Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 191,970
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 22, 2025
Hardware Availability: May-2025 Software Availability: Jun-2025 Publication: Apr 22, 2026
System Source: Single Supplier System Designation: Server Power Provisioning: Line-powered
Benchmark Results Summary
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     193,856
Calibration 2     192,213
Calibration 3     191,582
ssj_ops@calibrated=191,897
100% 100.0% 191,897 191,970
90% 90.0% 172,708 172,633
80% 79.7% 153,518 152,970
70% 70.4% 134,328 135,083
60% 59.7% 115,138 114,479
50% 49.6% 95,949 95,261
40% 40.6% 76,759 77,842
30% 29.8% 57,569 57,216
20% 20.0% 38,379 38,311
10% 10.1% 19,190 19,477
Active Idle   0 0
Graph of results
System Under Test
Set: 'sut'
Set Identifier: sut
Set Description: System Under Test
# of Identical Nodes: 1
Comment: PowerEdge R770
Hardware
Hardware Vendor: Dell Inc.
Model: PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz)
Form Factor: 2U
CPU Name: Intel Xeon 6737P 2.9 GHz
CPU Characteristics: 32 core, 2.9 GHz, 144 MB L3 Cache, Max Boost Clock up to 4 GHz
CPU Frequency (MHz): 2900
CPU(s) Enabled: 64 cores, 2 chips, 32 cores/chip
Hardware Threads: 128 (2 / core)
CPU(s) Orderable: 1,2 chip
Primary Cache: 64 KB I + 48 KB D on chip per core
Secondary Cache: 2 MB I+D on chip per core
Tertiary Cache: 144 MB I+D on chip per chip
Other Cache: None
Memory Amount (GB): 512
# and size of DIMM: 16 x 32 GB
Memory Details: 32 GB 2Rx4 PC5-6400-R running at 6400Hz Slots A1-8, B1-8 populated.
Power Supply Quantity and Rating (W): 2 x 1500
Power Supply Details: 1500W Platinum Efficiency
Disk Drive: 2 x 447.13 GB NVMe, 4 x 3576.98 GB PCIe SSD
Disk Controller: PCIe SSD Backplane, PCIe attached Boot Optimized Storage (BOSS) card
# and type of Network Interface Cards (NICs) Installed: 1 x Broadcom NetXtreme Gigabit Ethernet, 1 x Broadcom BCM57414 2x25G OCP Ethernet NIC
NICs Enabled in Firmware / OS / Connected: 4/4/1
Network Speed (Mbit): 1000
Keyboard: None
Mouse: None
Monitor: None
Optical Drives: No
Other Hardware: None
Software
Power Management: Balanced power plan in OS (see SUT notes)
Operating System (OS): Microsoft Windows Server 2022 Standard
OS Version: 21H2 (OS Build 20348.4405)
Filesystem: NTFS
JVM Vendor: Microsoft
JVM Version: Java HotSpot(TM) 64-Bit Server VM (build 17.0.14+8-LTS-191, mixed mode, sharing)
JVM Command-line Options: -server -Xmn1900m -Xms2048m -Xmx2048m -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:UseAVX=1 -XX:AutoBoxCacheMax=20000 -XX:+UseParallelGC -XX:+OptimizeFill -XX:+AggressiveHeap -XX:FreqInlineSize=2500 -XX:InlineSmallCode=3900 -XX:+UseBiasedLocking -XX:AllocatePrefetchDistance=256 -XX:AllocatePrefetchLines=8
JVM Affinity: start /NODE [0,1,2,3,4,5,6,7] /AFFINITY [0x3,0xC,0x30,0xC0,0x300,0xC00,0x3000,0xC000]
JVM Instances: 64
JVM Initial Heap (MB): 2048
JVM Maximum Heap (MB): 2048
JVM Address Bits: 64
Boot Firmware Version: 1.5.4
Management Firmware Version: 1.20.80.00 A00
Workload Version: SSJ 1.2.10
Director Location: Controller
Other Software: None
Boot Firmware Settings
Management Firmware Settings
Minimum Power (Performance per Watt Optimized)
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 14,101,671 1,494
Payment 14,101,668
Order Status 1,410,166
Delivery 1,410,165
Stock Level 1,410,167
Customer Report 14,101,672
Calibration 2 New Order 13,979,868 1,494
Payment 13,979,866
Order Status 1,397,987
Delivery 1,397,986
Stock Level 1,397,988
Customer Report 13,979,867
Calibration 3 New Order 13,935,039 1,494
Payment 13,935,041
Order Status 1,393,504
Delivery 1,393,504
Stock Level 1,393,504
Customer Report 13,935,039
100% 100.0% New Order 13,961,671 1,494
Payment 13,961,668
Order Status 1,396,167
Delivery 1,396,166
Stock Level 1,396,168
Customer Report 13,961,670
90% 90.0% New Order 12,555,588 1,494
Payment 12,555,588
Order Status 1,255,560
Delivery 1,255,558
Stock Level 1,255,560
Customer Report 12,555,593
80% 79.7% New Order 11,125,259 1,494
Payment 11,125,262
Order Status 1,112,525
Delivery 1,112,527
Stock Level 1,112,527
Customer Report 11,125,262
70% 70.4% New Order 9,824,782 1,494
Payment 9,824,779
Order Status 982,479
Delivery 982,479
Stock Level 982,478
Customer Report 9,824,776
60% 59.7% New Order 8,326,485 1,494
Payment 8,326,484
Order Status 832,646
Delivery 832,647
Stock Level 832,649
Customer Report 8,326,481
50% 49.6% New Order 6,928,882 1,494
Payment 6,928,886
Order Status 692,889
Delivery 692,888
Stock Level 692,888
Customer Report 6,928,887
40% 40.6% New Order 5,661,493 1,494
Payment 5,661,489
Order Status 566,149
Delivery 566,147
Stock Level 566,149
Customer Report 5,661,491
30% 29.8% New Order 4,161,645 1,494
Payment 4,161,644
Order Status 416,165
Delivery 416,164
Stock Level 416,164
Customer Report 4,161,641
20% 20.0% New Order 2,786,352 1,494
Payment 2,786,351
Order Status 278,635
Delivery 278,636
Stock Level 278,634
Customer Report 2,786,350
10% 10.1% New Order 1,416,544 1,494
Payment 1,416,551
Order Status 141,654
Delivery 141,654
Stock Level 141,654
Customer Report 1,416,546
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0