Discover and read the best of Twitter Threads about #Top500
Most recents (10)
At #ISC23, @intel's Jeff McVeigh going through AI-accelerated #hpc. Either AI helping reduce large problems, or AI hardware being used for reduced precision in HPC 
If you hadn't seen it, Intel's AI roadmap. Falcon Shores is the output of GPU+AI.
GPU Max.
128 Xe Cores
128 GB HBM2e
52 TF FP64
839 TOP BF16
128 Xe Cores
128 GB HBM2e
52 TF FP64
839 TOP BF16
Finally reached my true rank and this is only the beginning ♥️ This is what my ( the best mercy EU ) stats look like if you wanna know. I feel like i have truly unlocked Mercys' full potential with her recent changes ♥️😇#heroesneverdie #mercy #GMsupport
Next stop 🔜 #Top500
Next stop 🔜 #Top500
I wanna thank my mercy influencers for helping me improve on this hard journey. Improvement takes time, 34 seasons and counting i will never stop trying. @skiesti_ @Animetic @LuxyCoulee @KhaleesiBB @AngelxoTv @HoshizoraOW @eleyzhau @Niandra_ @AquaBoostTV
I have benchmarked the new @AMDInstinct MI250 #GPU at @fzj_jsc, and it is disappointing but also impressive. Let me explain.
🧵1/6
cc @HPC_Guru @hpcprogrammer @IanCutress @ProfMatsuoka @sunitachandra29 @aschilling @wkmyrhang @VideoCardz @AMDGPU_
#HPC #Top500 #MI200 #Exascale
🧵1/6
cc @HPC_Guru @hpcprogrammer @IanCutress @ProfMatsuoka @sunitachandra29 @aschilling @wkmyrhang @VideoCardz @AMDGPU_
#HPC #Top500 #MI200 #Exascale
The #MI250 is misleadingly marketed as "one chiplet GPU" with 13312C, 90TFLOPs & 128GB @ 3.2TB/s.
But it is not. The 2 GCDs are 2 separate GPUs with 64GB each, like a K80 dual-GPU but in a socket. One #GPU can't directly access the other's memory.
🧵2/6
amd.com/en/products/se…
But it is not. The 2 GCDs are 2 separate GPUs with 64GB each, like a K80 dual-GPU but in a socket. One #GPU can't directly access the other's memory.
🧵2/6
amd.com/en/products/se…
To use both GCDs, the software needs to be multi-GPU capable. For many algorithms this is very difficult and for some it is entirely infeasible. The desire for large unified memory is huge.
The #MI250 promises exactly that with "128GB", but delivers only half.
🧵3/6
The #MI250 promises exactly that with "128GB", but delivers only half.
🧵3/6
1/11 Ever wondered how Supercomputers multiply? Efficient multiplication is a critical part of traditional high performance computing as well as machine learning. Let's look at the #IBM Blue Gene/Q, which led the #Top500 and #Green500 in the late 2000s.
en.wikipedia.org/wiki/IBM_Blue_…
en.wikipedia.org/wiki/IBM_Blue_…
2/11 IBM Open Sourced the core to Blue Gene/Q (the @OpenPOWERorg A2I) so it offers a fantastic insight into a CPU that taped out at frequency and in volume. The #VHDL for the core is available at:
github.com/OpenPOWERFound…
github.com/OpenPOWERFound…
3/11 We quickly see that it uses a few well established techniques for optimising multiplication. The first step uses Booth encoding:
en.wikipedia.org/wiki/Booth%27s…
en.wikipedia.org/wiki/Booth%27s…
#SC21 #Top500:
ATIP's More Realistic China Top100?
Better pictures in this thread compared to the photo from Tiffany I tweeted earlier
#HPC #AI via @Cozy57 @glennklockwood
ATIP's More Realistic China Top100?
Better pictures in this thread compared to the photo from Tiffany I tweeted earlier
#HPC #AI via @Cozy57 @glennklockwood
@Cozy57 @glennklockwood 2/
#Exascale in China: 2 EFlops systems today, 3rd delayed
#HPC #AI #SC21 #Top500
#Exascale in China: 2 EFlops systems today, 3rd delayed
#HPC #AI #SC21 #Top500
@Cozy57 @glennklockwood 3/
#HPC in China: Out of 10 #supercomputing centers planned, 8 are in operation
#AI #SC21
#HPC in China: Out of 10 #supercomputing centers planned, 8 are in operation
#AI #SC21
#Top500 -Still waiting for #Exascale: Japan's #Fugaku outperforms all competition once again
@Azure system called Voyager-EUS2 was the only machine to shake up the top spots, claiming #10
top500.org/news/still-wai…
#HPC
@Azure system called Voyager-EUS2 was the only machine to shake up the top spots, claiming #10
top500.org/news/still-wai…
#HPC
#SC21: Press briefing starting now
Bronis R. de Supinski @Livermore_Lab mentions SC21 is the first hybrid @Supercomputing conference
#HPC #AI
Bronis R. de Supinski @Livermore_Lab mentions SC21 is the first hybrid @Supercomputing conference
#HPC #AI
@Supercomputing #SC21: @mark_epcc from @EPCCed covers the finalist papers for the Gordon Bell Prize, which recognizes outstanding achievements in #HPC
Also the finalists for GB for #Covid19
Also the finalists for GB for #Covid19
#SC21: @HPC_Hyperion #HPC Market briefing (without the breakfast this time 😉 )
Despite Covid, #Fugaku single-handedly saved the HPC revenue numbers for 2020 - a billion dollars makes a difference!
Despite Covid, #Fugaku single-handedly saved the HPC revenue numbers for 2020 - a billion dollars makes a difference!
@HPC_Hyperion .@HPE is the top #HPC vendor, followed by @DellTech
@Fujitsu_Global jumped due #3 due to #Fugaku - so this is their 15 minutes of fame :-)
@InspurServer & @lenovo make up the Top 5
#SC21
@Fujitsu_Global jumped due #3 due to #Fugaku - so this is their 15 minutes of fame :-)
@InspurServer & @lenovo make up the Top 5
#SC21
@HPC_Hyperion The broader on-prem #HPC market
#HPC #storage remains #2 after compute, which is the biggest item as usual
#SC21
#HPC #storage remains #2 after compute, which is the biggest item as usual
#SC21
People have asked me about my #Top1000 list and how it is calculated so I thought I would do a thread about it.
I have been doing this list for over 10 years since I joined Twitter in April 2009 as I wanted a way to grow my followers and also reward engagement.
1/
I have been doing this list for over 10 years since I joined Twitter in April 2009 as I wanted a way to grow my followers and also reward engagement.
1/
It started as a #Top500 list but a few years ago I changed it to a #Top1000 list.
I don't determine where people are in the list as it is based on people engaging with with my tweets over a 7 day period since my last list update.
2/
I don't determine where people are in the list as it is based on people engaging with with my tweets over a 7 day period since my last list update.
2/
I award Engagement Points for different activities as follows:
Retweets 9 points.
Replies 6 points.
Likes 3 points.
I accumulate the totals for each person in a file and I have an Excel Spreadsheet and VB Macros to produce the list. It also builds the blog post and tweets.
3/
Retweets 9 points.
Replies 6 points.
Likes 3 points.
I accumulate the totals for each person in a file and I have an Excel Spreadsheet and VB Macros to produce the list. It also builds the blog post and tweets.
3/
2/ Nvidia announced A100 this morning and you can read about it from any number of outlets, e.g. nextplatform.com/2020/05/14/nvi…
3/ Nvidia, as usual, have themselves published a great set of detailed blogs about the architecture and specs, really diving into the approaches they've taken and how they might impact workloads.
devblogs.nvidia.com/nvidia-ampere-…
devblogs.nvidia.com/nvidia-ampere-…
