Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 198,715
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 18, 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     207,890
Calibration 2     199,955
Calibration 3     199,032
ssj_ops@calibrated=199,493
100% 99.6% 199,493 198,715
90% 90.1% 179,544 179,823
80% 79.7% 159,595 158,977
70% 69.4% 139,645 138,462
60% 59.7% 119,696 119,154
50% 49.8% 99,747 99,274
40% 40.3% 79,797 80,491
30% 30.1% 59,848 60,048
20% 20.0% 39,899 39,848
10% 10.2% 19,949 20,280
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
Default Thermal Profile Settings
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 15,123,229 1,494
Payment 15,123,226
Order Status 1,512,323
Delivery 1,512,323
Stock Level 1,512,322
Customer Report 15,123,224
Calibration 2 New Order 14,543,619 1,494
Payment 14,543,619
Order Status 1,454,361
Delivery 1,454,362
Stock Level 1,454,363
Customer Report 14,543,622
Calibration 3 New Order 14,476,985 1,494
Payment 14,476,984
Order Status 1,447,699
Delivery 1,447,697
Stock Level 1,447,699
Customer Report 14,476,983
100% 99.6% New Order 14,452,188 1,494
Payment 14,452,195
Order Status 1,445,219
Delivery 1,445,218
Stock Level 1,445,220
Customer Report 14,452,189
90% 90.1% New Order 13,078,581 1,494
Payment 13,078,577
Order Status 1,307,858
Delivery 1,307,859
Stock Level 1,307,858
Customer Report 13,078,574
80% 79.7% New Order 11,562,164 1,494
Payment 11,562,167
Order Status 1,156,216
Delivery 1,156,216
Stock Level 1,156,216
Customer Report 11,562,166
70% 69.4% New Order 10,070,039 1,494
Payment 10,070,034
Order Status 1,007,003
Delivery 1,007,004
Stock Level 1,007,003
Customer Report 10,070,040
60% 59.7% New Order 8,666,165 1,494
Payment 8,666,170
Order Status 866,616
Delivery 866,617
Stock Level 866,618
Customer Report 8,666,166
50% 49.8% New Order 7,220,262 1,494
Payment 7,220,263
Order Status 722,027
Delivery 722,026
Stock Level 722,027
Customer Report 7,220,267
40% 40.3% New Order 5,853,929 1,494
Payment 5,853,925
Order Status 585,394
Delivery 585,394
Stock Level 585,395
Customer Report 5,853,935
30% 30.1% New Order 4,368,800 1,494
Payment 4,368,792
Order Status 436,881
Delivery 436,881
Stock Level 436,881
Customer Report 4,368,797
20% 20.0% New Order 2,898,056 1,494
Payment 2,898,045
Order Status 289,805
Delivery 289,804
Stock Level 289,806
Customer Report 2,898,054
10% 10.2% New Order 1,474,993 1,494
Payment 1,474,993
Order Status 147,499
Delivery 147,499
Stock Level 147,500
Customer Report 1,474,993
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0