diff --git a/Makefile b/Makefile
deleted file mode 100644
index b55ad9d..0000000
--- a/Makefile
+++ /dev/null
@@ -1,40 +0,0 @@
-
-CC	= gcc
-#CC	= clang
-
-CFLAGS	= -W -pthread -Wall -pipe
-#CFLAGS	= -fomit-frame-pointer
-LDFLAGS	= -lpthread
-
-#CFLAGS += -DDEBUGME
-#CFLAGS += -g
-CFLAGS += -O3
-#CFLAGS += -march=native
-#CFLAGS += -Wno-unused-but-set-variable
-#CFLAGS += -Wno-unused-variable
-#CFLAGS += -Wno-unused-function
-
-PRGS	= zstdmt lz4mt lz5mt
-
-OBJ	= threading.o util.o
-OBJLZ4	= lz4mt_common.o lz4mt_compress.o lz4mt_decompress.o lz4mt.o
-OBJLZ5	= lz5mt_common.o lz5mt_compress.o lz5mt_decompress.o lz5mt.o
-OBJZSTD	= zstdmt_common.o zstdmt_compress.o zstdmt_decompress.o zstdmt.o
-
-all:	$(PRGS)
-again:	clean $(PRGS)
-
-lz4mt: $(OBJ) $(OBJLZ4)
-	$(CC) $(CFLAGS) $(LDFLAGS) -llz4 -o $@ $(OBJLZ4) $(OBJ)
-
-lz5mt: $(OBJ) $(OBJLZ5)
-	$(CC) $(CFLAGS) $(LDFLAGS) -llz5 -o $@ $(OBJLZ5) $(OBJ)
-
-zstdmt: $(OBJ) $(OBJZSTD)
-	$(CC) $(CFLAGS) $(LDFLAGS) -lzstd -o $@ $(OBJZSTD) $(OBJ)
-
-clean:
-	rm -rf $(PRGS) $(OBJLZ4) $(OBJLZ5) $(OBJZSTD) $(OBJ)
-
-.c.o:
-	$(CC) $(CFLAGS) -c $< -o $@
diff --git a/README.md b/README.md
index 5e9b285..7fed3d5 100644
--- a/README.md
+++ b/README.md
@@ -9,114 +9,12 @@
 
 ## Usage of the Testutils
 
-### [LZ4]
-```
-Usage: lz4mt [options] infile outfile
-
-Otions:
- -l N    set level (1..16) of compression (default: 1)
- -t N    set number of (de)compression threads (default: 2)
- -i N    set number of iterations for testing (default: 1)
- -b N    set input chunksize to N MiB (default: auto)
- -c      compress (default mode)
- -d      use decompress mode
- -H      print headline for the testing values
- -h      show usage
- -v      show version
-```
-
-### [LZ5]
-```
-Usage: lz5mt [options] infile outfile
-
-Otions:
- -l N    set level (1..16) of compression (default: 1)
- -t N    set number of (de)compression threads (default: 2)
- -i N    set number of iterations for testing (default: 1)
- -b N    set input chunksize to N MiB (default: auto)
- -c      compress (default mode)
- -d      use decompress mode
- -H      print headline for the testing values
- -h      show usage
- -v      show version
-```
-
-### [ZStandard]
-```
-Usage: zstdmt [options] infile outfile
-
-Otions:
- -l N    set level of compression (default: 3)
- -t N    set number of (de)compression threads (default: 2)
- -i N    set number of iterations for testing (default: 1)
- -b N    set input chunksize to N MiB (default: auto)
- -c      compress (default mode)
- -d      use decompress mode (XXX, not done)
- -H      print headline for the testing values
- -h      show usage
- -v      show version
-```
+- see unix
+- see windows
 
 ## Usage of the Library
 
-### Compression
-```
-typedef struct {
-	void *buf;		/* ptr to data */
-	size_t size;		/* current filled in buf */
-	size_t allocated;	/* length of buf */
-} LZ4MT_Buffer;
-
-/**
- * reading and writing functions
- * - you can use stdio functions or plain read/write ...
- * - a sample is given in 7-Zip ZS or lz4mt.c
- */
-typedef int (fn_read) (void *args, LZ4MT_Buffer * in);
-typedef int (fn_write) (void *args, LZ4MT_Buffer * out);
-
-typedef struct {
-	fn_read *fn_read;
-	void *arg_read;
-	fn_write *fn_write;
-	void *arg_write;
-} LZ4MT_RdWr_t;
-
-typedef struct LZ4MT_CCtx_s LZ4MT_CCtx;
-
-/* 1) allocate new cctx */
-LZ4MT_CCtx *LZ4MT_createCCtx(int threads, int level, int inputsize);
-
-/* 2) threaded compression */
-size_t LZ4MT_CompressCCtx(LZ4MT_CCtx * ctx, LZ4MT_RdWr_t * rdwr);
-
-/* 3) get some statistic */
-size_t LZ4MT_GetFramesCCtx(LZ4MT_CCtx * ctx);
-size_t LZ4MT_GetInsizeCCtx(LZ4MT_CCtx * ctx);
-size_t LZ4MT_GetOutsizeCCtx(LZ4MT_CCtx * ctx);
-
-/* 4) free cctx */
-void LZ4MT_freeCCtx(LZ4MT_CCtx * ctx);
-```
-
-### Decompression
-```
-typedef struct LZ4MT_DCtx_s LZ4MT_DCtx;
-
-/* 1) allocate new cctx */
-LZ4MT_DCtx *LZ4MT_createDCtx(int threads, int inputsize);
-
-/* 2) threaded compression */
-size_t LZ4MT_DecompressDCtx(LZ4MT_DCtx * ctx, LZ4MT_RdWr_t * rdwr);
-
-/* 3) get some statistic */
-size_t LZ4MT_GetFramesDCtx(LZ4MT_DCtx * ctx);
-size_t LZ4MT_GetInsizeDCtx(LZ4MT_DCtx * ctx);
-size_t LZ4MT_GetOutsizeDCtx(LZ4MT_DCtx * ctx);
-
-/* 4) free cctx */
-void LZ4MT_freeDCtx(LZ4MT_DCtx * ctx);
-```
+- see lib
 
 ## Benchmarks
 
@@ -283,9 +181,5 @@ Level|Threads|InSize|OutSize|Frames|Real|User|Sys|MaxMem
 [LZ5]:https://github.com/inikep/lz5
 [ZStandard]:http://facebook.github.io/zstd/
 
-# TODO
-
-- threaded decompression for zstd not ready
-- document the header files correctly ... just some first start currently
 
-/TR 2016-09-25
+/TR 2016-09-28
diff --git a/lib/README.md b/lib/README.md
new file mode 100644
index 0000000..32ad7cd
--- /dev/null
+++ b/lib/README.md
@@ -0,0 +1,66 @@
+
+# Multithreading Library for [LZ4], [LZ5] and [ZStandard]
+
+
+### Compression
+```
+typedef struct {
+	void *buf;		/* ptr to data */
+	size_t size;		/* current filled in buf */
+	size_t allocated;	/* length of buf */
+} LZ4MT_Buffer;
+
+/**
+ * reading and writing functions
+ * - you can use stdio functions or plain read/write ...
+ * - a sample is given in 7-Zip ZS or lz4mt.c
+ */
+typedef int (fn_read) (void *args, LZ4MT_Buffer * in);
+typedef int (fn_write) (void *args, LZ4MT_Buffer * out);
+
+typedef struct {
+	fn_read *fn_read;
+	void *arg_read;
+	fn_write *fn_write;
+	void *arg_write;
+} LZ4MT_RdWr_t;
+
+typedef struct LZ4MT_CCtx_s LZ4MT_CCtx;
+
+/* 1) allocate new cctx */
+LZ4MT_CCtx *LZ4MT_createCCtx(int threads, int level, int inputsize);
+
+/* 2) threaded compression */
+size_t LZ4MT_CompressCCtx(LZ4MT_CCtx * ctx, LZ4MT_RdWr_t * rdwr);
+
+/* 3) get some statistic */
+size_t LZ4MT_GetFramesCCtx(LZ4MT_CCtx * ctx);
+size_t LZ4MT_GetInsizeCCtx(LZ4MT_CCtx * ctx);
+size_t LZ4MT_GetOutsizeCCtx(LZ4MT_CCtx * ctx);
+
+/* 4) free cctx */
+void LZ4MT_freeCCtx(LZ4MT_CCtx * ctx);
+```
+
+### Decompression
+```
+typedef struct LZ4MT_DCtx_s LZ4MT_DCtx;
+
+/* 1) allocate new cctx */
+LZ4MT_DCtx *LZ4MT_createDCtx(int threads, int inputsize);
+
+/* 2) threaded compression */
+size_t LZ4MT_DecompressDCtx(LZ4MT_DCtx * ctx, LZ4MT_RdWr_t * rdwr);
+
+/* 3) get some statistic */
+size_t LZ4MT_GetFramesDCtx(LZ4MT_DCtx * ctx);
+size_t LZ4MT_GetInsizeDCtx(LZ4MT_DCtx * ctx);
+size_t LZ4MT_GetOutsizeDCtx(LZ4MT_DCtx * ctx);
+
+/* 4) free cctx */
+void LZ4MT_freeDCtx(LZ4MT_DCtx * ctx);
+```
+
+## Todo
+
+- add Makefile
diff --git a/list.h b/lib/list.h
similarity index 100%
rename from list.h
rename to lib/list.h
diff --git a/lz4mt.h b/lib/lz4mt.h
similarity index 100%
rename from lz4mt.h
rename to lib/lz4mt.h
diff --git a/lz4mt_common.c b/lib/lz4mt_common.c
similarity index 80%
rename from lz4mt_common.c
rename to lib/lz4mt_common.c
index a0fcf0a..2dedd62 100644
--- a/lz4mt_common.c
+++ b/lib/lz4mt_common.c
@@ -24,14 +24,6 @@ size_t lz4mt_errcode;
  */
 unsigned LZ4MT_isError(size_t code)
 {
-#if 0
-	printf("no_error            = %zu\n", ERROR(no_error));
-	printf("memory_allocation   = %zu\n", ERROR(memory_allocation));
-	printf("compression_library = %zu\n", ERROR(compression_library));
-	printf("maxCode             = %zu\n", ERROR(maxCode));
-	printf("result              = %zu\n", code);
-	printf("ok ZSTD_decompressStream() result=%zu >=%d max=%zu\n", code, code > ERROR(maxCode), ERROR(maxCode));
-#endif
 	return (code > ERROR(maxCode));
 }
 
diff --git a/lz4mt_compress.c b/lib/lz4mt_compress.c
similarity index 100%
rename from lz4mt_compress.c
rename to lib/lz4mt_compress.c
diff --git a/lz4mt_decompress.c b/lib/lz4mt_decompress.c
similarity index 100%
rename from lz4mt_decompress.c
rename to lib/lz4mt_decompress.c
diff --git a/lz5mt.h b/lib/lz5mt.h
similarity index 100%
rename from lz5mt.h
rename to lib/lz5mt.h
diff --git a/lz5mt_common.c b/lib/lz5mt_common.c
similarity index 100%
rename from lz5mt_common.c
rename to lib/lz5mt_common.c
diff --git a/lz5mt_compress.c b/lib/lz5mt_compress.c
similarity index 100%
rename from lz5mt_compress.c
rename to lib/lz5mt_compress.c
diff --git a/lz5mt_decompress.c b/lib/lz5mt_decompress.c
similarity index 100%
rename from lz5mt_decompress.c
rename to lib/lz5mt_decompress.c
diff --git a/mem.h b/lib/mem.h
similarity index 100%
rename from mem.h
rename to lib/mem.h
diff --git a/threading.c b/lib/threading.c
similarity index 100%
rename from threading.c
rename to lib/threading.c
diff --git a/threading.h b/lib/threading.h
similarity index 100%
rename from threading.h
rename to lib/threading.h
diff --git a/zstdmt.h b/lib/zstdmt.h
similarity index 100%
rename from zstdmt.h
rename to lib/zstdmt.h
diff --git a/zstdmt_common.c b/lib/zstdmt_common.c
similarity index 100%
rename from zstdmt_common.c
rename to lib/zstdmt_common.c
diff --git a/zstdmt_compress.c b/lib/zstdmt_compress.c
similarity index 100%
rename from zstdmt_compress.c
rename to lib/zstdmt_compress.c
diff --git a/zstdmt_decompress.c b/lib/zstdmt_decompress.c
similarity index 100%
rename from zstdmt_decompress.c
rename to lib/zstdmt_decompress.c
diff --git a/multistream/README.md b/multistream/README.md
index c751e5f..05af8f8 100644
--- a/multistream/README.md
+++ b/multistream/README.md
@@ -1,20 +1,6 @@
 
 # zstdmt multistream testing, obsolete
 
-zstdmt depends currently on posix threads for multi-threading and is
-only tested on linux
-
-I will add support for windows and CreateThread() together with
-WaitForMultipleObjects() / WaitForSingleObject() later...
-
-## Building for Linux with gcc
-
- - Run `make`.
-
-## Building for Linux with Clang
-
- - Run `make CC=clang`
-
 ## Overview
 
  - `./zstd-zstd` - single threaded single stream mode (normal zstd stream)
@@ -24,8 +10,7 @@ WaitForMultipleObjects() / WaitForSingleObject() later...
 
 ## Todo
 
- - add support for windows
- - fix and document return codes in own mini libraries
+ - nothing, this stuff is obsolte, just kept for history
 
 ## See also
 
diff --git a/unix/Makefile b/unix/Makefile
new file mode 100644
index 0000000..401f58e
--- /dev/null
+++ b/unix/Makefile
@@ -0,0 +1,46 @@
+
+CC	= gcc
+STRIP	= strip
+#CC	= clang
+
+CFLAGS	= -W -pthread -Wall -pipe
+CFLAGS	+= -fomit-frame-pointer
+CFLAGS	+= -I ../lib
+LDFLAGS	= -lpthread
+# -static
+
+#CFLAGS += -DDEBUGME
+#CFLAGS += -g
+CFLAGS += -O3
+#CFLAGS += -march=native
+#CFLAGS += -Wno-unused-but-set-variable
+#CFLAGS += -Wno-unused-variable
+#CFLAGS += -Wno-unused-function
+
+PRGS	= zstdmt lz4mt lz5mt
+
+COMMON	= util.c
+LIBLZ4	= ../lib/threading.c ../lib/lz4mt_common.c ../lib/lz4mt_compress.c ../lib/lz4mt_decompress.c
+LIBLZ5	= ../lib/threading.c ../lib/lz5mt_common.c ../lib/lz5mt_compress.c ../lib/lz5mt_decompress.c
+LIBZSTD	= ../lib/threading.c ../lib/zstdmt_common.c ../lib/zstdmt_compress.c ../lib/zstdmt_decompress.c
+
+all:	$(PRGS)
+again:	clean $(PRGS)
+
+lz4mt:
+	$(CC) $(CFLAGS) $(LDFLAGS) -llz4 -o $@ lz4mt.c $(LIBLZ4) $(COMMON)
+	$(STRIP) $@
+
+lz5mt:
+	$(CC) $(CFLAGS) $(LDFLAGS) -llz5 -o $@ lz5mt.c $(LIBLZ5) $(COMMON)
+	$(STRIP) $@
+
+zstdmt:
+	$(CC) $(CFLAGS) $(LDFLAGS) -lzstd -o $@ zstdmt.c $(LIBZSTD) $(COMMON)
+	$(STRIP) $@
+
+clean:
+	rm -rf $(PRGS)
+
+.c.c:
+	$(CC) $(CFLAGS) -c $< -o $@
diff --git a/unix/README.md b/unix/README.md
new file mode 100644
index 0000000..4a4c95e
--- /dev/null
+++ b/unix/README.md
@@ -0,0 +1,216 @@
+
+## Usage of the Testutils @ UNIX / Linux
+
+### [LZ4]
+```
+Usage: lz4mt [options] infile outfile
+
+Otions:
+ -l N    set level (1..16) of compression (default: 1)
+ -t N    set number of (de)compression threads (default: 2)
+ -i N    set number of iterations for testing (default: 1)
+ -b N    set input chunksize to N MiB (default: auto)
+ -c      compress (default mode)
+ -d      use decompress mode
+ -H      print headline for the testing values
+ -h      show usage
+ -v      show version
+```
+
+### [LZ5]
+```
+Usage: lz5mt [options] infile outfile
+
+Otions:
+ -l N    set level (1..16) of compression (default: 1)
+ -t N    set number of (de)compression threads (default: 2)
+ -i N    set number of iterations for testing (default: 1)
+ -b N    set input chunksize to N MiB (default: auto)
+ -c      compress (default mode)
+ -d      use decompress mode
+ -H      print headline for the testing values
+ -h      show usage
+ -v      show version
+```
+
+### [ZStandard]
+```
+Usage: zstdmt [options] infile outfile
+
+Otions:
+ -l N    set level of compression (default: 3)
+ -t N    set number of (de)compression threads (default: 2)
+ -i N    set number of iterations for testing (default: 1)
+ -b N    set input chunksize to N MiB (default: auto)
+ -c      compress (default mode)
+ -d      use decompress mode (XXX, not done)
+ -H      print headline for the testing values
+ -h      show usage
+ -v      show version
+```
+
+
+## Benchmarks
+
+### [LZ4]
+Level|Threads|InSize|OutSize|Frames|Real|User|Sys|MaxMem
+-----|-------|------|-------|------|----|----|---|------
+1|1|211957760|101069667|3235|1.393|1.347|0.42|2096
+1|2|211957760|101069667|3235|0.622|1.200|0.39|2096
+1|4|211957760|101069667|3235|0.397|1.541|0.30|2096
+2|1|211957760|101069667|3235|1.312|1.265|0.43|2096
+2|2|211957760|101069667|3235|0.734|1.415|0.44|2096
+2|4|211957760|101069667|3235|0.338|1.297|0.41|2248
+3|1|211957760|88923937|3235|6.945|6.854|0.61|2096
+3|2|211957760|88923937|3235|3.381|6.687|0.47|2096
+3|4|211957760|88923937|3235|1.999|7.891|0.64|2712
+4|1|211957760|87542131|3235|7.940|7.847|0.58|2096
+4|2|211957760|87542131|3235|4.161|8.224|0.62|2096
+4|4|211957760|87542131|3235|2.207|8.718|0.61|4796
+5|1|211957760|86701884|3235|8.994|8.907|0.51|2096
+5|2|211957760|86701884|3235|4.822|9.527|0.72|2096
+5|4|211957760|86701884|3235|2.771|10.967|0.61|2844
+6|1|211957760|86228097|3235|10.425|10.344|0.42|2096
+6|2|211957760|86228097|3235|5.388|10.677|0.57|2096
+6|4|211957760|86228097|3235|3.288|13.18|0.63|2720
+7|1|211957760|85963374|3235|11.856|11.749|0.61|2096
+7|2|211957760|85963374|3235|6.39|11.972|0.58|2096
+7|4|211957760|85963374|3235|3.603|14.282|0.61|2760
+8|1|211957760|85824153|3235|13.551|13.444|0.56|2096
+8|2|211957760|85824153|3235|6.897|13.695|0.43|2096
+8|4|211957760|85824153|3235|4.56|16.79|0.65|2976
+9|1|211957760|85762795|3235|14.623|14.515|0.54|2096
+9|2|211957760|85762795|3235|7.564|15.15|0.55|2096
+9|4|211957760|85762795|3235|4.593|18.215|0.68|3000
+10|1|211957760|85736453|3235|16.81|15.977|0.44|2096
+10|2|211957760|85736453|3235|8.225|16.328|0.54|2096
+10|4|211957760|85736453|3235|4.730|18.745|0.79|3144
+11|1|211957760|85725904|3235|17.6|16.894|0.48|2096
+11|2|211957760|85725904|3235|8.902|17.672|0.62|2096
+11|4|211957760|85725904|3235|5.73|20.123|0.58|3700
+12|1|211957760|85720684|3235|18.53|17.935|0.54|2096
+12|2|211957760|85720684|3235|9.186|18.250|0.54|2096
+12|4|211957760|85720684|3235|5.715|22.706|0.52|3536
+13|1|211957760|85717239|3235|19.752|19.622|0.60|2096
+13|2|211957760|85717239|3235|10.300|20.459|0.61|2164
+13|4|211957760|85717239|3235|6.69|24.71|0.91|3672
+14|1|211957760|85714803|3235|22.436|22.292|0.66|2096
+14|2|211957760|85714803|3235|11.744|23.339|0.57|2448
+14|4|211957760|85714803|3235|6.593|26.194|0.61|4104
+15|1|211957760|85713782|3235|24.788|24.633|0.72|2096
+15|2|211957760|85713782|3235|12.364|24.591|0.50|2968
+15|4|211957760|85713782|3235|7.336|29.152|0.59|7400
+16|1|211957760|85713635|3235|25.313|25.177|0.50|2096
+16|2|211957760|85713635|3235|12.791|25.426|0.62|3744
+16|4|211957760|85713635|3235|7.650|30.419|0.46|6840
+
+### [LZ5]
+Level|Threads|InSize|OutSize|Frames|Real|User|Sys|MaxMem
+-----|-------|------|-------|------|----|----|---|------
+1|1|211957760|123117368|3235|1.523|1.466|0.50|2096
+1|2|211957760|123118976|3235|0.804|1.554|0.45|2096
+1|4|211957760|123118409|3235|0.442|1.707|0.46|2096
+2|1|211957760|110989793|3235|2.121|2.71|0.42|2096
+2|2|211957760|110990294|3235|1.36|2.22|0.41|2096
+2|4|211957760|110990676|3235|0.549|2.136|0.43|2120
+3|1|211957760|100263984|3235|2.632|2.589|0.33|2100
+3|2|211957760|100264075|3235|1.359|2.663|0.43|2100
+3|4|211957760|100263827|3235|0.841|3.305|0.38|2224
+4|1|211957760|91372757|3235|4.62|3.982|0.64|2100
+4|2|211957760|91372725|3235|2.200|4.331|0.51|2100
+4|4|211957760|91372698|3235|1.245|4.897|0.54|2848
+5|1|211957760|90471735|3235|4.528|4.454|0.54|2100
+5|2|211957760|90471659|3235|2.262|4.452|0.51|2484
+5|4|211957760|90471655|3235|1.377|5.404|0.61|4260
+6|1|211957760|86823397|3235|13.271|13.164|0.55|2100
+6|2|211957760|86823397|3235|6.844|13.570|0.60|2124
+6|4|211957760|86823397|3235|4.305|17.59|0.74|9732
+7|1|211957760|86367683|3235|13.664|13.551|0.59|2100
+7|2|211957760|86367683|3235|6.964|13.821|0.42|4224
+7|4|211957760|86367683|3235|4.310|17.75|0.71|5808
+8|1|211957760|86228271|3235|14.230|14.103|0.66|3528
+8|2|211957760|86228271|3235|7.698|15.258|0.65|9540
+8|4|211957760|86228271|3235|5.2|19.785|0.93|12604
+9|1|211957760|84279832|3235|32.157|17.532|14.468|36128
+9|2|211957760|84279832|3235|18.114|20.801|14.419|67788
+9|4|211957760|84279832|3235|15.102|30.357|21.389|134544
+10|1|211957760|83448337|3235|33.661|19.69|14.431|34252
+10|2|211957760|83448337|3235|21.210|23.979|16.901|70376
+10|4|211957760|83448337|3235|13.872|31.216|18.327|139448
+11|1|211957760|82198886|3235|46.662|28.395|18.34|34280
+11|2|211957760|82198886|3235|23.75|30.545|14.642|67912
+11|4|211957760|82198886|3235|15.690|39.594|17.732|136308
+12|1|211957760|81284779|3235|59.607|41.422|17.894|35904
+12|2|211957760|81284779|3235|29.520|43.461|14.636|67772
+12|4|211957760|81284779|3235|20.186|55.754|19.54|134728
+13|1|211957760|81940180|3235|81.349|64.895|16.94|36352
+13|2|211957760|81940180|3235|44.839|69.904|18.34|71612
+13|4|211957760|81940180|3235|28.12|84.279|19.784|142868
+14|1|211957760|81560383|3235|89.732|73.370|15.982|36352
+14|2|211957760|81560383|3235|48.969|78.345|17.997|73772
+14|4|211957760|81560383|3235|29.402|93.96|18.868|144112
+15|1|211957760|81490962|3235|598.712|135.637|460.587|1117296
+15|2|211957760|81490962|3235|348.964|152.81|528.464|2230196
+15|4|211957760|81490962|3235|264.598|191.203|816.42|4399220
+16|1|211957760|81490962|3235|595.970|133.238|460.31|1117236
+16|2|211957760|81490962|3235|384.303|161.587|588.589|2232060
+16|4|211957760|81490962|3235|295.830|206.416|922.797|4419620
+
+### [ZStandard]
+Level|Threads|InSize|OutSize|Frames|Real|User|Sys|MaxMem
+-----|-------|------|-------|------|----|----|---|------
+1|1|211957760|73853773|102|2.694|2.636|0.47|6212
+1|2|211957760|73853773|102|1.329|2.579|0.55|11968
+1|4|211957760|73853773|102|0.898|3.448|0.84|20412
+2|1|211957760|70521776|102|3.104|3.45|0.46|6236
+2|2|211957760|70521776|102|1.536|2.995|0.56|11536
+2|4|211957760|70521776|102|1.76|4.127|0.96|21444
+3|1|211957760|67263553|51|4.265|4.185|0.62|11096
+3|2|211957760|67263553|51|2.138|4.171|0.68|22728
+3|4|211957760|67263553|51|1.626|6.61|0.101|47928
+4|1|211957760|66324953|51|4.642|4.560|0.62|13988
+4|2|211957760|66324953|51|2.697|5.266|0.83|30332
+4|4|211957760|66324953|51|2.8|7.556|0.120|57040
+5|1|211957760|65188167|34|6.892|6.804|0.60|15100
+5|2|211957760|65188167|34|3.835|7.403|0.71|29996
+5|4|211957760|65188167|34|2.543|9.372|0.76|60748
+6|1|211957760|63279533|34|9.109|9.9|0.62|19364
+6|2|211957760|63279533|34|5.7|9.793|0.75|38620
+6|4|211957760|63279533|34|3.613|13.559|0.98|75180
+7|1|211957760|62305767|34|9.966|9.868|0.56|23924
+7|2|211957760|62305767|34|6.59|11.905|0.77|47140
+7|4|211957760|62305767|34|3.924|14.428|0.106|94540
+8|1|211957760|61248190|26|14.264|14.132|0.72|28380
+8|2|211957760|61248190|26|7.927|15.427|0.71|55348
+8|4|211957760|61248190|26|5.350|19.541|0.129|105360
+9|1|211957760|60694170|26|16.305|16.158|0.76|33568
+9|2|211957760|60694170|26|10.784|20.648|0.104|66752
+9|4|211957760|60694170|26|7.110|26.91|0.162|134808
+10|1|211957760|60429156|26|17.495|17.348|0.71|37652
+10|2|211957760|60429156|26|10.216|19.839|0.81|76244
+10|4|211957760|60429156|26|7.16|26.528|0.146|153452
+11|1|211957760|59939304|26|19.225|19.77|0.67|60724
+11|2|211957760|59939304|26|11.967|23.53|0.103|122344
+11|4|211957760|59939304|26|7.677|29.2|0.150|243604
+12|1|211957760|59543345|26|25.706|25.522|0.71|60268
+12|2|211957760|59543345|26|15.107|29.754|0.84|122516
+12|4|211957760|59543345|26|10.435|39.818|0.162|248232
+13|1|211957760|59289863|26|29.759|29.566|0.76|68568
+13|2|211957760|59289863|26|18.462|36.283|0.100|141032
+13|4|211957760|59289863|26|12.230|46.21|0.154|283432
+14|1|211957760|58948339|26|43.408|43.162|0.82|68892
+14|2|211957760|58948339|26|27.227|54.62|0.103|145440
+14|4|211957760|58948339|26|18.10|69.415|0.162|287508
+15|1|211957760|58249793|13|78.811|78.428|0.77|62744
+15|2|211957760|58249793|13|47.213|92.540|0.137|123976
+15|4|211957760|58249793|13|27.105|100.529|0.144|245424
+16|1|211957760|57640281|13|85.943|85.423|0.156|100200
+16|2|211957760|57640281|13|48.152|93.87|0.200|199128
+16|4|211957760|57640281|13|29.156|106.315|0.237|396972
+17|1|211957760|56962464|13|106.187|105.615|0.96|82804
+17|2|211957760|56962464|13|56.340|110.251|0.114|164984
+17|4|211957760|56962464|13|34.900|127.95|0.160|329420
+
+[LZ4]:https://cyan4973.github.io/lz4/
+[LZ5]:https://github.com/inikep/lz5
+[ZStandard]:http://facebook.github.io/zstd/
diff --git a/lz4mt.c b/unix/lz4mt.c
similarity index 100%
rename from lz4mt.c
rename to unix/lz4mt.c
index 19c7f05..9298170 100644
--- a/lz4mt.c
+++ b/unix/lz4mt.c
@@ -19,8 +19,8 @@
 #include <stdlib.h>
 #include <stdio.h>
 
-#include "lz4mt.h"
 #include "util.h"
+#include "lz4mt.h"
 
 /**
  * program for testing threaded stuff on zstd
diff --git a/lz5mt.c b/unix/lz5mt.c
similarity index 100%
rename from lz5mt.c
rename to unix/lz5mt.c
index 3339069..a8c28d4 100644
--- a/lz5mt.c
+++ b/unix/lz5mt.c
@@ -19,8 +19,8 @@
 #include <stdlib.h>
 #include <stdio.h>
 
-#include "lz5mt.h"
 #include "util.h"
+#include "lz5mt.h"
 
 /**
  * program for testing threaded stuff on zstd
diff --git a/util.c b/unix/util.c
similarity index 100%
rename from util.c
rename to unix/util.c
diff --git a/util.h b/unix/util.h
similarity index 100%
rename from util.h
rename to unix/util.h
diff --git a/zstdmt.c b/unix/zstdmt.c
similarity index 99%
rename from zstdmt.c
rename to unix/zstdmt.c
index ca62ba8..c7ce960 100644
--- a/zstdmt.c
+++ b/unix/zstdmt.c
@@ -20,7 +20,6 @@
 #include <stdio.h>
 
 #include "zstdmt.h"
-#include "zstd.h"
 #include "util.h"
 
 /**
diff --git a/windows/Makefile b/windows/Makefile
new file mode 100644
index 0000000..c23e772
--- /dev/null
+++ b/windows/Makefile
@@ -0,0 +1,69 @@
+
+CROSS	= i686-w64-mingw32-
+CC	= $(CROSS)gcc
+STRIP	= $(CROSS)strip
+RANLIB	= $(CROSS)ranlib
+#CC	= clang
+
+CFLAGS	= -W -pthread -Wall -pipe
+CFLAGS	= -fomit-frame-pointer
+LDFLAGS	= -lpthread
+
+#CFLAGS += -DDEBUGME
+#CFLAGS += -g
+CFLAGS += -O3
+#CFLAGS += -march=native
+#CFLAGS += -Wno-unused-but-set-variable
+#CFLAGS += -Wno-unused-variable
+#CFLAGS += -Wno-unused-function
+
+PRGS	= lz4mt lz5mt zstdmt
+
+all:	loadsource $(PRGS)
+again:	clean $(PRGS)
+
+ZSTDMTDIR = ../lib
+CFLAGS	+= -I. -I$(ZSTDMTDIR)
+
+LIBLZ4	= $(ZSTDMTDIR)/threading.c $(ZSTDMTDIR)/lz4mt_common.c $(ZSTDMTDIR)/lz4mt_compress.c $(ZSTDMTDIR)/lz4mt_decompress.c
+LIBLZ5	= $(ZSTDMTDIR)/threading.c $(ZSTDMTDIR)/lz5mt_common.c $(ZSTDMTDIR)/lz5mt_compress.c $(ZSTDMTDIR)/lz5mt_decompress.c
+LIBZSTD	= $(ZSTDMTDIR)/threading.c $(ZSTDMTDIR)/zstdmt_common.c $(ZSTDMTDIR)/zstdmt_compress.c $(ZSTDMTDIR)/zstdmt_decompress.c
+
+LZ4DIR	= lz4/lib
+LIBLZ4	+= $(LZ4DIR)/lz4.c $(LZ4DIR)/lz4frame.c $(LZ4DIR)/lz4hc.c $(LZ4DIR)/xxhash.c
+CF_LZ4	+= $(CFLAGS) -Ilz4/lib
+
+LZ5DIR	= lz5/lib
+LIBLZ5	+= $(LZ5DIR)/lz5.c $(LZ5DIR)/lz5frame.c $(LZ5DIR)/lz5hc.c $(LZ5DIR)/xxhash.c
+CF_LZ5	+= $(CFLAGS) -Ilz5/lib
+
+ZSTDDIR    = zstd/lib
+ZSTDCOMMON = $(ZSTDDIR)/common
+LIBZSTD   += $(ZSTDCOMMON)/entropy_common.c  $(ZSTDCOMMON)/fse_decompress.c  $(ZSTDCOMMON)/xxhash.c  $(ZSTDCOMMON)/zstd_common.c
+ZSTDCOMP   = $(ZSTDDIR)/compress
+LIBZSTD   += $(ZSTDCOMP)/fse_compress.c  $(ZSTDCOMP)/huf_compress.c  $(ZSTDCOMP)/zbuff_compress.c  $(ZSTDCOMP)/zstd_compress.c
+ZSTDDECOMP = $(ZSTDDIR)/decompress
+LIBZSTD   += $(ZSTDDECOMP)/huf_decompress.c   $(ZSTDDECOMP)/zstd_decompress.c
+ZSTDLEGACY = $(ZSTDDIR)/legacy
+LIBZSTD   += $(ZSTDLEGACY)/zstd_v05.c  $(ZSTDLEGACY)/zstd_v06.c  $(ZSTDLEGACY)/zstd_v07.c
+CF_ZSTD	+= $(CFLAGS) -I$(ZSTDDIR) -I$(ZSTDCOMMON) -I$(ZSTDCOMP) -I$(ZSTDDECOMP) -I$(ZSTDLEGACY)
+
+loadsource:
+	test -d lz4  || git clone https://github.com/Cyan4973/lz4 -b r131 --depth=1 lz4
+	test -d lz5  || git clone https://github.com/inikep/lz5    --depth=1 lz5
+	test -d zstd || git clone https://github.com/facebook/zstd --depth=1 zstd
+
+lz4mt: lz4mt.o
+	$(CC) $(CF_LZ4) $(LDFLAGS) -o $@ $(LIBLZ4) lz4mt.o
+	$(STRIP) $@
+
+lz5mt: lz5mt.o
+	$(CC) $(CF_LZ5) $(LDFLAGS) -o $@ $(LIBLZ5) lz5mt.o
+	$(STRIP) $@
+
+zstdmt: zstdmt.o
+	$(CC) $(CF_ZSTD) $(LDFLAGS) -o $@ $(LIBZSTD) zstdmt.o
+	$(STRIP) $@
+
+clean:
+	rm -f $(PRGS) *.o *.a
diff --git a/windows/README.md b/windows/README.md
new file mode 100644
index 0000000..27cfa8a
--- /dev/null
+++ b/windows/README.md
@@ -0,0 +1,47 @@
+
+## Usage of the Testutils @ Windows
+
+### [LZ4]
+```
+Usage: lz4mt [options] infile outfile
+
+Otions:
+ -l N    set level (1..16) of compression (default: 1)
+ -t N    set number of (de)compression threads (default: 2)
+ -i N    set number of iterations for testing (default: 1)
+ -b N    set input chunksize to N MiB (default: auto)
+ -c      compress (default mode)
+ -d      use decompress mode
+ -h      show usage
+ -v      show version
+```
+
+### [LZ5]
+```
+Usage: lz5mt [options] infile outfile
+
+Otions:
+ -l N    set level (1..16) of compression (default: 1)
+ -t N    set number of (de)compression threads (default: 2)
+ -i N    set number of iterations for testing (default: 1)
+ -b N    set input chunksize to N MiB (default: auto)
+ -c      compress (default mode)
+ -d      use decompress mode
+ -h      show usage
+ -v      show version
+```
+
+### [ZStandard]
+```
+Usage: zstdmt [options] infile outfile
+
+Otions:
+ -l N    set level of compression (default: 3)
+ -t N    set number of (de)compression threads (default: 2)
+ -i N    set number of iterations for testing (default: 1)
+ -b N    set input chunksize to N MiB (default: auto)
+ -c      compress (default mode)
+ -d      use decompress mode
+ -h      show usage
+ -v      show version
+```
diff --git a/windows/README.mdc b/windows/README.mdc
new file mode 100644
index 0000000..5ceccf6
--- /dev/null
+++ b/windows/README.mdc
@@ -0,0 +1,237 @@
+
+# compiling via cross compiler @ linux
+- i686-w64-mingw32-ranlib libzstd.a
+
+# Multithreading Library for [LZ4], [LZ5] and [ZStandard]
+
+
+### Compression
+```
+typedef struct {
+	void *buf;		/* ptr to data */
+	size_t size;		/* current filled in buf */
+	size_t allocated;	/* length of buf */
+} LZ4MT_Buffer;
+
+/**
+ * reading and writing functions
+ * - you can use stdio functions or plain read/write ...
+ * - a sample is given in 7-Zip ZS or lz4mt.c
+ */
+typedef int (fn_read) (void *args, LZ4MT_Buffer * in);
+typedef int (fn_write) (void *args, LZ4MT_Buffer * out);
+
+typedef struct {
+	fn_read *fn_read;
+	void *arg_read;
+	fn_write *fn_write;
+	void *arg_write;
+} LZ4MT_RdWr_t;
+
+typedef struct LZ4MT_CCtx_s LZ4MT_CCtx;
+
+/* 1) allocate new cctx */
+LZ4MT_CCtx *LZ4MT_createCCtx(int threads, int level, int inputsize);
+
+/* 2) threaded compression */
+size_t LZ4MT_CompressCCtx(LZ4MT_CCtx * ctx, LZ4MT_RdWr_t * rdwr);
+
+/* 3) get some statistic */
+size_t LZ4MT_GetFramesCCtx(LZ4MT_CCtx * ctx);
+size_t LZ4MT_GetInsizeCCtx(LZ4MT_CCtx * ctx);
+size_t LZ4MT_GetOutsizeCCtx(LZ4MT_CCtx * ctx);
+
+/* 4) free cctx */
+void LZ4MT_freeCCtx(LZ4MT_CCtx * ctx);
+```
+
+### Decompression
+```
+typedef struct LZ4MT_DCtx_s LZ4MT_DCtx;
+
+/* 1) allocate new cctx */
+LZ4MT_DCtx *LZ4MT_createDCtx(int threads, int inputsize);
+
+/* 2) threaded compression */
+size_t LZ4MT_DecompressDCtx(LZ4MT_DCtx * ctx, LZ4MT_RdWr_t * rdwr);
+
+/* 3) get some statistic */
+size_t LZ4MT_GetFramesDCtx(LZ4MT_DCtx * ctx);
+size_t LZ4MT_GetInsizeDCtx(LZ4MT_DCtx * ctx);
+size_t LZ4MT_GetOutsizeDCtx(LZ4MT_DCtx * ctx);
+
+/* 4) free cctx */
+void LZ4MT_freeDCtx(LZ4MT_DCtx * ctx);
+```
+
+## Benchmarks
+
+### [LZ4]
+Level|Threads|InSize|OutSize|Frames|Real|User|Sys|MaxMem
+-----|-------|------|-------|------|----|----|---|------
+1|1|211957760|101069667|3235|1.393|1.347|0.42|2096
+1|2|211957760|101069667|3235|0.622|1.200|0.39|2096
+1|4|211957760|101069667|3235|0.397|1.541|0.30|2096
+2|1|211957760|101069667|3235|1.312|1.265|0.43|2096
+2|2|211957760|101069667|3235|0.734|1.415|0.44|2096
+2|4|211957760|101069667|3235|0.338|1.297|0.41|2248
+3|1|211957760|88923937|3235|6.945|6.854|0.61|2096
+3|2|211957760|88923937|3235|3.381|6.687|0.47|2096
+3|4|211957760|88923937|3235|1.999|7.891|0.64|2712
+4|1|211957760|87542131|3235|7.940|7.847|0.58|2096
+4|2|211957760|87542131|3235|4.161|8.224|0.62|2096
+4|4|211957760|87542131|3235|2.207|8.718|0.61|4796
+5|1|211957760|86701884|3235|8.994|8.907|0.51|2096
+5|2|211957760|86701884|3235|4.822|9.527|0.72|2096
+5|4|211957760|86701884|3235|2.771|10.967|0.61|2844
+6|1|211957760|86228097|3235|10.425|10.344|0.42|2096
+6|2|211957760|86228097|3235|5.388|10.677|0.57|2096
+6|4|211957760|86228097|3235|3.288|13.18|0.63|2720
+7|1|211957760|85963374|3235|11.856|11.749|0.61|2096
+7|2|211957760|85963374|3235|6.39|11.972|0.58|2096
+7|4|211957760|85963374|3235|3.603|14.282|0.61|2760
+8|1|211957760|85824153|3235|13.551|13.444|0.56|2096
+8|2|211957760|85824153|3235|6.897|13.695|0.43|2096
+8|4|211957760|85824153|3235|4.56|16.79|0.65|2976
+9|1|211957760|85762795|3235|14.623|14.515|0.54|2096
+9|2|211957760|85762795|3235|7.564|15.15|0.55|2096
+9|4|211957760|85762795|3235|4.593|18.215|0.68|3000
+10|1|211957760|85736453|3235|16.81|15.977|0.44|2096
+10|2|211957760|85736453|3235|8.225|16.328|0.54|2096
+10|4|211957760|85736453|3235|4.730|18.745|0.79|3144
+11|1|211957760|85725904|3235|17.6|16.894|0.48|2096
+11|2|211957760|85725904|3235|8.902|17.672|0.62|2096
+11|4|211957760|85725904|3235|5.73|20.123|0.58|3700
+12|1|211957760|85720684|3235|18.53|17.935|0.54|2096
+12|2|211957760|85720684|3235|9.186|18.250|0.54|2096
+12|4|211957760|85720684|3235|5.715|22.706|0.52|3536
+13|1|211957760|85717239|3235|19.752|19.622|0.60|2096
+13|2|211957760|85717239|3235|10.300|20.459|0.61|2164
+13|4|211957760|85717239|3235|6.69|24.71|0.91|3672
+14|1|211957760|85714803|3235|22.436|22.292|0.66|2096
+14|2|211957760|85714803|3235|11.744|23.339|0.57|2448
+14|4|211957760|85714803|3235|6.593|26.194|0.61|4104
+15|1|211957760|85713782|3235|24.788|24.633|0.72|2096
+15|2|211957760|85713782|3235|12.364|24.591|0.50|2968
+15|4|211957760|85713782|3235|7.336|29.152|0.59|7400
+16|1|211957760|85713635|3235|25.313|25.177|0.50|2096
+16|2|211957760|85713635|3235|12.791|25.426|0.62|3744
+16|4|211957760|85713635|3235|7.650|30.419|0.46|6840
+
+### [LZ5]
+Level|Threads|InSize|OutSize|Frames|Real|User|Sys|MaxMem
+-----|-------|------|-------|------|----|----|---|------
+1|1|211957760|123117368|3235|1.523|1.466|0.50|2096
+1|2|211957760|123118976|3235|0.804|1.554|0.45|2096
+1|4|211957760|123118409|3235|0.442|1.707|0.46|2096
+2|1|211957760|110989793|3235|2.121|2.71|0.42|2096
+2|2|211957760|110990294|3235|1.36|2.22|0.41|2096
+2|4|211957760|110990676|3235|0.549|2.136|0.43|2120
+3|1|211957760|100263984|3235|2.632|2.589|0.33|2100
+3|2|211957760|100264075|3235|1.359|2.663|0.43|2100
+3|4|211957760|100263827|3235|0.841|3.305|0.38|2224
+4|1|211957760|91372757|3235|4.62|3.982|0.64|2100
+4|2|211957760|91372725|3235|2.200|4.331|0.51|2100
+4|4|211957760|91372698|3235|1.245|4.897|0.54|2848
+5|1|211957760|90471735|3235|4.528|4.454|0.54|2100
+5|2|211957760|90471659|3235|2.262|4.452|0.51|2484
+5|4|211957760|90471655|3235|1.377|5.404|0.61|4260
+6|1|211957760|86823397|3235|13.271|13.164|0.55|2100
+6|2|211957760|86823397|3235|6.844|13.570|0.60|2124
+6|4|211957760|86823397|3235|4.305|17.59|0.74|9732
+7|1|211957760|86367683|3235|13.664|13.551|0.59|2100
+7|2|211957760|86367683|3235|6.964|13.821|0.42|4224
+7|4|211957760|86367683|3235|4.310|17.75|0.71|5808
+8|1|211957760|86228271|3235|14.230|14.103|0.66|3528
+8|2|211957760|86228271|3235|7.698|15.258|0.65|9540
+8|4|211957760|86228271|3235|5.2|19.785|0.93|12604
+9|1|211957760|84279832|3235|32.157|17.532|14.468|36128
+9|2|211957760|84279832|3235|18.114|20.801|14.419|67788
+9|4|211957760|84279832|3235|15.102|30.357|21.389|134544
+10|1|211957760|83448337|3235|33.661|19.69|14.431|34252
+10|2|211957760|83448337|3235|21.210|23.979|16.901|70376
+10|4|211957760|83448337|3235|13.872|31.216|18.327|139448
+11|1|211957760|82198886|3235|46.662|28.395|18.34|34280
+11|2|211957760|82198886|3235|23.75|30.545|14.642|67912
+11|4|211957760|82198886|3235|15.690|39.594|17.732|136308
+12|1|211957760|81284779|3235|59.607|41.422|17.894|35904
+12|2|211957760|81284779|3235|29.520|43.461|14.636|67772
+12|4|211957760|81284779|3235|20.186|55.754|19.54|134728
+13|1|211957760|81940180|3235|81.349|64.895|16.94|36352
+13|2|211957760|81940180|3235|44.839|69.904|18.34|71612
+13|4|211957760|81940180|3235|28.12|84.279|19.784|142868
+14|1|211957760|81560383|3235|89.732|73.370|15.982|36352
+14|2|211957760|81560383|3235|48.969|78.345|17.997|73772
+14|4|211957760|81560383|3235|29.402|93.96|18.868|144112
+15|1|211957760|81490962|3235|598.712|135.637|460.587|1117296
+15|2|211957760|81490962|3235|348.964|152.81|528.464|2230196
+15|4|211957760|81490962|3235|264.598|191.203|816.42|4399220
+16|1|211957760|81490962|3235|595.970|133.238|460.31|1117236
+16|2|211957760|81490962|3235|384.303|161.587|588.589|2232060
+16|4|211957760|81490962|3235|295.830|206.416|922.797|4419620
+
+### [ZStandard]
+Level|Threads|InSize|OutSize|Frames|Real|User|Sys|MaxMem
+-----|-------|------|-------|------|----|----|---|------
+1|1|211957760|73853773|102|2.694|2.636|0.47|6212
+1|2|211957760|73853773|102|1.329|2.579|0.55|11968
+1|4|211957760|73853773|102|0.898|3.448|0.84|20412
+2|1|211957760|70521776|102|3.104|3.45|0.46|6236
+2|2|211957760|70521776|102|1.536|2.995|0.56|11536
+2|4|211957760|70521776|102|1.76|4.127|0.96|21444
+3|1|211957760|67263553|51|4.265|4.185|0.62|11096
+3|2|211957760|67263553|51|2.138|4.171|0.68|22728
+3|4|211957760|67263553|51|1.626|6.61|0.101|47928
+4|1|211957760|66324953|51|4.642|4.560|0.62|13988
+4|2|211957760|66324953|51|2.697|5.266|0.83|30332
+4|4|211957760|66324953|51|2.8|7.556|0.120|57040
+5|1|211957760|65188167|34|6.892|6.804|0.60|15100
+5|2|211957760|65188167|34|3.835|7.403|0.71|29996
+5|4|211957760|65188167|34|2.543|9.372|0.76|60748
+6|1|211957760|63279533|34|9.109|9.9|0.62|19364
+6|2|211957760|63279533|34|5.7|9.793|0.75|38620
+6|4|211957760|63279533|34|3.613|13.559|0.98|75180
+7|1|211957760|62305767|34|9.966|9.868|0.56|23924
+7|2|211957760|62305767|34|6.59|11.905|0.77|47140
+7|4|211957760|62305767|34|3.924|14.428|0.106|94540
+8|1|211957760|61248190|26|14.264|14.132|0.72|28380
+8|2|211957760|61248190|26|7.927|15.427|0.71|55348
+8|4|211957760|61248190|26|5.350|19.541|0.129|105360
+9|1|211957760|60694170|26|16.305|16.158|0.76|33568
+9|2|211957760|60694170|26|10.784|20.648|0.104|66752
+9|4|211957760|60694170|26|7.110|26.91|0.162|134808
+10|1|211957760|60429156|26|17.495|17.348|0.71|37652
+10|2|211957760|60429156|26|10.216|19.839|0.81|76244
+10|4|211957760|60429156|26|7.16|26.528|0.146|153452
+11|1|211957760|59939304|26|19.225|19.77|0.67|60724
+11|2|211957760|59939304|26|11.967|23.53|0.103|122344
+11|4|211957760|59939304|26|7.677|29.2|0.150|243604
+12|1|211957760|59543345|26|25.706|25.522|0.71|60268
+12|2|211957760|59543345|26|15.107|29.754|0.84|122516
+12|4|211957760|59543345|26|10.435|39.818|0.162|248232
+13|1|211957760|59289863|26|29.759|29.566|0.76|68568
+13|2|211957760|59289863|26|18.462|36.283|0.100|141032
+13|4|211957760|59289863|26|12.230|46.21|0.154|283432
+14|1|211957760|58948339|26|43.408|43.162|0.82|68892
+14|2|211957760|58948339|26|27.227|54.62|0.103|145440
+14|4|211957760|58948339|26|18.10|69.415|0.162|287508
+15|1|211957760|58249793|13|78.811|78.428|0.77|62744
+15|2|211957760|58249793|13|47.213|92.540|0.137|123976
+15|4|211957760|58249793|13|27.105|100.529|0.144|245424
+16|1|211957760|57640281|13|85.943|85.423|0.156|100200
+16|2|211957760|57640281|13|48.152|93.87|0.200|199128
+16|4|211957760|57640281|13|29.156|106.315|0.237|396972
+17|1|211957760|56962464|13|106.187|105.615|0.96|82804
+17|2|211957760|56962464|13|56.340|110.251|0.114|164984
+17|4|211957760|56962464|13|34.900|127.95|0.160|329420
+
+[LZ4]:https://cyan4973.github.io/lz4/
+[LZ5]:https://github.com/inikep/lz5
+[ZStandard]:http://facebook.github.io/zstd/
+
+# TODO
+
+- threaded decompression for zstd not ready
+- document the header files correctly ... just some first start currently
+
+/TR 2016-09-25
diff --git a/windows/lz4mt.c b/windows/lz4mt.c
new file mode 100644
index 0000000..ebc416d
--- /dev/null
+++ b/windows/lz4mt.c
@@ -0,0 +1,233 @@
+
+/**
+ * Copyright (c) 2016 Tino Reichardt
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ *
+ * You can contact the author at:
+ * - lz5mt source repository: https://github.com/mcmilk/zstdmt
+ */
+
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "lz4mt.h"
+
+/**
+ * program for testing threaded stuff
+ */
+
+static void perror_exit(const char *msg)
+{
+	printf("%s\n", msg);
+	fflush(stdout);
+	exit(1);
+}
+
+static void version(void)
+{
+	printf("lz4mt version 0.1\n");
+
+	exit(0);
+}
+
+static void usage(void)
+{
+	printf("Usage: lz4mt [options] infile outfile\n\n");
+	printf("Otions:\n");
+	printf(" -l N    set level of compression (default: 1)\n");
+	printf(" -t N    set number of (de)compression threads (default: 2)\n");
+	printf(" -i N    set number of iterations for testing (default: 1)\n");
+	printf(" -b N    set input chunksize to N KiB (default: auto)\n");
+	printf(" -c      compress (default mode)\n");
+	printf(" -d      use decompress mode\n");
+	printf(" -h      show usage\n");
+	printf(" -v      show version\n");
+
+	exit(0);
+}
+
+#define MODE_COMPRESS    1
+#define MODE_DECOMPRESS  2
+
+/* for the -i option */
+#define MAX_ITERATIONS   1000
+
+int my_read_loop(void *arg, LZ4MT_Buffer * in)
+{
+	FILE *fd = (FILE *) arg;
+	ssize_t done = fread(in->buf, 1, in->size, fd);
+
+#if 0
+	printf("fread(), todo=%u done=%u\n", in->size, done);
+	fflush(stdout);
+#endif
+
+	in->size = done;
+	return done;
+}
+
+int my_write_loop(void *arg, LZ4MT_Buffer * out)
+{
+	FILE *fd = (FILE *) arg;
+	ssize_t done = fwrite(out->buf, 1, out->size, fd);
+
+#if 0
+	printf("fwrite(), todo=%u done=%u\n", out->size, done);
+	fflush(stdout);
+#endif
+
+	out->size = done;
+	return done;
+}
+
+static void
+do_compress(int threads, int level, int bufsize, FILE * fin, FILE * fout)
+{
+	LZ4MT_RdWr_t rdwr;
+	size_t ret;
+
+	/* 1) setup read/write functions */
+	rdwr.fn_read = my_read_loop;
+	rdwr.fn_write = my_write_loop;
+	rdwr.arg_read = (void *)fin;
+	rdwr.arg_write = (void *)fout;
+
+	/* 2) create compression context */
+	LZ4MT_CCtx *ctx = LZ4MT_createCCtx(threads, level, bufsize);
+	if (!ctx)
+		perror_exit("Allocating ctx failed!");
+
+	/* 3) compress */
+	ret = LZ4MT_CompressCCtx(ctx, &rdwr);
+	if (LZ4MT_isError(ret))
+		perror_exit(LZ4MT_getErrorString(ret));
+
+	/* 5) free resources */
+	LZ4MT_freeCCtx(ctx);
+}
+
+static void do_decompress(int threads, int bufsize, FILE * fin, FILE * fout)
+{
+	LZ4MT_RdWr_t rdwr;
+	size_t ret;
+
+	/* 1) setup read/write functions */
+	rdwr.fn_read = my_read_loop;
+	rdwr.fn_write = my_write_loop;
+	rdwr.arg_read = (void *)fin;
+	rdwr.arg_write = (void *)fout;
+
+	/* 2) create compression context */
+	LZ4MT_DCtx *ctx = LZ4MT_createDCtx(threads, bufsize);
+	if (!ctx)
+		perror_exit("Allocating ctx failed!");
+
+	/* 3) compress */
+	ret = LZ4MT_DecompressDCtx(ctx, &rdwr);
+	if (LZ4MT_isError(ret))
+		perror_exit(LZ4MT_getErrorString(ret));
+
+	/* 4) free resources */
+	LZ4MT_freeDCtx(ctx);
+}
+
+int main(int argc, char **argv)
+{
+	/* default options: */
+	int opt, opt_threads = 2, opt_level = 1;
+	int opt_mode = MODE_COMPRESS;
+	int opt_iterations = 1, opt_bufsize = 0;
+	FILE *fin, *fout;
+
+	while ((opt = getopt(argc, argv, "vhHl:t:i:dcb:")) != -1) {
+		switch (opt) {
+		case 'v':	/* version */
+			version();
+		case 'h':	/* help */
+			usage();
+		case 'l':	/* level */
+			opt_level = atoi(optarg);
+			break;
+		case 't':	/* threads */
+			opt_threads = atoi(optarg);
+			break;
+		case 'i':	/* iterations */
+			opt_iterations = atoi(optarg);
+			break;
+		case 'd':	/* mode = decompress */
+			opt_mode = MODE_DECOMPRESS;
+			break;
+		case 'c':	/* mode = compress */
+			opt_mode = MODE_COMPRESS;
+			break;
+		case 'b':	/* input buffer in MB */
+			opt_bufsize = atoi(optarg);
+			break;
+		default:
+			usage();
+		}
+	}
+
+	/* prog [options] infile outfile */
+	if (argc != optind + 2)
+		usage();
+
+	/**
+	 * check parameters
+	 */
+
+	/* opt_level = 1..22 */
+	if (opt_level < 1)
+		opt_level = 1;
+	else if (opt_level > LZ4MT_LEVEL_MAX)
+		opt_level = LZ4MT_LEVEL_MAX;
+
+	/* opt_threads = 1..LZ4MT_THREAD_MAX */
+	if (opt_threads < 1)
+		opt_threads = 1;
+	else if (opt_threads > LZ4MT_THREAD_MAX)
+		opt_threads = LZ4MT_THREAD_MAX;
+
+	/* opt_iterations = 1..MAX_ITERATIONS */
+	if (opt_iterations < 1)
+		opt_iterations = 1;
+	else if (opt_iterations > MAX_ITERATIONS)
+		opt_iterations = MAX_ITERATIONS;
+
+	/* opt_bufsize is in KiB */
+	if (opt_bufsize > 0)
+		opt_bufsize *= 1024;
+
+	/* file names */
+	fin = fopen(argv[optind], "rb");
+	if (fin == NULL)
+		perror_exit("Opening infile failed");
+
+	fout = fopen(argv[optind + 1], "wb");
+	if (fout == NULL)
+		perror_exit("Opening outfile failed");
+
+	for (;;) {
+		if (opt_mode == MODE_COMPRESS) {
+			do_compress(opt_threads, opt_level, opt_bufsize, fin,
+				    fout);
+		} else {
+			do_decompress(opt_threads, opt_bufsize, fin, fout);
+		}
+
+		opt_iterations--;
+		if (opt_iterations == 0)
+			break;
+
+		fseek(fin, 0, SEEK_SET);
+		fseek(fout, 0, SEEK_SET);
+	}
+
+	/* exit should flush stdout */
+	exit(0);
+}
diff --git a/windows/lz5mt.c b/windows/lz5mt.c
new file mode 100644
index 0000000..7cc9ae2
--- /dev/null
+++ b/windows/lz5mt.c
@@ -0,0 +1,233 @@
+
+/**
+ * Copyright (c) 2016 Tino Reichardt
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ *
+ * You can contact the author at:
+ * - lz5mt source repository: https://github.com/mcmilk/zstdmt
+ */
+
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "lz5mt.h"
+
+/**
+ * program for testing threaded stuff
+ */
+
+static void perror_exit(const char *msg)
+{
+	printf("%s\n", msg);
+	fflush(stdout);
+	exit(1);
+}
+
+static void version(void)
+{
+	printf("lz5mt version 0.1\n");
+
+	exit(0);
+}
+
+static void usage(void)
+{
+	printf("Usage: lz5mt [options] infile outfile\n\n");
+	printf("Otions:\n");
+	printf(" -l N    set level of compression (default: 1)\n");
+	printf(" -t N    set number of (de)compression threads (default: 2)\n");
+	printf(" -i N    set number of iterations for testing (default: 1)\n");
+	printf(" -b N    set input chunksize to N KiB (default: auto)\n");
+	printf(" -c      compress (default mode)\n");
+	printf(" -d      use decompress mode\n");
+	printf(" -h      show usage\n");
+	printf(" -v      show version\n");
+
+	exit(0);
+}
+
+#define MODE_COMPRESS    1
+#define MODE_DECOMPRESS  2
+
+/* for the -i option */
+#define MAX_ITERATIONS   1000
+
+int my_read_loop(void *arg, LZ5MT_Buffer * in)
+{
+	FILE *fd = (FILE *) arg;
+	ssize_t done = fread(in->buf, 1, in->size, fd);
+
+#if 0
+	printf("fread(), todo=%u done=%u\n", in->size, done);
+	fflush(stdout);
+#endif
+
+	in->size = done;
+	return done;
+}
+
+int my_write_loop(void *arg, LZ5MT_Buffer * out)
+{
+	FILE *fd = (FILE *) arg;
+	ssize_t done = fwrite(out->buf, 1, out->size, fd);
+
+#if 0
+	printf("fwrite(), todo=%u done=%u\n", out->size, done);
+	fflush(stdout);
+#endif
+
+	out->size = done;
+	return done;
+}
+
+static void
+do_compress(int threads, int level, int bufsize, FILE * fin, FILE * fout)
+{
+	LZ5MT_RdWr_t rdwr;
+	size_t ret;
+
+	/* 1) setup read/write functions */
+	rdwr.fn_read = my_read_loop;
+	rdwr.fn_write = my_write_loop;
+	rdwr.arg_read = (void *)fin;
+	rdwr.arg_write = (void *)fout;
+
+	/* 2) create compression context */
+	LZ5MT_CCtx *ctx = LZ5MT_createCCtx(threads, level, bufsize);
+	if (!ctx)
+		perror_exit("Allocating ctx failed!");
+
+	/* 3) compress */
+	ret = LZ5MT_CompressCCtx(ctx, &rdwr);
+	if (LZ5MT_isError(ret))
+		perror_exit(LZ5MT_getErrorString(ret));
+
+	/* 5) free resources */
+	LZ5MT_freeCCtx(ctx);
+}
+
+static void do_decompress(int threads, int bufsize, FILE * fin, FILE * fout)
+{
+	LZ5MT_RdWr_t rdwr;
+	size_t ret;
+
+	/* 1) setup read/write functions */
+	rdwr.fn_read = my_read_loop;
+	rdwr.fn_write = my_write_loop;
+	rdwr.arg_read = (void *)fin;
+	rdwr.arg_write = (void *)fout;
+
+	/* 2) create compression context */
+	LZ5MT_DCtx *ctx = LZ5MT_createDCtx(threads, bufsize);
+	if (!ctx)
+		perror_exit("Allocating ctx failed!");
+
+	/* 3) compress */
+	ret = LZ5MT_DecompressDCtx(ctx, &rdwr);
+	if (LZ5MT_isError(ret))
+		perror_exit(LZ5MT_getErrorString(ret));
+
+	/* 4) free resources */
+	LZ5MT_freeDCtx(ctx);
+}
+
+int main(int argc, char **argv)
+{
+	/* default options: */
+	int opt, opt_threads = 2, opt_level = 1;
+	int opt_mode = MODE_COMPRESS;
+	int opt_iterations = 1, opt_bufsize = 0;
+	FILE *fin, *fout;
+
+	while ((opt = getopt(argc, argv, "vhHl:t:i:dcb:")) != -1) {
+		switch (opt) {
+		case 'v':	/* version */
+			version();
+		case 'h':	/* help */
+			usage();
+		case 'l':	/* level */
+			opt_level = atoi(optarg);
+			break;
+		case 't':	/* threads */
+			opt_threads = atoi(optarg);
+			break;
+		case 'i':	/* iterations */
+			opt_iterations = atoi(optarg);
+			break;
+		case 'd':	/* mode = decompress */
+			opt_mode = MODE_DECOMPRESS;
+			break;
+		case 'c':	/* mode = compress */
+			opt_mode = MODE_COMPRESS;
+			break;
+		case 'b':	/* input buffer in MB */
+			opt_bufsize = atoi(optarg);
+			break;
+		default:
+			usage();
+		}
+	}
+
+	/* prog [options] infile outfile */
+	if (argc != optind + 2)
+		usage();
+
+	/**
+	 * check parameters
+	 */
+
+	/* opt_level = 1..22 */
+	if (opt_level < 1)
+		opt_level = 1;
+	else if (opt_level > LZ5MT_LEVEL_MAX)
+		opt_level = LZ5MT_LEVEL_MAX;
+
+	/* opt_threads = 1..LZ5MT_THREAD_MAX */
+	if (opt_threads < 1)
+		opt_threads = 1;
+	else if (opt_threads > LZ5MT_THREAD_MAX)
+		opt_threads = LZ5MT_THREAD_MAX;
+
+	/* opt_iterations = 1..MAX_ITERATIONS */
+	if (opt_iterations < 1)
+		opt_iterations = 1;
+	else if (opt_iterations > MAX_ITERATIONS)
+		opt_iterations = MAX_ITERATIONS;
+
+	/* opt_bufsize is in KiB */
+	if (opt_bufsize > 0)
+		opt_bufsize *= 1024;
+
+	/* file names */
+	fin = fopen(argv[optind], "rb");
+	if (fin == NULL)
+		perror_exit("Opening infile failed");
+
+	fout = fopen(argv[optind + 1], "wb");
+	if (fout == NULL)
+		perror_exit("Opening outfile failed");
+
+	for (;;) {
+		if (opt_mode == MODE_COMPRESS) {
+			do_compress(opt_threads, opt_level, opt_bufsize, fin,
+				    fout);
+		} else {
+			do_decompress(opt_threads, opt_bufsize, fin, fout);
+		}
+
+		opt_iterations--;
+		if (opt_iterations == 0)
+			break;
+
+		fseek(fin, 0, SEEK_SET);
+		fseek(fout, 0, SEEK_SET);
+	}
+
+	/* exit should flush stdout */
+	exit(0);
+}
diff --git a/windows/zstdmt.c b/windows/zstdmt.c
new file mode 100644
index 0000000..013ac18
--- /dev/null
+++ b/windows/zstdmt.c
@@ -0,0 +1,233 @@
+
+/**
+ * Copyright (c) 2016 Tino Reichardt
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ *
+ * You can contact the author at:
+ * - zstdmt source repository: https://github.com/mcmilk/zstdmt
+ */
+
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "zstdmt.h"
+
+/**
+ * program for testing threaded stuff on zstd
+ */
+
+static void perror_exit(const char *msg)
+{
+	printf("%s\n", msg);
+	fflush(stdout);
+	exit(1);
+}
+
+static void version(void)
+{
+	printf("zstdmt version 0.1\n");
+
+	exit(0);
+}
+
+static void usage(void)
+{
+	printf("Usage: zstdmt [options] infile outfile\n\n");
+	printf("Otions:\n");
+	printf(" -l N    set level of compression (default: 3)\n");
+	printf(" -t N    set number of (de)compression threads (default: 2)\n");
+	printf(" -i N    set number of iterations for testing (default: 1)\n");
+	printf(" -b N    set input chunksize to N KiB (default: auto)\n");
+	printf(" -c      compress (default mode)\n");
+	printf(" -d      use decompress mode\n");
+	printf(" -h      show usage\n");
+	printf(" -v      show version\n");
+
+	exit(0);
+}
+
+#define MODE_COMPRESS    1
+#define MODE_DECOMPRESS  2
+
+/* for the -i option */
+#define MAX_ITERATIONS   1000
+
+int my_read_loop(void *arg, ZSTDMT_Buffer * in)
+{
+	FILE *fd = (FILE *) arg;
+	ssize_t done = fread(in->buf, 1, in->size, fd);
+
+#if 0
+	printf("fread(), todo=%u done=%u\n", in->size, done);
+	fflush(stdout);
+#endif
+
+	in->size = done;
+	return done;
+}
+
+int my_write_loop(void *arg, ZSTDMT_Buffer * out)
+{
+	FILE *fd = (FILE *) arg;
+	ssize_t done = fwrite(out->buf, 1, out->size, fd);
+
+#if 0
+	printf("fwrite(), todo=%u done=%u\n", out->size, done);
+	fflush(stdout);
+#endif
+
+	out->size = done;
+	return done;
+}
+
+static void
+do_compress(int threads, int level, int bufsize, FILE * fin, FILE * fout)
+{
+	ZSTDMT_RdWr_t rdwr;
+	size_t ret;
+
+	/* 1) setup read/write functions */
+	rdwr.fn_read = my_read_loop;
+	rdwr.fn_write = my_write_loop;
+	rdwr.arg_read = (void *)fin;
+	rdwr.arg_write = (void *)fout;
+
+	/* 2) create compression context */
+	ZSTDMT_CCtx *ctx = ZSTDMT_createCCtx(threads, level, bufsize);
+	if (!ctx)
+		perror_exit("Allocating ctx failed!");
+
+	/* 3) compress */
+	ret = ZSTDMT_CompressCCtx(ctx, &rdwr);
+	if (ZSTDMT_isError(ret))
+		perror_exit(ZSTDMT_getErrorString(ret));
+
+	/* 5) free resources */
+	ZSTDMT_freeCCtx(ctx);
+}
+
+static void do_decompress(int threads, int bufsize, FILE * fin, FILE * fout)
+{
+	ZSTDMT_RdWr_t rdwr;
+	size_t ret;
+
+	/* 1) setup read/write functions */
+	rdwr.fn_read = my_read_loop;
+	rdwr.fn_write = my_write_loop;
+	rdwr.arg_read = (void *)fin;
+	rdwr.arg_write = (void *)fout;
+
+	/* 2) create compression context */
+	ZSTDMT_DCtx *ctx = ZSTDMT_createDCtx(threads, bufsize);
+	if (!ctx)
+		perror_exit("Allocating ctx failed!");
+
+	/* 3) compress */
+	ret = ZSTDMT_DecompressDCtx(ctx, &rdwr);
+	if (ZSTDMT_isError(ret))
+		perror_exit(ZSTDMT_getErrorString(ret));
+
+	/* 4) free resources */
+	ZSTDMT_freeDCtx(ctx);
+}
+
+int main(int argc, char **argv)
+{
+	/* default options: */
+	int opt, opt_threads = 2, opt_level = 3;
+	int opt_mode = MODE_COMPRESS;
+	int opt_iterations = 1, opt_bufsize = 0;
+	FILE *fin, *fout;
+
+	while ((opt = getopt(argc, argv, "vhHl:t:i:dcb:")) != -1) {
+		switch (opt) {
+		case 'v':	/* version */
+			version();
+		case 'h':	/* help */
+			usage();
+		case 'l':	/* level */
+			opt_level = atoi(optarg);
+			break;
+		case 't':	/* threads */
+			opt_threads = atoi(optarg);
+			break;
+		case 'i':	/* iterations */
+			opt_iterations = atoi(optarg);
+			break;
+		case 'd':	/* mode = decompress */
+			opt_mode = MODE_DECOMPRESS;
+			break;
+		case 'c':	/* mode = compress */
+			opt_mode = MODE_COMPRESS;
+			break;
+		case 'b':	/* input buffer in MB */
+			opt_bufsize = atoi(optarg);
+			break;
+		default:
+			usage();
+		}
+	}
+
+	/* prog [options] infile outfile */
+	if (argc != optind + 2)
+		usage();
+
+	/**
+	 * check parameters
+	 */
+
+	/* opt_level = 1..22 */
+	if (opt_level < 1)
+		opt_level = 1;
+	else if (opt_level > ZSTDMT_LEVEL_MAX)
+		opt_level = ZSTDMT_LEVEL_MAX;
+
+	/* opt_threads = 1..ZSTDMT_THREAD_MAX */
+	if (opt_threads < 1)
+		opt_threads = 1;
+	else if (opt_threads > ZSTDMT_THREAD_MAX)
+		opt_threads = ZSTDMT_THREAD_MAX;
+
+	/* opt_iterations = 1..MAX_ITERATIONS */
+	if (opt_iterations < 1)
+		opt_iterations = 1;
+	else if (opt_iterations > MAX_ITERATIONS)
+		opt_iterations = MAX_ITERATIONS;
+
+	/* opt_bufsize is in KiB */
+	if (opt_bufsize > 0)
+		opt_bufsize *= 1024;
+
+	/* file names */
+	fin = fopen(argv[optind], "rb");
+	if (fin == NULL)
+		perror_exit("Opening infile failed");
+
+	fout = fopen(argv[optind + 1], "wb");
+	if (fout == NULL)
+		perror_exit("Opening outfile failed");
+
+	for (;;) {
+		if (opt_mode == MODE_COMPRESS) {
+			do_compress(opt_threads, opt_level, opt_bufsize, fin,
+				    fout);
+		} else {
+			do_decompress(opt_threads, opt_bufsize, fin, fout);
+		}
+
+		opt_iterations--;
+		if (opt_iterations == 0)
+			break;
+
+		fseek(fin, 0, SEEK_SET);
+		fseek(fout, 0, SEEK_SET);
+	}
+
+	/* exit should flush stdout */
+	exit(0);
+}