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synced 2025-12-06 07:42:32 -05:00
Fixes #71 - some crazy races inside erasure and simplify the code
- This change also brings in changing 'unsigned char' to 'uint8_t' for brevity
This commit is contained in:
Harshavardhana
@@ -31,6 +31,7 @@
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#ifndef _ERASURE_CODE_H_
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#define _ERASURE_CODE_H_
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#include <stdint.h>
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/**
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* @file erasure_code.h
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* @brief Interface to functions supporting erasure code encode and decode.
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@@ -71,7 +72,7 @@ extern "C" {
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* @returns none
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*/
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void ec_init_tables(int k, int rows, unsigned char* a, unsigned char* gftbls);
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void ec_init_tables(int k, int rows, uint8_t* a, uint8_t* gftbls);
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/**
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* @brief Generate or decode erasure codes on blocks of data.
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@@ -93,7 +94,7 @@ void ec_init_tables(int k, int rows, unsigned char* a, unsigned char* gftbls);
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* @returns none
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*/
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void ec_encode_data_sse(int len, int k, int rows, unsigned char *gftbls, unsigned char **data, unsigned char **coding);
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void ec_encode_data_sse(int len, int k, int rows, uint8_t *gftbls, uint8_t **data, uint8_t **coding);
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/**
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@@ -118,7 +119,7 @@ void ec_encode_data_sse(int len, int k, int rows, unsigned char *gftbls, unsigne
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* @returns none
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*/
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void ec_encode_data(int len, int k, int rows, unsigned char *gftbls, unsigned char **data, unsigned char **coding);
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void ec_encode_data(int len, int k, int rows, uint8_t *gftbls, uint8_t **data, uint8_t **coding);
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/**
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@@ -140,7 +141,7 @@ void ec_encode_data(int len, int k, int rows, unsigned char *gftbls, unsigned ch
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* @returns none
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*/
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void ec_encode_data_base(int len, int srcs, int dests, unsigned char *v, unsigned char **src, unsigned char **dest);
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void ec_encode_data_base(int len, int srcs, int dests, uint8_t *v, uint8_t **src, uint8_t **dest);
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/**
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@@ -161,8 +162,8 @@ void ec_encode_data_base(int len, int srcs, int dests, unsigned char *v, unsigne
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* @returns none
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*/
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void gf_vect_dot_prod_sse(int len, int vlen, unsigned char *gftbls,
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unsigned char **src, unsigned char *dest);
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void gf_vect_dot_prod_sse(int len, int vlen, uint8_t *gftbls,
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uint8_t **src, uint8_t *dest);
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/**
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* @brief GF(2^8) vector dot product.
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@@ -182,8 +183,8 @@ void gf_vect_dot_prod_sse(int len, int vlen, unsigned char *gftbls,
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* @returns none
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*/
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void gf_vect_dot_prod_avx(int len, int vlen, unsigned char *gftbls,
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unsigned char **src, unsigned char *dest);
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void gf_vect_dot_prod_avx(int len, int vlen, uint8_t *gftbls,
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uint8_t **src, uint8_t *dest);
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/**
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* @brief GF(2^8) vector dot product.
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@@ -203,8 +204,8 @@ void gf_vect_dot_prod_avx(int len, int vlen, unsigned char *gftbls,
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* @returns none
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*/
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void gf_vect_dot_prod_avx2(int len, int vlen, unsigned char *gftbls,
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unsigned char **src, unsigned char *dest);
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void gf_vect_dot_prod_avx2(int len, int vlen, uint8_t *gftbls,
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uint8_t **src, uint8_t *dest);
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/**
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* @brief GF(2^8) vector dot product with two outputs.
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@@ -225,8 +226,8 @@ void gf_vect_dot_prod_avx2(int len, int vlen, unsigned char *gftbls,
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* @returns none
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*/
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void gf_2vect_dot_prod_sse(int len, int vlen, unsigned char *gftbls,
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unsigned char **src, unsigned char **dest);
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void gf_2vect_dot_prod_sse(int len, int vlen, uint8_t *gftbls,
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uint8_t **src, uint8_t **dest);
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/**
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* @brief GF(2^8) vector dot product with two outputs.
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@@ -247,8 +248,8 @@ void gf_2vect_dot_prod_sse(int len, int vlen, unsigned char *gftbls,
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* @returns none
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*/
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void gf_2vect_dot_prod_avx(int len, int vlen, unsigned char *gftbls,
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unsigned char **src, unsigned char **dest);
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void gf_2vect_dot_prod_avx(int len, int vlen, uint8_t *gftbls,
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uint8_t **src, uint8_t **dest);
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/**
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* @brief GF(2^8) vector dot product with two outputs.
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@@ -269,8 +270,8 @@ void gf_2vect_dot_prod_avx(int len, int vlen, unsigned char *gftbls,
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* @returns none
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*/
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void gf_2vect_dot_prod_avx2(int len, int vlen, unsigned char *gftbls,
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unsigned char **src, unsigned char **dest);
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void gf_2vect_dot_prod_avx2(int len, int vlen, uint8_t *gftbls,
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uint8_t **src, uint8_t **dest);
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/**
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* @brief GF(2^8) vector dot product with three outputs.
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@@ -291,8 +292,8 @@ void gf_2vect_dot_prod_avx2(int len, int vlen, unsigned char *gftbls,
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* @returns none
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*/
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void gf_3vect_dot_prod_sse(int len, int vlen, unsigned char *gftbls,
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unsigned char **src, unsigned char **dest);
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void gf_3vect_dot_prod_sse(int len, int vlen, uint8_t *gftbls,
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uint8_t **src, uint8_t **dest);
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/**
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* @brief GF(2^8) vector dot product with three outputs.
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@@ -313,8 +314,8 @@ void gf_3vect_dot_prod_sse(int len, int vlen, unsigned char *gftbls,
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* @returns none
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*/
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void gf_3vect_dot_prod_avx(int len, int vlen, unsigned char *gftbls,
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unsigned char **src, unsigned char **dest);
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void gf_3vect_dot_prod_avx(int len, int vlen, uint8_t *gftbls,
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uint8_t **src, uint8_t **dest);
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/**
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* @brief GF(2^8) vector dot product with three outputs.
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@@ -335,8 +336,8 @@ void gf_3vect_dot_prod_avx(int len, int vlen, unsigned char *gftbls,
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* @returns none
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*/
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void gf_3vect_dot_prod_avx2(int len, int vlen, unsigned char *gftbls,
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unsigned char **src, unsigned char **dest);
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void gf_3vect_dot_prod_avx2(int len, int vlen, uint8_t *gftbls,
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uint8_t **src, uint8_t **dest);
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/**
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* @brief GF(2^8) vector dot product with four outputs.
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@@ -357,8 +358,8 @@ void gf_3vect_dot_prod_avx2(int len, int vlen, unsigned char *gftbls,
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* @returns none
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*/
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void gf_4vect_dot_prod_sse(int len, int vlen, unsigned char *gftbls,
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unsigned char **src, unsigned char **dest);
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void gf_4vect_dot_prod_sse(int len, int vlen, uint8_t *gftbls,
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uint8_t **src, uint8_t **dest);
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/**
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* @brief GF(2^8) vector dot product with four outputs.
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@@ -379,8 +380,8 @@ void gf_4vect_dot_prod_sse(int len, int vlen, unsigned char *gftbls,
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* @returns none
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*/
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void gf_4vect_dot_prod_avx(int len, int vlen, unsigned char *gftbls,
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unsigned char **src, unsigned char **dest);
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void gf_4vect_dot_prod_avx(int len, int vlen, uint8_t *gftbls,
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uint8_t **src, uint8_t **dest);
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/**
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* @brief GF(2^8) vector dot product with four outputs.
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@@ -401,8 +402,8 @@ void gf_4vect_dot_prod_avx(int len, int vlen, unsigned char *gftbls,
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* @returns none
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*/
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void gf_4vect_dot_prod_avx2(int len, int vlen, unsigned char *gftbls,
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unsigned char **src, unsigned char **dest);
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void gf_4vect_dot_prod_avx2(int len, int vlen, uint8_t *gftbls,
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uint8_t **src, uint8_t **dest);
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/**
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* @brief GF(2^8) vector dot product with five outputs.
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@@ -423,8 +424,8 @@ void gf_4vect_dot_prod_avx2(int len, int vlen, unsigned char *gftbls,
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* @returns none
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*/
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void gf_5vect_dot_prod_sse(int len, int vlen, unsigned char *gftbls,
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unsigned char **src, unsigned char **dest);
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void gf_5vect_dot_prod_sse(int len, int vlen, uint8_t *gftbls,
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uint8_t **src, uint8_t **dest);
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/**
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* @brief GF(2^8) vector dot product with five outputs.
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@@ -445,8 +446,8 @@ void gf_5vect_dot_prod_sse(int len, int vlen, unsigned char *gftbls,
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* @returns none
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*/
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void gf_5vect_dot_prod_avx(int len, int vlen, unsigned char *gftbls,
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unsigned char **src, unsigned char **dest);
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void gf_5vect_dot_prod_avx(int len, int vlen, uint8_t *gftbls,
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uint8_t **src, uint8_t **dest);
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/**
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* @brief GF(2^8) vector dot product with five outputs.
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@@ -467,8 +468,8 @@ void gf_5vect_dot_prod_avx(int len, int vlen, unsigned char *gftbls,
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* @returns none
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*/
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void gf_5vect_dot_prod_avx2(int len, int vlen, unsigned char *gftbls,
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unsigned char **src, unsigned char **dest);
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void gf_5vect_dot_prod_avx2(int len, int vlen, uint8_t *gftbls,
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uint8_t **src, uint8_t **dest);
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/**
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* @brief GF(2^8) vector dot product with six outputs.
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@@ -489,8 +490,8 @@ void gf_5vect_dot_prod_avx2(int len, int vlen, unsigned char *gftbls,
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* @returns none
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*/
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void gf_6vect_dot_prod_sse(int len, int vlen, unsigned char *gftbls,
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unsigned char **src, unsigned char **dest);
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void gf_6vect_dot_prod_sse(int len, int vlen, uint8_t *gftbls,
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uint8_t **src, uint8_t **dest);
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/**
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* @brief GF(2^8) vector dot product with six outputs.
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@@ -511,8 +512,8 @@ void gf_6vect_dot_prod_sse(int len, int vlen, unsigned char *gftbls,
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* @returns none
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*/
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void gf_6vect_dot_prod_avx(int len, int vlen, unsigned char *gftbls,
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unsigned char **src, unsigned char **dest);
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void gf_6vect_dot_prod_avx(int len, int vlen, uint8_t *gftbls,
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uint8_t **src, uint8_t **dest);
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/**
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* @brief GF(2^8) vector dot product with six outputs.
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@@ -533,8 +534,8 @@ void gf_6vect_dot_prod_avx(int len, int vlen, unsigned char *gftbls,
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* @returns none
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*/
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void gf_6vect_dot_prod_avx2(int len, int vlen, unsigned char *gftbls,
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unsigned char **src, unsigned char **dest);
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void gf_6vect_dot_prod_avx2(int len, int vlen, uint8_t *gftbls,
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uint8_t **src, uint8_t **dest);
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/**
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* @brief GF(2^8) vector dot product, runs baseline version.
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@@ -556,8 +557,8 @@ void gf_6vect_dot_prod_avx2(int len, int vlen, unsigned char *gftbls,
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* @returns none
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*/
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void gf_vect_dot_prod_base(int len, int vlen, unsigned char *gftbls,
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unsigned char **src, unsigned char *dest);
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void gf_vect_dot_prod_base(int len, int vlen, uint8_t *gftbls,
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uint8_t **src, uint8_t *dest);
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/**
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* @brief GF(2^8) vector dot product, runs appropriate version.
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@@ -579,8 +580,8 @@ void gf_vect_dot_prod_base(int len, int vlen, unsigned char *gftbls,
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* @returns none
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*/
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void gf_vect_dot_prod(int len, int vlen, unsigned char *gftbls,
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unsigned char **src, unsigned char *dest);
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void gf_vect_dot_prod(int len, int vlen, uint8_t *gftbls,
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uint8_t **src, uint8_t *dest);
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/**********************************************************************
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* The remaining are lib support functions used in GF(2^8) operations.
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@@ -594,7 +595,7 @@ void gf_vect_dot_prod(int len, int vlen, unsigned char *gftbls,
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* @returns Product of a and b in GF(2^8)
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*/
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unsigned char gf_mul(unsigned char a, unsigned char b);
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uint8_t gf_mul(uint8_t a, uint8_t b);
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/**
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* @brief Single element GF(2^8) inverse.
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@@ -603,7 +604,7 @@ unsigned char gf_mul(unsigned char a, unsigned char b);
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* @returns Field element b such that a x b = {1}
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*/
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unsigned char gf_inv(unsigned char a);
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uint8_t gf_inv(uint8_t a);
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/**
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* @brief Generate a matrix of coefficients to be used for encoding.
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@@ -622,7 +623,7 @@ unsigned char gf_inv(unsigned char a);
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* @returns none
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*/
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void gf_gen_rs_matrix(unsigned char *a, int m, int k);
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void gf_gen_rs_matrix(uint8_t *a, int m, int k);
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/**
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* @brief Generate a Cauchy matrix of coefficients to be used for encoding.
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@@ -637,7 +638,7 @@ void gf_gen_rs_matrix(unsigned char *a, int m, int k);
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* @returns none
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*/
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void gf_gen_cauchy1_matrix(unsigned char *a, int m, int k);
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void gf_gen_cauchy1_matrix(uint8_t *a, int m, int k);
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/**
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* @brief Invert a matrix in GF(2^8)
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@@ -648,7 +649,7 @@ void gf_gen_cauchy1_matrix(unsigned char *a, int m, int k);
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* @returns 0 successful, other fail on singular input matrix
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*/
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int gf_invert_matrix(unsigned char *in, unsigned char *out, const int n);
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int gf_invert_matrix(uint8_t *in, uint8_t *out, const int n);
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/*************************************************************/
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