Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 189,948
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     193,515
Calibration 2     190,739
Calibration 3     190,067
ssj_ops@calibrated=190,403
100% 99.8% 190,403 189,948
90% 89.6% 171,363 170,651
80% 80.6% 152,322 153,463
70% 69.6% 133,282 132,520
60% 60.2% 114,242 114,580
50% 49.7% 95,202 94,585
40% 40.4% 76,161 76,906
30% 30.2% 57,121 57,443
20% 19.9% 38,081 37,954
10% 9.9% 19,040 18,797
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 14,078,957 1,494
Payment 14,078,956
Order Status 1,407,896
Delivery 1,407,895
Stock Level 1,407,896
Customer Report 14,078,955
Calibration 2 New Order 13,872,575 1,494
Payment 13,872,571
Order Status 1,387,257
Delivery 1,387,255
Stock Level 1,387,257
Customer Report 13,872,570
Calibration 3 New Order 13,823,390 1,494
Payment 13,823,388
Order Status 1,382,340
Delivery 1,382,338
Stock Level 1,382,339
Customer Report 13,823,389
100% 99.8% New Order 13,815,982 1,494
Payment 13,815,988
Order Status 1,381,598
Delivery 1,381,599
Stock Level 1,381,599
Customer Report 13,815,988
90% 89.6% New Order 12,411,432 1,494
Payment 12,411,429
Order Status 1,241,143
Delivery 1,241,142
Stock Level 1,241,143
Customer Report 12,411,428
80% 80.6% New Order 11,161,597 1,494
Payment 11,161,596
Order Status 1,116,159
Delivery 1,116,160
Stock Level 1,116,161
Customer Report 11,161,603
70% 69.6% New Order 9,638,853 1,494
Payment 9,638,853
Order Status 963,885
Delivery 963,886
Stock Level 963,885
Customer Report 9,638,850
60% 60.2% New Order 8,333,552 1,494
Payment 8,333,551
Order Status 833,356
Delivery 833,357
Stock Level 833,355
Customer Report 8,333,553
50% 49.7% New Order 6,878,970 1,494
Payment 6,878,974
Order Status 687,898
Delivery 687,898
Stock Level 687,896
Customer Report 6,878,976
40% 40.4% New Order 5,593,209 1,494
Payment 5,593,206
Order Status 559,321
Delivery 559,321
Stock Level 559,321
Customer Report 5,593,205
30% 30.2% New Order 4,177,940 1,494
Payment 4,177,941
Order Status 417,793
Delivery 417,794
Stock Level 417,794
Customer Report 4,177,940
20% 19.9% New Order 2,760,492 1,494
Payment 2,760,496
Order Status 276,051
Delivery 276,051
Stock Level 276,050
Customer Report 2,760,495
10% 9.9% New Order 1,367,097 1,494
Payment 1,367,100
Order Status 136,710
Delivery 136,710
Stock Level 136,710
Customer Report 1,367,100
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0