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Date: Tue, 6 Mar 2018 17:06:29 +0000
From: "Min Sik Kim" <minskim@netbsd.org>
Subject: CVS commit: pkgsrc/devel/R-bit
To: pkgsrc-changes@NetBSD.org
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Module Name:	pkgsrc
Committed By:	minskim
Date:		Tue Mar  6 17:06:28 UTC 2018

Added Files:
	pkgsrc/devel/R-bit: DESCR Makefile distinfo

Log Message:
devel/R-bit: Import version 1.1.12

bitmapped vectors of booleans (no NAs), coercion from and to logicals,
integers and integer subscripts; fast boolean operators and fast
summary statistics. With 'bit' vectors you can store true binary
booleans {FALSE,TRUE} at the expense of 1 bit only, on a 32 bit
architecture this means factor 32 less RAM and ~ factor 32 more speed
on boolean operations. Due to overhead of R calls, actual speed gain
depends on the size of the vector: expect gains for vectors of size >
10000 elements. Even for one-time boolean operations it can pay-off to
convert to bit, the pay-off is obvious, when such components are used
more than once. Reading from and writing to bit is approximately as
fast as accessing standard logicals - mostly due to R's time for
memory allocation. The package allows to work with pre-allocated
memory for return values by calling .Call() directly: when evaluating
the speed of C-access with pre-allocated vector memory, coping from
bit to logical requires only 70% of the time for copying from logical
to logical; and copying from logical to bit comes at a performance
penalty of 150%. the package now contains further classes for
representing logical selections: 'bitwhich' for very skewed selections
and 'ri' for selecting ranges of values for chunked processing. All
three index classes can be used for subsetting 'ff' objects (ff-2.1-0
and higher).


To generate a diff of this commit:
cvs rdiff -u -r0 -r1.1 pkgsrc/devel/R-bit/DESCR pkgsrc/devel/R-bit/Makefile \
    pkgsrc/devel/R-bit/distinfo

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.


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Added files:

Index: pkgsrc/devel/R-bit/DESCR
diff -u /dev/null pkgsrc/devel/R-bit/DESCR:1.1
--- /dev/null	Tue Mar  6 17:06:28 2018
+++ pkgsrc/devel/R-bit/DESCR	Tue Mar  6 17:06:28 2018
@@ -0,0 +1,21 @@
+bitmapped vectors of booleans (no NAs), coercion from and to logicals,
+integers and integer subscripts; fast boolean operators and fast
+summary statistics. With 'bit' vectors you can store true binary
+booleans {FALSE,TRUE} at the expense of 1 bit only, on a 32 bit
+architecture this means factor 32 less RAM and ~ factor 32 more speed
+on boolean operations. Due to overhead of R calls, actual speed gain
+depends on the size of the vector: expect gains for vectors of size >
+10000 elements. Even for one-time boolean operations it can pay-off to
+convert to bit, the pay-off is obvious, when such components are used
+more than once. Reading from and writing to bit is approximately as
+fast as accessing standard logicals - mostly due to R's time for
+memory allocation. The package allows to work with pre-allocated
+memory for return values by calling .Call() directly: when evaluating
+the speed of C-access with pre-allocated vector memory, coping from
+bit to logical requires only 70% of the time for copying from logical
+to logical; and copying from logical to bit comes at a performance
+penalty of 150%. the package now contains further classes for
+representing logical selections: 'bitwhich' for very skewed selections
+and 'ri' for selecting ranges of values for chunked processing. All
+three index classes can be used for subsetting 'ff' objects (ff-2.1-0
+and higher).
Index: pkgsrc/devel/R-bit/Makefile
diff -u /dev/null pkgsrc/devel/R-bit/Makefile:1.1
--- /dev/null	Tue Mar  6 17:06:28 2018
+++ pkgsrc/devel/R-bit/Makefile	Tue Mar  6 17:06:28 2018
@@ -0,0 +1,18 @@
+# $NetBSD: Makefile,v 1.1 2018/03/06 17:06:28 minskim Exp $
+
+CATEGORIES=	devel
+MASTER_SITES=	${MASTER_SITE_R_CRAN:=contrib/}
+
+MAINTAINER=	minskim@NetBSD.org
+HOMEPAGE=	http://ff.r-forge.r-project.org/
+COMMENT=	Class for vectors of 1-bit booleans
+LICENSE=	gnu-gpl-v2
+
+R_PKGNAME=	bit
+R_PKGVER=	1.1-12
+
+USE_LANGUAGES=	c
+
+BUILDLINK_API_DEPENDS.R+=	R>=2.9.2
+.include "../../math/R/Makefile.extension"
+.include "../../mk/bsd.pkg.mk"
Index: pkgsrc/devel/R-bit/distinfo
diff -u /dev/null pkgsrc/devel/R-bit/distinfo:1.1
--- /dev/null	Tue Mar  6 17:06:28 2018
+++ pkgsrc/devel/R-bit/distinfo	Tue Mar  6 17:06:28 2018
@@ -0,0 +1,6 @@
+$NetBSD: distinfo,v 1.1 2018/03/06 17:06:28 minskim Exp $
+
+SHA1 (R/bit_1.1-12.tar.gz) = 1558824a8ec06179098cdc5ef69a4f06a852a535
+RMD160 (R/bit_1.1-12.tar.gz) = ab0bbd383c9bd1ee5beb8169cfee6c4c1afce937
+SHA512 (R/bit_1.1-12.tar.gz) = 635dd28d43fecb3b580155e02430d3c894cb8d443177ad0e7757ad0344f742405dd9d147758eda442ebae3fbf8bfb14c927659d9df417f40979a93d402e9ab99
+Size (R/bit_1.1-12.tar.gz) = 53737 bytes


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