H Rick,
My machine is running RHEL 6.6 with 48 GB RAM. I watched the memeory load on system monitor when I executed the command. There appeared to be a healthy saftey margin.
If I set AFNI_NOMMAP = YES, 3dDeconvolve crashes at the same place.
++ Number of time points: 121546 (no censoring)
+ Number of parameters: 6604 [4 baseline ; 6600 signal]
++ total shared memory needed = 1,689,856 bytes (about 1.7 million [mega])
++ current memory malloc-ated = 3,257,587,094 bytes (about 3.3 billion [giga])
++ mmap() memory allocated: 1,689,856 bytes (about 1.7 million [mega])
++ Memory required for output bricks = 1,689,856 bytes (about 1.7 million [mega])
*** MCW_malloc pre-corruption! serial=514770 size=486184 source=3dDeconvolve.c line#9033 <- calculate_results <- 3dDeconvolve main
*** MCW_malloc post-corruption! serial=514770 size=486184 source=3dDeconvolve.c line#9033
<- calculate_results <- 3dDeconvolve main
*** glibc detected *** 3dDeconvolve: munmap_chunk(): invalid pointer: 0x00000003c54910e0 ***
