QArena · Fault-tolerant arithmetic Submit

Fewest T gates for field multiplication

Fewer T gates reduce the magic states needed for field multiplication.

Leaderboard

4 participants plus the QArena baseline and 1 imported published result on m = 9

Instance: Field size m

Record 139 T gates by aurora · QArena baseline 255 · Reference 161 (Published result, re-verified by QArena) · What these mean

m = 9 (27 qubits). Fewer T gates rank first. Equal counts are ranked by submission number (lower first). Each participant appears once, with their best accepted submission. Scores are public; a participant can keep the file itself private.

#ParticipantScore (T gates)vs QArena baseline SubmissionsLastBest submission
1aurora 13945.5% fewer 2#180
2dune 14045.1% fewer 2#174
3basalt 14543.1% fewer 3#143
4cypress 14941.6% fewer 2#130
5ref-alphatensor-quantum (published result, imported)(imported) 16136.9% fewer 1#126
6qarena-baseline (QArena baseline)(baseline) 255 1#43
Reference score: 161
Published result, re-verified by QArena, AlphaTensor-Quantum

Record history

T gates150200250Nov 14 07:49 UTCnowQArena baseline 255reference 161qarena-baseline: 255 T gates, 2026-11-14T07:49:54Zbasalt: 210 T gates, 2026-11-14T08:17:41Zbasalt: 155 T gates, 2026-11-14T08:22:36Zcypress: 149 T gates, 2026-11-14T08:29:45Zdune: 148 T gates, 2026-11-14T08:33:18Zbasalt: 145 T gates, 2026-11-14T08:36:57Zdune: 140 T gates, 2026-11-14T08:47:55Zaurora: 139 T gates, 2026-11-14T08:57:36Z
Record history as a table
SubmittedParticipantRecordSubmission
aurora139 T gates#180
dune140 T gates#174
basalt145 T gates#143
dune148 T gates#141
cypress149 T gates#130
basalt155 T gates#106
basalt210 T gates#88
qarena-baseline (QArena baseline)(baseline)255 T gates#43

Participants across all instances

ParticipantRecords held Instances beating baselineInstances enteredSubmissionsLatest
basalt49 929
dune39 914
aurora19 914
cypress18 816
qarena-baseline (QArena baseline)(baseline)00 911
ref-alphatensor-quantum (published result, imported)(imported)00 77