From: Yann Collet <yann.collet.73@gmail.com>
Date: Fri, 27 Nov 2015 16:52:57 +0000 (+0100)
Subject: large file support
X-Git-Tag: zstd-0.4.0^2~8
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=49cc9b7d03ecfa5542d70abb8b0696f10960023b;p=thirdparty%2Fzstd.git

large file support
---

diff --git a/programs/paramgrill.c b/programs/paramgrill.c
index e8ca35cfa..62b2dcc24 100644
--- a/programs/paramgrill.c
+++ b/programs/paramgrill.c
@@ -93,12 +93,12 @@
 
 #define KB *(1<<10)
 #define MB *(1<<20)
+#define GB *(1ULL<<30)
 
 #define NBLOOPS    2
 #define TIMELOOP   2000
 
-#define KNUTH      2654435761U
-#define MAX_MEM    (1984 MB)
+static const size_t maxMemory = (sizeof(size_t)==4)  ?  (2 GB - 64 MB) : (size_t)(1ULL << ((sizeof(size_t)*8)-31));
 #define DEFAULT_CHUNKSIZE   (4<<20)
 
 #define COMPRESSIBILITY_DEFAULT 0.50
@@ -184,7 +184,7 @@ static size_t BMK_findMaxMem(U64 requiredMem)
     BYTE* testmem=NULL;
 
     requiredMem = (((requiredMem >> 26) + 1) << 26);
-    if (requiredMem > MAX_MEM) requiredMem = MAX_MEM;
+    if (requiredMem > maxMemory) requiredMem = maxMemory;
 
     requiredMem += 2*step;
     while (!testmem)