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Set compression level for zstd to level 10 #396

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Nov 8, 2023
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Set compression level for zstd to level 10 #396

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11 changes: 10 additions & 1 deletion src/compression_wrapper.c
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Original file line number Diff line number Diff line change
Expand Up @@ -118,7 +118,16 @@ typedef struct {
unsigned char buffer[XZ_BUFFER_SIZE];
} XzFile;

#define CR_CW_ZSTD_COMPRESSION_LEVEL 9

/** level 10 or 11 are good choices for the XML files that we generate.
* level 10 requires ~ 18% more time with 1% saving over level 9
* level 11 requires ~ 50% more time with 1.5% saving over level 9
* level 12 requires ~ 65% more time with 1.5% saving over level 9
* level 13 requires ~ 260% more time with 1.55% saving over level 9
*/

#define CR_CW_ZSTD_COMPRESSION_LEVEL 10

typedef struct {
void *buffer;
size_t buffer_size;
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