test2 %d\n", rtest);
			dump_matrix(buffs, 5, TEST_SOURCES);
			printf("dprod_base:");
			dump(dest_ref2, 25);
			printf("dprod_dut:");
			dump(dest2, 25);
			return -1;
		}

		putchar('.');
	}

	// Rand data test with varied parameters
	for (rtest = 0; rtest < RANDOMS; rtest++) {
		for (srcs = TEST_SOURCES; srcs > 0; srcs--) {
			for (i = 0; i < srcs; i++)
				for (j = 0; j < TEST_LEN; j++)
					buffs[i][j] = rand();

			for (i = 0; i < srcs; i++) {
				g1[i] = rand();
				g2[i] = rand();
			}

			for (i = 0; i < srcs; i++) {
				gf_vect_mul_init(g1[i], &g_tbls[i * 32]);
				gf_vect_mul_init(g2[i], &g_tbls[(32 * srcs) + (i * 32)]);
			}

			gf_vect_dot_prod_base(TEST_LEN, srcs, &g_tbls[0], buffs, dest_ref1);
			gf_vect_dot_prod_base(TEST_LEN, srcs, &g_tbls[32 * srcs], buffs,
					      dest_ref2);

			FUNCTION_UNDER_TEST(TEST_LEN, srcs, g_tbls, buffs, dest_ptrs);

			if (0 != memcmp(dest_ref1, dest1, TEST_LEN)) {
				printf("Fail rand " xstr(FUNCTION_UNDER_TEST)
				       " test1 srcs=%d\n", srcs);
				dump_matrix(buffs, 5, TEST_SOURCES);
				printf("dprod_base:");
				dump(dest_ref1, 25);
				printf("dprod_dut:");
				dump(dest1, 25);
				return -1;
			}
			if (0 != memcmp(dest_ref2, dest2, TEST_LEN)) {
				printf("Fail rand " xstr(FUNCTION_UNDER_TEST)
				       " test2 srcs=%d\n", srcs);
				dump_matrix(buffs, 5, TEST_SOURCES);
				printf("dprod_base:");
				dump(dest_ref2, 25);
				printf("dprod_dut:");
				dump(dest2, 25);
				return -1;
			}

			putchar('.');
		}
	}

	// Run tests at end of buffer for Electric Fence
	align = (LEN_ALIGN_CHK_B != 0) ? 1 : 16;
	for (size = TEST_MIN_SIZE; size <= TEST_SIZE; size += align) {
		for (i = 0; i < TEST_SOURCES; i++)
			for (j = 0; j < TEST_LEN; j++)
				buffs[i][j] = rand();

		for (i = 0; i < TEST_SOURCES; i++)	// Line up TEST_SIZE from end
			efence_buffs[i] = buffs[i] + TEST_LEN - size;

		for (i = 0; i < TEST_SOURCES; i++) {
			g1[i] = rand();
			g2[i] = rand();
		}

		for (i = 0; i < TEST_SOURCES; i++) {
			gf_vect_mul_init(g1[i], &g_tbls[i * 32]);
			gf_vect_mul_init(g2[i], &g_tbls[(32 * TEST_SOURCES) + (i * 32)]);
		}

		gf_vect_dot_prod_base(size, TEST_SOURCES, &g_tbls[0], efence_buffs, dest_ref1);
		gf_vect_dot_prod_base(size, TEST_SOURCES, &g_tbls[32 * TEST_SOURCES],
				      efence_buffs, dest_ref2);

		FUNCTION_UNDER_TEST(size, TEST_SOURCES, g_tbls, efence_buffs, dest_ptrs);

		if (0 != memcmp(dest_ref1, dest1, size)) {
			printf("Fail rand " xstr(FUNCTION_UNDER_TEST) " test1 %d\n", rtest);
			dump_matrix(efence_buffs, 5, TEST_SOURCES);
			printf("dprod_base:");
			dump(dest_ref1, align);
			printf("dprod_dut:");
			dump(dest1, align);
			return -1;
		}

		if (0 != memcmp(dest_ref2, dest2, size)) {
			printf("Fail rand " xstr(FUNCTION_UNDER_TEST) " test2 %d\n", rtest);
			dump_matrix(efence_buffs, 5, TEST_SOURCES);
			printf("dprod_base:");
			dump(dest_ref2, align);
			printf("dprod_dut:");
			dump(dest2, align);
			return -1;
		}

		putchar('.');
	}

	// Test rand ptr alignment if available

	for (rtest = 0; rtest < RANDOMS; rtest++) {
		size = (TEST_LEN - PTR_ALIGN_CHK_B) & ~(TEST_MIN_SIZE - 1);
		srcs = rand() % TEST_SOURCES;
		if (srcs == 0)
			continue;

		offset = (PTR_ALIGN_CHK_B != 0) ? 1 : PTR_ALIGN_CHK_B;
		// Add random offsets
		for (i = 0; i < srcs; i++)
			ubuffs[i] = buffs[i] + (rand() & (PTR_ALIGN_CHK_B - offset));

		udest_ptrs[0] = dest1 + (rand() & (PTR_ALIGN_CHK_B - offset));
		udest_ptrs[1] = dest2 + (rand() & (PTR_ALIGN_CHK_B - offset));

		memset(dest1, 0, TEST_LEN);	// zero pad to check write-over
		memset(dest2, 0, TEST_LEN);

		for (i = 0; i < srcs; i++)
			for (j = 0; j < size; j++)
				ubuffs[i][j] = rand();

		for (i = 0; i < srcs; i++) {
			g1[i] = rand();
			g2[i] = rand();
		}

		for (i = 0; i < srcs; i++) {
			gf_vect_mul_init(g1[i], &g_tbls[i * 32]);
			gf_vect_mul_init(g2[i], &g_tbls[(32 * srcs) + (i * 32)]);
		}

		gf_vect_dot_prod_base(size, srcs, &g_tbls[0], ubuffs, dest_ref1);
		gf_vect_dot_prod_base(size, srcs, &g_tbls[32 * srcs], ubuffs, dest_ref2);

		FUNCTION_UNDER_TEST(size, srcs, g_tbls, ubuffs, udest_ptrs);

		if (memcmp(dest_ref1, udest_ptrs[0], size)) {
			printf("Fail rand " xstr(FUNCTION_UNDER_TEST) " test ualign srcs=%d\n",
			       srcs);
			dump_matrix(ubuffs, 5, TEST_SOURCES);
			printf("dprod_base:");
			dump(dest_ref1, 25);
			printf("dprod_dut:");
			dump(udest_ptrs[0], 25);
			return -1;
		}
		if (memcmp(dest_ref2, udest_ptrs[1], size)) {
			printf("Fail rand " xstr(FUNCTION_UNDER_TEST) " test ualign srcs=%d\n",
			       srcs);
			dump_matrix(ubuffs, 5, TEST_SOURCES);
			printf("dprod_base:");
			dump(dest_ref2, 25);
			printf("dprod_dut:");
			dump(udest_ptrs[1], 25);
			return -1;
		}
		// Confirm that padding around dests is unchanged
		memset(dest_ref1, 0, PTR_ALIGN_CHK_B);	// Make reference zero buff
		offset = udest_ptrs[0] - dest1;

		if (memcmp(dest1, dest_ref1, offset)) {
			printf("Fail rand ualign pad1 start\n");
			return -1;
		}
		if (memcmp(dest1 + offset + size, dest_ref1, PTR_ALIGN_CHK_B - offset)) {
			printf("Fail rand ualign pad1 end\n");
			return -1;
		}

		offset = udest_ptrs[1] - dest2;
		if (memcmp(dest2, dest_ref1, offset)) {
			printf("Fail rand ualign pad2 start\n");
			return -1;
		}
		if (memcmp(dest2 + offset + size, dest_ref1, PTR_ALIGN_CHK_B - offset)) {
			printf("Fail rand ualign pad2 end\n");
			return -1;
		}

		putchar('.');
	}

	// Test all size alignment
	align = (LEN_ALIGN_CHK_B != 0) ? 1 : 16;

	for (size = TEST_LEN; size >= TEST_MIN_SIZE; size -= align) {
		srcs = TEST_SOURCES;

		for (i = 0; i < srcs; i++)
			for (j = 0; j < size; j++)
				buffs[i][j] = rand();

		for (i = 0; i < srcs; i++) {
			g1[i] = rand();
			g2[i] = rand();
		}

		for (i = 0; i < srcs; i++) {
			gf_vect_mul_init(g1[i], &g_tbls[i * 32]);
			gf_vect_mul_init(g2[i], &g_tbls[(32 * srcs) + (i * 32)]);
		}

		gf_vect_dot_prod_base(size, srcs, &g_tbls[0], buffs, dest_ref1);
		gf_vect_dot_prod_base(size, srcs, &g_tbls[32 * srcs], buffs, dest_ref2);

		FUNCTION_UNDER_TEST(size, srcs, g_tbls, buffs, dest_ptrs);

		if (memcmp(dest_ref1, dest_ptrs[0], size)) {
			printf("Fail rand " xstr(FUNCTION_UNDER_TEST) " test ualign len=%d\n",
			       size);
			dump_matrix(buffs, 5, TEST_SOURCES);
			printf("dprod_base:");
			dump(dest_ref1, 25);
			printf("dprod_dut:");
			dump(dest_ptrs[0], 25);
			return -1;
		}
		if (memcmp(dest_ref2, dest_ptrs[1], size)) {
			printf("Fail rand " xstr(FUNCTION_UNDER_TEST) " test ualign len=%d\n",
			       size);
			dump_matrix(buffs, 5, TEST_SOURCES);
			printf("dprod_base:");
			dump(dest_ref2, 25);
			printf("dprod_dut:");
			dump(dest_ptrs[1], 25);
			return -1;
		}
	}

	printf("Pass\n");
	return 0;

}