Lightroom on Apple's M1 Max Mac: Holy mackerel, this is fast

Lightroom on Apple's M1 Max Mac: Holy mackerel, this is fast

I didn't really need to upgrade to an M1 Max-powered MacBook Pro. After spending hours using Adobe's Lightroom photo editing and cataloging software, boy, am I glad I did. 

The speed of the new MacBook Pro knocked my socks off. The battery life was similarly impressive. And it's great having an SD card reader back for importing photos and videos from my cameras.

The improvements, validated with by testing some common Lightroom chores that caused my older Intel-powered Mac to crawl, are thanks to Apple's new chip and Adobe optimization to take advantage of it. Apple is halfway through a two-year process of replacing Intel processors with its own M-series designs. The chips are beefier cousins to the A-series chips in Apple's iPhones and iPads.

If you're leery about the switch, come on in. The water's fine.

Among the advantages the M1 Max and its similar but less graphically powerful M1 Pro sibling deliver: built-in circuitry for artificial intelligence tasks, a unified memory architecture, and a beefy built-in graphics processing unit. The chips balance power with battery life by combining high-speed and high-efficiency cores, resulting in more hours of use per charge. The chips are made for Apple by Taiwan Semiconductor Manufacturing Co. (TSMC).

My photography labor of love

For the record, my new MacBook Pro sports 32GB of memory, a midrange configuration for the 16-inch models and twice what's in my two-year-old MacBook Pro using a six-core Intel Core i7 processor. The extra memory is a $400 addition, but I judged it worthwhile to accommodate photo and video editing plus my usual burden of a few dozen browser tabs. (Lightroom is happy to grab as much of that memory as it can.)

To be clear: I was trying to decide whether my upgrade was justified, not evaluate how the latest Intel-based machines measure up. So the speed tests are relevant to me and likely anyone else wondering whether to shell out $3,000 or more. But they aren't meant to be definitive.

From the moment I set up the machine, the performance boost was obvious. Loading websites, scrolling and unlocking with Touch ID were all noticeably faster. Everything was refreshingly snappy.

And for a collection of Lightroom tests I ran, clocking common operations by stopwatch, the speedup factor on a collection of tests I ran is between 2x and 5x.

My new MacBook Pro with Apple's M1 Max processor handily outpaced the two-year-old Intel-based machine on a variety of common computing chores in my Lightroom photo editing. Each result is the average of three tests I clocked with a stopwatch.

Stephen Shankland/CNET

The main reason I justified buying a $3,500 laptop, which came to $2,150 with a $1,350 rebate for trading in my previous Intel-powered machine, was because glowing reviews indicated the new MacBook Pro would be better at heavy-duty tasks like photo editing.

I take a lot of photos. My Lightroom catalog has more than 129,000 shots and my Flickr archive has upwards of 30,000. I use photography as a creative outlet, a journal of my family's life and a tool that encourages me to learn about everything from insects to architecture. I take a lot of photos for work: I've documented refugees, nudibranchs and close-up details of processors.

It's a labor of love, and I do mean labor. I usually take 30-megapixel photos in raw image formats with my Canon 5D Mark IV. I also shoot hundreds of raw photos with a Google Pixel and an Apple iPhone. I also try out new camera products like the 45-megapixel Canon R5 and the 151-megapixel Phase One IQ4. That means I have a lot of photos to manage, many of them in processor-taxing sizes.

Processing photos is a lot of work for computers. Turning raw photo data into a shot I can see on my screen is a constant computational bottleneck as the computer renders new photos or rerenders them with editing changes. I quickly max out my memory with editing tasks such as exposure adjustments and tonal changes. I often sit impatiently watching progress bars crawl along as I merge multiple photos into a single panorama or high dynamic range (HDR) image or increase photo size with Adobe's Super Resolution feature.

Lightroom on the M1 Max MacBook

So how much faster is the new machine? Way faster. I performed five tests of routine but taxing Lightroom actions, running them three times on each machine and taking the average time. That might not be statistically rigorous for a scientific study, but it did clearly show I wasn't imagining the speedup.

Merging six 30-megapixel shots into a panorama was 4.8x faster on the new MacBook Pro, taking an average of 14 seconds vs. 67 for the Intel machine. That was the biggest speedup in my tests. The smallest was merging three 30-megapixel shots into an HDR photo, which took 22 seconds on the Intel machine and 12 seconds on the M1 Max, a 1.9x speedup.

Lightroom still struggles to accommodate Phase One's enormous 151-megapixel raw files, but the new Mac handled it much better than my older machine. A panorama merge of two shots took an excruciating 109 seconds on the Intel Mac; it was 3.2x faster on the M1 Max MacBook Pro at 34 seconds. Interpreting the raw files to generate full-resolution previews -- the most common delay I experience in Lightroom -- was 2.5x faster on the new machine.

Adobe's Super Resolution, a machine learning tool that benefits from the M1 Max's AI accelerator module, was 2.4x faster on the M1 Max Mac, an average of 9 seconds compared with 22 on the Intel Mac.

Adobe has updated Lightroom to take advantage of the M1 chips' unified memory architecture, which offers a single pool of memory that the central processing cores and graphics processing cores both can take advantage of. That means data doesn't have to be laboriously copied back and forth to separate CPU and GPU memory regions, liberating programmers to use whichever core is fastest for a particular job. Adobe also taps into the M1's Neural Engine cores for AI acceleration, said Sharad Mangalick, Adobe's photo product manager.

Lightroom photo editors also should see "noticeable improvements" in speed and responsiveness when importing and exporting photos, scrolling through the photo library, editing, and merging shots into HDR and panorama images, Mangalick said.

Indeed, I found many tasks in Lightroom -- launching, scrolling, zooming, importing and exporting -- are snappier on the new machine. On a Thanksgiving excursion on which I shot a couple hundred photos, battery life was good enough that it wasn't until the third day that I had to plug in the new MacBook Pro.

I'm a satisfied customer.

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Why your blood type matters when it comes to search why your blood type matters when it comes to meaning why your blood type matters when it comes to loving why your blood pressure rises why your blood pressure goes up why your blood pressure drops reasons why your period is late that s why your shoes raggedy why your stomach growls

Why Your Blood Type Matters When It Comes to Heart Health

Why Your Blood Type Matters When It Comes to Heart Health

What if we told you that your blood type could potentially tip the scale when it comes to how healthy your heart is?

You wouldn't see it on the surface, but coursing through your veins every second of every day are tiny variations that categorize your blood into one of these groups: A+, A-, B+, B-, O+, O-, AB+ and AB-. Unless you've donated blood, were given a transfusion or found out during pregnancy, maybe you've never thought twice about your blood type and what it means for your health.

Knowing your blood type not only can be crucial in an emergency, but it can also offer some important insight into your health. Ongoing research into blood type suggests it may matter more than we give it credit for -- at least when assessing risk for certain health conditions, especially heart disease. These invisible differences in the blood may give some people an edge at staving off cardiovascular problems, and may leave others more susceptible.

What does blood type mean, and how are they different?

The letters A, B and O represent various forms of the ABO gene, which program our blood cells differently to form the different blood groups. If you have type AB blood, for example, your body is programmed to produce A and B antigens on red blood cells. A person with type O blood doesn't produce any antigens.  

Blood is said to be "positive" or "negative" based on whether there are proteins on the red blood cells. If your blood has proteins, you're Rhesus, or Rh, positive. 

The ABO system is the best known way of classifying blood types.

Ekachai Lohacamonchai/EyeEm/Getty Images

People with type O- blood are considered "universal donors" because their blood doesn't have any antigens or proteins, meaning anybody's body will be able to accept it in an emergency.

But why are there different blood types? Researchers don't fully know, but factors such as where someone's ancestors are from and past infections which spurred protective mutations in the blood may have contributed to the diversity, according to Dr. Douglas Guggenheim, a hematologist with Penn Medicine. People with type O blood may get sicker with cholera, for example, while people with type A or B blood may be more likely to experience blood clotting issues. While our blood can't keep up with the different biological or viral threats going around in real time, it may reflect what's happened in the past.

"In short, it's almost like the body has evolved around its environment in order to protect it as best as possible," Guggenheim said.

People with type O blood may have a lower risk of cardiovascular events.

Arctic-Images/Getty Images

The blood types most at risk for heart disease 

People with type A, type B or type AB blood are more likely than people with type O to have a heart attack or experience heart failure, according to the American Heart Association. 

While the increased risk is small (types A or B had a combined 8% higher risk of heart attack and 10% increased risk of heart failure, according to one large study) the difference in blood clotting rates is much higher, per the AHA. People in the same study with type A and B blood were 51% more likely to develop deep vein thrombosis and 47% more likely to develop a pulmonary embolism, which are severe blood clotting disorders which can also increase the risk of heart failure.

A reason for this increased risk, according to Guggenheim, might have to do with inflammation that happens in the bodies of people with type A, type B or type AB blood. The proteins present in type A and type B blood may cause more "blockage" or "thickening" in the veins and arteries, leading to an increased risk of clotting and heart disease. 

Guggenheim also thinks this may describe the anecdotal (but currently inconclusive) decrease in risk of severe COVID-19 disease in people with type O blood, which has inspired research. Severe COVID-19 disease often causes heart problems, blood clotting and other cardiovascular issues.

There are four main blood groups (types of blood): A, B, AB and O. 

Peter Dazeley/Getty Images

Other consequences of blood type

People with type O blood enjoy a slightly lower risk of heart disease and blood clotting, but they may be more susceptible to hemorrhaging or bleeding disorders. This may be especially true after childbirth, according to a study on postpartum blood loss, which found an increased risk in women with type O blood.

People with type O blood may also fare worse after a traumatic injury due to increased blood loss, according to a study published in Critical Care.

Other research has found people with type AB blood might be at an increased risk for cognitive impairment when compared to people with type O. Cognitive impairment includes things like trouble remembering, focusing or making decisions. 

Should I change my lifestyle based on my blood type? 

While research available now shows that blood type can tip the scale in terms of someone's risk of developing heart disease, big factors such as diet, exercise or even the level of pollution you're exposed to in your community are the major players in determining heart health. 

Guggenheim says that for patients trying to keep their heart healthy, there's no special recommendation that he'd make other than a good heart-healthy diet that lowers inflammation, regardless of someone's blood type. 

Lean proteins, healthy fats, fruits, vegetables and whole grains are all part of a heart-healthy diet.

Lina Darjan/500px/Getty Images

But, he notes, future research could offer more definitive ways doctors treat patients based on their blood type. All factors considered equally, a patient with healthy cholesterol levels and type A blood may benefit from taking aspirin each day whereas it might not be necessary for a person in the same boat with type O blood. 

"A well-balanced, heart-healthy diet in general is going to be what any physician is going to recommend, and I would say that ABO doesn't change that," Guggenheim said. 

"I don't think there's a protective benefit from just having type O blood that contributes to being scot-free," he added.

More for your wellness

The information contained in this article is for educational and informational purposes only and is not intended as health or medical advice. Always consult a physician or other qualified health provider regarding any questions you may have about a medical condition or health objectives.

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