pranasblk
pranasblk
/ dot.c
Created
December 9, 2019 00:18
— forked from rikusalminen/dot.c
SIMD dot products: ARM NEON, SSE3, SSE
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| #if defined(__ARM_NEON__) | |
| vec4 dot(vec4 a, vec4 b) | |
| { | |
| vec4 prod = vmulq_f32(a, b); | |
| vec4 sum1 = vaddq_f32(prod, vrev64q_f32(prod)); | |
| vec4 sum2 = vaddq_f32(sum1, vcombine_f32(vget_high_f32(sum1), vget_low_f32(sum1))); | |
| return sum2; | |
| } | |
| #else if defined(__SSE3__) | |
| static inline vec4 vdot(vec4 x, vec4 y) |
pranasblk
/ SkipListNode.java
Created
September 20, 2017 04:52
— forked from dmx2010/SkipListNode.java
A SkiplistSet implementation. It provides add/remove T as well as get/remove index based access. The SkiplistSet can be used as a base for TableModel with index based access.
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| package org.rivendell.collections; | |
| import java.lang.reflect.Array; | |
| public class SkipListNode<T extends Comparable<? super T>> { | |
| private final T value; | |
| private final SkipListNode<T>[] next; | |
| /** | |
| * this is to provide index based access |
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| if (!require("RJDBC")) { | |
| install.packages("RJDBC",repos="http://cran.rstudio.com/") | |
| library("RJDBC") | |
| } | |
| jdbcDriver <- JDBC("org.apache.ignite.IgniteJdbcThinDriver", | |
| "/Users/pranas/Apps/apache-ignite-fabric-2.1.0-bin/libs/ignite-core-2.1.0.jar:/Users/pranas/Apps/apache-ignite-fabric-2.1.0-bin/libs/log4j-1.2.17.jar") | |
| conn <- dbConnect(jdbcDriver, "jdbc:ignite:thin://localhost") | |
| dbGetQuery(conn, "SELECT * FROM OHLC Oder WHERE SECURITYID = 100") |