Aliaksandr Valialkin
604e8f6114
lib/decimal: optimize maxUpExponent() by eliminating division from hot path
2020-09-19 13:49:43 +03:00
Aliaksandr Valialkin
778ea183ca
lib/decimal: properly store Inf values
...
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/752
2020-09-18 19:08:53 +03:00
Roman Khavronenko
4b89da9463
lib/decimal: rename significant decimal digits
to significant figures
( #698 )
...
The previous notion was inconsistent with what `decimal.Round` does.
According to [wiki](https://en.wikipedia.org/wiki/Significant_figures ) rounding
applied to all significant figures, not just decimal ones.
2020-08-16 17:22:40 +03:00
Aliaksandr Valialkin
a3f48e395e
app/vmagent: add -remoteWrite.decimalPlaces
command-line flag, which may be used for reducing disk space usage on the remote storage
2020-07-21 21:55:42 +03:00
Aliaksandr Valialkin
2aecf7c37c
lib/{encoding,decimal}: typo fixes in tests: epxecting->expecting
2020-04-28 00:02:19 +03:00
Aliaksandr Valialkin
d24fc87a6f
lib/decimal: calculate ln2/ln10 constant during compile time
2019-11-23 15:52:39 +02:00
Aliaksandr Valialkin
3d1f4408cf
lib/decimal: increase decimal->float speed conversion for integer numbers
2019-11-20 14:09:10 +02:00
Aliaksandr Valialkin
f1f2eff08f
lib/decimal: reduce rounding error when converting from decimal to float with negative exponent
...
While at it, slightly increase the conversion performance by moving fast path to the top of the loop.
2019-11-19 23:34:41 +02:00
Aliaksandr Valialkin
5d439cc6f2
lib/{decimal,encoding}: optimize float64<->decimal conversion for arrays with zeros or ones
...
Time series with only zeros or ones frequently occur in monitoring, so it is worth optimizing their handling.
2019-11-01 16:46:08 +02:00
Aliaksandr Valialkin
1037053fed
lib/{encoding,decimal}: add benchmarks for blocks containing zeros or ones
...
Time series with such values are quite common in monitoring space,
so it would be great to have benchmarks for them.
2019-11-01 16:46:08 +02:00
Aliaksandr Valialkin
22030b558f
lib/decimal: speed up FromFloat for common case with integers
2019-10-31 13:25:09 +02:00
Aliaksandr Valialkin
6510258a80
lib/decimal: increase float64->decimal conversion precision a bit
...
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/213
2019-10-30 02:04:28 +02:00
Aliaksandr Valialkin
eb513e7ba3
lib/decimal: increase float->decimal conversion precision for big numbers
...
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/213
2019-10-28 13:23:54 +02:00
Aliaksandr Valialkin
a99e89945e
lib/decimal: modernize tests a bit
2019-07-31 21:09:54 +03:00
Aliaksandr Valialkin
820cdae88d
lib/decimal: add a comment explaining weird code in maxUpExponent. Fixes #29
2019-05-23 17:18:50 +03:00
Aliaksandr Valialkin
1836c415e6
all: open-sourcing single-node version
2019-05-23 00:18:06 +03:00