Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 189,908
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     193,413
Calibration 2     189,443
Calibration 3     189,528
ssj_ops@calibrated=189,486
100% 100.2% 189,486 189,908
90% 89.5% 170,537 169,496
80% 80.7% 151,589 152,844
70% 70.0% 132,640 132,550
60% 60.1% 113,691 113,812
50% 50.4% 94,743 95,442
40% 40.2% 75,794 76,252
30% 29.9% 56,846 56,605
20% 20.3% 37,897 38,412
10% 10.2% 18,949 19,234
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 14,069,057 1,494
Payment 14,069,056
Order Status 1,406,905
Delivery 1,406,906
Stock Level 1,406,907
Customer Report 14,069,057
Calibration 2 New Order 13,779,339 1,494
Payment 13,779,335
Order Status 1,377,933
Delivery 1,377,934
Stock Level 1,377,934
Customer Report 13,779,333
Calibration 3 New Order 13,783,959 1,494
Payment 13,783,956
Order Status 1,378,396
Delivery 1,378,396
Stock Level 1,378,397
Customer Report 13,783,963
100% 100.2% New Order 13,812,844 1,494
Payment 13,812,843
Order Status 1,381,285
Delivery 1,381,284
Stock Level 1,381,284
Customer Report 13,812,846
90% 89.5% New Order 12,327,462 1,494
Payment 12,327,464
Order Status 1,232,747
Delivery 1,232,747
Stock Level 1,232,747
Customer Report 12,327,470
80% 80.7% New Order 11,115,985 1,494
Payment 11,115,986
Order Status 1,111,599
Delivery 1,111,599
Stock Level 1,111,598
Customer Report 11,115,989
70% 70.0% New Order 9,640,647 1,494
Payment 9,640,651
Order Status 964,066
Delivery 964,065
Stock Level 964,066
Customer Report 9,640,649
60% 60.1% New Order 8,277,834 1,494
Payment 8,277,835
Order Status 827,784
Delivery 827,783
Stock Level 827,783
Customer Report 8,277,834
50% 50.4% New Order 6,941,471 1,494
Payment 6,941,468
Order Status 694,146
Delivery 694,146
Stock Level 694,147
Customer Report 6,941,469
40% 40.2% New Order 5,545,611 1,494
Payment 5,545,609
Order Status 554,561
Delivery 554,560
Stock Level 554,561
Customer Report 5,545,611
30% 29.9% New Order 4,116,812 1,494
Payment 4,116,816
Order Status 411,682
Delivery 411,682
Stock Level 411,681
Customer Report 4,116,811
20% 20.3% New Order 2,793,844 1,494
Payment 2,793,842
Order Status 279,384
Delivery 279,384
Stock Level 279,385
Customer Report 2,793,844
10% 10.2% New Order 1,398,874 1,494
Payment 1,398,870
Order Status 139,887
Delivery 139,887
Stock Level 139,887
Customer Report 1,398,870
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0