parity_math_ut.c File Reference

#include "lib/types.h"
#include "lib/assert.h"
#include "lib/memory.h"
#include "lib/errno.h"
#include "lib/arith.h"
#include "lib/ub.h"
#include "ut/ut.h"
#include "sns/parity_math.h"

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Data Structures
struct	mat_collection
struct	sns_ir_node

Macros
#define	KB(x)   ((x) * 1024)
#define	MB(x)   (KB(x) * 1024)
#define	_TESTS

Enumerations
enum	{ MAX_NUM_ROWS = 20 }
enum	{   DATA_UNIT_COUNT_MAX = 30, PARITY_UNIT_COUNT_MAX = 12, DATA_TO_PRTY_RATIO_MAX = DATA_UNIT_COUNT_MAX / PARITY_UNIT_COUNT_MAX, UNIT_BUFF_SIZE_MAX = MB(1),   DATA_UNIT_COUNT = 15, PARITY_UNIT_COUNT = 1, RS_MAX_PARITY_UNIT_COUNT = DATA_UNIT_COUNT - 1, NODES = 15 }
enum	{ NUM_SEG = 8, SEG_SIZE = 64 }
enum	recovery_type { FAIL_VECTOR, FAIL_INDEX }
enum	failure_type { ALL_DATA, ALL_PARITY, MIXED_FAILURE }
enum	ir_matrix_type { IRM_VANDMAT, IRM_NORM_VANDMAT, IRM_SINGULAR_MAT }
enum	{ UB_ITER = 100 }

Functions
static void	test_matrix_inverse (void)
static void	test_incr_recov_init (void)
static void	test_incr_recov (void)
static void	test_invalid_input (void)
static void	test_init (void)
static int	matrix_init (struct mat_collection *)
static void	mat_fill (struct m0_matrix *mat, int N, int K, enum ir_matrix_type mt)
static void	identity_row_set (struct m0_matrix *mat, int row)
static void	vandermonde_row_set (struct m0_matrix *mat, int row)
static void	null_matrix_fill (struct m0_matrix *mat, int N)
static void	invert (int N, int K, enum ir_matrix_type mt, struct mat_collection *matrices)
static bool	mat_compare (struct m0_matrix *mat1, struct m0_matrix *mat2)
static void	matrix_fini (struct mat_collection *matrices)
static void	parity_calculate (struct m0_parity_math *math, struct m0_bufvec *x, struct m0_bufvec *p, uint32_t num_seg, uint32_t seg_size)
static void	direct_recover (struct m0_parity_math *math, struct m0_bufvec *x, struct m0_bufvec *p)
static uint32_t *	failure_setup (struct m0_parity_math *math, uint32_t total_failures, enum failure_type ft)
static void	array_randomly_fill (uint32_t *r_arr, uint32_t size, uint32_t range)
static void	rhs_prepare (const struct m0_sns_ir *ir, struct m0_matvec *des, const struct m0_bufvec *x, const struct m0_bufvec *p, const uint32_t *failed_arr, uint32_t total_failures)
static void	reconstruct (const struct m0_sns_ir *ir, const struct m0_matvec *b, struct m0_matvec *r)
static bool	compare (const struct m0_sns_ir *ir, const uint32_t *failed_arr, const struct m0_bufvec *x, const struct m0_matvec *r)
static void	incremental_recover (struct m0_parity_math *math, struct m0_bufvec *x, struct m0_bufvec *p)
static void	sns_ir_nodes_init (struct m0_parity_math *math, struct sns_ir_node *nodes, uint32_t *failed_arr, uint32_t node_nr, uint32_t alive_nr)
static void	failure_register (struct m0_sns_ir *ir, struct m0_bufvec *recov_arr, uint32_t *failed_arr, uint32_t total_failures)
static void	alive_arrays_fill (struct m0_sns_ir *ir, uint32_t *alive_blocks, uint32_t start_idx, uint32_t count)
static void	sns_ir_nodes_recover (struct sns_ir_node *node, uint32_t node_nr, struct m0_bufvec *x, struct m0_bufvec *p)
static void	sns_ir_nodes_gather (struct sns_ir_node *node, uint32_t node_nr, struct m0_bufvec *x, struct m0_bufvec *p, uint32_t *failed_arr)
static void	sns_ir_nodes_compare (struct sns_ir_node *node, struct m0_bufvec *x, struct m0_bufvec *p)
static void	sns_ir_nodes_fini (struct sns_ir_node *node, uint32_t node_nr, uint32_t total_failures)
static uint32_t	block_nr (const struct m0_sns_ir *ir)
static void	bufvec_initialize (struct m0_bufvec **bvec, uint32_t count, uint32_t num_seg, uint32_t size)
static void	bufvec_fill (struct m0_bufvec *x)
static void	bufvec_fini (struct m0_bufvec *bvec, uint32_t count)
static bool	bufvec_eq (struct m0_bufvec *bvec1, struct m0_bufvec *bvec2)
static void	buf_initialize (struct m0_buf *buf, uint32_t size, uint32_t len)
static void	buf_free (struct m0_buf *buf, uint32_t count)
static void	bufvec_buf (struct m0_bufvec *bvec, struct m0_buf *buf, uint32_t count, bool dir)
static void	unit_spoil (const uint32_t buff_size, const uint32_t fail_count, const uint32_t data_count)
static bool	expected_eq (const uint32_t data_count, const uint32_t buff_size)
static bool	config_generate (uint32_t *data_count, uint32_t *parity_count, uint32_t *buff_size, const enum m0_parity_cal_algo algo)
static bool	rand_rs_config_generate (uint32_t *data_count, uint32_t *parity_count, uint32_t *buff_size)
static void	test_recovery (const enum m0_parity_cal_algo algo, const enum recovery_type rt)
static void	test_rs_fv_recover (void)
static void	test_rs_fv_rand_recover (void)
static void	test_xor_fv_recover (void)
static void	test_xor_fail_idx_recover (void)
static void	test_buffer_xor (void)
static void	test_parity_math_diff (uint32_t parity_cnt)
static void	test_parity_math_diff_xor (void)
static void	test_parity_math_diff_rs (void)
static void	test_incr_recov_rs (void)
static void	_buf_free (struct m0_buf *buf)
static int	ub_init (const char *opts M0_UNUSED)
void	parity_math_tb (void)
static void	ub_small_4K (int iter)
static void	ub_medium_4K (int iter)
static void	ub_large_4K (int iter)
static void	ub_small_1M (int iter)
static void	ub_medium_1M (int iter)
static void	ub_large_1M (int iter)
static void	ub_small_32K (int iter)
static void	ub_medium_32K (int iter)
static void	ub_large_32K (int iter)
static void	ub_small_4_2_4K (int iter)
static void	ub_small_4_2_256K (int iter)
static void	ub_small_4_2_1M (int iter)

Variables
static uint8_t	expected [DATA_UNIT_COUNT_MAX][UNIT_BUFF_SIZE_MAX]
static uint8_t	data [DATA_UNIT_COUNT_MAX][UNIT_BUFF_SIZE_MAX]
static uint8_t	parity [DATA_UNIT_COUNT_MAX][UNIT_BUFF_SIZE_MAX]
static uint8_t	fail [DATA_UNIT_COUNT_MAX+PARITY_UNIT_COUNT_MAX]
static int32_t	duc
static int32_t	puc
static int32_t	fuc
static uint32_t	UNIT_BUFF_SIZE
static int32_t	fail_index_xor
static uint64_t	seed
struct m0_ut_suite	parity_math_ut
struct m0_ut_suite	parity_math_ssse3_ut
struct m0_ub_set	m0_parity_math_ub

Macro Definition Documentation

_TESTS

#define _TESTS

Value:

{ "reed_solomon_recover_with_fail_vec", test_rs_fv_recover },           \
        { "reed_solomon_recover_with_fail_vec_rand", test_rs_fv_rand_recover }, \
        { "xor_recover_with_fail_vec", test_xor_fv_recover },                   \
        { "xor_recover_with_fail_index", test_xor_fail_idx_recover },           \
        { "buffer_xor", test_buffer_xor },                                      \
        { "parity_math_diff_xor", test_parity_math_diff_xor },                  \
        { "parity_math_diff_rs", test_parity_math_diff_rs },                    \
        { "incr_recov_rs", test_incr_recov_rs },                                \
        { NULL, NULL }

Definition at line 1428 of file parity_math_ut.c.

KB

#define KB

(

x

)

((x) * 1024)

Definition at line 32 of file parity_math_ut.c.

MB

#define MB

(

x

)

(KB(x) * 1024)

Definition at line 33 of file parity_math_ut.c.

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
MAX_NUM_ROWS

Definition at line 35 of file parity_math_ut.c.

anonymous enum

anonymous enum

Enumerator
DATA_UNIT_COUNT_MAX
PARITY_UNIT_COUNT_MAX
DATA_TO_PRTY_RATIO_MAX
UNIT_BUFF_SIZE_MAX
DATA_UNIT_COUNT
PARITY_UNIT_COUNT
RS_MAX_PARITY_UNIT_COUNT
NODES

Definition at line 39 of file parity_math_ut.c.

anonymous enum

anonymous enum

Enumerator
NUM_SEG
SEG_SIZE

Definition at line 50 of file parity_math_ut.c.

anonymous enum

anonymous enum

Enumerator
UB_ITER

Definition at line 1612 of file parity_math_ut.c.

failure_type

enum failure_type

Enumerator
ALL_DATA
ALL_PARITY
MIXED_FAILURE

Definition at line 86 of file parity_math_ut.c.

ir_matrix_type

enum ir_matrix_type

Enumerator
IRM_VANDMAT
IRM_NORM_VANDMAT
IRM_SINGULAR_MAT

Definition at line 92 of file parity_math_ut.c.

recovery_type

enum recovery_type

Enumerator
FAIL_VECTOR
FAIL_INDEX

Definition at line 73 of file parity_math_ut.c.

Function Documentation

_buf_free()

static void _buf_free ( struct m0_buf *  buf )

static

Definition at line 1362 of file parity_math_ut.c.

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alive_arrays_fill()

static void alive_arrays_fill ( struct m0_sns_ir *  ir, uint32_t *  alive_blocks, uint32_t  start_idx, uint32_t  count  )

static

Definition at line 1078 of file parity_math_ut.c.

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array_randomly_fill()

static void array_randomly_fill ( uint32_t *  r_arr, uint32_t  size, uint32_t  range  )

static

Definition at line 867 of file parity_math_ut.c.

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block_nr()

static uint32_t block_nr ( const struct m0_sns_ir *  ir )

inlinestatic

Definition at line 1409 of file parity_math_ut.c.

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buf_free()

static void buf_free ( struct m0_buf *  buf, uint32_t  count  )

static

Definition at line 1380 of file parity_math_ut.c.

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buf_initialize()

static void buf_initialize ( struct m0_buf *  buf, uint32_t  size, uint32_t  len  )

static

Definition at line 1368 of file parity_math_ut.c.

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bufvec_buf()

static void bufvec_buf ( struct m0_bufvec *  bvec, struct m0_buf *  buf, uint32_t  count, bool  dir  )

static

Definition at line 1335 of file parity_math_ut.c.

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bufvec_eq()

static bool bufvec_eq ( struct m0_bufvec *  bvec1, struct m0_bufvec *  bvec2  )

static

Definition at line 1389 of file parity_math_ut.c.

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bufvec_fill()

static void bufvec_fill ( struct m0_bufvec *  x )

static

Definition at line 1318 of file parity_math_ut.c.

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bufvec_fini()

static void bufvec_fini ( struct m0_bufvec *  bvec, uint32_t  count  )

static

Definition at line 1308 of file parity_math_ut.c.

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bufvec_initialize()

static void bufvec_initialize ( struct m0_bufvec **  bvec, uint32_t  count, uint32_t  num_seg, uint32_t  size  )

static

Definition at line 1293 of file parity_math_ut.c.

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compare()

static bool compare ( const struct m0_sns_ir *  ir, const uint32_t *  failed_arr, const struct m0_bufvec *  x, const struct m0_matvec *  r  )

static

Definition at line 932 of file parity_math_ut.c.

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config_generate()

static bool config_generate ( uint32_t *  data_count, uint32_t *  parity_count, uint32_t *  buff_size, const enum m0_parity_cal_algo  algo  )

static

Definition at line 196 of file parity_math_ut.c.

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direct_recover()

static void direct_recover ( struct m0_parity_math *  math, struct m0_bufvec *  x, struct m0_bufvec *  p  )

static

Definition at line 796 of file parity_math_ut.c.

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expected_eq()

static bool expected_eq ( const uint32_t  data_count, const uint32_t  buff_size  )

static

Definition at line 190 of file parity_math_ut.c.

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failure_register()

static void failure_register ( struct m0_sns_ir *  ir, struct m0_bufvec *  recov_arr, uint32_t *  failed_arr, uint32_t  total_failures  )

static

Definition at line 1062 of file parity_math_ut.c.

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failure_setup()

static uint32_t * failure_setup ( struct m0_parity_math *  math, uint32_t  total_failures, enum failure_type  ft  )

static

Definition at line 842 of file parity_math_ut.c.

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identity_row_set()

static void identity_row_set ( struct m0_matrix *  mat, int  row  )

static

Definition at line 678 of file parity_math_ut.c.

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incremental_recover()

static void incremental_recover ( struct m0_parity_math *  math, struct m0_bufvec *  x, struct m0_bufvec *  p  )

static

Definition at line 975 of file parity_math_ut.c.

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invert()

static void invert ( int  N, int  K, enum ir_matrix_type  mt, struct mat_collection *  matrices  )

static

Definition at line 615 of file parity_math_ut.c.

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mat_compare()

static bool mat_compare ( struct m0_matrix *  mat1, struct m0_matrix *  mat2  )

static

Definition at line 714 of file parity_math_ut.c.

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mat_fill()

static void mat_fill ( struct m0_matrix *  mat, int  N, int  K, enum ir_matrix_type  mt  )

static

Definition at line 631 of file parity_math_ut.c.

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matrix_fini()

static void matrix_fini ( struct mat_collection *  matrices )

static

Definition at line 727 of file parity_math_ut.c.

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matrix_init()

static int matrix_init ( struct mat_collection *  matrices )

static

Definition at line 593 of file parity_math_ut.c.

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null_matrix_fill()

static void null_matrix_fill ( struct m0_matrix *  mat, int  N  )

static

Definition at line 705 of file parity_math_ut.c.

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parity_calculate()

static void parity_calculate ( struct m0_parity_math *  math, struct m0_bufvec *  x, struct m0_bufvec *  p, uint32_t  num_seg, uint32_t  seg_size  )

static

Definition at line 771 of file parity_math_ut.c.

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parity_math_tb()

void parity_math_tb

(

void

)

Definition at line 1460 of file parity_math_ut.c.

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rand_rs_config_generate()

static bool rand_rs_config_generate ( uint32_t *  data_count, uint32_t *  parity_count, uint32_t *  buff_size  )

static

Definition at line 267 of file parity_math_ut.c.

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reconstruct()

static void reconstruct ( const struct m0_sns_ir *  ir, const struct m0_matvec *  b, struct m0_matvec *  r  )

static

Definition at line 906 of file parity_math_ut.c.

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rhs_prepare()

static void rhs_prepare ( const struct m0_sns_ir *  ir, struct m0_matvec *  des, const struct m0_bufvec *  x, const struct m0_bufvec *  p, const uint32_t *  failed_arr, uint32_t  total_failures  )

static

Definition at line 884 of file parity_math_ut.c.

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sns_ir_nodes_compare()

static void sns_ir_nodes_compare ( struct sns_ir_node *  node, struct m0_bufvec *  x, struct m0_bufvec *  p  )

static

Definition at line 1222 of file parity_math_ut.c.

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sns_ir_nodes_fini()

static void sns_ir_nodes_fini ( struct sns_ir_node *  node, uint32_t  node_nr, uint32_t  total_failures  )

static

Definition at line 1246 of file parity_math_ut.c.

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sns_ir_nodes_gather()

static void sns_ir_nodes_gather ( struct sns_ir_node *  node, uint32_t  node_nr, struct m0_bufvec *  x, struct m0_bufvec *  p, uint32_t *  failed_arr  )

static

Definition at line 1150 of file parity_math_ut.c.

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sns_ir_nodes_init()

static void sns_ir_nodes_init ( struct m0_parity_math *  math, struct sns_ir_node *  nodes, uint32_t *  failed_arr, uint32_t  node_nr, uint32_t  alive_nr  )

static

Definition at line 1012 of file parity_math_ut.c.

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sns_ir_nodes_recover()

static void sns_ir_nodes_recover ( struct sns_ir_node *  node, uint32_t  node_nr, struct m0_bufvec *  x, struct m0_bufvec *  p  )

static

Definition at line 1099 of file parity_math_ut.c.

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test_buffer_xor()

static void test_buffer_xor ( void  )

static

Definition at line 435 of file parity_math_ut.c.

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test_incr_recov()

static void test_incr_recov ( void  )

static

Definition at line 949 of file parity_math_ut.c.

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test_incr_recov_init()

static void test_incr_recov_init ( void  )

static

Definition at line 741 of file parity_math_ut.c.

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test_incr_recov_rs()

static void test_incr_recov_rs ( void  )

static

Definition at line 557 of file parity_math_ut.c.

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test_init()

static void test_init ( void  )

static

Definition at line 1414 of file parity_math_ut.c.

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test_invalid_input()

static void test_invalid_input ( void  )

static

Definition at line 1262 of file parity_math_ut.c.

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test_matrix_inverse()

static void test_matrix_inverse ( void  )

static

Definition at line 566 of file parity_math_ut.c.

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test_parity_math_diff()

static void test_parity_math_diff ( uint32_t  parity_cnt )

static

Definition at line 470 of file parity_math_ut.c.

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test_parity_math_diff_rs()

static void test_parity_math_diff_rs ( void  )

static

Definition at line 548 of file parity_math_ut.c.

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test_parity_math_diff_xor()

static void test_parity_math_diff_xor ( void  )

static

Definition at line 542 of file parity_math_ut.c.

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test_recovery()

static void test_recovery ( const enum m0_parity_cal_algo  algo, const enum recovery_type  rt  )

static

Definition at line 314 of file parity_math_ut.c.

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test_rs_fv_rand_recover()

static void test_rs_fv_rand_recover ( void  )

static

Definition at line 373 of file parity_math_ut.c.

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test_rs_fv_recover()

static void test_rs_fv_recover ( void  )

static

Definition at line 367 of file parity_math_ut.c.

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test_xor_fail_idx_recover()

static void test_xor_fail_idx_recover ( void  )

static

Definition at line 427 of file parity_math_ut.c.

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test_xor_fv_recover()

static void test_xor_fv_recover ( void  )

static

Definition at line 419 of file parity_math_ut.c.

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ub_init()

static int ub_init ( const char *opts  M0_UNUSED )

static

Definition at line 1455 of file parity_math_ut.c.

ub_large_1M()

static void ub_large_1M ( int  iter )

static

Definition at line 1550 of file parity_math_ut.c.

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ub_large_32K()

static void ub_large_32K ( int  iter )

static

Definition at line 1577 of file parity_math_ut.c.

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ub_large_4K()

static void ub_large_4K ( int  iter )

static

Definition at line 1523 of file parity_math_ut.c.

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ub_medium_1M()

static void ub_medium_1M ( int  iter )

static

Definition at line 1541 of file parity_math_ut.c.

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ub_medium_32K()

static void ub_medium_32K ( int  iter )

static

Definition at line 1568 of file parity_math_ut.c.

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ub_medium_4K()

static void ub_medium_4K ( int  iter )

static

Definition at line 1514 of file parity_math_ut.c.

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ub_small_1M()

static void ub_small_1M ( int  iter )

static

Definition at line 1532 of file parity_math_ut.c.

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ub_small_32K()

static void ub_small_32K ( int  iter )

static

Definition at line 1559 of file parity_math_ut.c.

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ub_small_4_2_1M()

static void ub_small_4_2_1M ( int  iter )

static

Definition at line 1603 of file parity_math_ut.c.

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ub_small_4_2_256K()

static void ub_small_4_2_256K ( int  iter )

static

Definition at line 1594 of file parity_math_ut.c.

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ub_small_4_2_4K()

static void ub_small_4_2_4K ( int  iter )

static

Definition at line 1585 of file parity_math_ut.c.

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ub_small_4K()

static void ub_small_4K ( int  iter )

static

Definition at line 1505 of file parity_math_ut.c.

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unit_spoil()

static void unit_spoil ( const uint32_t  buff_size, const uint32_t  fail_count, const uint32_t  data_count  )

static

Definition at line 175 of file parity_math_ut.c.

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vandermonde_row_set()

static void vandermonde_row_set ( struct m0_matrix *  mat, int  row  )

static

Definition at line 693 of file parity_math_ut.c.

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Variable Documentation

data

uint8_t data[DATA_UNIT_COUNT_MAX][UNIT_BUFF_SIZE_MAX]

static

Definition at line 56 of file parity_math_ut.c.

duc

int32_t duc

static

Definition at line 59 of file parity_math_ut.c.

expected

uint8_t expected[DATA_UNIT_COUNT_MAX][UNIT_BUFF_SIZE_MAX]

static

Definition at line 55 of file parity_math_ut.c.

fail

uint8_t fail[DATA_UNIT_COUNT_MAX+PARITY_UNIT_COUNT_MAX]

static

Definition at line 58 of file parity_math_ut.c.

fail_index_xor

int32_t fail_index_xor

static

Definition at line 63 of file parity_math_ut.c.

fuc

int32_t fuc

static

Definition at line 61 of file parity_math_ut.c.

m0_parity_math_ub

struct m0_ub_set m0_parity_math_ub

Definition at line 1614 of file parity_math_ut.c.

parity

uint8_t parity[DATA_UNIT_COUNT_MAX][UNIT_BUFF_SIZE_MAX]

static

Definition at line 57 of file parity_math_ut.c.

parity_math_ssse3_ut

struct m0_ut_suite parity_math_ssse3_ut

Initial value:

= {
        .ts_name = "parity_math_ssse3-ut",
        .ts_tests = { _TESTS }
}

Definition at line 1447 of file parity_math_ut.c.

parity_math_ut

struct m0_ut_suite parity_math_ut

Initial value:

= {
        .ts_name = "parity_math-ut",
        .ts_init = NULL,
        .ts_fini = NULL,
        .ts_tests = { _TESTS }
}

Definition at line 1439 of file parity_math_ut.c.

puc

int32_t puc

static

Definition at line 60 of file parity_math_ut.c.

seed

uint64_t seed

static

Definition at line 64 of file parity_math_ut.c.

UNIT_BUFF_SIZE

uint32_t UNIT_BUFF_SIZE

static

Definition at line 62 of file parity_math_ut.c.