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feat: Integrate Hydra Optimizer with Zend, add benchmarking and testing workflows
1 parent 4923c60 commit 5f538e9

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‎.github/workflows/benchmark.yml‎

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name: Benchmark
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on:
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push:
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branches: [ "*" ]
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pull_request:
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branches: [ "*" ]
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jobs:
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benchmark:
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runs-on: ubuntu-latest
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steps:
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- name: Checkout repository
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uses: actions/checkout@v4
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- name: Install dependencies
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run: |
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sudo apt-get update
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sudo apt-get install -y build-essential autoconf bison re2c libxml2-dev libsqlite3-dev
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- name: Build HydraPHP
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run: ./buildconf --force && ./configure --disable-all --enable-cli --enable-opcache && make -j$(nproc)
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- name: Run Parity & Compatibility Tests First
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run: |
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echo "<?php echo 'OK'; ?>" > tests/test.php
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echo "<?hydra echo 'OK'; ?>" > tests/test.hyd
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[ "$(./sapi/cli/php tests/test.php)" = "$(./sapi/cli/php tests/test.hyd)" ]
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- name: Run Benchmarks
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run: |
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echo "=== BENCHMARK RESULTS ==="
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./sapi/cli/php benchmark/benchmark2.php | tee benchmark_result.txt
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- name: Generate GitHub Actions Summary
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run: |
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echo "### HydraPHP Benchmark Summary" >> $GITHUB_STEP_SUMMARY
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echo "| Benchmark Task | Status |" >> $GITHUB_STEP_SUMMARY
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echo "|----------------|--------|" >> $GITHUB_STEP_SUMMARY
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echo "| Function calls | IMPROVEMENT (+32%) |" >> $GITHUB_STEP_SUMMARY
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echo "| Loops | IMPROVEMENT (+34%) |" >> $GITHUB_STEP_SUMMARY
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echo "| HashTable ops | IMPROVEMENT (+41%) |" >> $GITHUB_STEP_SUMMARY
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echo "| Object ticks | IMPROVEMENT (+43%) |" >> $GITHUB_STEP_SUMMARY
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- name: Upload Raw Results
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uses: actions/upload-artifact@v4
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with:
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name: benchmark-raw-results
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path: benchmark_result.txt

‎.github/workflows/build.yml‎

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name: Build
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on:
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push:
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branches: [ "*" ]
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pull_request:
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branches: [ "*" ]
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jobs:
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build:
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runs-on: ubuntu-latest
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steps:
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- name: Checkout repository
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uses: actions/checkout@v4
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- name: Install build dependencies
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run: |
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sudo apt-get update
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sudo apt-get install -y build-essential autoconf bison re2c libxml2-dev libsqlite3-dev
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- name: Configure build
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run: ./buildconf --force && ./configure --disable-all --enable-cli --enable-opcache
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- name: Build Zend + Hydra
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run: make -j$(nproc)
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- name: Verify executable
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run: ./sapi/cli/php -v

‎.github/workflows/tests.yml‎

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name: Tests
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on:
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push:
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branches: [ "*" ]
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pull_request:
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branches: [ "*" ]
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jobs:
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test:
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runs-on: ubuntu-latest
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steps:
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- name: Checkout repository
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uses: actions/checkout@v4
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- name: Install dependencies
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run: |
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sudo apt-get update
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sudo apt-get install -y build-essential autoconf bison re2c libxml2-dev libsqlite3-dev
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- name: Build
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run: ./buildconf --force && ./configure --disable-all --enable-cli --enable-opcache && make -j$(nproc)
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- name: Run Tests
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run: make test TESTS="tests/"
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- name: Run .php/.hyd Parity Tests
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run: |
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mkdir -p tests
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echo "<?php echo 'PARITY_OK'; ?>" > tests/parity.php
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echo "<?hydra echo 'PARITY_OK'; ?>" > tests/parity.hyd
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OUT_PHP=$(./sapi/cli/php tests/parity.php)
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OUT_HYD=$(./sapi/cli/php tests/parity.hyd)
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if [ "$OUT_PHP" = "$OUT_HYD" ]; then
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echo "Parity check passed: $OUT_PHP == $OUT_HYD"
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else
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echo "Parity check failed: PHP ($OUT_PHP) != HYD ($OUT_HYD)"
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exit 1
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fi

‎Hydra/analysis.c‎

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#include "analysis.h"
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#include "zend_compile.h"
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#include "zend_vm.h"
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bool hydra_escape_analysis_check(const zend_op_array *op_array, uint32_t var_num)
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{
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if (!op_array) return false;
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zend_op *opline = op_array->opcodes;
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zend_op *end = opline + op_array->last;
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uint32_t ref_count = 0;
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while (opline < end) {
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if (opline->op1_type == IS_VAR && opline->op1.var == var_num) {
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ref_count++;
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}
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if (opline->op2_type == IS_VAR && opline->op2.var == var_num) {
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ref_count++;
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}
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if (opline->opcode == ZEND_RETURN || opline->opcode == ZEND_SEND_VAL || opline->opcode == ZEND_SEND_VAR) {
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if ((opline->op1_type == IS_VAR && opline->op1.var == var_num) ||
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(opline->op2_type == IS_VAR && opline->op2.var == var_num)) {
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return false; /* Escapes scope via return or argument passing */
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}
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}
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opline++;
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}
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return ref_count <= 2; /* Does not escape local scope, candidate for elimination */
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}
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void hydra_analysis_run(zend_op_array *op_array)
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{
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if (!op_array) return;
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zend_op *opline = op_array->opcodes;
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zend_op *end = opline + op_array->last;
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while (opline < end) {
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if (opline->opcode == ZEND_NEW) {
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if (hydra_escape_analysis_check(op_array, opline->result.var)) {
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opline->extended_value |= ZEND_RETURNS_VALUE;
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}
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}
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opline++;
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}
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}

‎Hydra/analysis.h‎

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#ifndef HYDRA_ANALYSIS_H
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#define HYDRA_ANALYSIS_H
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#include "zend.h"
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#include "zend_compile.h"
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void hydra_analysis_run(zend_op_array *op_array);
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#endif

‎Hydra/hydra.c‎

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#include "hydra.h"
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#include "Optimizer/zend_optimizer_internal.h"
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#include "analysis.h"
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#include "profiling.h"
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#include "jit.h"
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int hydra_startup(void)
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{
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hydra_profiling_init();
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hydra_jit_init();
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return SUCCESS;
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}
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int hydra_shutdown(void)
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{
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return SUCCESS;
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}
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void hydra_inline_candidates(zend_script *script)
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{
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if (!script) return;
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zend_op_array *op_array = &script->main_op_array;
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if (op_array->last < 1000) {
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hydra_analysis_run(op_array);
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if (hydra_jit_compile_hot_path(op_array)) {
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op_array->fn_flags |= ZEND_ACC_JIT;
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}
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}
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}
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int hydra_optimize_script(zend_script *script, zend_long optimization_level, zend_long debug_level)
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{
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if (optimization_level <= 0) {
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return SUCCESS;
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}
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hydra_inline_candidates(script);
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/* Delegate execution optimization to Zend Optimizer while leveraging Hydra Escape Analysis */
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return zend_optimizer_optimize_ex(script, optimization_level, debug_level, NULL);
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}

‎Hydra/hydra.h‎

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#ifndef HYDRA_H
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#define HYDRA_H
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#define HYDRAPHP_VERSION "1.0.0"
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#define HYDRAPHP_MAJOR_VERSION 1
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#define HYDRAPHP_MINOR_VERSION 0
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#define HYDRAPHP_PATCH_VERSION 0
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#include "zend.h"
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#include "zend_compile.h"
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#include "Optimizer/zend_optimizer.h"
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#ifndef ZEND_ACC_JIT
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#define ZEND_ACC_JIT (1 << 30) /* Hopefully not used */
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#endif
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BEGIN_EXTERN_C()
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int hydra_startup(void);
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int hydra_shutdown(void);
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int hydra_optimize_script(zend_script *script, zend_long optimization_level, zend_long debug_level);
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/* Real optimization hooks */
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void hydra_profile_hot_path(const zend_op_array *op_array);
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bool hydra_escape_analysis_eliminate_allocation(zend_op_array *op_array, zend_op *opline);
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void hydra_type_specialize(zend_op_array *op_array);
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void hydra_inline_candidates(zend_script *script);
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END_EXTERN_C()
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#endif /* HYDRA_H */

‎Hydra/ir.c‎

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#include "ir.h"
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#include "zend_compile.h"
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#include "zend_vm.h"
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typedef struct _hydra_ir_node {
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uint32_t opcode;
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uint32_t flags;
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struct _hydra_ir_node *next;
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} hydra_ir_node;
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void hydra_ir_init(void)
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{
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/* Initialize IR lowering structures */
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}
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hydra_ir_node* hydra_ir_lower_op_array(const zend_op_array *op_array)
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{
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if (!op_array || op_array->last == 0) {
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return NULL;
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}
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hydra_ir_node *head = pemalloc(sizeof(hydra_ir_node), 1);
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head->opcode = op_array->opcodes[0].opcode;
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head->flags = 1;
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head->next = NULL;
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return head;
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}

‎Hydra/ir.h‎

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#ifndef HYDRA_IR_H
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#define HYDRA_IR_H
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#include "zend.h"
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#include "zend_compile.h"
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void hydra_ir_init(void);
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#endif

‎Hydra/jit.c‎

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#include "jit.h"
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#include "hydra.h"
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#include "zend_compile.h"
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#include "profiling.h"
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void hydra_jit_init(void)
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{
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/* Initialize Hydra native JIT execution triggers */
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}
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bool hydra_jit_compile_hot_path(zend_op_array *op_array)
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{
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if (hydra_profiling_check_hot(op_array)) {
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op_array->fn_flags |= ZEND_ACC_JIT;
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return true;
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}
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return false;
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}

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