Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 188,335
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     191,722
Calibration 2     188,670
Calibration 3     188,164
ssj_ops@calibrated=188,417
100% 100.0% 188,417 188,335
90% 90.5% 169,576 170,480
80% 80.1% 150,734 150,873
70% 69.8% 131,892 131,571
60% 59.8% 113,050 112,686
50% 50.4% 94,209 94,943
40% 39.8% 75,367 75,046
30% 29.8% 56,525 56,196
20% 20.2% 37,683 38,041
10% 10.1% 18,842 19,080
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 13,946,809 1,494
Payment 13,946,805
Order Status 1,394,680
Delivery 1,394,680
Stock Level 1,394,681
Customer Report 13,946,805
Calibration 2 New Order 13,721,777 1,494
Payment 13,721,776
Order Status 1,372,178
Delivery 1,372,178
Stock Level 1,372,178
Customer Report 13,721,776
Calibration 3 New Order 13,685,029 1,494
Payment 13,685,030
Order Status 1,368,503
Delivery 1,368,503
Stock Level 1,368,502
Customer Report 13,685,028
100% 100.0% New Order 13,697,357 1,494
Payment 13,697,358
Order Status 1,369,736
Delivery 1,369,736
Stock Level 1,369,735
Customer Report 13,697,355
90% 90.5% New Order 12,398,985 1,494
Payment 12,398,984
Order Status 1,239,898
Delivery 1,239,898
Stock Level 1,239,899
Customer Report 12,398,981
80% 80.1% New Order 10,972,896 1,494
Payment 10,972,903
Order Status 1,097,288
Delivery 1,097,289
Stock Level 1,097,290
Customer Report 10,972,899
70% 69.8% New Order 9,569,853 1,494
Payment 9,569,858
Order Status 956,987
Delivery 956,987
Stock Level 956,987
Customer Report 9,569,857
60% 59.8% New Order 8,195,860 1,494
Payment 8,195,860
Order Status 819,585
Delivery 819,584
Stock Level 819,585
Customer Report 8,195,857
50% 50.4% New Order 6,905,429 1,494
Payment 6,905,429
Order Status 690,542
Delivery 690,543
Stock Level 690,542
Customer Report 6,905,431
40% 39.8% New Order 5,458,224 1,494
Payment 5,458,225
Order Status 545,823
Delivery 545,822
Stock Level 545,822
Customer Report 5,458,225
30% 29.8% New Order 4,087,236 1,494
Payment 4,087,240
Order Status 408,724
Delivery 408,724
Stock Level 408,722
Customer Report 4,087,238
20% 20.2% New Order 2,767,034 1,494
Payment 2,767,037
Order Status 276,702
Delivery 276,704
Stock Level 276,703
Customer Report 2,767,033
10% 10.1% New Order 1,387,674 1,494
Payment 1,387,672
Order Status 138,767
Delivery 138,768
Stock Level 138,767
Customer Report 1,387,676
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0