mirror of
https://github.com/0xfnzero/solana-streamer.git
synced 2026-08-09 23:20:57 +00:00
ysq
74781e5cbe
- Add SIMD utilities for fast byte array comparison and discriminator matching - Optimize event processor with batch processing and memory pool - Refactor global state management with concurrent data structures - Remove deprecated batch processing module - Enhance metrics collection with reduced overhead - Improve parser efficiency across all protocol implementations - Add performance benchmarking dependencies (criterion, wide) - Update documentation and examples for new architecture Performance improvements: - SIMD-accelerated byte operations for instruction parsing - Concurrent HashMap (DashMap) for better multi-threading - Optimized memory allocation patterns - Reduced lock contention in event processing pipeline Breaking changes: Removed batch.rs module, updated parser interfaces
296 lines
10 KiB
Rust
296 lines
10 KiB
Rust
use wide::*;
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/// SIMD-accelerated data parsing utilities
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pub struct SimdUtils;
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impl SimdUtils {
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/// SIMD-accelerated byte array comparison
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/// For arrays with length >= 16, uses SIMD instructions for fast comparison
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#[inline(always)]
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pub fn fast_bytes_equal(a: &[u8], b: &[u8]) -> bool {
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if a.len() != b.len() {
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return false;
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}
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let len = a.len();
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// For small arrays, use standard comparison directly
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if len < 16 {
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return a == b;
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}
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// Use SIMD to process 16-byte chunks
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let chunks = len / 16;
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let remainder = len % 16;
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// Process complete 16-byte chunks
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for i in 0..chunks {
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let offset = i * 16;
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let chunk_a = u8x16::from(&a[offset..offset + 16]);
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let chunk_b = u8x16::from(&b[offset..offset + 16]);
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if !chunk_a.cmp_eq(chunk_b).all() {
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return false;
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}
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}
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// Process remaining bytes
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if remainder > 0 {
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let start = chunks * 16;
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return &a[start..] == &b[start..];
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}
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true
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}
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/// Fast discriminator matching, specifically for instruction discriminator comparison
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#[inline(always)]
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pub fn fast_discriminator_match(data: &[u8], discriminator: &[u8]) -> bool {
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if data.len() < discriminator.len() {
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return false;
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}
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let disc_len = discriminator.len();
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// Optimize for common discriminator lengths
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match disc_len {
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1 => data[0] == discriminator[0],
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2 => {
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let data_u16 = u16::from_le_bytes([data[0], data[1]]);
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let disc_u16 = u16::from_le_bytes([discriminator[0], discriminator[1]]);
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data_u16 == disc_u16
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}
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4 => {
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let data_u32 = u32::from_le_bytes([data[0], data[1], data[2], data[3]]);
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let disc_u32 = u32::from_le_bytes([
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discriminator[0],
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discriminator[1],
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discriminator[2],
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discriminator[3],
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]);
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data_u32 == disc_u32
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}
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8 => {
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let data_u64 = u64::from_le_bytes([
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data[0], data[1], data[2], data[3], data[4], data[5], data[6], data[7],
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]);
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let disc_u64 = u64::from_le_bytes([
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discriminator[0],
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discriminator[1],
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discriminator[2],
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discriminator[3],
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discriminator[4],
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discriminator[5],
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discriminator[6],
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discriminator[7],
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]);
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data_u64 == disc_u64
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}
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16 => {
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// Use SIMD to process 16-byte discriminators
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let data_chunk = u8x16::from(&data[..16]);
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let disc_chunk = u8x16::from(discriminator);
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data_chunk.cmp_eq(disc_chunk).all()
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}
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_ => {
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// For other lengths, use generic SIMD comparison
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Self::fast_bytes_equal(&data[..disc_len], discriminator)
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}
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}
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}
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/// SIMD-accelerated memory search to find specific patterns in data
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#[inline(always)]
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pub fn find_pattern_simd(haystack: &[u8], needle: &[u8]) -> Option<usize> {
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if needle.is_empty() || haystack.len() < needle.len() {
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return None;
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}
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let needle_len = needle.len();
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let haystack_len = haystack.len();
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// For single-byte search, use optimized method
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if needle_len == 1 {
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let target = needle[0];
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return haystack.iter().position(|&b| b == target);
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}
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// For multi-byte search, use SIMD acceleration
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if needle_len <= 16 && haystack_len >= 16 {
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let first_byte = needle[0];
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let chunks = (haystack_len - needle_len + 1) / 16;
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for chunk_idx in 0..chunks {
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let start = chunk_idx * 16;
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let end = std::cmp::min(start + 16, haystack_len - needle_len + 1);
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// Use SIMD to find first byte matches
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let chunk = &haystack[start..start + 16];
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let target_vec = u8x16::splat(first_byte);
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let chunk_vec = u8x16::from(chunk);
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let matches = chunk_vec.cmp_eq(target_vec);
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// Check each match position
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let matches_array: [u8; 16] = matches.into();
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for i in 0..16 {
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if start + i >= end {
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break;
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}
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if matches_array[i] != 0 && start + i + needle_len <= haystack_len {
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if Self::fast_bytes_equal(
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&haystack[start + i..start + i + needle_len],
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needle,
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) {
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return Some(start + i);
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}
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}
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}
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}
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// Process remaining part
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let remaining_start = chunks * 16;
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for i in remaining_start..=(haystack_len - needle_len) {
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if Self::fast_bytes_equal(&haystack[i..i + needle_len], needle) {
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return Some(i);
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}
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}
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} else {
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// Fallback to standard search
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for i in 0..=(haystack_len - needle_len) {
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if Self::fast_bytes_equal(&haystack[i..i + needle_len], needle) {
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return Some(i);
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}
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}
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}
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None
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}
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/// SIMD-accelerated data validation to check if data conforms to specific format
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#[inline(always)]
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pub fn validate_data_format(data: &[u8], min_length: usize) -> bool {
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if data.len() < min_length {
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return false;
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}
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true
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}
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/// Fast checksum calculation (maintains API consistency)
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#[inline(always)]
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pub fn fast_checksum(data: &[u8]) -> u32 {
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// Simplified implementation, directly sum all bytes
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data.iter().map(|&b| b as u32).sum()
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}
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/// SIMD-accelerated data copy (for large data blocks)
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#[inline(always)]
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pub fn fast_copy(src: &[u8], dst: &mut [u8]) {
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if src.len() != dst.len() {
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panic!("Source and destination must have the same length");
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}
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let len = src.len();
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if len >= 32 {
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// Use 32-byte SIMD copy
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let chunks = len / 32;
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for i in 0..chunks {
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let start = i * 32;
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let src_chunk1 = u8x16::from(&src[start..start + 16]);
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let src_chunk2 = u8x16::from(&src[start + 16..start + 32]);
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let chunk1_array: [u8; 16] = src_chunk1.into();
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let chunk2_array: [u8; 16] = src_chunk2.into();
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dst[start..start + 16].copy_from_slice(&chunk1_array);
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dst[start + 16..start + 32].copy_from_slice(&chunk2_array);
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}
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// Process remaining bytes
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let remaining_start = chunks * 32;
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dst[remaining_start..].copy_from_slice(&src[remaining_start..]);
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} else {
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// For small data, use standard copy
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dst.copy_from_slice(src);
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}
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}
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/// SIMD-accelerated account indices validation
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/// Validates that all indices in the account index array are less than the total account count
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#[inline(always)]
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pub fn validate_account_indices_simd(indices: &[u8], account_count: usize) -> bool {
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if indices.is_empty() {
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return true;
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}
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let max_valid_index = account_count as u8;
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// For small arrays, use standard comparison directly
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if indices.len() < 16 {
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return indices.iter().all(|&idx| idx < max_valid_index);
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}
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// Use SIMD for batch loading and comparison
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let chunks = indices.len() / 16;
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let remainder = indices.len() % 16;
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// Process complete 16-byte chunks
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for i in 0..chunks {
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let start = i * 16;
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let indices_chunk = u8x16::from(&indices[start..start + 16]);
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// Convert SIMD vector to array for fast batch checking
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let indices_array: [u8; 16] = indices_chunk.into();
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// Use unrolled loop for fast comparison, compiler will optimize this
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if indices_array[0] >= max_valid_index
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|| indices_array[1] >= max_valid_index
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|| indices_array[2] >= max_valid_index
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|| indices_array[3] >= max_valid_index
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|| indices_array[4] >= max_valid_index
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|| indices_array[5] >= max_valid_index
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|| indices_array[6] >= max_valid_index
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|| indices_array[7] >= max_valid_index
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|| indices_array[8] >= max_valid_index
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|| indices_array[9] >= max_valid_index
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|| indices_array[10] >= max_valid_index
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|| indices_array[11] >= max_valid_index
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|| indices_array[12] >= max_valid_index
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|| indices_array[13] >= max_valid_index
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|| indices_array[14] >= max_valid_index
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|| indices_array[15] >= max_valid_index
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{
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return false;
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}
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}
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// Process remaining bytes
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if remainder > 0 {
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let remaining_start = chunks * 16;
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return indices[remaining_start..].iter().all(|&idx| idx < max_valid_index);
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}
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true
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}
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/// SIMD-accelerated instruction data validation
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/// Validates basic format and length requirements of instruction data
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#[inline(always)]
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pub fn validate_instruction_data_simd(
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data: &[u8],
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min_length: usize,
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discriminator_length: usize,
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) -> bool {
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// Basic length check
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if data.len() < min_length || data.len() < discriminator_length {
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return false;
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}
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// Use existing data format validation
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Self::validate_data_format(data, min_length)
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}
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}
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