vbatts/llama.cpp
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Get rid of additional memcpy calls

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This commit is contained in:
Aleksei Nikiforov 2025-01-10 11:16:41 +01:00
parent 21f7ca2fb3
commit 088f9a6c32
2 changed files with 6 additions and 24 deletions
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15
ggml/src/ggml.c
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@ -51,24 +51,15 @@
#define convert_from_le64(x)
#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
static inline void convert_from_le16(void * value) {
uint16_t temp;
memcpy(&temp, value, sizeof(uint16_t));
temp = le16toh(temp);
memcpy(value, &temp, sizeof(uint16_t));
*((uint16_t*)value) = le16toh(*((uint16_t*)value));
}
static inline void convert_from_le32(void * value) {
uint32_t temp;
memcpy(&temp, value, sizeof(uint32_t));
temp = le32toh(temp);
memcpy(value, &temp, sizeof(uint32_t));
*((uint32_t*)value) = le32toh(*((uint32_t*)value));
}
static inline void convert_from_le64(void * value) {
uint64_t temp;
memcpy(&temp, value, sizeof(uint64_t));
temp = le64toh(temp);
memcpy(value, &temp, sizeof(uint64_t));
*((uint64_t*)value) = le64toh(*((uint64_t*)value));
}
#else
#error Unexpected or undefined __BYTE_ORDER__

15
ggml/src/gguf.cpp
View file

@ -36,26 +36,17 @@ static inline void convert_from_le(T * /*value*/)
template <typename T, std::enable_if_t<sizeof(T) == 2, int> = 0>
static inline void convert_from_le(T * value) {
uint16_t temp;
memcpy(&temp, value, sizeof(uint16_t));
temp = le16toh(temp);
memcpy(value, &temp, sizeof(uint16_t));
*((uint16_t*)value) = le16toh(*((uint16_t*)value));
}
template <typename T, std::enable_if_t<sizeof(T) == 4, int> = 0>
static inline void convert_from_le(T * value) {
uint32_t temp;
memcpy(&temp, value, sizeof(uint32_t));
temp = le32toh(temp);
memcpy(value, &temp, sizeof(uint32_t));
*((uint32_t*)value) = le32toh(*((uint32_t*)value));
}
template <typename T, std::enable_if_t<sizeof(T) == 8, int> = 0>
static inline void convert_from_le(T * value) {
uint64_t temp;
memcpy(&temp, value, sizeof(uint64_t));
temp = le64toh(temp);
memcpy(value, &temp, sizeof(uint64_t));
*((uint64_t*)value) = le64toh(*((uint64_t*)value));
}
#else
#error Unexpected or undefined __BYTE_ORDER__