better readme

README.md

@@ -189,16 +189,38 @@ make run PORT=9000 DATA_DIR=/tmp/db VERBOSE=1
 
 ## Performance
 
-From benchmarks on the original Zig version (Odin expected to be similar or better):
+Benchmarked on single node localhost, 1000 iterations per test.
 
-```
-Sequential Writes     |      10000 ops |   245.32 ms |    40765 ops/sec
-Random Reads          |      10000 ops |   312.45 ms |    32006 ops/sec
-Batch Writes          |      10000 ops |    89.23 ms |   112071 ops/sec
-PutItem               |       5000 ops |   892.34 ms |     5604 ops/sec
-GetItem               |       5000 ops |   678.91 ms |     7365 ops/sec
-Scan (full table)     |       5000 ops |   234.56 ms |    21320 ops/sec
-```
+### Basic Operations
+
+| Operation | Throughput | Avg Latency | P95 Latency | P99 Latency |
+|-----------|------------|-------------|-------------|-------------|
+| **PutItem** | 1,021 ops/sec | 0.98ms | 1.02ms | 1.64ms |
+| **GetItem** | 1,207 ops/sec | 0.83ms | 0.90ms | 1.14ms |
+| **Query** | 1,002 ops/sec | 1.00ms | 1.11ms | 1.85ms |
+| **Scan** (100 items) | 18,804 ops/sec | 0.05ms | - | - |
+| **DeleteItem** | 1,254 ops/sec | 0.80ms | - | - |
+
+### Batch Operations
+
+| Operation | Throughput | Batch Size |
+|-----------|------------|------------|
+| **BatchWriteItem** | 9,297 ops/sec | 25 items |
+| **BatchGetItem** | 9,113 ops/sec | 25 items |
+
+### Concurrent Operations
+
+| Workers | Throughput | Avg Latency | P95 Latency | P99 Latency |
+|---------|------------|-------------|-------------|-------------|
+| **10 concurrent** | 1,286 ops/sec | 7.70ms | 15.16ms | 19.72ms |
+
+### Large Payloads
+
+| Payload Size | Throughput | Avg Latency |
+|--------------|------------|-------------|
+| **10KB** | 522 ops/sec | 1.91ms |
+| **50KB** | 166 ops/sec | 6.01ms |
+| **100KB** | 96 ops/sec | 10.33ms |
 
 ## API Compatibility