I've been experimenting with code generation in DMD for the AVX instruction set,
in particular the replacement of SSE 16 byte vectors with AVX 16 byte vectors
(no, not the 32 byte ones!).
In my experiments on my machines, two of them support the AVX instruction set,
one of which is my Mac Mini,
On Tuesday, 6 December 2016 at 09:12:16 UTC, Walter Bright wrote:
My Mac Mini sez:
~> sysctl -a | grep machdep.cpu.features
machdep.cpu.features: FPU VME DE PSE TSC MSR PAE MCE CX8 APIC
SEP MTRR PGE
MCA CMOV PAT PSE36 CLFSH DS ACPI MMX FXSR SSE SSE2 SS HTT TM
PBE SSE3
PCLMULQDQ DTES64
On Tuesday, 6 December 2016 at 09:12:16 UTC, Walter Bright wrote:
I've been experimenting with code generation in DMD for the AVX
instruction set, in particular the replacement of SSE 16 byte
vectors with AVX 16 byte vectors (no, not the 32 byte ones!).
In my experiments on my machines, two of
On 12/6/2016 1:31 AM, Johan Engelen wrote:
AVX2 is not listed in machdep.cpu.features, at least not on my machine; you need
to look in the machdep.cpu.leaf7_features list.
https://csharpmulticore.blogspot.nl/2014/12/how-to-check-intel-avx2-support-on-mac-os-x-haswell.html
Bummer. Seems like I
On Tuesday, 6 December 2016 at 09:12:16 UTC, Walter Bright wrote:
This leads to the question is AVX support a minimum
configuration for Macs? Can AVX instruction generation become
the default for OSX?
No opinion. My whole segment runs on SSE.
Zero interest in AVX here, because optimizing fo
On 12/6/2016 5:11 AM, Guillaume Piolat wrote:
No opinion. My whole segment runs on SSE.
Zero interest in AVX here, because optimizing for the users which already have
the fastest machines is not going to make a difference while optimizing for the
lower end does. Hence it's critically important t
On 12/06/2016 08:11 AM, Guillaume Piolat wrote:
optimizing for the users which
already have the fastest machines is not going to make a difference
while optimizing for the lower end does.
Very wise. "Latest is greatest" has become such a sacred cow in the tech
sector that far too few develope
On Tuesday, 6 December 2016 at 16:00:43 UTC, Nick Sabalausky
wrote:
"Latest is greatest" has become such a sacred cow in the tech
sector that far too few developers these days understand basic
common-sense logic like that.
I guess it's all about if you control the target hardware. It
would
On Tuesday, 6 December 2016 at 14:28:37 UTC, Walter Bright wrote:
dmd generates SSE code for OSX 32.
Unfortunately Windows + 32-bit is disproportionately important
for my line of work.
