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authorValentin Popov <valentin@popov.link>2024-07-19 15:37:58 +0300
committerValentin Popov <valentin@popov.link>2024-07-19 15:37:58 +0300
commita990de90fe41456a23e58bd087d2f107d321f3a1 (patch)
tree15afc392522a9e85dc3332235e311b7d39352ea9 /vendor/simd-adler32/src/imp
parent3d48cd3f81164bbfc1a755dc1d4a9a02f98c8ddd (diff)
downloadfparkan-a990de90fe41456a23e58bd087d2f107d321f3a1.tar.xz
fparkan-a990de90fe41456a23e58bd087d2f107d321f3a1.zip
Deleted vendor folder
Diffstat (limited to 'vendor/simd-adler32/src/imp')
-rw-r--r--vendor/simd-adler32/src/imp/avx2.rs214
-rw-r--r--vendor/simd-adler32/src/imp/avx512.rs242
-rw-r--r--vendor/simd-adler32/src/imp/mod.rs23
-rw-r--r--vendor/simd-adler32/src/imp/neon.rs241
-rw-r--r--vendor/simd-adler32/src/imp/scalar.rs69
-rw-r--r--vendor/simd-adler32/src/imp/sse2.rs233
-rw-r--r--vendor/simd-adler32/src/imp/ssse3.rs219
-rw-r--r--vendor/simd-adler32/src/imp/wasm.rs217
8 files changed, 0 insertions, 1458 deletions
diff --git a/vendor/simd-adler32/src/imp/avx2.rs b/vendor/simd-adler32/src/imp/avx2.rs
deleted file mode 100644
index c16cc99..0000000
--- a/vendor/simd-adler32/src/imp/avx2.rs
+++ /dev/null
@@ -1,214 +0,0 @@
-use super::Adler32Imp;
-
-/// Resolves update implementation if CPU supports avx2 instructions.
-pub fn get_imp() -> Option<Adler32Imp> {
- get_imp_inner()
-}
-
-#[inline]
-#[cfg(all(feature = "std", any(target_arch = "x86", target_arch = "x86_64")))]
-fn get_imp_inner() -> Option<Adler32Imp> {
- if std::is_x86_feature_detected!("avx2") {
- Some(imp::update)
- } else {
- None
- }
-}
-
-#[inline]
-#[cfg(all(
- target_feature = "avx2",
- not(all(feature = "std", any(target_arch = "x86", target_arch = "x86_64")))
-))]
-fn get_imp_inner() -> Option<Adler32Imp> {
- Some(imp::update)
-}
-
-#[inline]
-#[cfg(all(
- not(target_feature = "avx2"),
- not(all(feature = "std", any(target_arch = "x86", target_arch = "x86_64")))
-))]
-fn get_imp_inner() -> Option<Adler32Imp> {
- None
-}
-
-#[cfg(all(
- any(target_arch = "x86", target_arch = "x86_64"),
- any(feature = "std", target_feature = "avx2")
-))]
-mod imp {
- const MOD: u32 = 65521;
- const NMAX: usize = 5552;
- const BLOCK_SIZE: usize = 32;
- const CHUNK_SIZE: usize = NMAX / BLOCK_SIZE * BLOCK_SIZE;
-
- #[cfg(target_arch = "x86")]
- use core::arch::x86::*;
- #[cfg(target_arch = "x86_64")]
- use core::arch::x86_64::*;
-
- pub fn update(a: u16, b: u16, data: &[u8]) -> (u16, u16) {
- unsafe { update_imp(a, b, data) }
- }
-
- #[inline]
- #[target_feature(enable = "avx2")]
- unsafe fn update_imp(a: u16, b: u16, data: &[u8]) -> (u16, u16) {
- let mut a = a as u32;
- let mut b = b as u32;
-
- let chunks = data.chunks_exact(CHUNK_SIZE);
- let remainder = chunks.remainder();
- for chunk in chunks {
- update_chunk_block(&mut a, &mut b, chunk);
- }
-
- update_block(&mut a, &mut b, remainder);
-
- (a as u16, b as u16)
- }
-
- #[inline]
- unsafe fn update_chunk_block(a: &mut u32, b: &mut u32, chunk: &[u8]) {
- debug_assert_eq!(
- chunk.len(),
- CHUNK_SIZE,
- "Unexpected chunk size (expected {}, got {})",
- CHUNK_SIZE,
- chunk.len()
- );
-
- reduce_add_blocks(a, b, chunk);
-
- *a %= MOD;
- *b %= MOD;
- }
-
- #[inline]
- unsafe fn update_block(a: &mut u32, b: &mut u32, chunk: &[u8]) {
- debug_assert!(
- chunk.len() <= CHUNK_SIZE,
- "Unexpected chunk size (expected <= {}, got {})",
- CHUNK_SIZE,
- chunk.len()
- );
-
- for byte in reduce_add_blocks(a, b, chunk) {
- *a += *byte as u32;
- *b += *a;
- }
-
- *a %= MOD;
- *b %= MOD;
- }
-
- #[inline(always)]
- unsafe fn reduce_add_blocks<'a>(a: &mut u32, b: &mut u32, chunk: &'a [u8]) -> &'a [u8] {
- if chunk.len() < BLOCK_SIZE {
- return chunk;
- }
-
- let blocks = chunk.chunks_exact(BLOCK_SIZE);
- let blocks_remainder = blocks.remainder();
-
- let one_v = _mm256_set1_epi16(1);
- let zero_v = _mm256_setzero_si256();
- let weights = get_weights();
-
- let mut p_v = _mm256_set_epi32(0, 0, 0, 0, 0, 0, 0, (*a * blocks.len() as u32) as _);
- let mut a_v = _mm256_setzero_si256();
- let mut b_v = _mm256_set_epi32(0, 0, 0, 0, 0, 0, 0, *b as _);
-
- for block in blocks {
- let block_ptr = block.as_ptr() as *const _;
- let block = _mm256_loadu_si256(block_ptr);
-
- p_v = _mm256_add_epi32(p_v, a_v);
-
- a_v = _mm256_add_epi32(a_v, _mm256_sad_epu8(block, zero_v));
- let mad = _mm256_maddubs_epi16(block, weights);
- b_v = _mm256_add_epi32(b_v, _mm256_madd_epi16(mad, one_v));
- }
-
- b_v = _mm256_add_epi32(b_v, _mm256_slli_epi32(p_v, 5));
-
- *a += reduce_add(a_v);
- *b = reduce_add(b_v);
-
- blocks_remainder
- }
-
- #[inline(always)]
- unsafe fn reduce_add(v: __m256i) -> u32 {
- let sum = _mm_add_epi32(_mm256_castsi256_si128(v), _mm256_extracti128_si256(v, 1));
- let hi = _mm_unpackhi_epi64(sum, sum);
-
- let sum = _mm_add_epi32(hi, sum);
- let hi = _mm_shuffle_epi32(sum, crate::imp::_MM_SHUFFLE(2, 3, 0, 1));
-
- let sum = _mm_add_epi32(sum, hi);
-
- _mm_cvtsi128_si32(sum) as _
- }
-
- #[inline(always)]
- unsafe fn get_weights() -> __m256i {
- _mm256_set_epi8(
- 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23,
- 24, 25, 26, 27, 28, 29, 30, 31, 32,
- )
- }
-}
-
-#[cfg(test)]
-mod tests {
- use rand::Rng;
-
- #[test]
- fn zeroes() {
- assert_sum_eq(&[]);
- assert_sum_eq(&[0]);
- assert_sum_eq(&[0, 0]);
- assert_sum_eq(&[0; 100]);
- assert_sum_eq(&[0; 1024]);
- assert_sum_eq(&[0; 1024 * 1024]);
- }
-
- #[test]
- fn ones() {
- assert_sum_eq(&[]);
- assert_sum_eq(&[1]);
- assert_sum_eq(&[1, 1]);
- assert_sum_eq(&[1; 100]);
- assert_sum_eq(&[1; 1024]);
- assert_sum_eq(&[1; 1024 * 1024]);
- }
-
- #[test]
- fn random() {
- let mut random = [0; 1024 * 1024];
- rand::thread_rng().fill(&mut random[..]);
-
- assert_sum_eq(&random[..1]);
- assert_sum_eq(&random[..100]);
- assert_sum_eq(&random[..1024]);
- assert_sum_eq(&random[..1024 * 1024]);
- }
-
- /// Example calculation from https://en.wikipedia.org/wiki/Adler-32.
- #[test]
- fn wiki() {
- assert_sum_eq(b"Wikipedia");
- }
-
- fn assert_sum_eq(data: &[u8]) {
- if let Some(update) = super::get_imp() {
- let (a, b) = update(1, 0, data);
- let left = u32::from(b) << 16 | u32::from(a);
- let right = adler::adler32_slice(data);
-
- assert_eq!(left, right, "len({})", data.len());
- }
- }
-}
diff --git a/vendor/simd-adler32/src/imp/avx512.rs b/vendor/simd-adler32/src/imp/avx512.rs
deleted file mode 100644
index ebb32fa..0000000
--- a/vendor/simd-adler32/src/imp/avx512.rs
+++ /dev/null
@@ -1,242 +0,0 @@
-use super::Adler32Imp;
-
-/// Resolves update implementation if CPU supports avx512f and avx512bw instructions.
-pub fn get_imp() -> Option<Adler32Imp> {
- get_imp_inner()
-}
-
-#[inline]
-#[cfg(all(
- feature = "std",
- feature = "nightly",
- any(target_arch = "x86", target_arch = "x86_64")
-))]
-fn get_imp_inner() -> Option<Adler32Imp> {
- let has_avx512f = std::is_x86_feature_detected!("avx512f");
- let has_avx512bw = std::is_x86_feature_detected!("avx512bw");
-
- if has_avx512f && has_avx512bw {
- Some(imp::update)
- } else {
- None
- }
-}
-
-#[inline]
-#[cfg(all(
- feature = "nightly",
- all(target_feature = "avx512f", target_feature = "avx512bw"),
- not(all(feature = "std", any(target_arch = "x86", target_arch = "x86_64")))
-))]
-fn get_imp_inner() -> Option<Adler32Imp> {
- Some(imp::update)
-}
-
-#[inline]
-#[cfg(all(
- not(all(feature = "nightly", target_feature = "avx512f", target_feature = "avx512bw")),
- not(all(
- feature = "std",
- feature = "nightly",
- any(target_arch = "x86", target_arch = "x86_64")
- ))
-))]
-fn get_imp_inner() -> Option<Adler32Imp> {
- None
-}
-
-#[cfg(all(
- feature = "nightly",
- any(target_arch = "x86", target_arch = "x86_64"),
- any(
- feature = "std",
- all(target_feature = "avx512f", target_feature = "avx512bw")
- )
-))]
-mod imp {
- const MOD: u32 = 65521;
- const NMAX: usize = 5552;
- const BLOCK_SIZE: usize = 64;
- const CHUNK_SIZE: usize = NMAX / BLOCK_SIZE * BLOCK_SIZE;
-
- #[cfg(target_arch = "x86")]
- use core::arch::x86::*;
- #[cfg(target_arch = "x86_64")]
- use core::arch::x86_64::*;
-
- pub fn update(a: u16, b: u16, data: &[u8]) -> (u16, u16) {
- unsafe { update_imp(a, b, data) }
- }
-
- #[inline]
- #[target_feature(enable = "avx512f")]
- #[target_feature(enable = "avx512bw")]
- unsafe fn update_imp(a: u16, b: u16, data: &[u8]) -> (u16, u16) {
- let mut a = a as u32;
- let mut b = b as u32;
-
- let chunks = data.chunks_exact(CHUNK_SIZE);
- let remainder = chunks.remainder();
- for chunk in chunks {
- update_chunk_block(&mut a, &mut b, chunk);
- }
-
- update_block(&mut a, &mut b, remainder);
-
- (a as u16, b as u16)
- }
-
- #[inline]
- unsafe fn update_chunk_block(a: &mut u32, b: &mut u32, chunk: &[u8]) {
- debug_assert_eq!(
- chunk.len(),
- CHUNK_SIZE,
- "Unexpected chunk size (expected {}, got {})",
- CHUNK_SIZE,
- chunk.len()
- );
-
- reduce_add_blocks(a, b, chunk);
-
- *a %= MOD;
- *b %= MOD;
- }
-
- #[inline]
- unsafe fn update_block(a: &mut u32, b: &mut u32, chunk: &[u8]) {
- debug_assert!(
- chunk.len() <= CHUNK_SIZE,
- "Unexpected chunk size (expected <= {}, got {})",
- CHUNK_SIZE,
- chunk.len()
- );
-
- for byte in reduce_add_blocks(a, b, chunk) {
- *a += *byte as u32;
- *b += *a;
- }
-
- *a %= MOD;
- *b %= MOD;
- }
-
- #[inline(always)]
- unsafe fn reduce_add_blocks<'a>(a: &mut u32, b: &mut u32, chunk: &'a [u8]) -> &'a [u8] {
- if chunk.len() < BLOCK_SIZE {
- return chunk;
- }
-
- let blocks = chunk.chunks_exact(BLOCK_SIZE);
- let blocks_remainder = blocks.remainder();
-
- let one_v = _mm512_set1_epi16(1);
- let zero_v = _mm512_setzero_si512();
- let weights = get_weights();
-
- let p_v = (*a * blocks.len() as u32) as _;
- let mut p_v = _mm512_set_epi32(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, p_v);
- let mut a_v = _mm512_setzero_si512();
- let mut b_v = _mm512_set_epi32(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, *b as _);
-
- for block in blocks {
- let block_ptr = block.as_ptr() as *const _;
- let block = _mm512_loadu_si512(block_ptr);
-
- p_v = _mm512_add_epi32(p_v, a_v);
-
- a_v = _mm512_add_epi32(a_v, _mm512_sad_epu8(block, zero_v));
- let mad = _mm512_maddubs_epi16(block, weights);
- b_v = _mm512_add_epi32(b_v, _mm512_madd_epi16(mad, one_v));
- }
-
- b_v = _mm512_add_epi32(b_v, _mm512_slli_epi32(p_v, 6));
-
- *a += reduce_add(a_v);
- *b = reduce_add(b_v);
-
- blocks_remainder
- }
-
- #[inline(always)]
- unsafe fn reduce_add(v: __m512i) -> u32 {
- let v: [__m256i; 2] = core::mem::transmute(v);
-
- reduce_add_256(v[0]) + reduce_add_256(v[1])
- }
-
- #[inline(always)]
- unsafe fn reduce_add_256(v: __m256i) -> u32 {
- let v: [__m128i; 2] = core::mem::transmute(v);
- let sum = _mm_add_epi32(v[0], v[1]);
- let hi = _mm_unpackhi_epi64(sum, sum);
-
- let sum = _mm_add_epi32(hi, sum);
- let hi = _mm_shuffle_epi32(sum, crate::imp::_MM_SHUFFLE(2, 3, 0, 1));
-
- let sum = _mm_add_epi32(sum, hi);
- let sum = _mm_cvtsi128_si32(sum) as _;
-
- sum
- }
-
- #[inline(always)]
- unsafe fn get_weights() -> __m512i {
- _mm512_set_epi8(
- 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23,
- 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44,
- 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64,
- )
- }
-}
-
-#[cfg(test)]
-mod tests {
- use rand::Rng;
-
- #[test]
- fn zeroes() {
- assert_sum_eq(&[]);
- assert_sum_eq(&[0]);
- assert_sum_eq(&[0, 0]);
- assert_sum_eq(&[0; 100]);
- assert_sum_eq(&[0; 1024]);
- assert_sum_eq(&[0; 1024 * 1024]);
- }
-
- #[test]
- fn ones() {
- assert_sum_eq(&[]);
- assert_sum_eq(&[1]);
- assert_sum_eq(&[1, 1]);
- assert_sum_eq(&[1; 100]);
- assert_sum_eq(&[1; 1024]);
- assert_sum_eq(&[1; 1024 * 1024]);
- }
-
- #[test]
- fn random() {
- let mut random = [0; 1024 * 1024];
- rand::thread_rng().fill(&mut random[..]);
-
- assert_sum_eq(&random[..1]);
- assert_sum_eq(&random[..100]);
- assert_sum_eq(&random[..1024]);
- assert_sum_eq(&random[..1024 * 1024]);
- }
-
- /// Example calculation from https://en.wikipedia.org/wiki/Adler-32.
- #[test]
- fn wiki() {
- assert_sum_eq(b"Wikipedia");
- }
-
- fn assert_sum_eq(data: &[u8]) {
- if let Some(update) = super::get_imp() {
- let (a, b) = update(1, 0, data);
- let left = u32::from(b) << 16 | u32::from(a);
- let right = adler::adler32_slice(data);
-
- assert_eq!(left, right, "len({})", data.len());
- }
- }
-}
diff --git a/vendor/simd-adler32/src/imp/mod.rs b/vendor/simd-adler32/src/imp/mod.rs
deleted file mode 100644
index 957b50a..0000000
--- a/vendor/simd-adler32/src/imp/mod.rs
+++ /dev/null
@@ -1,23 +0,0 @@
-pub mod avx2;
-pub mod avx512;
-pub mod scalar;
-pub mod sse2;
-pub mod ssse3;
-pub mod wasm;
-
-pub type Adler32Imp = fn(u16, u16, &[u8]) -> (u16, u16);
-
-#[inline]
-#[allow(non_snake_case)]
-pub const fn _MM_SHUFFLE(z: u32, y: u32, x: u32, w: u32) -> i32 {
- ((z << 6) | (y << 4) | (x << 2) | w) as i32
-}
-
-pub fn get_imp() -> Adler32Imp {
- avx512::get_imp()
- .or_else(avx2::get_imp)
- .or_else(ssse3::get_imp)
- .or_else(sse2::get_imp)
- .or_else(wasm::get_imp)
- .unwrap_or(scalar::update)
-}
diff --git a/vendor/simd-adler32/src/imp/neon.rs b/vendor/simd-adler32/src/imp/neon.rs
deleted file mode 100644
index 8398b6d..0000000
--- a/vendor/simd-adler32/src/imp/neon.rs
+++ /dev/null
@@ -1,241 +0,0 @@
-use super::Adler32Imp;
-
-/// Resolves update implementation if CPU supports avx512f and avx512bw instructions.
-pub fn get_imp() -> Option<Adler32Imp> {
- get_imp_inner()
-}
-
-#[inline]
-#[cfg(all(feature = "std", feature = "nightly", target_arch = "arm"))]
-fn get_imp_inner() -> Option<Adler32Imp> {
- if std::is_arm_feature_detected("neon") {
- Some(imp::update)
- } else {
- None
- }
-}
-
-#[inline]
-#[cfg(all(feature = "std", feature = "nightly", target_arch = "aarch64"))]
-fn get_imp_inner() -> Option<Adler32Imp> {
- if std::is_aarch64_feature_detected("neon") {
- Some(imp::update)
- } else {
- None
- }
-}
-
-#[inline]
-#[cfg(all(
- feature = "nightly",
- target_feature = "neon",
- not(all(feature = "std", any(target_arch = "arm", target_arch = "aarch64")))
-))]
-fn get_imp_inner() -> Option<Adler32Imp> {
- Some(imp::update)
-}
-
-#[inline]
-#[cfg(all(
- not(target_feature = "neon"),
- not(all(
- feature = "std",
- feature = "nightly",
- any(target_arch = "arm", target_arch = "aarch64")
- ))
-))]
-fn get_imp_inner() -> Option<Adler32Imp> {
- None
-}
-
-#[cfg(all(
- feature = "nightly",
- any(target_arch = "arm", target_arch = "aarch64"),
- any(feature = "std", target_feature = "neon")
-))]
-mod imp {
- const MOD: u32 = 65521;
- const NMAX: usize = 5552;
- const BLOCK_SIZE: usize = 64;
- const CHUNK_SIZE: usize = NMAX / BLOCK_SIZE * BLOCK_SIZE;
-
- #[cfg(target_arch = "aarch64")]
- use core::arch::aarch64::*;
- #[cfg(target_arch = "arm")]
- use core::arch::arm::*;
-
- pub fn update(a: u16, b: u16, data: &[u8]) -> (u16, u16) {
- unsafe { update_imp(a, b, data) }
- }
-
- #[inline]
- #[target_feature(enable = "neon")]
- unsafe fn update_imp(a: u16, b: u16, data: &[u8]) -> (u16, u16) {
- let mut a = a as u32;
- let mut b = b as u32;
-
- let chunks = data.chunks_exact(CHUNK_SIZE);
- let remainder = chunks.remainder();
- for chunk in chunks {
- update_chunk_block(&mut a, &mut b, chunk);
- }
-
- update_block(&mut a, &mut b, remainder);
-
- (a as u16, b as u16)
- }
-
- #[inline]
- unsafe fn update_chunk_block(a: &mut u32, b: &mut u32, chunk: &[u8]) {
- debug_assert_eq!(
- chunk.len(),
- CHUNK_SIZE,
- "Unexpected chunk size (expected {}, got {})",
- CHUNK_SIZE,
- chunk.len()
- );
-
- reduce_add_blocks(a, b, chunk);
-
- *a %= MOD;
- *b %= MOD;
- }
-
- #[inline]
- unsafe fn update_block(a: &mut u32, b: &mut u32, chunk: &[u8]) {
- debug_assert!(
- chunk.len() <= CHUNK_SIZE,
- "Unexpected chunk size (expected <= {}, got {})",
- CHUNK_SIZE,
- chunk.len()
- );
-
- for byte in reduce_add_blocks(a, b, chunk) {
- *a += *byte as u32;
- *b += *a;
- }
-
- *a %= MOD;
- *b %= MOD;
- }
-
- #[inline(always)]
- unsafe fn reduce_add_blocks<'a>(a: &mut u32, b: &mut u32, chunk: &'a [u8]) -> &'a [u8] {
- if chunk.len() < BLOCK_SIZE {
- return chunk;
- }
-
- let blocks = chunk.chunks_exact(BLOCK_SIZE);
- let blocks_remainder = blocks.remainder();
-
- let one_v = _mm512_set1_epi16(1);
- let zero_v = _mm512_setzero_si512();
- let weights = get_weights();
-
- let p_v = (*a * blocks.len() as u32) as _;
- let mut p_v = _mm512_set_epi32(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, p_v);
- let mut a_v = _mm512_setzero_si512();
- let mut b_v = _mm512_set_epi32(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, *b as _);
-
- for block in blocks {
- let block_ptr = block.as_ptr() as *const _;
- let block = _mm512_loadu_si512(block_ptr);
-
- p_v = _mm512_add_epi32(p_v, a_v);
-
- a_v = _mm512_add_epi32(a_v, _mm512_sad_epu8(block, zero_v));
- let mad = _mm512_maddubs_epi16(block, weights);
- b_v = _mm512_add_epi32(b_v, _mm512_madd_epi16(mad, one_v));
- }
-
- b_v = _mm512_add_epi32(b_v, _mm512_slli_epi32(p_v, 6));
-
- *a += reduce_add(a_v);
- *b = reduce_add(b_v);
-
- blocks_remainder
- }
-
- #[inline(always)]
- unsafe fn reduce_add(v: __m512i) -> u32 {
- let v: [__m256i; 2] = core::mem::transmute(v);
-
- reduce_add_256(v[0]) + reduce_add_256(v[1])
- }
-
- #[inline(always)]
- unsafe fn reduce_add_256(v: __m256i) -> u32 {
- let v: [__m128i; 2] = core::mem::transmute(v);
- let sum = _mm_add_epi32(v[0], v[1]);
- let hi = _mm_unpackhi_epi64(sum, sum);
-
- let sum = _mm_add_epi32(hi, sum);
- let hi = _mm_shuffle_epi32(sum, crate::imp::_MM_SHUFFLE(2, 3, 0, 1));
-
- let sum = _mm_add_epi32(sum, hi);
- let sum = _mm_cvtsi128_si32(sum) as _;
-
- sum
- }
-
- #[inline(always)]
- unsafe fn get_weights() -> __m512i {
- _mm512_set_epi8(
- 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23,
- 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44,
- 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64,
- )
- }
-}
-
-#[cfg(test)]
-mod tests {
- use rand::Rng;
-
- #[test]
- fn zeroes() {
- assert_sum_eq(&[]);
- assert_sum_eq(&[0]);
- assert_sum_eq(&[0, 0]);
- assert_sum_eq(&[0; 100]);
- assert_sum_eq(&[0; 1024]);
- assert_sum_eq(&[0; 1024 * 1024]);
- }
-
- #[test]
- fn ones() {
- assert_sum_eq(&[]);
- assert_sum_eq(&[1]);
- assert_sum_eq(&[1, 1]);
- assert_sum_eq(&[1; 100]);
- assert_sum_eq(&[1; 1024]);
- assert_sum_eq(&[1; 1024 * 1024]);
- }
-
- #[test]
- fn random() {
- let mut random = [0; 1024 * 1024];
- rand::thread_rng().fill(&mut random[..]);
-
- assert_sum_eq(&random[..1]);
- assert_sum_eq(&random[..100]);
- assert_sum_eq(&random[..1024]);
- assert_sum_eq(&random[..1024 * 1024]);
- }
-
- /// Example calculation from https://en.wikipedia.org/wiki/Adler-32.
- #[test]
- fn wiki() {
- assert_sum_eq(b"Wikipedia");
- }
-
- fn assert_sum_eq(data: &[u8]) {
- if let Some(update) = super::get_imp() {
- let (a, b) = update(1, 0, data);
- let left = u32::from(b) << 16 | u32::from(a);
- let right = adler::adler32_slice(data);
-
- assert_eq!(left, right, "len({})", data.len());
- }
- }
-}
diff --git a/vendor/simd-adler32/src/imp/scalar.rs b/vendor/simd-adler32/src/imp/scalar.rs
deleted file mode 100644
index 558813e..0000000
--- a/vendor/simd-adler32/src/imp/scalar.rs
+++ /dev/null
@@ -1,69 +0,0 @@
-const MOD: u32 = 65521;
-const NMAX: usize = 5552;
-
-pub fn update(a: u16, b: u16, data: &[u8]) -> (u16, u16) {
- let mut a = a as u32;
- let mut b = b as u32;
-
- let chunks = data.chunks_exact(NMAX);
- let remainder = chunks.remainder();
-
- for chunk in chunks {
- for byte in chunk {
- a = a.wrapping_add(*byte as _);
- b = b.wrapping_add(a);
- }
-
- a %= MOD;
- b %= MOD;
- }
-
- for byte in remainder {
- a = a.wrapping_add(*byte as _);
- b = b.wrapping_add(a);
- }
-
- a %= MOD;
- b %= MOD;
-
- (a as u16, b as u16)
-}
-
-#[cfg(test)]
-mod tests {
- #[test]
- fn zeroes() {
- assert_eq!(adler32(&[]), 1);
- assert_eq!(adler32(&[0]), 1 | 1 << 16);
- assert_eq!(adler32(&[0, 0]), 1 | 2 << 16);
- assert_eq!(adler32(&[0; 100]), 0x00640001);
- assert_eq!(adler32(&[0; 1024]), 0x04000001);
- assert_eq!(adler32(&[0; 1024 * 1024]), 0x00f00001);
- }
-
- #[test]
- fn ones() {
- assert_eq!(adler32(&[0xff; 1024]), 0x79a6fc2e);
- assert_eq!(adler32(&[0xff; 1024 * 1024]), 0x8e88ef11);
- }
-
- #[test]
- fn mixed() {
- assert_eq!(adler32(&[1]), 2 | 2 << 16);
- assert_eq!(adler32(&[40]), 41 | 41 << 16);
-
- assert_eq!(adler32(&[0xA5; 1024 * 1024]), 0xd5009ab1);
- }
-
- /// Example calculation from https://en.wikipedia.org/wiki/Adler-32.
- #[test]
- fn wiki() {
- assert_eq!(adler32(b"Wikipedia"), 0x11E60398);
- }
-
- fn adler32(data: &[u8]) -> u32 {
- let (a, b) = super::update(1, 0, data);
-
- u32::from(b) << 16 | u32::from(a)
- }
-}
diff --git a/vendor/simd-adler32/src/imp/sse2.rs b/vendor/simd-adler32/src/imp/sse2.rs
deleted file mode 100644
index b76df52..0000000
--- a/vendor/simd-adler32/src/imp/sse2.rs
+++ /dev/null
@@ -1,233 +0,0 @@
-use super::Adler32Imp;
-
-/// Resolves update implementation if CPU supports sse2 instructions.
-pub fn get_imp() -> Option<Adler32Imp> {
- get_imp_inner()
-}
-
-#[inline]
-#[cfg(all(feature = "std", any(target_arch = "x86", target_arch = "x86_64")))]
-fn get_imp_inner() -> Option<Adler32Imp> {
- if std::is_x86_feature_detected!("sse2") {
- Some(imp::update)
- } else {
- None
- }
-}
-
-#[inline]
-#[cfg(all(
- target_feature = "sse2",
- not(all(feature = "std", any(target_arch = "x86", target_arch = "x86_64")))
-))]
-fn get_imp_inner() -> Option<Adler32Imp> {
- Some(imp::update)
-}
-
-#[inline]
-#[cfg(all(
- not(target_feature = "sse2"),
- not(all(feature = "std", any(target_arch = "x86", target_arch = "x86_64")))
-))]
-fn get_imp_inner() -> Option<Adler32Imp> {
- None
-}
-
-#[cfg(all(
- any(target_arch = "x86", target_arch = "x86_64"),
- any(feature = "std", target_feature = "sse2")
-))]
-mod imp {
- const MOD: u32 = 65521;
- const NMAX: usize = 5552;
- const BLOCK_SIZE: usize = 32;
- const CHUNK_SIZE: usize = NMAX / BLOCK_SIZE * BLOCK_SIZE;
-
- #[cfg(target_arch = "x86")]
- use core::arch::x86::*;
- #[cfg(target_arch = "x86_64")]
- use core::arch::x86_64::*;
-
- pub fn update(a: u16, b: u16, data: &[u8]) -> (u16, u16) {
- unsafe { update_imp(a, b, data) }
- }
-
- #[inline]
- #[target_feature(enable = "sse2")]
- unsafe fn update_imp(a: u16, b: u16, data: &[u8]) -> (u16, u16) {
- let mut a = a as u32;
- let mut b = b as u32;
-
- let chunks = data.chunks_exact(CHUNK_SIZE);
- let remainder = chunks.remainder();
- for chunk in chunks {
- update_chunk_block(&mut a, &mut b, chunk);
- }
-
- update_block(&mut a, &mut b, remainder);
-
- (a as u16, b as u16)
- }
-
- unsafe fn update_chunk_block(a: &mut u32, b: &mut u32, chunk: &[u8]) {
- debug_assert_eq!(
- chunk.len(),
- CHUNK_SIZE,
- "Unexpected chunk size (expected {}, got {})",
- CHUNK_SIZE,
- chunk.len()
- );
-
- reduce_add_blocks(a, b, chunk);
-
- *a %= MOD;
- *b %= MOD;
- }
-
- unsafe fn update_block(a: &mut u32, b: &mut u32, chunk: &[u8]) {
- debug_assert!(
- chunk.len() <= CHUNK_SIZE,
- "Unexpected chunk size (expected <= {}, got {})",
- CHUNK_SIZE,
- chunk.len()
- );
-
- for byte in reduce_add_blocks(a, b, chunk) {
- *a += *byte as u32;
- *b += *a;
- }
-
- *a %= MOD;
- *b %= MOD;
- }
-
- #[inline(always)]
- unsafe fn reduce_add_blocks<'a>(a: &mut u32, b: &mut u32, chunk: &'a [u8]) -> &'a [u8] {
- if chunk.len() < BLOCK_SIZE {
- return chunk;
- }
-
- let blocks = chunk.chunks_exact(BLOCK_SIZE);
- let blocks_remainder = blocks.remainder();
-
- let zero_v = _mm_setzero_si128();
- let weight_hi_v = get_weight_hi();
- let weight_lo_v = get_weight_lo();
-
- let mut p_v = _mm_set_epi32(0, 0, 0, (*a * blocks.len() as u32) as _);
- let mut a_v = _mm_setzero_si128();
- let mut b_v = _mm_set_epi32(0, 0, 0, *b as _);
-
- for block in blocks {
- let block_ptr = block.as_ptr() as *const _;
- let left_v = _mm_loadu_si128(block_ptr);
- let right_v = _mm_loadu_si128(block_ptr.add(1));
-
- p_v = _mm_add_epi32(p_v, a_v);
-
- a_v = _mm_add_epi32(a_v, _mm_sad_epu8(left_v, zero_v));
- let mad = maddubs(left_v, weight_hi_v);
- b_v = _mm_add_epi32(b_v, mad);
-
- a_v = _mm_add_epi32(a_v, _mm_sad_epu8(right_v, zero_v));
- let mad = maddubs(right_v, weight_lo_v);
- b_v = _mm_add_epi32(b_v, mad);
- }
-
- b_v = _mm_add_epi32(b_v, _mm_slli_epi32(p_v, 5));
-
- *a += reduce_add(a_v);
- *b = reduce_add(b_v);
-
- blocks_remainder
- }
-
- #[inline(always)]
- unsafe fn maddubs(a: __m128i, b: __m128i) -> __m128i {
- let a_lo = _mm_unpacklo_epi8(a, _mm_setzero_si128());
- let a_hi = _mm_unpackhi_epi8(a, _mm_setzero_si128());
-
- let b_lo = _mm_unpacklo_epi8(b, _mm_setzero_si128());
- let b_hi = _mm_unpackhi_epi8(b, _mm_setzero_si128());
-
- let lo = _mm_madd_epi16(a_lo, b_lo);
- let hi = _mm_madd_epi16(a_hi, b_hi);
-
- _mm_add_epi32(lo, hi)
- }
-
- #[inline(always)]
- unsafe fn reduce_add(v: __m128i) -> u32 {
- let hi = _mm_unpackhi_epi64(v, v);
- let sum = _mm_add_epi32(hi, v);
- let hi = _mm_shuffle_epi32(sum, crate::imp::_MM_SHUFFLE(2, 3, 0, 1));
-
- let sum = _mm_add_epi32(sum, hi);
-
- _mm_cvtsi128_si32(sum) as _
- }
-
- #[inline(always)]
- unsafe fn get_weight_lo() -> __m128i {
- _mm_set_epi8(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
- }
-
- #[inline(always)]
- unsafe fn get_weight_hi() -> __m128i {
- _mm_set_epi8(
- 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32,
- )
- }
-}
-
-#[cfg(test)]
-mod tests {
- use rand::Rng;
-
- #[test]
- fn zeroes() {
- assert_sum_eq(&[]);
- assert_sum_eq(&[0]);
- assert_sum_eq(&[0, 0]);
- assert_sum_eq(&[0; 100]);
- assert_sum_eq(&[0; 1024]);
- assert_sum_eq(&[0; 1024 * 1024]);
- }
-
- #[test]
- fn ones() {
- assert_sum_eq(&[]);
- assert_sum_eq(&[1]);
- assert_sum_eq(&[1, 1]);
- assert_sum_eq(&[1; 100]);
- assert_sum_eq(&[1; 1024]);
- assert_sum_eq(&[1; 1024 * 1024]);
- }
-
- #[test]
- fn random() {
- let mut random = [0; 1024 * 1024];
- rand::thread_rng().fill(&mut random[..]);
-
- assert_sum_eq(&random[..1]);
- assert_sum_eq(&random[..100]);
- assert_sum_eq(&random[..1024]);
- assert_sum_eq(&random[..1024 * 1024]);
- }
-
- /// Example calculation from https://en.wikipedia.org/wiki/Adler-32.
- #[test]
- fn wiki() {
- assert_sum_eq(b"Wikipedia");
- }
-
- fn assert_sum_eq(data: &[u8]) {
- if let Some(update) = super::get_imp() {
- let (a, b) = update(1, 0, data);
- let left = u32::from(b) << 16 | u32::from(a);
- let right = adler::adler32_slice(data);
-
- assert_eq!(left, right, "len({})", data.len());
- }
- }
-}
diff --git a/vendor/simd-adler32/src/imp/ssse3.rs b/vendor/simd-adler32/src/imp/ssse3.rs
deleted file mode 100644
index 2602d47..0000000
--- a/vendor/simd-adler32/src/imp/ssse3.rs
+++ /dev/null
@@ -1,219 +0,0 @@
-use super::Adler32Imp;
-
-/// Resolves update implementation if CPU supports ssse3 instructions.
-pub fn get_imp() -> Option<Adler32Imp> {
- get_imp_inner()
-}
-
-#[inline]
-#[cfg(all(feature = "std", any(target_arch = "x86", target_arch = "x86_64")))]
-fn get_imp_inner() -> Option<Adler32Imp> {
- if std::is_x86_feature_detected!("ssse3") {
- Some(imp::update)
- } else {
- None
- }
-}
-
-#[inline]
-#[cfg(all(
- target_feature = "ssse3",
- not(all(feature = "std", any(target_arch = "x86", target_arch = "x86_64")))
-))]
-fn get_imp_inner() -> Option<Adler32Imp> {
- Some(imp::update)
-}
-
-#[inline]
-#[cfg(all(
- not(target_feature = "ssse3"),
- not(all(feature = "std", any(target_arch = "x86", target_arch = "x86_64")))
-))]
-fn get_imp_inner() -> Option<Adler32Imp> {
- None
-}
-
-#[cfg(all(
- any(target_arch = "x86", target_arch = "x86_64"),
- any(feature = "std", target_feature = "ssse3")
-))]
-mod imp {
- const MOD: u32 = 65521;
- const NMAX: usize = 5552;
- const BLOCK_SIZE: usize = 32;
- const CHUNK_SIZE: usize = NMAX / BLOCK_SIZE * BLOCK_SIZE;
-
- #[cfg(target_arch = "x86")]
- use core::arch::x86::*;
- #[cfg(target_arch = "x86_64")]
- use core::arch::x86_64::*;
-
- pub fn update(a: u16, b: u16, data: &[u8]) -> (u16, u16) {
- unsafe { update_imp(a, b, data) }
- }
-
- #[inline]
- #[target_feature(enable = "ssse3")]
- unsafe fn update_imp(a: u16, b: u16, data: &[u8]) -> (u16, u16) {
- let mut a = a as u32;
- let mut b = b as u32;
-
- let chunks = data.chunks_exact(CHUNK_SIZE);
- let remainder = chunks.remainder();
- for chunk in chunks {
- update_chunk_block(&mut a, &mut b, chunk);
- }
-
- update_block(&mut a, &mut b, remainder);
-
- (a as u16, b as u16)
- }
-
- unsafe fn update_chunk_block(a: &mut u32, b: &mut u32, chunk: &[u8]) {
- debug_assert_eq!(
- chunk.len(),
- CHUNK_SIZE,
- "Unexpected chunk size (expected {}, got {})",
- CHUNK_SIZE,
- chunk.len()
- );
-
- reduce_add_blocks(a, b, chunk);
-
- *a %= MOD;
- *b %= MOD;
- }
-
- unsafe fn update_block(a: &mut u32, b: &mut u32, chunk: &[u8]) {
- debug_assert!(
- chunk.len() <= CHUNK_SIZE,
- "Unexpected chunk size (expected <= {}, got {})",
- CHUNK_SIZE,
- chunk.len()
- );
-
- for byte in reduce_add_blocks(a, b, chunk) {
- *a += *byte as u32;
- *b += *a;
- }
-
- *a %= MOD;
- *b %= MOD;
- }
-
- #[inline(always)]
- unsafe fn reduce_add_blocks<'a>(a: &mut u32, b: &mut u32, chunk: &'a [u8]) -> &'a [u8] {
- if chunk.len() < BLOCK_SIZE {
- return chunk;
- }
-
- let blocks = chunk.chunks_exact(BLOCK_SIZE);
- let blocks_remainder = blocks.remainder();
-
- let one_v = _mm_set1_epi16(1);
- let zero_v = _mm_set1_epi16(0);
- let weight_hi_v = get_weight_hi();
- let weight_lo_v = get_weight_lo();
-
- let mut p_v = _mm_set_epi32(0, 0, 0, (*a * blocks.len() as u32) as _);
- let mut a_v = _mm_set_epi32(0, 0, 0, 0);
- let mut b_v = _mm_set_epi32(0, 0, 0, *b as _);
-
- for block in blocks {
- let block_ptr = block.as_ptr() as *const _;
- let left_v = _mm_loadu_si128(block_ptr);
- let right_v = _mm_loadu_si128(block_ptr.add(1));
-
- p_v = _mm_add_epi32(p_v, a_v);
-
- a_v = _mm_add_epi32(a_v, _mm_sad_epu8(left_v, zero_v));
- let mad = _mm_maddubs_epi16(left_v, weight_hi_v);
- b_v = _mm_add_epi32(b_v, _mm_madd_epi16(mad, one_v));
-
- a_v = _mm_add_epi32(a_v, _mm_sad_epu8(right_v, zero_v));
- let mad = _mm_maddubs_epi16(right_v, weight_lo_v);
- b_v = _mm_add_epi32(b_v, _mm_madd_epi16(mad, one_v));
- }
-
- b_v = _mm_add_epi32(b_v, _mm_slli_epi32(p_v, 5));
-
- *a += reduce_add(a_v);
- *b = reduce_add(b_v);
-
- blocks_remainder
- }
-
- #[inline(always)]
- unsafe fn reduce_add(v: __m128i) -> u32 {
- let hi = _mm_unpackhi_epi64(v, v);
- let sum = _mm_add_epi32(hi, v);
- let hi = _mm_shuffle_epi32(sum, crate::imp::_MM_SHUFFLE(2, 3, 0, 1));
- let sum = _mm_add_epi32(sum, hi);
-
- _mm_cvtsi128_si32(sum) as _
- }
-
- #[inline(always)]
- unsafe fn get_weight_lo() -> __m128i {
- _mm_set_epi8(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
- }
-
- #[inline(always)]
- unsafe fn get_weight_hi() -> __m128i {
- _mm_set_epi8(
- 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32,
- )
- }
-}
-
-#[cfg(test)]
-mod tests {
- use rand::Rng;
-
- #[test]
- fn zeroes() {
- assert_sum_eq(&[]);
- assert_sum_eq(&[0]);
- assert_sum_eq(&[0, 0]);
- assert_sum_eq(&[0; 100]);
- assert_sum_eq(&[0; 1024]);
- assert_sum_eq(&[0; 1024 * 1024]);
- }
-
- #[test]
- fn ones() {
- assert_sum_eq(&[]);
- assert_sum_eq(&[1]);
- assert_sum_eq(&[1, 1]);
- assert_sum_eq(&[1; 100]);
- assert_sum_eq(&[1; 1024]);
- assert_sum_eq(&[1; 1024 * 1024]);
- }
-
- #[test]
- fn random() {
- let mut random = [0; 1024 * 1024];
- rand::thread_rng().fill(&mut random[..]);
-
- assert_sum_eq(&random[..1]);
- assert_sum_eq(&random[..100]);
- assert_sum_eq(&random[..1024]);
- assert_sum_eq(&random[..1024 * 1024]);
- }
-
- /// Example calculation from https://en.wikipedia.org/wiki/Adler-32.
- #[test]
- fn wiki() {
- assert_sum_eq(b"Wikipedia");
- }
-
- fn assert_sum_eq(data: &[u8]) {
- if let Some(update) = super::get_imp() {
- let (a, b) = update(1, 0, data);
- let left = u32::from(b) << 16 | u32::from(a);
- let right = adler::adler32_slice(data);
-
- assert_eq!(left, right, "len({})", data.len());
- }
- }
-}
diff --git a/vendor/simd-adler32/src/imp/wasm.rs b/vendor/simd-adler32/src/imp/wasm.rs
deleted file mode 100644
index 5a9152b..0000000
--- a/vendor/simd-adler32/src/imp/wasm.rs
+++ /dev/null
@@ -1,217 +0,0 @@
-use super::Adler32Imp;
-
-/// Resolves update implementation if CPU supports simd128 instructions.
-pub fn get_imp() -> Option<Adler32Imp> {
- get_imp_inner()
-}
-
-#[inline]
-#[cfg(target_feature = "simd128")]
-fn get_imp_inner() -> Option<Adler32Imp> {
- Some(imp::update)
-}
-
-#[inline]
-#[cfg(not(target_feature = "simd128"))]
-fn get_imp_inner() -> Option<Adler32Imp> {
- None
-}
-
-#[cfg(target_feature = "simd128")]
-mod imp {
- const MOD: u32 = 65521;
- const NMAX: usize = 5552;
- const BLOCK_SIZE: usize = 32;
- const CHUNK_SIZE: usize = NMAX / BLOCK_SIZE * BLOCK_SIZE;
-
- #[cfg(target_arch = "wasm32")]
- use core::arch::wasm32::*;
- #[cfg(target_arch = "wasm64")]
- use core::arch::wasm64::*;
-
- pub fn update(a: u16, b: u16, data: &[u8]) -> (u16, u16) {
- update_imp(a, b, data)
- }
-
- #[inline]
- #[target_feature(enable = "simd128")]
- fn update_imp(a: u16, b: u16, data: &[u8]) -> (u16, u16) {
- let mut a = a as u32;
- let mut b = b as u32;
-
- let chunks = data.chunks_exact(CHUNK_SIZE);
- let remainder = chunks.remainder();
- for chunk in chunks {
- update_chunk_block(&mut a, &mut b, chunk);
- }
-
- update_block(&mut a, &mut b, remainder);
-
- (a as u16, b as u16)
- }
-
- fn update_chunk_block(a: &mut u32, b: &mut u32, chunk: &[u8]) {
- debug_assert_eq!(
- chunk.len(),
- CHUNK_SIZE,
- "Unexpected chunk size (expected {}, got {})",
- CHUNK_SIZE,
- chunk.len()
- );
-
- reduce_add_blocks(a, b, chunk);
-
- *a %= MOD;
- *b %= MOD;
- }
-
- fn update_block(a: &mut u32, b: &mut u32, chunk: &[u8]) {
- debug_assert!(
- chunk.len() <= CHUNK_SIZE,
- "Unexpected chunk size (expected <= {}, got {})",
- CHUNK_SIZE,
- chunk.len()
- );
-
- for byte in reduce_add_blocks(a, b, chunk) {
- *a += *byte as u32;
- *b += *a;
- }
-
- *a %= MOD;
- *b %= MOD;
- }
-
- #[inline(always)]
- fn reduce_add_blocks<'a>(a: &mut u32, b: &mut u32, chunk: &'a [u8]) -> &'a [u8] {
- if chunk.len() < BLOCK_SIZE {
- return chunk;
- }
-
- let blocks = chunk.chunks_exact(BLOCK_SIZE);
- let blocks_remainder = blocks.remainder();
-
- let weight_hi_v = get_weight_hi();
- let weight_lo_v = get_weight_lo();
-
- let mut p_v = u32x4(*a * blocks.len() as u32, 0, 0, 0);
- let mut a_v = u32x4(0, 0, 0, 0);
- let mut b_v = u32x4(*b, 0, 0, 0);
-
- for block in blocks {
- let block_ptr = block.as_ptr() as *const v128;
- let v_lo = unsafe { block_ptr.read_unaligned() };
- let v_hi = unsafe { block_ptr.add(1).read_unaligned() };
-
- p_v = u32x4_add(p_v, a_v);
-
- a_v = u32x4_add(a_v, u32x4_extadd_quarters_u8x16(v_lo));
- let mad = i32x4_dot_i8x16(v_lo, weight_lo_v);
- b_v = u32x4_add(b_v, mad);
-
- a_v = u32x4_add(a_v, u32x4_extadd_quarters_u8x16(v_hi));
- let mad = i32x4_dot_i8x16(v_hi, weight_hi_v);
- b_v = u32x4_add(b_v, mad);
- }
-
- b_v = u32x4_add(b_v, u32x4_shl(p_v, 5));
-
- *a += reduce_add(a_v);
- *b = reduce_add(b_v);
-
- blocks_remainder
- }
-
- #[inline(always)]
- fn i32x4_dot_i8x16(a: v128, b: v128) -> v128 {
- let a_lo = u16x8_extend_low_u8x16(a);
- let a_hi = u16x8_extend_high_u8x16(a);
-
- let b_lo = u16x8_extend_low_u8x16(b);
- let b_hi = u16x8_extend_high_u8x16(b);
-
- let lo = i32x4_dot_i16x8(a_lo, b_lo);
- let hi = i32x4_dot_i16x8(a_hi, b_hi);
-
- i32x4_add(lo, hi)
- }
-
- #[inline(always)]
- fn u32x4_extadd_quarters_u8x16(a: v128) -> v128 {
- u32x4_extadd_pairwise_u16x8(u16x8_extadd_pairwise_u8x16(a))
- }
-
- #[inline(always)]
- fn reduce_add(v: v128) -> u32 {
- let arr: [u32; 4] = unsafe { std::mem::transmute(v) };
- let mut sum = 0u32;
- for val in arr {
- sum = sum.wrapping_add(val);
- }
- sum
- }
-
- #[inline(always)]
- fn get_weight_lo() -> v128 {
- u8x16(
- 32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17,
- )
- }
-
- #[inline(always)]
- fn get_weight_hi() -> v128 {
- u8x16(16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1)
- }
-}
-
-#[cfg(test)]
-mod tests {
- use rand::Rng;
-
- #[test]
- fn zeroes() {
- assert_sum_eq(&[]);
- assert_sum_eq(&[0]);
- assert_sum_eq(&[0, 0]);
- assert_sum_eq(&[0; 100]);
- assert_sum_eq(&[0; 1024]);
- assert_sum_eq(&[0; 512 * 1024]);
- }
-
- #[test]
- fn ones() {
- assert_sum_eq(&[]);
- assert_sum_eq(&[1]);
- assert_sum_eq(&[1, 1]);
- assert_sum_eq(&[1; 100]);
- assert_sum_eq(&[1; 1024]);
- assert_sum_eq(&[1; 512 * 1024]);
- }
-
- #[test]
- fn random() {
- let mut random = [0; 512 * 1024];
- rand::thread_rng().fill(&mut random[..]);
-
- assert_sum_eq(&random[..1]);
- assert_sum_eq(&random[..100]);
- assert_sum_eq(&random[..1024]);
- assert_sum_eq(&random[..512 * 1024]);
- }
-
- /// Example calculation from https://en.wikipedia.org/wiki/Adler-32.
- #[test]
- fn wiki() {
- assert_sum_eq(b"Wikipedia");
- }
-
- fn assert_sum_eq(data: &[u8]) {
- if let Some(update) = super::get_imp() {
- let (a, b) = update(1, 0, data);
- let left = u32::from(b) << 16 | u32::from(a);
- let right = adler::adler32_slice(data);
-
- assert_eq!(left, right, "len({})", data.len());
- }
- }
-}