Spacetime vs Convex
Chat · local run · 2026-08-24-17-25-59
Ready◆insert coin: press play
Convex
WINNER
Lens (compat)
WINNER
Spacetime
WINNER
Press Start
StepConvexLens (compat)Spacetime
1getMessages query(sequential HTTP) 0.4 ms p95 0.6 ms 0.5 ms p95 0.6 ms 0.5 ms p95 0.7 ms
2sendMessage mutation(sequential HTTP) 7.7 ms p95 9.8 ms 1.6 ms p95 4.6 ms 4.8x0.5 ms p95 0.7 ms 16x
3sendMessage throughput(8 concurrent senders) 189 calls/s p50 40.5 ms 461 calls/s p50 15.9 ms 2.6x996 calls/s p50 7.7 ms 5.3x
4sendMessage throughput(32 concurrent senders) 467 calls/s p50 66.0 ms 802 calls/s p50 37.8 ms 1.7x3,877 calls/s p50 7.8 ms 8.5x
5sendMessage throughput(one client, queued burst of 8) 36.4 calls/s p50 115 ms 510 calls/s p50 15.5 ms 7.4x1,911 calls/s p50 4.2 ms 28x
6sendMessage throughput(one client, queued burst of 32) 44.3 calls/s p50 367 ms 2,823 calls/s p50 11.2 ms 33x7,321 calls/s p50 4.3 ms 84x
7sendMessage throughput(one client, queued burst of 128) 35.5 calls/s p50 2 s 3,894 calls/s p50 32.4 ms 60x14,116 calls/s p50 9.0 ms 216x
8sendMessage throughput(one client, queued burst of 512) 32.2 calls/s p50 7.9 s 3,868 calls/s p50 132 ms 60x49,351 calls/s p50 10.3 ms 771x
9sendMessage streamed(one tab, every 10 ms) 32.6 calls/s p50 1.6 s 64.1 calls/s p50 3.6 ms 432x64.2 calls/s p50 4.6 ms 340x
10sendMessage streamed(8 tabs, every 10 ms) 89 calls/s p50 7.1 s 515 calls/s p50 32.1 ms 221x531 calls/s p50 9.5 ms 747x
11sendMessage streamed(32 tabs, every 10 ms) 149 calls/s p50 17.8 s 1,574 calls/s p50 797 ms 22x2,165 calls/s p50 10.7 ms 1664x
12reactive update(all 8 subscribers) 103 ms p95 119 ms 7.6 ms p95 15.7 ms 14x1.1 ms p95 14.3 ms 91x
↳reactive update(first of 8 subscribers) 102 ms p95 119 ms 7.5 ms p95 15.7 ms 13x0.9 ms p95 14.1 ms 111x
13reactive update(all 32 subscribers) 106 ms p95 122 ms 11.0 ms p95 14.1 ms 9.6x1.1 ms p95 9.3 ms 99x
↳reactive update(first of 32 subscribers) 103 ms p95 117 ms 10.8 ms p95 13.8 ms 9.5x0.5 ms p95 8.9 ms 189x