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AMD Ryzen (Summit Ridge) Benchmarks Thread (use new thread)

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Let's do the Time Warp again! (back to 2009)

horror.png


i5 750 “Lynnfield” 4C/4T, 3.8 GHz, 16 GB (2 x 8) 1600 RAM CAS 9, Windows 7 x64 SP1, clean run

methodology and notes: As with the 8370E tests, I found that running the Blender render twice-in-a-row usually yields the best performance. Running it a third time doesn’t. So, the following scores are the best of two runs. This trend didn’t hold true on the Mac, of course, because of thermals and turbo.

Turbo is disabled on this Lynnfield as it was on the 8370E.

Blender with AMD's Ryzen file results, in order of performance, rounded to tenths

2.75a

100: 1:17.7
150: 1:56.4
200: 2:35.2

The Stilt "SIMD" build, 2.78.4

100: 1:18.6
150: 1:57.1
200: 2:36.7

2.76b

100: 1:19.3
150: 1:58.9
200: 2:38.3

2.77a

100: 1:20.7
150: 2:01.0
200: 2:41.2

2.78a

100 samples: 1:22.0
150 samples: 2:03.1
200 samples: 2:43.2

The Stilt "AVX2" build, 2.78.4

100: 1:22.7
150: 2:03.8
200: 2:44.7

———————————

Cinebench R15

multi: 454
single: 116
mp ratio: 3.90x
Open GL (GTX 460 768 MB at 705/1410): 91.87 fps

Cinebench R11.5

multi: 5.12
single: 1.30
mp ratio: 3.94x
Open GL (GTX 460 768 MB at 705/1410): 45.97 fps

CPU-Z 1.77.0.x64

single: 1365 (consistent)
multi: 4777 (best result)
 
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^ so RYZEN paper launch with reviews on CES ?

even if they launch 1 sku only, it will be enough to determine ST performance. that's the most important thing couple with price and p/w imo. cuz p/w can win them some mobile market.
 
Let's go for another round.

Core i7-2630QM, this time at 2.195GHz fixed frequency. Win10 x64 up to date, 8Gb (2x4, dualchannel) DDR3-1333 CAS9, running with Throttlestop in background.

Blender 2.78a x64

100 samples: 1m42.5s
150 samples: 2m30.8s
200 samples: 3m26.7s

The Stilt "SIMD" build, 2.78.4

100 samples: 1m14.5s
150 samples: 1m52.7s
200 samples: 2m27.0s

The Stilt "AVX2" build, 2.78.4

100 samples: 1m10.6s
150 samples: 1m46.7s
200 samples: 2m20.2s

So, for Sandy Bridge AVX2 is the fastest.

Skylake Core i5-6600 3.63GHz (default clocks, but Asrock uses a 100.9MHz base clock). 8Gb (2x4) DDR4-2133 CAS14, running with Throttlestop in background.

Blender 2.78a x64

100 samples: 1m03.9s
150 samples: 1m36.6s
200 samples: 2m07.7s

The Stilt "SIMD" build, 2.78.4

100 samples: 0m38.0s
150 samples: 0m56.8s
200 samples: 1m16.1s

The Stilt "AVX2" build, 2.78.4

100 samples: 0m36.5s
150 samples: 0m54.6s
200 samples: 1m12.7s

Again, for Skylake AVX2 build is the fastest.

Using the formula from rvborgh and jhu
- Core i7-2630QM Blender 2.78a 100 samples: 71115
- Core i7-2630QM Blender 2.78a 150 samples: 72506
- Core i7-2630QM Blender 2.78a 200 samples: 70530

- Core i7-2630QM The Stilt AVX2 2.78.4 100 samples: 103248
- Core i7-2630QM The Stilt AVX2 2.78.4 150 samples: 102474
- Core i7-2630QM The Stilt AVX2 2.78.4 200 samples: 103984

- Core i5-6600 Blender 2.78a 100 samples: 68978
- Core i5-6600 Blender 2.78a 150 samples: 68443
- Core i5-6600 Blender 2.78a 200 samples: 69032

- Core i5-6600 Blender AVX2 100 samples: 120759
- Core i5-6600 Blender AVX2 150 samples: 121091
- Core i5-6600 Blender AVX2 200 samples: 121258

For reference:
- Core i7-6900K (per AMD, 3.5GHz) Blender 2.78a 100 samples: 91429
- Core i7-6900K (per AMD, 3.5GHz) Blender 2.78a 150 samples: 95238
- Ryzen 3.4GHz per AMD Blender 2.78a 100 samples: 94118
- Ryzen 3.4GHz per AMD Blender 2.78a 150 samples: 98039

Byes
 
Lebdnil said:
So, for Sandy Bridge AVX2 is the fastest.

Again, for Skylake AVX2 build is the fastest.
Click to expand...
Interesting. It was the slowest for Lynnfield and slower than the "SIMD" build for Vishera (although dramatically faster than the standard builds). I'm going to do another round of Vishera testing at a Prime-stable clock to be certain of the results.
 
We seem to have an elephant in the room called Piledriver. The Ryzen Blender file makes PD look absolutely horrendous. But, with The Stilt's builds the picture changes. Very odd, indeed.

performance results comments:

—————————————

Vishera

8370E 4M/8T @4.4, 2133 CAS 9-11-10, Windows 8.1 x64
8370E 4M/8T @5, 1814 CAS 9, Windows 8.1 x64
8370E 4M/4T @5, 1814 CAS 9, Windows 8.1 x64

“SIMD” > “AVX2” > 2.75a > 2.76b > 2.77a > 2.78a

absolutely drastic speed increase from The Stilt builds over regular builds
significant speed gain from “SIMD” build over “AVX2” build
all score sets for each build follow the trend, without a single exception in any run
second run nearly always better result than first, third run almost never faster
regular builds get slower with each version increase, The Stilt’s builds are wild cards

100 sample score with 2.78a (4.4 GHz): 1:16.0
150 sample score with 2.78a (4.4 GHz): 1:53.9

—————————————

Lynnfield

i5 750 4C/4T @3.8, 1600 CAS 9, Windows 7 x64

2.75a > “SIMD” > 2.76b > 2.77a > 2.78a > “AVX2”

polar results from The Stilt builds: “AVX2” a bit worse than 2.78a and “SIMD” a bit below best
minor performance differences between The Stilt builds and regular builds
significant, not dramatic, difference between best speed builds and worst performers
all score sets for each build follow the trend, without a single exception in any run
second run nearly always better result than first, third run almost never faster
regular builds get slower with each version increase, The Stilt’s builds are wild cards

100 sample score with 2.78a: 1:22.0
150 sample score with 2.78a: 2:03.1
 
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New Piledriver tests confirm huge performance gap between standard builds and The Stilt's:

8370E 4.4 GHz, 2133 9-11-10-30-43-CR1 RAM 16 GB (2 x 8), Windows 8.1 64, 200 BCLK, 2400 FSB, 2600 HT

The Stilt’s “SIMD” build, 2.78.4:

100: 0:40.0
150: 0:59.7
200: 1:19.3

The Stilt’s “AVX2” build, 2.78.4:

100: 0:45.0
150: 1:07.2
200: 1:29.5

2.75a

100: 1:11.2
150: 1:46.6
200: 2:22.0

2.76b

100: 1:14.1
150: 1:51.3
200: 2:27.2

2.77a

100: 1:14.8
150: 1:52.4
200: 2:28.8

2.78a:

100: 1:16.0
150: 1:53.9
200: 2:31.3

———————————————

CB R15

single: 106
multi: 706
mp ratio: 6.66x
OpenGL (7870 2 GB, Crimson): 102.72 fps

CB R11.5

single: 1.17
multi: 7.64
mp ratio: 6.51x
OpenGL (7870 2 GB, Crimson): 75.55 fps

CPU-Z

single: 1293 (same result, two passes)
multi: 8400 (same result, two passes)
 
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Updated the list with the data from the Germans and merged it all together (had to leave some out because i could not accurately guess their turbo speed unfortunately). Pattern stays the same though 🙂 Ryzen is going to kick some bootie! 🙂 Hopefully the folks over there do not mind 🙂

#s on left are samples per second per core per GHz (so you can compare processors by core throughput)

19,815 25:14 min : AMD E-350 „Zacate” (2C/2T, 1.6 GHz, kein Turbo, DDR3-1066 SC) von deppjones
20,222 08:36 min : AMD A8-4500M „Trinity” (2C/4T, 2.3 GHz, kein Turbo, DDR3-1333 DC) von Fab8
21,428 00:50 min : 2x [AMD Opteron 6380 „Abu Dhabi” (8M/16T, 2.5 GHz, 2.8 GHz Turbo, DDR3-1333 ECC QC NUMA)] von Raspo
23,255 02:09 min : AMD FX-8350 „Vishera” (4M/8T, 4.0 GHz, 4.2 GHz Turbo, DDR3-1866 DC) von sompe
23,437 02:08 min : AMD FX-8350 „Vishera” (4M/8T, 4.0 GHz, 4.2 GHz Turbo, DDR3-1866 DC) von Nero24
23,478 04:29 min : AMD A10-7860K „Godavari” (2M/4T, 3.8 GHz, kein Turbo, DDR3-1600 DC) von eratte
23,504 01:46 min : AMD FX-8350 „Vishera” (4M/8T, 4.8 GHz, kein Turbo, DDR3-2133 DC) von Atombossler
23,645.32 FX-8370E (@ 5GHz)
23,668.64 FX-8350 stock
23,677 02:39 min : AMD FX-6350 „Vishera” (3M/6T, 4.25 GHz, kein Turbo, DDR3-1866 DC) von erde-m
23,767 01:39 min : AMD FX-8350 „Vishera” (4M/8T, 5.1 GHz, kein Turbo, DDR3-2133 DC) von Atombossler
23,809 01:45 min : AMD FX-9590 „Vishera” (4M/8T, 4.8 GHz, kein Turbo, DDR3-1333 DC) von Spacecake
23,861 01:47 min : AMD FX-9590 „Vishera” (4M/8T, 4.7 GHz, kein Turbo, DDR3-1333 DC) von Spacecake
23,973 03:33 min : AMD Opteron 3365 „Delhi” (4C/8T 2.35 GHz, kein Turbo, DDR3-1600 DC) von Fab8
24,188 04:02 min : AMD A10-6800K „Richland” (2M/4T, 4.1 GHz, 4.4 GHz Turbo, DDR3-2133 DC) von sompe
24,479 04:18 min : AMD A10-7860K „Godavari” (2M/4T, 3.8 GHz, kein Turbo, DDR3-2133 DC) von eratte
25,483 04:37 min : AMD A10-7850K „Kaveri” (2M/4T, 3.4 GHz, kein Turbo) von Casi030
25,518 09:30 min : AMD Athlon II X3 400e „Rena” (3C/3T, 2.2 GHz, kein Turbo, DDR3-1600 DC) von donmartin3000
25,805.06 FX-8370E (@ 5Ghz) single thread per module 25,805.06
26,402 03:22 min : AMD Athlon X4 860K „Kaveri” (2M/4T, 4,5 GHz, kein Turbo, DDR3-1600 DC) von Onkel_Dithmeyer
26,737 03:24 min : AMD Athlon X4 860K „Kaveri” (2M/4T, 4.4 GHz, kein Turbo, DDR3-1600 DC) von David64
28,261 06:26 min : AMD Athlon 5370 „Kabini” (4C/4T, 2.2 GHz, kein Turbo, DDR3-1600 SC) von Nero24
28,419 09:23 min : AMD A4-5000 „Kabini” (4C/4T, 1.5 GHz, kein Turbo, DDR3L-1600 SC) von genervt
28,571 09:20 min : AMD A4-5000 „Kabini” (4C/4T, 1.5 GHz, kein Turbo, DDR3-1600 SC) von Nero24
28,811.52 Phenom 965 BE@ 3.4
31,968 11:55 min : AMD Athlon II M320 „Caspian” (2C/2T, 2.1 GHz, kein Turbo, DDR3-1066 DC) von Nero24
32,051 00:26 min : 8x [AMD Opteron 8431 „Istanbul” (6C/6T, 2.4 GHz, kein Turbo, DDR2-667 ECC DC NUMA)] von bschicht86
32,345.01 A8 3850
34,873.58 Athlon X4 845
36,038 Phenom 2 X6 1100 @ 3.4
37,137 08:37 min : AMD Athlon X2 7550 „Kuma” (2C/2T, 2.5 GHz, kein Turbo, DDR2-800 SC) von Nero24
38,784 03:58 min : AMD Phenom II X4 810 „Deneb” (4C/4T, 2.6 GHz, kein Turbo, DDR3-1066 DC) von Nero24
39,215 02:00 min : AMD Phenom II X6 1055T „Thuban” (6C/6T, 3.4 GHz, kein Turbo) von HITCHER
39,434 02:59 min : AMD Phenom II X4 965 „Deneb” (4C/4T, 3.4 GHz, kein Turbo, DDR3-1333) von enigmation
39,608 (first core) quad Opteron 61xx, "Magny Cours", 48 K10 cores @3.0 GHz, 35,461 (48th core), DDR3-1333
40,920 01:55 min : AMD Phenom II X6 1100T „Thuban” (6C/6T, 3.3 GHz, 3.7 GHz Turbo, DDR3-1600 DC) von C4rp3di3m
51,282.05 Sandy Bridge 2500K @ 4.5 Ghz
51,306.17 i5 750 (“Lynnfield” 4C/4T, 3.8 GHz)
51,724 01:56 min : Intel Core i5 2500K „Sandy Bridge” (4C/4T, 4.0 GHz, kein Turbo, DDR3-2133 DC) von eratte
52,287.58 Sandy Bridge I5 @ 3 Ghz
54,421 01:45 min : Intel Core i5 3750K „Ivy Bridge” (4C/4T, 4.2 GHz, kein Turbo, DDR3-1333 DC) von mibo
54,770 i5-3570K (3.6 GHz), "Ivy Bridge"
62,500 00:32 min : 2x [Intel Xeon E5-2670 „Sandy-Bridge-EP” (8C/16T, 2.6 GHz, 3.3 GHz Turbo, DDR3-1600 DC)] von Sabroe SMC
64,205.46 4770K 64,205.46
67,838.8 SkyLake i5@3.63GHz
68,356.78 Xeon 5660
68,982.76 3770k
69,135 (first core) 63,694 (16th core) Xeon E5 2670 x2 (3.0 GHz turbo)
70,175 01:00 min : Intel Core i7 3930K „Sandy Bridge-E” (6C/12T, 3.8 GHz, kein Turbo, DDR3-1866 TC) von eratte
70,838 01:27 min : Intel Core i5 4690K „Haswell” (4C/4T, 4.4 GHz, kein Turbo, DDR3-1600 DC) von Stromae
70,937 01:05 min : Intel Core i7 980X „Westmere” (6C/12T, 3.47 GHz, kein Turbo, DDR3-1600 TC) von eratte
71,556 01:26 min : Intel Core i7 3820 „Sandy Bridge-EP” (4C/8T, 3.9 GHz, kein Turbo, DDR3-1600 QC) von wolle23
75,093 01:34 min : Intel Xeon E3-1270 „Sandy Bridge” (4C/8T 3.4 GHz, 3.8 GHz Turbo, DDR3-1333 DC) von sjrothe
75,650 00:47 min : Intel Xeon E5 V2 ES „Ivy Bridge-EP” (10C/20T, 2.7 GHz, kein Turbo, DDR3-1866 QC) von Sabroe SMC
76,628 04:21 min : Intel Core i5 520M „Arrandale” (2C/4T, 2.4 GHz, 2.9 GHz Turbo) von David64
77,896 01:19 min : Intel Core i7 3770K „Ivy Bridge” (4C/8T, 3.9 GHz, kein Turbo) von Nightshift
78,431 01:30 min : Intel Core i7 3770K „Ivy Bridge” (4C/8T, 3.4 GHz, kein Turbo) von Nightshift
78,431 00:51 min : Intel Core i7 4930K „Ivy Bridge-E” (6C/12T, 4.0 GHz, kein Turbo, DDR3-1600 QC) von eratte
78,947 01:16 min : Intel Core i7 3770K „Ivy Bridge” (4C/8T, 4.0 GHz, kein Turbo) von Nightshift
78,947.37 SkyLake
81,081 01:14 min : Intel Core i7 2600K „Sandy Bridge” (4C/8T, 4.0 GHz, kein Turbo, DDR3-1600 DC) von Sabroe SMC
82,644 01:28 min : Intel Xeon E3-1230 v2 „Ivy Bridge” (4C/8T, 3.3 GHz, 3.7 Turbo, DDR3-1600 DC) von genervt
83,457.36 3770 (non K) at 3.4 GHz 83,457.36
86,642 04:37 min : Intel Core i3 5005U „Broadwell” (2C/4T, 2.0 GHz, kein Turbo, DDR3-1600 SC) von eratte
89,921 02:37 min : Intel Core i3 4130 „Haswell” (2C/4T, 3.4 GHz, kein Turbo, DDR3-1600 DC) von eratte
91,185 00:28 min : Intel Core i7 5960X „Haswell-E” (8C/16T, 4.7 GHz, kein Turbo, DDR4-3000 QC) von MusicIsMyLife
91,242 Intel Xeon 1240v3 "Haswell" 3,8Ghz 4C/8T 1333er kein Turbo
91,427.18 5960X
91,954 04:21 min : Intel Core i3 5005U „Broadwell” (2C/4T, 2.0 GHz, kein Turbo, DDR3-1600 DC) von Nero24
92,307 01:05 min : Intel Core i7 4790K „Haswell” (4C/8T, 4.0 GHz, 4.4 GHz Turbo, DDR3-1600 DC) von Nero24
92,528.34 5820K @ 4.4GHz
93,389.76 6950X
93,811.38 5930K
94,581 00:29 min : Intel Core i7 6950X „Broadwell-E” (10C/20T, 3.5 GHz, kein Turbo, DDR4-2800 QC) von thorsam
94,861.66 4790K
95,238 00:42 min : Intel Core i7 6850K „Broadwell-E” (6C/12T, 4.0 GHz, kein Turbo, DDR4-2400 QC) von eratte
96,774 01:02 min : Intel Core i7 4790K „Haswell” (4C/8T, 4.0 GHz, 4.4 GHz Turbo, DDR3-1600 DC) von eratte
97,595 (95,238?) 00:35 min : Intel Core i7 6900K „Broadwell-E” (8C/16T, 3.2 GHz, 3.7 GHz Turbo, DDR4-2400 DC) von AMD
98,039.22 AMD Ryzen (went with 35.75s), 8C/16T, 3.4GHz no turbo
104,166 i7-7700k "KabyLake" @ 5Ghz / DDR4-2800
105,207.79 i7-6700K "SkyLake"
111,731.84 i7-6700K "SkyLake"

Dresdenboy said:
Planet3DNow! also has a nice collection: http://www.planet3dnow.de/cms/27965-amd-ryzen-blender-benchmark-im-vergleich/
Click to expand...
 
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Can I suggest something about Cinebench R15 score?

Can anyone with 5960X lock the CPU to 3.0 or 3.1 GHz max Core clock on 8C/16T, and run the CB R15 benchmark and post MT score?
 
Thanks for the updated list. Please add the following data points, thanks : )

8370E @4.4 non-turbo
150 samples: 1:53.9

8370E @4.4 non-turbo, 4M/4T (CMT off)
150 samples: 3:32.4

---------------------------------------------------------

That results list also shows the problem with the Blender test (i.e. why The Stilt's builds offer so much better performance with Piledriver). Ancient AMD processors like Athlon X2 7550 should not outperform Piledriver.

I think everyone should use The Stilt's two builds so we can build a picture of performance, regardless of the Ryzen CPU. Maybe then AMD will offer us a data points with those two builds to "clarify the situation". Right now, it looks to me like Blender 2.78a is not giving an accurate picture at all of construction core performance characteristics.

Until the vast performance gap on Piledriver between The Stilt's builds and 2.78a is explained in a manner that shows the actual validity of stock Blender as an effective tool for measuring Piledriver's ability, comparisons between construction core IPC and Zen IPC based on this test seem worthless.
 
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8370E @4.4 4M/4T (CMT off) non-turbo 2133 9-11-10-30-43-1T, Windows 8.1 x64

all benchmark results are the best of two passes

Blender and Ryzen file:

“SIMD” build 2.78.4

100 samples: 1:07.7
150 samples: 1:41.1

"AVX2” build 2.78.4 *

100 samples: 1:15.5
150 samples: 1:53.2

2.75a (7-1-2015) **

100 samples: 2:12.7
150 samples: 3:18.1

2.76b

100 samples: 2:15.9
150 samples: 3:23.8

2.77a

100 samples: 2:17.7
150 samples: 3:25.2

2.78a (10-30-2016)

100 samples: 2:21.6
150 samples: 3:32.4

———————— other benches ————————

POV-Ray 3.7.0.msvc10

kernel: 0.11
user: 990.17
total: 990.28
elapsed: 251.64
CPU vs. elapsed ratio: 3.94
render averaged 1041.74 PPS (264.72 PPS CPU time)
262144 pixels, 4 threads

Cinebench R15

single: 106
multi: 413
mp ratio: 3.90x
OpenGL (7870 GHz): 100.3 fps

Cinebench R11.5

single: 1.17
multi: 4.61
mp ratio: 3.94x
OpenGL (7870 GHz): 74.4 fps

CPU-Z 1.77.0.x64

single: 1295, multi: 4987

CPU-Z 1.78.1.x64

single: 1295, multi: 4991


*Note that this build had the slowest results with 2009 Lynnfield 4C/4T CPU while the "SIMD" build was just shy of the top spot.

**Note that this build was the fastest with the Lynnfield, just edging The Stilt's "SIMD" build. With Vishera, though, both of The Stilt's builds are much faster than the standard builds and there isn't nearly as much of a gap between the fastest-performing build on Lynnfield (2.75a) and the slowest (The Stilt's "AVX2" build).

These results show basically normal progress from build to build for Lynnfield but a horrific bottleneck for Vishera with standard Blender builds.

Even with CMT off (1 CU per module for 4M/4T) — The Stilt's "SIMD" build is much faster than the official Blender build.
 
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Actually, IMHO... Blender is giving an accurate picture. BD/Piledriver just happens to be absolutely horrible (per second per core per Ghz) in it (2.78a) and we need to admit this instead of denying it and blaming the software (i mean Intel runs it perfectly well (and so does K10) so BD arch should do it reasonably well too and not choke). i wonder if AMD chose Blender as a proper benchmark to show that they have fixed this problem. i would say they seem to have done a brilliant job in fixing it with Ryzen 🙂

If Ryzen does this well with the "old" code... i wonder how well it will do with "new" code utilizing the newer instructions.

superstition said:
Thanks for the updated list. Please add the following data points, thanks : )

8370E @4.4 non-turbo
150 samples: 1:53.9

8370E @4.4 non-turbo, 4M/4T (CMT off)
150 samples: 3:32.4

---------------------------------------------------------

That results list also shows the problem with the Blender test (i.e. why The Stilt's builds offer so much better performance with Piledriver). Ancient AMD processors like Athlon X2 7550 should not outperform Piledriver.

I think everyone should use The Stilt's two builds so we can build a picture of performance, regardless of the Ryzen CPU. Maybe then AMD will offer us a data points with those two builds to "clarify the situation". Right now, it looks to me like Blender 2.78a is not giving an accurate picture at all of construction core performance characteristics.

Until the vast performance gap on Piledriver between The Stilt's builds and 2.78a is explained in a manner that shows the actual validity of stock Blender as an effective tool for measuring Piledriver's ability, comparisons between construction core IPC and Zen IPC based on this test seem worthless.
Click to expand...
 
rvborgh said:
Actually, IMHO... Blender is giving an accurate picture. BD/Piledriver just happens to be absolutely horrible (per second per core per Ghz) in it (2.78a) and we need to admit this instead of denying it and blaming the software (i mean Intel runs it perfectly well (and so does K10) so BD arch should do it reasonably well too and not choke). i wonder if AMD chose Blender as a proper benchmark to show that they have fixed this problem. i would say they seem to have done a brilliant job in fixing it with Ryzen 🙂

If Ryzen does this well with the "old" code... i wonder how well it will do with "new" code utilizing the newer instructions.
Click to expand...
Your appraisal doesn't fit the data unless The Stilt's builds are somehow broken.

What the data shows is that the official Blender builds (at least since 2.75a) are not worthwhile benchmarks for Piledriver, and likely any construction core.

The Lynnfield data also strongly indicates that The Stilt's builds aren't broken.
 
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superstition said:
Your appraisal doesn't fit the data unless The Stilt's builds are somehow broken.

What the data shows is that the official Blender builds (at least since 2.75a) are not worthwhile benchmarks for Piledriver, and likely any construction core.

The Lynnfield data also strongly indicates that The Stilt's builds aren't broken.
Click to expand...
You are ignoring the various entry/exit and alignment issues that exist on the bulldozer/piledrive FPU.
here is a simple example:
https://gcc.gnu.org/ml/gcc-patches/2013-01/msg00396.html

The better question is what actually changes between SSE build and AVX/AVX2 build?
Is the compile creating more friendly code thax to 3 operand?
are some of the new optimization in the code base that allow such a big uplift removing a bottle neck?
Is the improvement from using a different/newer compile that handles bulldozer better?

The issue isn't blender, its bulldozer or the code generated by the compiler for bulldozer.
 
itsmydamnation said:
You are ignoring the various entry/exit and alignment issues that exist on the bulldozer/piledrive FPU.
Click to expand...
This data progression doesn't look like it fits the claim that the reason we're seeing it is because of Piledriver's design inadequacies.

23,437 02:08 min : AMD FX-8350 „Vishera” (4M/8T, 4.0 GHz, 4.2 GHz Turbo, DDR3-1866 DC) von Nero24
23,504 01:46 min : AMD FX-8350 „Vishera” (4M/8T, 4.8 GHz, kein Turbo, DDR3-2133 DC) von Atombossler
23,809 01:45 min : AMD FX-9590 „Vishera” (4M/8T, 4.8 GHz, kein Turbo, DDR3-1333 DC) von Spacecake
25,518 09:30 min : AMD Athlon II X3 400e „Rena” (3C/3T, 2.2 GHz, kein Turbo, DDR3-1600 DC) von donmartin3000
25,805.06 FX-8370E (@ 5Ghz) single thread per module 25,805.06
31,968 11:55 min : AMD Athlon II M320 „Caspian” (2C/2T, 2.1 GHz, kein Turbo, DDR3-1066 DC) von Nero24
37,137 08:37 min : AMD Athlon X2 7550 „Kuma” (2C/2T, 2.5 GHz, kein Turbo, DDR2-800 SC) von Nero24
38,784 03:58 min : AMD Phenom II X4 810 „Deneb” (4C/4T, 2.6 GHz, kein Turbo, DDR3-1066 DC) von Nero24
51,282.05 Sandy Bridge 2500K @ 4.5 Ghz
51,306.17 i5 750 (“Lynnfield” 4C/4T, 3.8 GHz)

Let's see The Stilt's builds progressed out like this, eh?
 
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superstition said:
This data progression doesn't look like it fits the claim that the reason we're seeing it is because of Piledriver's design inadequacies.

23,437 02:08 min : AMD FX-8350 „Vishera” (4M/8T, 4.0 GHz, 4.2 GHz Turbo, DDR3-1866 DC) von Nero24
23,504 01:46 min : AMD FX-8350 „Vishera” (4M/8T, 4.8 GHz, kein Turbo, DDR3-2133 DC) von Atombossler
23,809 01:45 min : AMD FX-9590 „Vishera” (4M/8T, 4.8 GHz, kein Turbo, DDR3-1333 DC) von Spacecake
25,518 09:30 min : AMD Athlon II X3 400e „Rena” (3C/3T, 2.2 GHz, kein Turbo, DDR3-1600 DC) von donmartin3000
25,805.06 FX-8370E (@ 5Ghz) single thread per module 25,805.06
31,968 11:55 min : AMD Athlon II M320 „Caspian” (2C/2T, 2.1 GHz, kein Turbo, DDR3-1066 DC) von Nero24
34,873.58 Athlon X4 845
37,137 08:37 min : AMD Athlon X2 7550 „Kuma” (2C/2T, 2.5 GHz, kein Turbo, DDR2-800 SC) von Nero24
38,784 03:58 min : AMD Phenom II X4 810 „Deneb” (4C/4T, 2.6 GHz, kein Turbo, DDR3-1066 DC) von Nero24
51,282.05 Sandy Bridge 2500K @ 4.5 Ghz
51,306.17 i5 750 (“Lynnfield” 4C/4T, 3.8 GHz)

Let's see The Stilt's builds progressed out like this, eh?
Click to expand...

I really dont get what you are trying to point out with these random bunch of numbers.
 
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