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SIMD is particularly applicable to common tasks such as adjusting the contrast in a digital image or adjusting the volume of digital audio.
Most modern CPU designs include SIMD instructions to improve the performance of multimedia use.
Intel responded in 1999 by introducing the all-new SSE system.
For example, each of 65,536 single-bit processors in a Thinking Machines CM-2 would execute the same instruction at the same time, allowing, for instance, to logically combine 65,536 pairs of bits at a time, using a hypercube-connected network or processor-dedicated RAM to find its operands.
Supercomputing moved away from the SIMD approach when inexpensive scalar MIMD approaches based on commodity processors such as the Intel i860 XP became more powerful, and interest in SIMD waned.
Sun Microsystems introduced SIMD integer instructions in its "VIS" instruction set extensions in 1995, in its Ultra SPARC I microprocessor. The first widely deployed desktop SIMD was with Intel's MMX extensions to the x86 architecture in 1996.
This sparked the introduction of the much more powerful Alti Vec system in the Motorola Power PC's and IBM's POWER systems.
It is widely assumed the Spectre and Meltdown patches led systems running on Intel Broadwell and Haswell chips to reboot. 11, the company only admitted that customers saw "higher system reboots after applying firmware updates." So far, Intel has been careful to avoid mentioning the Spectre and Meltdown patches in connection to the reboot issues with Broadwell and Haswell chips.