<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body style="overflow-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><br id="lineBreakAtBeginningOfMessage"><div><br><blockquote type="cite"><div>On 28 May 2025, at 00:52, Stuff Received <stuff@riddermarkfarm.ca> wrote:</div><br class="Apple-interchange-newline"><div><meta charset="UTF-8"><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;">Everyone forgets about embedded systems. When I was still noodling, there were several RTOSes that were POSIX-certified (QNX and VxWorks, amongst others). Of course, these ran on the higher end 32-bit MCUs, of which dozens exist in modern cars. That medical stuff probably conforms to IEC 62304, regardless of its internals.</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;">S.</span></div></blockquote><br></div><div>related:</div><div><br></div><div><span class="Apple-tab-span" style="white-space:pre"> </span>anyone on list know where all the ARM ‘CPUs’ (cores or multi-core chips?) get used?</div><div><br></div><div>ARM, as the licenser, declared it licensed 250B “CPUs” in 2024.</div><div><br></div><div>We know 1-2B go into smartphones, perhaps another 250M into PC-like devices (250M is approx PC market)</div><div><br></div><div>Where do the rest go?</div><div><br></div><div>I’ve read some HDD’s use ARM processors, so a few billion there perhaps.</div><br><div>
<div style="color: rgb(0, 0, 0); letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">--<br>Steve Jenkin, IT Systems and Design <br>0412 786 915 (+61 412 786 915)<br>PO Box 38, Kippax ACT 2615, AUSTRALIA<br><br>mailto:sjenkin@canb.auug.org.au http://members.tip.net.au/~sjenkin</div>
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