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deusdata--codebase-memory-mcp/scripts/benchmark-search-graph.sh
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#!/usr/bin/env bash
# benchmark-search-graph.sh — Time search_graph name_pattern= queries against a
# codebase-memory-mcp binary to measure the regex / LIKE pre-filter performance.
#
# Usage:
# scripts/benchmark-search-graph.sh <binary-path> <project-name>
#
# Example:
# scripts/benchmark-search-graph.sh ./build/c/codebase-memory-mcp my-project
set -euo pipefail
BINARY="${1:?Usage: $0 <binary-path> <project-name>}"
PROJECT="${2:?Usage: $0 <binary-path> <project-name>}"
echo "Binary: $BINARY"
echo "Project: $PROJECT"
echo ""
run_case() {
local label="$1"
local request="$2"
local start end elapsed_ms result
start=$(date +%s%3N)
result=$(echo "$request" | "$BINARY" 2>/dev/null || true)
end=$(date +%s%3N)
elapsed_ms=$(( end - start ))
local count
count=$(echo "$result" | python3 -c "
import sys, json
try:
d = json.load(sys.stdin)
content = d.get('result', {}).get('content', [{}])[0].get('text', '{}')
obj = json.loads(content)
print(obj.get('total', obj.get('count', '?')))
except Exception:
print('?')
" 2>/dev/null || echo "?")
printf " %-55s %5dms (total=%s)\n" "$label" "$elapsed_ms" "$count"
}
sg() {
local project="$1"
local args="$2"
printf '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"search_graph","arguments":{"project":"%s",%s}}}' \
"$project" "$args"
}
echo "=== search_graph name_pattern= benchmarks ==="
run_case "name_pattern=.*Controller.*" "$(sg "$PROJECT" '"name_pattern":".*Controller.*","limit":20')"
run_case "name_pattern=.*Service.*" "$(sg "$PROJECT" '"name_pattern":".*Service.*","limit":20')"
run_case "name_pattern=.*Repository.*" "$(sg "$PROJECT" '"name_pattern":".*Repository.*","limit":20')"
run_case "name_pattern=specificFunctionName" "$(sg "$PROJECT" '"name_pattern":"specificFunctionName","limit":20')"
run_case "label=Method + name_pattern=.*get.*" "$(sg "$PROJECT" '"label":"Method","name_pattern":".*get.*","limit":20')"
echo ""
echo "=== search_graph query= benchmarks (BM25 path) ==="
run_case "query=controller service handler" "$(sg "$PROJECT" '"query":"controller service handler","limit":20')"
run_case "query=user authentication permission role" "$(sg "$PROJECT" '"query":"user authentication permission role","limit":20')"
run_case "query=create update delete manage list view admin" "$(sg "$PROJECT" '"query":"create update delete manage list view admin","limit":20')"