isa-l/erasure_code/gf_vect_mad_test.c

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

#ifndef ALIGN_SIZE
# define ALIGN_SIZE 32
#endif

#ifndef FUNCTION_UNDER_TEST
//By default, test multi-binary version
# define FUNCTION_UNDER_TEST gf_vect_mad
# define REF_FUNCTION gf_vect_dot_prod
# define VECT 1
#endif

#ifndef TEST_MIN_SIZE
# define TEST_MIN_SIZE 64
#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 20000
#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 ALIGN_SIZE
# define LEN_ALIGN_CHK_B ALIGN_SIZE	// 0 for aligned only
#endif

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

typedef unsigned char u8;

#if (VECT == 1)
# define LAST_ARG *dest
#else
# define LAST_ARG **dest
#endif

extern void FUNCTION_UNDER_TEST(int len, int vec, int vec_i, unsigned char *gftbls,
				unsigned char *src, unsigned char LAST_ARG);
extern void REF_FUNCTION(int len, int vlen, unsigned char *gftbls, unsigned char **src,
			 unsigned char LAST_ARG);

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 gf[6][TEST_SOURCES];
	u8 *g_tbls;
	u8 *dest_ref[VECT];
	u8 *dest_ptrs[VECT], *buffs[TEST_SOURCES];
	int vector = VECT;

	int align, size;
	unsigned char *efence_buffs[TEST_SOURCES];
	unsigned int offset;
	u8 *ubuffs[TEST_SOURCES];
	u8 *udest_ptrs[VECT];
	printf("test" 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, 16, 2 * (vector * TEST_SOURCES * 32))) {
		printf("alloc error: Fail");
		return -1;
	}
	g_tbls = buf;

	for (i = 0; i < vector; i++) {
		if (posix_memalign(&buf, 64, TEST_LEN)) {
			printf("alloc error: Fail");
			return -1;
		}
		dest_ptrs[i] = buf;
		memset(dest_ptrs[i], 0, TEST_LEN);
	}

	for (i = 0; i < vector; i++) {
		if (posix_memalign(&buf, 64, TEST_LEN)) {
			printf("alloc error: Fail");
			return -1;
		}
		dest_ref[i] = buf;
		memset(dest_ref[i], 0, TEST_LEN);
	}

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

	switch (vector) {
	case 6:
		memset(gf[5], 0xe6, TEST_SOURCES);
	case 5:
		memset(gf[4], 4, TEST_SOURCES);
	case 4:
		memset(gf[3], 9, TEST_SOURCES);
	case 3:
		memset(gf[2], 7, TEST_SOURCES);
	case 2:
		memset(gf[1], 1, TEST_SOURCES);
	case 1:
		memset(gf[0], 2, TEST_SOURCES);
		break;
	default:
		return -1;
	}

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

	for (i = 0; i < vector; i++)
		for (j = 0; j < TEST_SOURCES; j++) {
			gf[i][j] = rand();
			gf_vect_mul_init(gf[i][j], &g_tbls[i * (32 * TEST_SOURCES) + j * 32]);
		}

	for (i = 0; i < vector; i++)
		gf_vect_dot_prod_base(TEST_LEN, TEST_SOURCES, &g_tbls[i * 32 * TEST_SOURCES],
				      buffs, dest_ref[i]);

	for (i = 0; i < vector; i++)
		memset(dest_ptrs[i], 0, TEST_LEN);
	for (i = 0; i < TEST_SOURCES; i++) {
#if (VECT == 1)
		FUNCTION_UNDER_TEST(TEST_LEN, TEST_SOURCES, i, g_tbls, buffs[i], *dest_ptrs);
#else
		FUNCTION_UNDER_TEST(TEST_LEN, TEST_SOURCES, i, g_tbls, buffs[i], dest_ptrs);
#endif
	}
	for (i = 0; i < vector; i++) {
		if (0 != memcmp(dest_ref[i], dest_ptrs[i], TEST_LEN)) {
			printf("Fail zero " xstr(FUNCTION_UNDER_TEST) " test%d\n", i);
			dump_matrix(buffs, vector, TEST_SOURCES);
			printf("dprod_base:");
			dump(dest_ref[i], 25);
			printf("dprod_dut:");
			dump(dest_ptrs[i], 25);
			return -1;
		}
	}

#if (VECT == 1)
	REF_FUNCTION(TEST_LEN, TEST_SOURCES, g_tbls, buffs, *dest_ref);
#else
	REF_FUNCTION(TEST_LEN, TEST_SOURCES, g_tbls, buffs, dest_ref);
#endif
	for (i = 0; i < vector; i++) {
		if (0 != memcmp(dest_ref[i], dest_ptrs[i], TEST_LEN)) {
			printf("Fail zero " xstr(FUNCTION_UNDER_TEST) " test%d\n", i);
			dump_matrix(buffs, vector, TEST_SOURCES);
			printf("dprod_base:");
			dump(dest_ref[i], 25);
			printf("dprod_dut:");
			dump(dest_ptrs[i], 25);
			return -1;
		}
	}

#ifdef TEST_VERBOSE
	putchar('.');
#endif

	// 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 < vector; i++)
			for (j = 0; j < TEST_SOURCES; j++) {
				gf[i][j] = rand();
				gf_vect_mul_init(gf[i][j],
						 &g_tbls[i * (32 * TEST_SOURCES) + j * 32]);
			}

		for (i = 0; i < vector; i++)
			gf_vect_dot_prod_base(TEST_LEN, TEST_SOURCES,
					      &g_tbls[i * 32 * TEST_SOURCES], buffs,
					      dest_ref[i]);

		for (i = 0; i < vector; i++)
			memset(dest_ptrs[i], 0, TEST_LEN);
		for (i = 0; i < TEST_SOURCES; i++) {
#if (VECT == 1)
			FUNCTION_UNDER_TEST(TEST_LEN, TEST_SOURCES, i, g_tbls, buffs[i],
					    *dest_ptrs);
#else
			FUNCTION_UNDER_TEST(TEST_LEN, TEST_SOURCES, i, g_tbls, buffs[i],
					    dest_ptrs);
#endif
		}
		for (i = 0; i < vector; i++) {
			if (0 != memcmp(dest_ref[i], dest_ptrs[i], TEST_LEN)) {
				printf("Fail rand " xstr(FUNCTION_UNDER_TEST) " test%d %d\n",
				       i, rtest);
				dump_matrix(buffs, vector, TEST_SOURCES);
				printf("dprod_base:");
				dump(dest_ref[i], 25);
				printf("dprod_dut:");
				dump(dest_ptrs[i], 25);
				return -1;
			}
		}

#ifdef TEST_VERBOSE
		putchar('.');
#endif
	}

	// 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 < vector; i++)
				for (j = 0; j < srcs; j++) {
					gf[i][j] = rand();
					gf_vect_mul_init(gf[i][j],
							 &g_tbls[i * (32 * srcs) + j * 32]);
				}

			for (i = 0; i < vector; i++)
				gf_vect_dot_prod_base(TEST_LEN, srcs, &g_tbls[i * 32 * srcs],
						      buffs, dest_ref[i]);

			for (i = 0; i < vector; i++)
				memset(dest_ptrs[i], 0, TEST_LEN);
			for (i = 0; i < srcs; i++) {
#if (VECT == 1)
				FUNCTION_UNDER_TEST(TEST_LEN, srcs, i, g_tbls, buffs[i],
						    *dest_ptrs);
#else
				FUNCTION_UNDER_TEST(TEST_LEN, srcs, i, g_tbls, buffs[i],
						    dest_ptrs);
#endif

			}
			for (i = 0; i < vector; i++) {
				if (0 != memcmp(dest_ref[i], dest_ptrs[i], TEST_LEN)) {
					printf("Fail rand " xstr(FUNCTION_UNDER_TEST)
					       " test%d srcs=%d\n", i, srcs);
					dump_matrix(buffs, vector, TEST_SOURCES);
					printf("dprod_base:");
					dump(dest_ref[i], 25);
					printf("dprod_dut:");
					dump(dest_ptrs[i], 25);
					return -1;
				}
			}

#ifdef TEST_VERBOSE
			putchar('.');
#endif
		}
	}

	// Run tests at end of buffer for Electric Fence
	align = (LEN_ALIGN_CHK_B != 0) ? 1 : ALIGN_SIZE;
	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 < vector; i++)
			for (j = 0; j < TEST_SOURCES; j++) {
				gf[i][j] = rand();
				gf_vect_mul_init(gf[i][j],
						 &g_tbls[i * (32 * TEST_SOURCES) + j * 32]);
			}

		for (i = 0; i < vector; i++)
			gf_vect_dot_prod_base(size, TEST_SOURCES,
					      &g_tbls[i * 32 * TEST_SOURCES], efence_buffs,
					      dest_ref[i]);

		for (i = 0; i < vector; i++)
			memset(dest_ptrs[i], 0, size);
		for (i = 0; i < TEST_SOURCES; i++) {
#if (VECT == 1)
			FUNCTION_UNDER_TEST(size, TEST_SOURCES, i, g_tbls, efence_buffs[i],
					    *dest_ptrs);
#else
			FUNCTION_UNDER_TEST(size, TEST_SOURCES, i, g_tbls, efence_buffs[i],
					    dest_ptrs);
#endif
		}
		for (i = 0; i < vector; i++) {
			if (0 != memcmp(dest_ref[i], dest_ptrs[i], size)) {
				printf("Fail rand " xstr(FUNCTION_UNDER_TEST)
				       " test%d size=%d\n", i, size);
				dump_matrix(buffs, vector, TEST_SOURCES);
				printf("dprod_base:");
				dump(dest_ref[i], TEST_MIN_SIZE + align);
				printf("dprod_dut:");
				dump(dest_ptrs[i], TEST_MIN_SIZE + align);
				return -1;
			}
		}

#ifdef TEST_VERBOSE
		putchar('.');
#endif
	}

	// 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));

		for (i = 0; i < vector; i++) {
			udest_ptrs[i] = dest_ptrs[i] + (rand() & (PTR_ALIGN_CHK_B - offset));
			memset(dest_ptrs[i], 0, TEST_LEN);	// zero pad to check write-over
		}

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

		for (i = 0; i < vector; i++)
			for (j = 0; j < srcs; j++) {
				gf[i][j] = rand();
				gf_vect_mul_init(gf[i][j], &g_tbls[i * (32 * srcs) + j * 32]);
			}

		for (i = 0; i < vector; i++)
			gf_vect_dot_prod_base(size, srcs, &g_tbls[i * 32 * srcs], ubuffs,
					      dest_ref[i]);

		for (i = 0; i < srcs; i++) {
#if (VECT == 1)
			FUNCTION_UNDER_TEST(size, srcs, i, g_tbls, ubuffs[i], *udest_ptrs);
#else
			FUNCTION_UNDER_TEST(size, srcs, i, g_tbls, ubuffs[i], udest_ptrs);
#endif
		}
		for (i = 0; i < vector; i++) {
			if (0 != memcmp(dest_ref[i], udest_ptrs[i], size)) {
				printf("Fail rand " xstr(FUNCTION_UNDER_TEST)
				       " test%d ualign srcs=%d\n", i, srcs);
				dump_matrix(buffs, vector, TEST_SOURCES);
				printf("dprod_base:");
				dump(dest_ref[i], 25);
				printf("dprod_dut:");
				dump(udest_ptrs[i], 25);
				return -1;
			}
		}

		// Confirm that padding around dests is unchanged
		memset(dest_ref[0], 0, PTR_ALIGN_CHK_B);	// Make reference zero buff

		for (i = 0; i < vector; i++) {
			offset = udest_ptrs[i] - dest_ptrs[i];
			if (memcmp(dest_ptrs[i], dest_ref[0], offset)) {
				printf("Fail rand ualign pad1 start\n");
				return -1;
			}
			if (memcmp
			    (dest_ptrs[i] + offset + size, dest_ref[0],
			     PTR_ALIGN_CHK_B - offset)) {
				printf("Fail rand ualign pad1 end\n");
				return -1;
			}
		}

#ifdef TEST_VERBOSE
		putchar('.');
#endif
	}

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

	for (size = TEST_LEN; size >= TEST_MIN_SIZE; size -= align) {
		for (i = 0; i < TEST_SOURCES; i++)
			for (j = 0; j < size; j++)
				buffs[i][j] = rand();

		for (i = 0; i < vector; i++) {
			for (j = 0; j < TEST_SOURCES; j++) {
				gf[i][j] = rand();
				gf_vect_mul_init(gf[i][j],
						 &g_tbls[i * (32 * TEST_SOURCES) + j * 32]);
			}
			memset(dest_ptrs[i], 0, TEST_LEN);	// zero pad to check write-over
		}

		for (i = 0; i < vector; i++)
			gf_vect_dot_prod_base(size, TEST_SOURCES,
					      &g_tbls[i * 32 * TEST_SOURCES], buffs,
					      dest_ref[i]);

		for (i = 0; i < TEST_SOURCES; i++) {
#if (VECT == 1)
			FUNCTION_UNDER_TEST(size, TEST_SOURCES, i, g_tbls, buffs[i],
					    *dest_ptrs);
#else
			FUNCTION_UNDER_TEST(size, TEST_SOURCES, i, g_tbls, buffs[i],
					    dest_ptrs);
#endif
		}
		for (i = 0; i < vector; i++) {
			if (0 != memcmp(dest_ref[i], dest_ptrs[i], size)) {
				printf("Fail rand " xstr(FUNCTION_UNDER_TEST)
				       " test%d ualign len=%d\n", i, size);
				dump_matrix(buffs, vector, TEST_SOURCES);
				printf("dprod_base:");
				dump(dest_ref[i], 25);
				printf("dprod_dut:");
				dump(dest_ptrs[i], 25);
				return -1;
			}
		}

#ifdef TEST_VERBOSE
		putchar('.');
#endif

	}

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

}