Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 195,297
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     197,812
Calibration 2     195,458
Calibration 3     195,208
ssj_ops@calibrated=195,333
100% 100.0% 195,333 195,297
90% 89.8% 175,800 175,313
80% 79.7% 156,267 155,724
70% 70.2% 136,733 137,112
60% 59.9% 117,200 117,071
50% 49.9% 97,667 97,455
40% 39.4% 78,133 76,968
30% 30.3% 58,600 59,120
20% 19.8% 39,067 38,728
10% 9.8% 19,533 19,228
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 14,388,583 1,494
Payment 14,388,587
Order Status 1,438,858
Delivery 1,438,860
Stock Level 1,438,859
Customer Report 14,388,588
Calibration 2 New Order 14,216,679 1,494
Payment 14,216,674
Order Status 1,421,669
Delivery 1,421,668
Stock Level 1,421,667
Customer Report 14,216,680
Calibration 3 New Order 14,197,863 1,494
Payment 14,197,863
Order Status 1,419,786
Delivery 1,419,787
Stock Level 1,419,786
Customer Report 14,197,860
100% 100.0% New Order 14,203,812 1,494
Payment 14,203,812
Order Status 1,420,382
Delivery 1,420,381
Stock Level 1,420,381
Customer Report 14,203,811
90% 89.8% New Order 12,750,166 1,494
Payment 12,750,172
Order Status 1,275,018
Delivery 1,275,018
Stock Level 1,275,018
Customer Report 12,750,176
80% 79.7% New Order 11,326,760 1,494
Payment 11,326,763
Order Status 1,132,676
Delivery 1,132,676
Stock Level 1,132,677
Customer Report 11,326,762
70% 70.2% New Order 9,972,263 1,494
Payment 9,972,267
Order Status 997,227
Delivery 997,226
Stock Level 997,225
Customer Report 9,972,262
60% 59.9% New Order 8,514,937 1,494
Payment 8,514,935
Order Status 851,494
Delivery 851,493
Stock Level 851,492
Customer Report 8,514,943
50% 49.9% New Order 7,088,597 1,494
Payment 7,088,599
Order Status 708,860
Delivery 708,859
Stock Level 708,860
Customer Report 7,088,603
40% 39.4% New Order 5,597,967 1,494
Payment 5,597,970
Order Status 559,797
Delivery 559,797
Stock Level 559,796
Customer Report 5,597,967
30% 30.3% New Order 4,299,748 1,494
Payment 4,299,749
Order Status 429,975
Delivery 429,975
Stock Level 429,974
Customer Report 4,299,753
20% 19.8% New Order 2,816,635 1,494
Payment 2,816,632
Order Status 281,663
Delivery 281,662
Stock Level 281,664
Customer Report 2,816,632
10% 9.8% New Order 1,398,485 1,494
Payment 1,398,486
Order Status 139,849
Delivery 139,848
Stock Level 139,849
Customer Report 1,398,483
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0