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enh(sys): add check for avx512vl

This commit is contained in:
Haojun Liao 2023-11-27 10:32:47 +08:00
parent 6ab14d39bb
commit 5de59a3547
2 changed files with 53 additions and 52 deletions
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4
cmake/cmake.define
View File

@ -184,13 +184,13 @@ ELSE ()
IF (COMPILER_SUPPORT_AVX512F AND COMPILER_SUPPORT_AVX512BMI)
SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mavx512f -mavx512vbmi -mavx512vl")
SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mavx512f -mavx512vbmi -mavx512vl")
MESSAGE(STATUS "avx512f/avx512bmi supported by gcc")
MESSAGE(STATUS "avx512f/avx512bmi supported by compiler")
ENDIF()
IF (COMPILER_SUPPORT_AVX512VL)
SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mavx512vl")
SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mavx512vl")
MESSAGE(STATUS "avx512vl supported by gcc")
MESSAGE(STATUS "avx512vl supported by compiler")
ENDIF()
ENDIF()

101
source/util/src/tcompression.c
View File

@ -538,65 +538,66 @@ int32_t tsDecompressTimestampImp(const char *const input, const int32_t nelement
memcpy(output, input + 1, nelements * longBytes);
return nelements * longBytes;
} else if (input[0] == 1) { // Decompress
int64_t *ostream = (int64_t *)output;
if (tsSIMDEnable && tsAVX512Enable) {
tsDecompressTimestampAvx512(input, nelements, output, false);
} else {
int64_t *ostream = (int64_t *)output;
int32_t ipos = 1, opos = 0;
int8_t nbytes = 0;
int64_t prev_value = 0;
int64_t prev_delta = 0;
int64_t delta_of_delta = 0;
int32_t ipos = 1, opos = 0;
int8_t nbytes = 0;
int64_t prev_value = 0;
int64_t prev_delta = 0;
int64_t delta_of_delta = 0;
while (1) {
uint8_t flags = input[ipos++];
// Decode dd1
uint64_t dd1 = 0;
nbytes = flags & INT8MASK(4);
if (nbytes == 0) {
delta_of_delta = 0;
} else {
if (is_bigendian()) {
memcpy(((char *)(&dd1)) + longBytes - nbytes, input + ipos, nbytes);
while (1) {
uint8_t flags = input[ipos++];
// Decode dd1
uint64_t dd1 = 0;
nbytes = flags & INT8MASK(4);
if (nbytes == 0) {
delta_of_delta = 0;
} else {
memcpy(&dd1, input + ipos, nbytes);
if (is_bigendian()) {
memcpy(((char *)(&dd1)) + longBytes - nbytes, input + ipos, nbytes);
} else {
memcpy(&dd1, input + ipos, nbytes);
}
delta_of_delta = ZIGZAG_DECODE(int64_t, dd1);
}
delta_of_delta = ZIGZAG_DECODE(int64_t, dd1);
}
ipos += nbytes;
if (opos == 0) {
prev_value = delta_of_delta;
prev_delta = 0;
ostream[opos++] = delta_of_delta;
} else {
ipos += nbytes;
if (opos == 0) {
prev_value = delta_of_delta;
prev_delta = 0;
ostream[opos++] = delta_of_delta;
} else {
prev_delta = delta_of_delta + prev_delta;
prev_value = prev_value + prev_delta;
ostream[opos++] = prev_value;
}
if (opos == nelements) return nelements * longBytes;
// Decode dd2
uint64_t dd2 = 0;
nbytes = (flags >> 4) & INT8MASK(4);
if (nbytes == 0) {
delta_of_delta = 0;
} else {
if (is_bigendian()) {
memcpy(((char *)(&dd2)) + longBytes - nbytes, input + ipos, nbytes);
} else {
memcpy(&dd2, input + ipos, nbytes);
}
// zigzag_decoding
delta_of_delta = ZIGZAG_DECODE(int64_t, dd2);
}
ipos += nbytes;
prev_delta = delta_of_delta + prev_delta;
prev_value = prev_value + prev_delta;
ostream[opos++] = prev_value;
if (opos == nelements) return nelements * longBytes;
}
if (opos == nelements) return nelements * longBytes;
// Decode dd2
uint64_t dd2 = 0;
nbytes = (flags >> 4) & INT8MASK(4);
if (nbytes == 0) {
delta_of_delta = 0;
} else {
if (is_bigendian()) {
memcpy(((char *)(&dd2)) + longBytes - nbytes, input + ipos, nbytes);
} else {
memcpy(&dd2, input + ipos, nbytes);
}
// zigzag_decoding
delta_of_delta = ZIGZAG_DECODE(int64_t, dd2);
}
ipos += nbytes;
prev_delta = delta_of_delta + prev_delta;
prev_value = prev_value + prev_delta;
ostream[opos++] = prev_value;
if (opos == nelements) return nelements * longBytes;
}
} else {
ASSERT(0);
return -1;
}
}