{
"baseline_commit": "6bc7aed2d4870e124c0cb10553685145ca39d635",
"measured_at_utc": "2026-09-19T14:44:41.150547+00:00",
"platform": "Linux-7.0.0-30-generic-x86_64-with-glibc2.43",
"compiler": "rustc 1.97.0 (2d8144b78 2026-07-07)",
"filesystem": "ext4 /dev/nvme0n1p2[/home/dangoodman/projects/WriteAhead]",
"cpu": "Intel(R) Core(TM) Ultra 9 285",
"method": "Five alternating pairs, release build, identical current examples/bench.rs in baseline and current trees, WAL files on repository filesystem. Read-by-ID: 10 passes; replay: 20 passes; other scenarios: one pass per run.",
"runs": [
{
"pair": 1,
"build": "baseline",
"rates_per_second": {
"seq_write_1rec": 456.0,
"batch_write": 233460.0,
"read_by_id": 708982.0,
"stream_replay": 43270308.0,
"recovery": 3569907.0,
"handle_concurrent_8w": 1789.0
},
"stdout": "writeahead bench: 2000 seq writes, 100x1000 batch, 8 threads x 250 concurrent, 64B payloads\nseq_write_1rec total= 4.384s ops= 2000 per_op= 2191.76us rate= 456/s throughput= 0.03MB/s\nbatch_write total= 428.340ms ops= 100000 per_op= 4.28us rate= 233460/s throughput= 14.25MB/s\nread_by_id total= 1.410s ops=1000000 per_op= 1.41us rate= 708982/s throughput= 43.27MB/s\nstream_replay total= 46.221ms ops=2000000 per_op= 0.02us rate= 43270308/s throughput= 2641.01MB/s\nrecovery total= 28.012ms ops= 100000 per_op= 0.28us rate= 3569907/s throughput= 217.89MB/s\nhandle_concurrent_8w total= 1.118s ops= 2000 per_op= 559.04us rate= 1789/s throughput= 0.11MB/s\n"
},
{
"pair": 1,
"build": "current",
"rates_per_second": {
"seq_write_1rec": 459.0,
"batch_write": 212426.0,
"read_by_id": 4384111.0,
"stream_replay": 49879434.0,
"recovery": 5281263.0,
"handle_concurrent_8w": 1815.0
},
"stdout": "writeahead bench: 2000 seq writes, 100x1000 batch, 8 threads x 250 concurrent, 64B payloads\nseq_write_1rec total= 4.358s ops= 2000 per_op= 2179.06us rate= 459/s throughput= 0.03MB/s\nbatch_write total= 470.752ms ops= 100000 per_op= 4.71us rate= 212426/s throughput= 12.97MB/s\nread_by_id total= 228.096ms ops=1000000 per_op= 0.23us rate= 4384111/s throughput= 267.58MB/s\nstream_replay total= 40.097ms ops=2000000 per_op= 0.02us rate= 49879434/s throughput= 3044.40MB/s\nrecovery total= 18.935ms ops= 100000 per_op= 0.19us rate= 5281263/s throughput= 322.34MB/s\nhandle_concurrent_8w total= 1.102s ops= 2000 per_op= 551.10us rate= 1815/s throughput= 0.11MB/s\n"
},
{
"pair": 2,
"build": "current",
"rates_per_second": {
"seq_write_1rec": 456.0,
"batch_write": 219549.0,
"read_by_id": 4968859.0,
"stream_replay": 50659553.0,
"recovery": 6867890.0,
"handle_concurrent_8w": 1809.0
},
"stdout": "writeahead bench: 2000 seq writes, 100x1000 batch, 8 threads x 250 concurrent, 64B payloads\nseq_write_1rec total= 4.384s ops= 2000 per_op= 2191.88us rate= 456/s throughput= 0.03MB/s\nbatch_write total= 455.479ms ops= 100000 per_op= 4.55us rate= 219549/s throughput= 13.40MB/s\nread_by_id total= 201.253ms ops=1000000 per_op= 0.20us rate= 4968859/s throughput= 303.28MB/s\nstream_replay total= 39.479ms ops=2000000 per_op= 0.02us rate= 50659553/s throughput= 3092.01MB/s\nrecovery total= 14.561ms ops= 100000 per_op= 0.15us rate= 6867890/s throughput= 419.18MB/s\nhandle_concurrent_8w total= 1.105s ops= 2000 per_op= 552.65us rate= 1809/s throughput= 0.11MB/s\n"
},
{
"pair": 2,
"build": "baseline",
"rates_per_second": {
"seq_write_1rec": 466.0,
"batch_write": 220017.0,
"read_by_id": 730549.0,
"stream_replay": 44283643.0,
"recovery": 3745860.0,
"handle_concurrent_8w": 1828.0
},
"stdout": "writeahead bench: 2000 seq writes, 100x1000 batch, 8 threads x 250 concurrent, 64B payloads\nseq_write_1rec total= 4.294s ops= 2000 per_op= 2146.97us rate= 466/s throughput= 0.03MB/s\nbatch_write total= 454.510ms ops= 100000 per_op= 4.55us rate= 220017/s throughput= 13.43MB/s\nread_by_id total= 1.369s ops=1000000 per_op= 1.37us rate= 730549/s throughput= 44.59MB/s\nstream_replay total= 45.163ms ops=2000000 per_op= 0.02us rate= 44283643/s throughput= 2702.86MB/s\nrecovery total= 26.696ms ops= 100000 per_op= 0.27us rate= 3745860/s throughput= 228.63MB/s\nhandle_concurrent_8w total= 1.094s ops= 2000 per_op= 547.03us rate= 1828/s throughput= 0.11MB/s\n"
},
{
"pair": 3,
"build": "baseline",
"rates_per_second": {
"seq_write_1rec": 461.0,
"batch_write": 211631.0,
"read_by_id": 719035.0,
"stream_replay": 44885688.0,
"recovery": 3770879.0,
"handle_concurrent_8w": 1536.0
},
"stdout": "writeahead bench: 2000 seq writes, 100x1000 batch, 8 threads x 250 concurrent, 64B payloads\nseq_write_1rec total= 4.342s ops= 2000 per_op= 2171.00us rate= 461/s throughput= 0.03MB/s\nbatch_write total= 472.520ms ops= 100000 per_op= 4.73us rate= 211631/s throughput= 12.92MB/s\nread_by_id total= 1.391s ops=1000000 per_op= 1.39us rate= 719035/s throughput= 43.89MB/s\nstream_replay total= 44.558ms ops=2000000 per_op= 0.02us rate= 44885688/s throughput= 2739.60MB/s\nrecovery total= 26.519ms ops= 100000 per_op= 0.27us rate= 3770879/s throughput= 230.16MB/s\nhandle_concurrent_8w total= 1.302s ops= 2000 per_op= 651.02us rate= 1536/s throughput= 0.09MB/s\n"
},
{
"pair": 3,
"build": "current",
"rates_per_second": {
"seq_write_1rec": 463.0,
"batch_write": 221389.0,
"read_by_id": 5034767.0,
"stream_replay": 50455370.0,
"recovery": 5376895.0,
"handle_concurrent_8w": 1796.0
},
"stdout": "writeahead bench: 2000 seq writes, 100x1000 batch, 8 threads x 250 concurrent, 64B payloads\nseq_write_1rec total= 4.319s ops= 2000 per_op= 2159.25us rate= 463/s throughput= 0.03MB/s\nbatch_write total= 451.694ms ops= 100000 per_op= 4.52us rate= 221389/s throughput= 13.51MB/s\nread_by_id total= 198.619ms ops=1000000 per_op= 0.20us rate= 5034767/s throughput= 307.30MB/s\nstream_replay total= 39.639ms ops=2000000 per_op= 0.02us rate= 50455370/s throughput= 3079.55MB/s\nrecovery total= 18.598ms ops= 100000 per_op= 0.19us rate= 5376895/s throughput= 328.18MB/s\nhandle_concurrent_8w total= 1.114s ops= 2000 per_op= 556.88us rate= 1796/s throughput= 0.11MB/s\n"
},
{
"pair": 4,
"build": "current",
"rates_per_second": {
"seq_write_1rec": 462.0,
"batch_write": 217604.0,
"read_by_id": 4990764.0,
"stream_replay": 52035358.0,
"recovery": 5118871.0,
"handle_concurrent_8w": 1781.0
},
"stdout": "writeahead bench: 2000 seq writes, 100x1000 batch, 8 threads x 250 concurrent, 64B payloads\nseq_write_1rec total= 4.326s ops= 2000 per_op= 2163.24us rate= 462/s throughput= 0.03MB/s\nbatch_write total= 459.550ms ops= 100000 per_op= 4.60us rate= 217604/s throughput= 13.28MB/s\nread_by_id total= 200.370ms ops=1000000 per_op= 0.20us rate= 4990764/s throughput= 304.61MB/s\nstream_replay total= 38.435ms ops=2000000 per_op= 0.02us rate= 52035358/s throughput= 3175.99MB/s\nrecovery total= 19.536ms ops= 100000 per_op= 0.20us rate= 5118871/s throughput= 312.43MB/s\nhandle_concurrent_8w total= 1.123s ops= 2000 per_op= 561.46us rate= 1781/s throughput= 0.11MB/s\n"
},
{
"pair": 4,
"build": "baseline",
"rates_per_second": {
"seq_write_1rec": 464.0,
"batch_write": 196056.0,
"read_by_id": 730185.0,
"stream_replay": 44636174.0,
"recovery": 4127041.0,
"handle_concurrent_8w": 1336.0
},
"stdout": "writeahead bench: 2000 seq writes, 100x1000 batch, 8 threads x 250 concurrent, 64B payloads\nseq_write_1rec total= 4.306s ops= 2000 per_op= 2152.94us rate= 464/s throughput= 0.03MB/s\nbatch_write total= 510.058ms ops= 100000 per_op= 5.10us rate= 196056/s throughput= 11.97MB/s\nread_by_id total= 1.370s ops=1000000 per_op= 1.37us rate= 730185/s throughput= 44.57MB/s\nstream_replay total= 44.807ms ops=2000000 per_op= 0.02us rate= 44636174/s throughput= 2724.38MB/s\nrecovery total= 24.230ms ops= 100000 per_op= 0.24us rate= 4127041/s throughput= 251.89MB/s\nhandle_concurrent_8w total= 1.497s ops= 2000 per_op= 748.63us rate= 1336/s throughput= 0.08MB/s\n"
},
{
"pair": 5,
"build": "baseline",
"rates_per_second": {
"seq_write_1rec": 454.0,
"batch_write": 223358.0,
"read_by_id": 727866.0,
"stream_replay": 45209290.0,
"recovery": 3819583.0,
"handle_concurrent_8w": 1815.0
},
"stdout": "writeahead bench: 2000 seq writes, 100x1000 batch, 8 threads x 250 concurrent, 64B payloads\nseq_write_1rec total= 4.407s ops= 2000 per_op= 2203.40us rate= 454/s throughput= 0.03MB/s\nbatch_write total= 447.712ms ops= 100000 per_op= 4.48us rate= 223358/s throughput= 13.63MB/s\nread_by_id total= 1.374s ops=1000000 per_op= 1.37us rate= 727866/s throughput= 44.43MB/s\nstream_replay total= 44.239ms ops=2000000 per_op= 0.02us rate= 45209290/s throughput= 2759.36MB/s\nrecovery total= 26.181ms ops= 100000 per_op= 0.26us rate= 3819583/s throughput= 233.13MB/s\nhandle_concurrent_8w total= 1.102s ops= 2000 per_op= 551.11us rate= 1815/s throughput= 0.11MB/s\n"
},
{
"pair": 5,
"build": "current",
"rates_per_second": {
"seq_write_1rec": 464.0,
"batch_write": 216870.0,
"read_by_id": 4621643.0,
"stream_replay": 51256648.0,
"recovery": 5115745.0,
"handle_concurrent_8w": 1818.0
},
"stdout": "writeahead bench: 2000 seq writes, 100x1000 batch, 8 threads x 250 concurrent, 64B payloads\nseq_write_1rec total= 4.310s ops= 2000 per_op= 2155.15us rate= 464/s throughput= 0.03MB/s\nbatch_write total= 461.107ms ops= 100000 per_op= 4.61us rate= 216870/s throughput= 13.24MB/s\nread_by_id total= 216.373ms ops=1000000 per_op= 0.22us rate= 4621643/s throughput= 282.08MB/s\nstream_replay total= 39.019ms ops=2000000 per_op= 0.02us rate= 51256648/s throughput= 3128.46MB/s\nrecovery total= 19.547ms ops= 100000 per_op= 0.20us rate= 5115745/s throughput= 312.24MB/s\nhandle_concurrent_8w total= 1.100s ops= 2000 per_op= 550.20us rate= 1818/s throughput= 0.11MB/s\n"
}
],
"benchmark_harness_sha256": "9ecac8ec422624e98b2c2a961fac27c28fd7d736190a2ded7ac8b1684dc7fe04"
}