>>The x86 has a strict memory model … The others have weak memory models > Still x86-only. SPARC supported (eventually exclusively) TSO well before x86 commit

>>The x86 has a strict memory model … The others have weak memory models > Still x86-only. SPARC supported (eventually exclusively) TSO well before x86 committed to it. For a while Intel claimed to support some form of Processor Ordering which I understand is slightly weaker than TSO, although no Intel CPU ever took advantage of the weakened constraints.