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updated version number (to v1.4.1)

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also : added doc on context re-use, as suggested by @scherepanov at #1676
This commit is contained in:
Yann Collet 2019-07-09 11:43:59 -07:00
parent 096714d1b8
commit b8ec4b0fd6
5 changed files with 24 additions and 10 deletions
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13
doc/zstd_manual.html
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@ -1,10 +1,10 @@
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>zstd 1.4.0 Manual</title>
<title>zstd 1.4.1 Manual</title>
</head>
<body>
<h1>zstd 1.4.0 Manual</h1>
<h1>zstd 1.4.1 Manual</h1>
<hr>
<a name="Contents"></a><h2>Contents</h2>
<ol>
@ -141,9 +141,14 @@ int ZSTD_maxCLevel(void); </b>/*!< maximum compression lev
<a name="Chapter4"></a><h2>Explicit context</h2><pre></pre>
<h3>Compression context</h3><pre> When compressing many times,
it is recommended to allocate a context just once, and re-use it for each successive compression operation.
it is recommended to allocate a context just once,
and re-use it for each successive compression operation.
This will make workload friendlier for system's memory.
Use one context per thread for parallel execution in multi-threaded environments.
Note : re-using context is just a speed / resource optimization.
It doesn't change the compression ratio, which remains identical.
Note 2 : In multi-threaded environments,
use one different context per thread for parallel execution.
</pre><b><pre>typedef struct ZSTD_CCtx_s ZSTD_CCtx;
ZSTD_CCtx* ZSTD_createCCtx(void);
size_t ZSTD_freeCCtx(ZSTD_CCtx* cctx);

11
lib/zstd.h
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@ -71,7 +71,7 @@ extern "C" {
/*------ Version ------*/
#define ZSTD_VERSION_MAJOR 1
#define ZSTD_VERSION_MINOR 4
#define ZSTD_VERSION_RELEASE 0
#define ZSTD_VERSION_RELEASE 1
#define ZSTD_VERSION_NUMBER (ZSTD_VERSION_MAJOR *100*100 + ZSTD_VERSION_MINOR *100 + ZSTD_VERSION_RELEASE)
ZSTDLIB_API unsigned ZSTD_versionNumber(void); /**< to check runtime library version */
@ -183,9 +183,14 @@ ZSTDLIB_API int ZSTD_maxCLevel(void); /*!< maximum compres
***************************************/
/*= Compression context
* When compressing many times,
* it is recommended to allocate a context just once, and re-use it for each successive compression operation.
* it is recommended to allocate a context just once,
* and re-use it for each successive compression operation.
* This will make workload friendlier for system's memory.
* Use one context per thread for parallel execution in multi-threaded environments. */
* Note : re-using context is just a speed / resource optimization.
* It doesn't change the compression ratio, which remains identical.
* Note 2 : In multi-threaded environments,
* use one different context per thread for parallel execution.
*/
typedef struct ZSTD_CCtx_s ZSTD_CCtx;
ZSTDLIB_API ZSTD_CCtx* ZSTD_createCCtx(void);
ZSTDLIB_API size_t ZSTD_freeCCtx(ZSTD_CCtx* cctx);

6
programs/zstd.1
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@ -1,5 +1,5 @@
.
.TH "ZSTD" "1" "December 2018" "zstd 1.3.8" "User Commands"
.TH "ZSTD" "1" "July 2019" "zstd 1.4.1" "User Commands"
.
.SH "NAME"
\fBzstd\fR \- zstd, zstdmt, unzstd, zstdcat \- Compress or decompress \.zst files
@ -187,6 +187,10 @@ verbose mode
suppress warnings, interactivity, and notifications\. specify twice to suppress errors too\.
.
.TP
\fB\-\-no\-progress\fR
do not display the progress bar, but keep all other messages\.
.
.TP
\fB\-C\fR, \fB\-\-[no\-]check\fR
add integrity check computed from uncompressed data (default: enabled)
.

2
programs/zstdgrep.1
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@ -1,5 +1,5 @@
.
.TH "ZSTDGREP" "1" "December 2018" "zstd 1.3.8" "User Commands"
.TH "ZSTDGREP" "1" "July 2019" "zstd 1.4.1" "User Commands"
.
.SH "NAME"
\fBzstdgrep\fR \- print lines matching a pattern in zstandard\-compressed files

2
programs/zstdless.1
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@ -1,5 +1,5 @@
.
.TH "ZSTDLESS" "1" "December 2018" "zstd 1.3.8" "User Commands"
.TH "ZSTDLESS" "1" "July 2019" "zstd 1.4.1" "User Commands"
.
.SH "NAME"
\fBzstdless\fR \- view zstandard\-compressed files