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slightly increased buffer pool, to cover normal "full load" scenarios

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2 buffers per active worker
+ 1 buffer for input loading
+ 1 buffer for "next input" when submitting current one
+ 1 buffer stuck in queue
This commit is contained in:
Yann Collet 2017-07-12 14:23:34 -07:00
parent 052a95f77c
commit 8ef666c325
2 changed files with 3 additions and 2 deletions
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3
NEWS
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@ -1,6 +1,7 @@
v1.3.1
perf: substantially decreased memory usage in Multi-threading mode, thanks to reports by Tino Reichardt
build: fix Visual compilation for non x86/x64 targets, reported by Greg Slazinski (#718)
API exp : breaking change : ZSTD_getframeHeader()
API exp : breaking change : ZSTD_getframeHeader() provides more information
v1.3.0
cli : new : `--list` command, by Paul Cruz

2
lib/compress/zstdmt_compress.c
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@ -93,7 +93,7 @@ typedef struct ZSTDMT_bufferPool_s {
static ZSTDMT_bufferPool* ZSTDMT_createBufferPool(unsigned nbThreads, ZSTD_customMem cMem)
{
unsigned const maxNbBuffers = 2*nbThreads + 2;
unsigned const maxNbBuffers = 2*nbThreads + 3;
ZSTDMT_bufferPool* const bufPool = (ZSTDMT_bufferPool*)ZSTD_calloc(
sizeof(ZSTDMT_bufferPool) + (maxNbBuffers-1) * sizeof(buffer_t), cMem);
if (bufPool==NULL) return NULL;