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binomiq

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Comment #22812813
In your benchmarks, KDB's max on longs takes twice as long as sum on longs. I am not able to replicate this with the most recent version of KDB (2020.03.30). $QHOME/l64/q -s 4 KDB+…

Wed, Apr 08, 2020, 1:37 PM UTC
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Comment #22811985
KDB works around this by storing the nanos in 64 bits but only for a particular time range. 1707.09.22D00:12:43.145224194 (max negative) to 2292.04.10D23:47:16.854775806 (max posit…

Wed, Apr 08, 2020, 11:40 AM UTC
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Comment #22811418
Were these benchmarks before or after 2020.03.26? There was a bug that caused max operations to take twice as long. From the KDB+ 4.0 release notes: 2020.03.26 FIX fixed performanc…

Wed, Apr 08, 2020, 9:35 AM UTC