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This commit is contained in:
Josh Soref
2019-04-12 14:18:11 -04:00
committed by Nick Terrell
parent 13fddac46d
commit a880ca239b
63 changed files with 116 additions and 116 deletions
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2
contrib/docker/README.md
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@ -5,7 +5,7 @@ The `Dockerfile` script requires a version of `docker` >= 17.05
## Installing docker
The officiel docker install docs use a ppa with a modern version available:
The official docker install docs use a ppa with a modern version available:
https://docs.docker.com/install/linux/docker-ce/ubuntu/
## How to run

4
contrib/experimental_dict_builders/benchmarkDictBuilder/benchmark.c
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@ -127,7 +127,7 @@ dictInfo* createDictFromFiles(sampleInfo *info, unsigned maxDictSize,
/** compressWithDict() :
* Compress samples from sample buffer given dicionary stored on dictionary buffer and compression level
* Compress samples from sample buffer given dictionary stored on dictionary buffer and compression level
* @return compression ratio
*/
double compressWithDict(sampleInfo *srcInfo, dictInfo* dInfo, int compressionLevel, int displayLevel) {
@ -194,7 +194,7 @@ double compressWithDict(sampleInfo *srcInfo, dictInfo* dInfo, int compressionLev
totalCompressedSize += compressedSize;
}
/* Sum orignal sizes */
/* Sum original sizes */
for (i = 0; i<srcInfo->nbSamples; i++) {
totalOriginalSize += srcInfo->samplesSizes[i];
}

4
contrib/experimental_dict_builders/fastCover/fastCover.c
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@ -125,7 +125,7 @@ typedef struct {
*
* Score(S) = F(S_1) + F(S_2) + ... + F(S_{k-d+1})
*
* Once the dmer with hash value d is in the dictionay we set F(d) = F(d)/2.
* Once the dmer with hash value d is in the dictionary we set F(d) = F(d)/2.
*/
static FASTCOVER_segment_t FASTCOVER_selectSegment(const FASTCOVER_ctx_t *ctx,
U32 *freqs, U32 begin,U32 end,
@ -149,7 +149,7 @@ static FASTCOVER_segment_t FASTCOVER_selectSegment(const FASTCOVER_ctx_t *ctx,
while (activeSegment.end < end) {
/* Get hash value of current dmer */
const size_t index = FASTCOVER_hashPtrToIndex(ctx->samples + activeSegment.end, parameters.f, ctx->d);
/* Add frequency of this index to score if this is the first occurence of index in active segment */
/* Add frequency of this index to score if this is the first occurrence of index in active segment */
if (ctx->segmentFreqs[index] == 0) {
activeSegment.score += freqs[index];
}

2
contrib/largeNbDicts/largeNbDicts.c
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@ -424,7 +424,7 @@ static ddict_collection_t createDDictCollection(const void* dictBuffer, size_t d
}
/* mess with adresses, so that linear scanning dictionaries != linear address scanning */
/* mess with addresses, so that linear scanning dictionaries != linear address scanning */
void shuffleDictionaries(ddict_collection_t dicts)
{
size_t const nbDicts = dicts.nbDDict;

16
contrib/linux-kernel/0002-lib-Add-zstd-modules.patch
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@ -4,7 +4,7 @@ Date: Mon, 17 Jul 2017 17:08:19 -0700
Subject: [PATCH v5 2/5] lib: Add zstd modules
Add zstd compression and decompression kernel modules.
zstd offers a wide varity of compression speed and quality trade-offs.
zstd offers a wide variety of compression speed and quality trade-offs.
It can compress at speeds approaching lz4, and quality approaching lzma.
zstd decompressions at speeds more than twice as fast as zlib, and
decompression speed remains roughly the same across all compression levels.
@ -21,7 +21,7 @@ will be easier to keep the kernel zstd up to date.
I benchmarked zstd compression as a special character device. I ran zstd
and zlib compression at several levels, as well as performing no
compression, which measure the time spent copying the data to kernel space.
Data is passed to the compresser 4096 B at a time. The benchmark file is
Data is passed to the compressor 4096 B at a time. The benchmark file is
located in the upstream zstd source repository under
`contrib/linux-kernel/zstd_compress_test.c` [2].
@ -86,7 +86,7 @@ Tested in userland using the test-suite in the zstd repo under
`contrib/linux-kernel/test/UserlandTest.cpp` [5] by mocking the kernel
functions. Fuzz tested using libfuzzer [6] with the fuzz harnesses under
`contrib/linux-kernel/test/{RoundTripCrash.c,DecompressCrash.c}` [7] [8]
with ASAN, UBSAN, and MSAN. Additionaly, it was tested while testing the
with ASAN, UBSAN, and MSAN. Additionally, it was tested while testing the
BtrFS and SquashFS patches coming next.
[1] https://clang.llvm.org/docs/ClangFormat.html
@ -4200,14 +4200,14 @@ index 0000000..ff18ae6
+ BYTE const windowLogByte = (BYTE)((params.cParams.windowLog - ZSTD_WINDOWLOG_ABSOLUTEMIN) << 3);
+ U32 const fcsCode =
+ params.fParams.contentSizeFlag ? (pledgedSrcSize >= 256) + (pledgedSrcSize >= 65536 + 256) + (pledgedSrcSize >= 0xFFFFFFFFU) : 0; /* 0-3 */
+ BYTE const frameHeaderDecriptionByte = (BYTE)(dictIDSizeCode + (checksumFlag << 2) + (singleSegment << 5) + (fcsCode << 6));
+ BYTE const frameHeaderDescriptionByte = (BYTE)(dictIDSizeCode + (checksumFlag << 2) + (singleSegment << 5) + (fcsCode << 6));
+ size_t pos;
+
+ if (dstCapacity < ZSTD_frameHeaderSize_max)
+ return ERROR(dstSize_tooSmall);
+
+ ZSTD_writeLE32(dst, ZSTD_MAGICNUMBER);
+ op[4] = frameHeaderDecriptionByte;
+ op[4] = frameHeaderDescriptionByte;
+ pos = 5;
+ if (!singleSegment)
+ op[pos++] = windowLogByte;
@ -8812,8 +8812,8 @@ index 0000000..ef3d174
+ U32 position = 0;
+ U32 symbol;
+ for (symbol = 0; symbol <= maxSymbolValue; symbol++) {
+ int nbOccurences;
+ for (nbOccurences = 0; nbOccurences < normalizedCounter[symbol]; nbOccurences++) {
+ int nbOccurrences;
+ for (nbOccurrences = 0; nbOccurrences < normalizedCounter[symbol]; nbOccurrences++) {
+ tableSymbol[position] = (FSE_FUNCTION_TYPE)symbol;
+ position = (position + step) & tableMask;
+ while (position > highThreshold)
@ -9944,7 +9944,7 @@ index 0000000..2143da2
+ HUF_repeat_none, /**< Cannot use the previous table */
+ HUF_repeat_check, /**< Can use the previous table but it must be checked. Note : The previous table must have been constructed by HUF_compress{1,
+ 4}X_repeat */
+ HUF_repeat_valid /**< Can use the previous table and it is asumed to be valid */
+ HUF_repeat_valid /**< Can use the previous table and it is assumed to be valid */
+} HUF_repeat;
+/** HUF_compress4X_repeat() :
+* Same as HUF_compress4X_wksp(), but considers using hufTable if *repeat != HUF_repeat_none.

4
contrib/linux-kernel/0006-squashfs-tools-Add-zstd-support.patch
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@ -11,7 +11,7 @@ Signed-off-by: Nick Terrell <terrelln@fb.com>
---
v4 -> v5:
- Fix patch documentation to reflect that Sean Purcell is the author
- Don't strip trailing whitespace of unreleated code
- Don't strip trailing whitespace of unrelated code
- Make zstd_display_options() static
v5 -> v6:
@ -224,7 +224,7 @@ index 0000000..dcab75a
+ * set the default options, this is to ensure any user supplied
+ * -X options on the appending mksquashfs command line are over-ridden.
+ *
+ * This function returns 0 on sucessful extraction of options, and -1 on error.
+ * This function returns 0 on successful extraction of options, and -1 on error.
+ */
+static int zstd_extract_options(int block_size, void *buffer, int size)
+{

4
contrib/linux-kernel/lib/zstd/compress.c
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@ -2436,14 +2436,14 @@ static size_t ZSTD_writeFrameHeader(void *dst, size_t dstCapacity, ZSTD_paramete
BYTE const windowLogByte = (BYTE)((params.cParams.windowLog - ZSTD_WINDOWLOG_ABSOLUTEMIN) << 3);
U32 const fcsCode =
params.fParams.contentSizeFlag ? (pledgedSrcSize >= 256) + (pledgedSrcSize >= 65536 + 256) + (pledgedSrcSize >= 0xFFFFFFFFU) : 0; /* 0-3 */
BYTE const frameHeaderDecriptionByte = (BYTE)(dictIDSizeCode + (checksumFlag << 2) + (singleSegment << 5) + (fcsCode << 6));
BYTE const frameHeaderDescriptionByte = (BYTE)(dictIDSizeCode + (checksumFlag << 2) + (singleSegment << 5) + (fcsCode << 6));
size_t pos;
if (dstCapacity < ZSTD_frameHeaderSize_max)
return ERROR(dstSize_tooSmall);
ZSTD_writeLE32(dst, ZSTD_MAGICNUMBER);
op[4] = frameHeaderDecriptionByte;
op[4] = frameHeaderDescriptionByte;
pos = 5;
if (!singleSegment)
op[pos++] = windowLogByte;

4
contrib/linux-kernel/lib/zstd/fse_compress.c
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@ -141,8 +141,8 @@ size_t FSE_buildCTable_wksp(FSE_CTable *ct, const short *normalizedCounter, unsi
U32 position = 0;
U32 symbol;
for (symbol = 0; symbol <= maxSymbolValue; symbol++) {
int nbOccurences;
for (nbOccurences = 0; nbOccurences < normalizedCounter[symbol]; nbOccurences++) {
int nbOccurrences;
for (nbOccurrences = 0; nbOccurrences < normalizedCounter[symbol]; nbOccurrences++) {
tableSymbol[position] = (FSE_FUNCTION_TYPE)symbol;
position = (position + step) & tableMask;
while (position > highThreshold)

2
contrib/linux-kernel/lib/zstd/huf.h
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@ -134,7 +134,7 @@ typedef enum {
HUF_repeat_none, /**< Cannot use the previous table */
HUF_repeat_check, /**< Can use the previous table but it must be checked. Note : The previous table must have been constructed by HUF_compress{1,
4}X_repeat */
HUF_repeat_valid /**< Can use the previous table and it is asumed to be valid */
HUF_repeat_valid /**< Can use the previous table and it is assumed to be valid */
} HUF_repeat;
/** HUF_compress4X_repeat() :
* Same as HUF_compress4X_wksp(), but considers using hufTable if *repeat != HUF_repeat_none.

6
contrib/linux-kernel/test/include/linux/compiler.h
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@ -1,5 +1,5 @@
#ifndef LINUX_COMIPLER_H_
#define LINUX_COMIPLER_H_
#ifndef LINUX_COMPILER_H_
#define LINUX_COMPILER_H_
#ifndef __always_inline
# define __always_inline inline
@ -9,4 +9,4 @@
# define noinline __attribute__((__noinline__))
#endif
#endif // LINUX_COMIPLER_H_
#endif // LINUX_COMPILER_H_

2
contrib/pzstd/Pzstd.cpp
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@ -55,7 +55,7 @@ static std::uint64_t handleOneInput(const Options &options,
SharedState& state) {
auto inputSize = fileSizeOrZero(inputFile);
// WorkQueue outlives ThreadPool so in the case of error we are certain
// we don't accidently try to call push() on it after it is destroyed
// we don't accidentally try to call push() on it after it is destroyed
WorkQueue<std::shared_ptr<BufferWorkQueue>> outs{options.numThreads + 1};
std::uint64_t bytesRead;
std::uint64_t bytesWritten;

2
contrib/pzstd/utils/Range.h
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@ -9,7 +9,7 @@
/**
* A subset of `folly/Range.h`.
* All code copied verbatiam modulo formatting
* All code copied verbatim modulo formatting
*/
#pragma once

2
contrib/pzstd/utils/ResourcePool.h
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@ -54,7 +54,7 @@ class ResourcePool {
/**
* @returns A unique pointer to a resource. The resource is null iff
* there are no avaiable resources and `factory()` returns null.
* there are no available resources and `factory()` returns null.
*/
UniquePtr get() {
std::lock_guard<std::mutex> lock(mutex_);